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The quake had a moderate depth of 70 km (43 mi) and was not felt (or at least not reported so).Quake Data | Interactive map | Seismograms | User reports | Aftershocks | Earlier quakes here | Quakes in Japan | Chiba | Kanagawa | TokyoHint: Click on the image to see different maps of this quake!Moderate magnitude 4.1 earthquake at 70 km depth20 Jun 00:52 UTC: First to report: NIED after 6 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeJun 20, 2025 00:45:52 UTC - Local time at epicenterFriday, Jun 20, 2025, at 09:45 am (GMT +9)Statusconfirmed (manually revised)Magnitude4.1Depth70 kmEpicenter latitude / longitude34.745°N / 140.524°EChiba, JapanSeismic antipode34.745°S / 39.476°WShaking intensityII Very weak shakingFelt0 reportsPrimary data sourceNIED (National Research Institute for Earth Science and Disaster Resilience)Nearest volcanoOshima (103 km / 64 mi)Weather at epicenter at time of quakeClear Sky 23.5°C (74 F), humidity: 83%, wind: 4 m/s (8 kts) from EEstimated seismic energy released8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 tons of TNT) | equivalent to ONE quake of magnitude 4.1 | about seismic energy19 minutes ago reported feltJun 20, 2025 00:45 GMT / Jun 20, 2025 09:45 am (GMT +9)Lat / Lng: 34.745 / 140.524: Japan: SE Off Boso PeninsulaSource: NIEDOther sources: RaspberryShake: 4.2 / 60 kmDetail info | Read user reports | You felt it? - Report it!';storedMarkers.push(['quake-21881771',34.74500,140.52400,'19 minutes ago: Mag. 4.1, Japan: SE Off Boso Peninsula',html,'quakes-6-24.png',25,25,12,12,125]); function mkRep(id,notFelt){var nFelt=notFelt||false;var src="https://www.volcanoesandearthquakes.com/app/earthquake-report.php?quakeId="+id;if(nFelt==true){src+="¬Felt=true";}window.open(src,"","status=0,toolbar=0,location=0,directories=0,menubar=0,resizable=1,scrollbars=1,height=400,width=350");} function locationHashChanged(e){-1!=e.oldURL.indexOf("#popupMap")&&closePopup()} window.onhashchange = locationHashChanged; function comment(e){var t=e.parentNode,a=(t.dataset.id,document.getElementById("commentForm"));"none"==a.style.display?(t.appendChild(a),a.style.display="block"):a.style.display="none"}function sendComment(e){var t=e.parentNode,a=t.parentNode.dataset.id,n=document.getElementById("commentContent"),p=n.value.trim();if(p){var o="id="+a+"&quakeId="+thisQuakeId;o+="&comment="+decodeURIComponent(p),mkRequest("//reports.volcanodiscovery.com/app/eqReportComment.php","post",o,function(e){e.responseText;alert("Thank you for submitting your comment!"),t.style.display="none",n.value=""})}}function flagReport(e){var t=e.parentNode.dataset.id;if(confirm("Report this as inappropriate?")){var a="id="+t+"&quakeId="+thisQuakeId+"&flagAsInappropriate=1";mkRequest("//reports.volcanodiscovery.com/app/eqReportComment.php","post",a,function(t){var a=t.responseText;alert(a),e.style.display="none"})}}function likeReport(e){var t="id="+e.parentNode.dataset.id+"&quakeId="+thisQuakeId+"&like=1";mkRequest("//reports.volcanodiscovery.com/app/eqReportComment.php","post",t,function(t){t.responseText;e.style.opacity=.5})}]]>[smaller] [bigger]Most recent quakes Top 20 past 24 hrs Quakes in JapanNearby placesThe closest larger town where the quake might have been felt is Ichihara, a city with more than 280,000 inhabitants in Japan, in 95 km (59 mi) distance northwest of the epicenter. People likely experienced very weak shaking there. Many smaller towns and villages are located closer to the epicenter and might have experienced stronger shaking. In the capital of Japan, Tokyo, 129 km (80 mi) away from the epicenter, the earthquake was probably felt as very weak shaking.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry49 km (30 mi)NW of epicenterKatsuura(pop: 16,900)II: Very weakChibaJapan55 km (34 mi)N of epicenterIsumi(pop: 35,500)II: Very weakChibaJapan55 km (34 mi)NW of epicenterKamogawa(pop: 32,100)II: Very weakChibaJapan57 km (36 mi)N of epicenterOhara(pop: 20,200)II: Very weakIsumi Shi, ChibaJapan63 km (39 mi)NW of epicenterMinamiboso(pop: 35,800)II: Very weakMinamiboso Shi, ChibaJapan66 km (41 mi)NW of epicenterTateyama(pop: 50,100)II: Very weakChibaJapan66 km (41 mi)NW of epicenterOtaki(pop: 8,980)II: Very weakIsumi-gun, ChibaJapan71 km (44 mi)N of epicenterIchinomiya(pop: 12,500)II: Very weakChosei-gun, ChibaJapan76 km (48 mi)N of epicenterHongo(pop: 13,800)II: Very weakChosei-gun, ChibaJapan77 km (48 mi)NW of epicenterMotona(pop: 6,990)II: Very weakAwa-gun, ChibaJapan79 km (49 mi)N of epicenterMobara(pop: 88,300)II: Very weakChibaJapan87 km (54 mi)N of epicenterOamishirasato(pop: 48,100)II: Very weakOamishirasato-shi, ChibaJapan87 km (54 mi)NW of epicenterSodegaura(pop: 64,900)II: Very weakChibaJapan88 km (55 mi)N of epicenterOami(pop: 53,200)II: Very weakSambu-gun, ChibaJapan89 km (55 mi)NW of epicenterKisarazu(pop: 136,200)II: Very weakChibaJapan90 km (56 mi)NW of epicenterKimitsu(pop: 83,100)II: Very weakChibaJapan90 km (56 mi)NW of epicenterFuttsu(pop: 51,700)II: Very weakChibaJapan91 km (56 mi)N of epicenterTogane(pop: 66,300)II: Very weakTogane Shi, ChibaJapan92 km (57 mi)NW of epicenterKurihama(pop: 53,800)II: Very weakYokosuka Shi, KanagawaJapan93 km (58 mi)NW of epicenterMiura(pop: 51,500)II: Very weakKanagawaJapan95 km (59 mi)NW of epicenterIchihara(pop: 283,500)II: Very weakChibaJapan96 km (59 mi)N of epicenterNaruto(pop: 25,700)II: Very weakSanmu Shi, ChibaJapan98 km (61 mi)NW of epicenterYokosuka(pop: 409,500)II: Very weakKanagawaJapan99 km (61 mi)N of epicenterSanmu(pop: 48,400)II: Very weakChibaJapan102 km (63 mi)N of epicenterChiba(pop: 979,800)II: Very weakChibaJapan102 km (63 mi)N of epicenterChiba(pop: 979,800)II: Very weakChibaJapan102 km (64 mi)N of epicenterYachimata(pop: 68,800)II: Very weakChibaJapan106 km (66 mi)N of epicenterYotsukaido(pop: 95,300)II: Very weakYotsukaido Shi, ChibaJapan109 km (68 mi)N of epicenterAsahi(pop: 64,700)II: Very weakChibaJapan110 km (69 mi)NW of epicenterYokohama(pop: 3,761,600)II: Very weakKanagawaJapan111 km (69 mi)N of epicenterSakura(pop: 173,700)II: Very weakChibaJapan113 km (70 mi)NW of epicenterNarashino(pop: 176,200)II: Very weakChibaJapan116 km (72 mi)N of epicenterYachiyo(pop: 199,500)II: Very weakChibaJapan116 km (72 mi)NW of epicenterUrayasu(pop: 171,400)II: Very weakChibaJapan117 km (73 mi)N of epicenterNarita(pop: 132,900)II: Very weakChibaJapan123 km (77 mi)NW of epicenterKamagaya(pop: 109,900)II: Very weakChibaJapan126 km (78 mi)N of epicenterInzai(pop: 105,500)II: Very weakChibaJapan128 km (80 mi)NW of epicenterMatsudo(pop: 498,600)II: Very weakChibaJapan129 km (80 mi)NW of epicenterTokyo(pop: 8,336,600)II: Very weakTokyoJapan133 km (83 mi)N of epicenterAbiko(pop: 131,800)II: Very weakChibaJapanNotes:(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.User-reports for this quake (1)So far, we have received 1 report for this quake. This section is being updated as new data comes in.User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.Translate126.5 km NNW of epicenter [Map] / not felt (reported through our app)What is Intensity and the Mercalli Intensity Scale?The amount of shaking that occurs on the surface due to an earthquake is called the intensity. It is commonly measured on the so-called Modified Mercalli Intensity Scale (MMI) ranging from 1 (not felt) to 10 (extreme shaking), and given in Roman numerals as I,II,...IX, X, and often displayed with color codes ranging from light blue to dark red.Earthquake intensity depends mainly on the magnitude and depth of the quake as well as the distance from the epicenter: The further away, the less shaking intensity occurs.Read more about the MMI scale!Number of reports by intensityShaking intensityNumber of reportsMin-Max distance from epicenter (*)Average distance (*)I: Not felt1126–126 km (79–79 mi)126 km (79 mi)Notes(*) Reports are filtered to exclude those that are likely highly inaccurate or esaggerated.Only reports with latitude/longitude coordinate positions given (1 in total) could be used for geographic statistics.Compare Quake DataData for the same earthquake as reported by different agenciesThe more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.MagDepthTime GMT2025-06-20EpicenterAgency4.170 km43 mi00:45:52SE OFF BOSO PENINSULANIED (National Research Institute for Earth Science and Disaster Resilience)4.260 km37 mi00:46:00Near East Coast of Honshu, Japan6.5 km (4 mi) epicenter difference with NIEDRaspberryShake (RaspberryShake)"; HTMLcontent += ""; mainMap.addToMap("station"+id, lat, lon, title,HTMLcontent); mainMap.map.panTo([lat,lon]); document.getElementById("map_canvas").scrollIntoView();}]]>SeismogramsSeismic station: Ibaraki Yasato (JYT/JP network) | Distance from quake: 168 km / 104 mi | Show on map | Station InfoSeismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtoolShow moreAftershocks for this quakeNo aftershocks have been recorded so far. When aftershocks are detected, we will update this section.What are aftershocks?Larger earthquakes (above magnitude 5 or so) such as this one are usually followed by smaller ones known as aftershocks that occur in the same area during the days, weeks, months or even years after the main shock.[More info]What about this quake?Based on its magnitude, the fault that was active during the quake likely ruptured beneath a surface area of approximately 1 km2 (0 square miles) as a first-order estimate. The length of the rupture zone thus was probably around 2 km (1 mi).[More info]Recorded aftershocks, latest first (0 quake)Jun 20, 2025 09:45 am (GMT +9)19 minutes ago4.170 km0 km - This quakeNorth Pacific Ocean, 79 km S of Mobara, Chiba, JapanMain Shock (this quake)MoreMap of aftershocksEarthquake statisticsAverage number of earthquakesBased on data from the past 25 years and our earthquake archive back to 1900, there are about 943 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 7 or higher: 0.02 quakes per year (or 1 quake every 41.7 years)Mag. 6 or higher: 0.34 quakes per year (or 1 quake every 2.9 years)Mag. 5 or higher: 4.6 quakes per yearMag. 4 or higher: 32.5 quakes per year (or 2.7 quakes per month)Mag. 3 or higher: 74 quakes per year (or 6.2 quakes per month)Mag. 2 or higher: 252 quakes per year (or 21 quakes per month)Mag. 1 or higher: 819 quakes per year (or 68 quakes per month)The area where this quake occurred has a very high level of seismic activity. It has had at least 3 quakes above magnitude 7 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 40 to 45 years.Number of quakes per yearPrevious quakes in the same area of this earthquakeThe earthquake occurred 3 days after a magnitude 4.2 earthquake had hit on Tuesday, Jun 17, 2025, at 11:07 am (GMT +9 local time) in 43 km (27 mi) distance to the southwest:Mag. 4.2 earthquake North Pacific Ocean - Chiba, Japan - The largest quake near the epicenter of this quake during the 10 years before was an event of magnitude 6.1. It had occurred 2 years earlier, on Friday, May 26, 2023, at 07:03 pm (GMT +9 local time) in Chiba, Japan:Mag. 6.1 earthquake North Pacific Ocean - Chiba, Japan - May 26, 2023 - The strongest-ever (since 1900) recorded quake in this area measured magnitude 7.9. It had occurred 14 years ago earlier, on Friday, Mar 11, 2011, at 03:15 pm (GMT +9 local time) in North Pacific Ocean, Japan:Mag. 7.9 earthquake North Pacific Ocean - Ibaraki, Japan - Mar 11, 2011 - Below is a list and map of larger or recent quakes that had occurred near the epicenter before this earthquake (within up to 100 km/61 mi distance, up to 300 km/183 mi for very large quakes above mag. 7). Filter and sort the list by magnitude or time.Max results102050100AllMagnitudeAll2+3+4+5+6+7+8+Time before48 hours1 week30 days1 year5 years30 yearsAny ageDate and TimeMagDepthDistanceLocationDetailsMapJun 17, 11:07 am (GMT +9)4.2114 km43 km (27 mi) to the SWNorth Pacific Ocean, 64 km southeast of Tateyama, Chiba, Japan I FELT ITInfoMay 9, 12:17 pm (GMT +9)4.0102 km7.9 km (4.9 mi) to the SWNorth Pacific Ocean, 65 km southeast of Tateyama, Chiba, JapanInfoApr 20, 03:11 pm (GMT +9)4.588 km91 km (56 mi) to the NWChiba, 39 km southeast of Tokyo, Tokyo, Japan 31 reportsInfoMar 30, 10:18 am (GMT +9)4.768 km30 km (18 mi) to the SENorth Pacific Ocean, 94 km southeast of Tateyama, Chiba, Japan 3 reportsInfoMar 28, 03:50 am (GMT +9)4.652 km66 km (41 mi) to the N 14 km south of Mobara, Chiba, Japan 31 reportsInfoFeb 24, 04:07 am (GMT +9)4.786 km21 km (13 mi) to the WNorth Pacific Ocean, 47 km southeast of Tateyama, Chiba, Japan 30 reportsInfoMay 26, 2023 07:03 pm (GMT +9)6.142 km87 km (54 mi) to the N 12 km SE of Narutō, Japan 259 reportsInfoOct 7, 2021 10:41 pm (GMT +9)5.963 km88 km (55 mi) to the NW 14 km south of Chiba, Chiba, Japan 326 reportsInfoJul 7, 2018 08:23 pm (GMT +9)5.850 km33 km (21 mi) to the N Near East Coast of Honshu, Japan 66 reportsInfoSep 23, 2016 12:14 am (Universal Time)6.110 km75 km (47 mi) to the Enear Magnitude 6.2, Near of Tokyo 1 reportInfoJun 6, 2012 04:31 am (GMT +9)6.115 km60 km (37 mi) to the ENorth Pacific Ocean, 97 km southeast of Togane, Chiba, JapanInfoApr 21, 2011 10:37 pm (GMT +9)6.243 km95 km (59 mi) to the N 6 km WNW of T?gane, JapanInfoApr 12, 2011 08:08 am (GMT +9)6.215 km75 km (47 mi) to the N 23 km SE of T?gane, JapanInfoMar 11, 2011 03:15 pm (GMT +9)7.943 km179 km (111 mi) to the NNorth Pacific Ocean, 60 km east of Mito, Ibaraki, JapanInfoJul 23, 2005 04:34 pm (GMT +9)5.961 km97 km (60 mi) to the NWNorth Pacific Ocean, Chiba, 34 km southeast of Tokyo, Tokyo, JapanInfoApr 11, 2005 07:22 am (GMT +9)5.943 km96 km (60 mi) to the N Near The East Coast of Honshu, JapanInfoMay 30, 2004 05:56 am (GMT +9)6.516 km98 km (61 mi) to the SENorth Pacific Ocean, 196 km northeast of Hachijo Jima Island, Tokyo, JapanInfoOct 2, 2001 10:01 am (GMT +9)5.933 km85 km (53 mi) to the ENorth Pacific Ocean, 202 km southeast of Tokyo, Tokyo, JapanInfoJun 3, 2000 05:54 pm (GMT +9)6.262 km90 km (56 mi) to the N 6 km SE of Narut?, JapanInfoNov 20, 1996 11:27 am (GMT +9)6.133 km71 km (44 mi) to the SENorth Pacific Ocean, 185 km northeast of Hachijo Jima Island, Tokyo, JapanInfoSep 11, 1996 11:37 am (GMT +9)6.255 km96 km (60 mi) to the NE 23 km SSE of Hasaki, JapanInfoJun 1, 1990 10:22 am (GMT +9)6.367 km88 km (55 mi) to the N Near The East Coast of Honshu, JapanInfoMar 6, 1989 11:39 pm (GMT +9)6.142 km89 km (55 mi) to the N 7 km east of Togane, Chiba, JapanInfoDec 17, 1987 11:08 am (GMT +9)6.763 km74 km (46 mi) to the NW 10.3 km southwest of Mobara, Chiba, JapanInfoNov 22, 1986 09:41 am (GMT +9)6.09 km98 km (61 mi) to the WNorth Pacific Ocean, Tokyo, 71 km southeast of Ito, Shizuoka, JapanInfoJun 24, 1986 11:53 am (GMT +9)6.663 km8.5 km (5.3 mi) to the NENorth Pacific Ocean, 100 km southeast of Chiba, Chiba, JapanInfoApr 9, 1985 02:15 pm (GMT +9)6.244 km75 km (46 mi) to the SNorth Pacific Ocean, 139 km northeast of Hachijo Jima Island, Tokyo, JapanInfoJul 23, 1982 11:23 pm (GMT +9)7.137 km193 km (120 mi) to the NE 93 km ENE of Hasaki, JapanInfoSep 25, 1980 02:54 am (GMT +9)6.073 km94 km (58 mi) to the NW 7 km NNE of Kisarazu, JapanInfoApr 7, 1978 08:29 am (GMT +9)5.931 km70 km (43 mi) to the NENorth Pacific Ocean, 93 km southeast of Chiba, Chiba, JapanInfoDec 4, 1972 07:16 pm (GMT +9)7.455 km156 km (97 mi) to the SNorth Pacific Ocean, 100 km east of Hachijo Jima Island, Tokyo, JapanInfoFeb 29, 1972 06:23 pm (GMT +9)7.160 km148 km (92 mi) to the SNorth Pacific Ocean, 112 km east of Hachijo Jima Island, Tokyo, JapanInfoNov 26, 1953 02:48 am (GMT +9)7.925 km130 km (81 mi) to the SENorth Pacific Ocean, 197 km northeast of Hachijo Jima Island, Tokyo, JapanInfoNov 6, 1938 09:38 pm (Universal Time)7.625 km308 km (191 mi) to the NENorth Pacific Ocean, Fukushima, 290 km northeast of Tokyo, Tokyo, JapanInfoNov 5, 1938 10:50 am (Universal Time)7.735 km309 km (192 mi) to the NENorth Pacific Ocean, 121 km east of Iwaki, Fukushima, JapanInfoNov 5, 1938 08:43 am (Universal Time)7.835 km284 km (176 mi) to the NENorth Pacific Ocean, 105 km east of Iwaki, Fukushima, JapanInfoMay 23, 1938 07:18 am (Universal Time)7.715 km216 km (134 mi) to the NNorth Pacific Ocean, 93 km east of Mito, Ibaraki, JapanInfoNov 10, 1930 10:35 pm (GMT +9)7.730 km202 km (126 mi) to the NNorth Pacific Ocean, 85 km east of Mito, Ibaraki, JapanInfoAug 18, 1927 07:27 pm (Universal Time)7.020 km91 km (56 mi) to the E 125 km ESE of Katsuura, JapanInfoSep 2, 1923 09:26 am (Universal Time)6.635 km69 km (43 mi) to the N 9 km SSE of Mobara, JapanInfoSep 2, 1923 02:46 am (Universal Time)7.815 km61 km (38 mi) to the NW 5 km E of Tateyama, JapanInfoSep 1, 1923 05:22 am (Universal Time)6.70 km98 km (61 mi) to the WNorth Pacific Ocean, 35 km south of Kamakura, Kanagawa, JapanInfoSep 1, 1923 03:48 am (Universal Time)7.00 km98 km (61 mi) to the W Near South Coast of Eastern HonshuInfoSep 1, 1923 03:39 am (Universal Time)6.60 km98 km (61 mi) to the W Near South Coast of Eastern HonshuInfoSep 1, 1923 03:24 am (Universal Time)6.60 km98 km (61 mi) to the W Near South Coast of Eastern HonshuInfoSep 1, 1923 02:58 am (Universal Time)7.915 km123 km (76 mi) to the NW 14 km south of Isehara, Kanagawa, JapanInfoApr 21, 1916 08:31 pm (GMT +9)7.80 km199 km (124 mi) to the SNorth Pacific Ocean, 113 km east of Hachijo Jima Island, Tokyo, JapanInfoMar 13, 1909 08:19 am (GMT +9)6.70 km93 km (58 mi) to the ENorth Pacific Ocean, 211 km southeast of Tokyo, Tokyo, JapanInfoMap of earlier quakes in the area of this quakeMax results102050100AllMagnitudeAll2+3+4+5+6+7+8+Time before48 hours1 week30 days1 year5 years30 yearsAny ageOldest quakes are shown in yellow, most recent in red.[quakes -][quakes +][smaller][bigger]19 minutes ago reported feltJun 20, 2025 00:45 GMT / Jun 20, 2025 09:45 am (GMT +9)Lat / Lng: 34.745 / 140.524: Japan: SE Off Boso PeninsulaSource: NIEDOther sources: RaspberryShake: 4.2 / 60 kmDetail info | Read user reports | You felt it? - Report it!',4.1,41, '#bb202a', 0.9,1.5, '#bb202a', 0.27);map2.addToMap('thisQuake',34.745,140.524,'19 minutes ago: Mag. 4.1, Japan: SE Off Boso Peninsula','Earthquake: Mag 4.1 / 70 km (43 mi) depth19 minutes ago reported feltJun 20, 2025 00:45 GMT / Jun 20, 2025 09:45 am (GMT +9)Lat / Lng: 34.745 / 140.524: Japan: SE Off Boso PeninsulaSource: NIEDOther sources: RaspberryShake: 4.2 / 60 kmDetail info | Read user reports | You felt it? - Report it!','default'); // this will be local to this table obj function putQuakeOnMap(id,lat,lon,time,title,html,mag,zIndex) { qTableOlder.putQuakeOnMap(id,lat,lon,time,title,html,mag,zIndex); } map2.circleScale=0.5;qTableOlder.usePalette=1;qTableOlder.startVal=qTableOlder.referenceTime-(80*365.25*86400);qTableOlder.endVal=qTableOlder.referenceTime; qTableOlder.assignMap(map2); qTableOlder.quakeIds.push(8907220);putQuakeOnMap('quake-8907220',34.5,141.5,-1918860060,'Mar 13, 1909 08:19 am (GMT +9): Mag. 6.7, Choshi','',6.7,67);qTableOlder.quakeIds.push(8906657);putQuakeOnMap('quake-8906657',33,141,-1694521740,'Apr 21, 1916 08:31 pm (GMT +9): Mag. 7.8, Japan: Off East Coast Honshu','',7.8,78);qTableOlder.quakeIds.push(2930535);putQuakeOnMap('quake-2930535',35.274,139.344,-1462222885,'Sep 1, 1923 02:58 am (Universal Time): Mag. 7.9, 5 km SSE of ?iso, Japan','',7.9,79);qTableOlder.quakeIds.push(11524568);putQuakeOnMap('quake-11524568',35,139.5,-1462221340,'Sep 1, 1923 03:24 am (Universal Time): Mag. 6.6, Near South Coast of Eastern Honshu','',6.6,66);qTableOlder.quakeIds.push(11524567);putQuakeOnMap('quake-11524567',35,139.5,-1462220430,'Sep 1, 1923 03:39 am (Universal Time): Mag. 6.6, Near South Coast of Eastern Honshu','',6.6,66);qTableOlder.quakeIds.push(11524564);putQuakeOnMap('quake-11524564',35,139.5,-1462219905,'Sep 1, 1923 03:48 am (Universal Time): Mag. 7.0, Near South Coast of Eastern Honshu','',7.0,70);qTableOlder.quakeIds.push(11524566);putQuakeOnMap('quake-11524566',35,139.5,-1462214250,'Sep 1, 1923 05:22 am (Universal Time): Mag. 6.7, Near South Coast of Eastern Honshu','',6.7,67);qTableOlder.quakeIds.push(2930537);putQuakeOnMap('quake-2930537',34.985,139.928,-1462137199,'Sep 2, 1923 02:46 am (Universal Time): Mag. 7.8, 5 km E of Tateyama, Japan','',7.8,78);qTableOlder.quakeIds.push(8916274);putQuakeOnMap('quake-8916274',35.352,140.355,-1462113182,'Sep 2, 1923 09:26 am (Universal Time): Mag. 6.6, 9 km SSE of Mobara, Japan','',6.6,66);qTableOlder.quakeIds.push(2930799);putQuakeOnMap('quake-2930799',34.552,141.489,-1337142725,'Aug 18, 1927 07:27 pm (Universal Time): Mag. 7.0, 125 km ESE of Katsuura, Japan','',7.0,70);qTableOlder.quakeIds.push(2931047);putQuakeOnMap('quake-2931047',36.417,141.4,-1235211874,'Nov 10, 1930 10:35 pm (GMT +9): Mag. 7.7, near the east coast of Honshu, Japan','',7.7,77);qTableOlder.quakeIds.push(2935731);putQuakeOnMap('quake-2935731',36.534,141.459,-997548090,'May 23, 1938 07:18 am (Universal Time): Mag. 7.7, 69 km ESE of Kitaibaraki, Japan','',7.7,77);qTableOlder.quakeIds.push(2935942);putQuakeOnMap('quake-2935942',36.971,142.065,-983200596,'Nov 5, 1938 08:43 am (Universal Time): Mag. 7.8, 105 km E of Iwaki, Japan','',7.8,78);qTableOlder.quakeIds.push(2935943);putQuakeOnMap('quake-2935943',37.147,142.241,-983192982,'Nov 5, 1938 10:50 am (Universal Time): Mag. 7.7, 116 km ESE of Namie, Japan','',7.7,77);qTableOlder.quakeIds.push(2935945);putQuakeOnMap('quake-2935945',37.009,142.485,-983067673,'Nov 6, 1938 09:38 pm (Universal Time): Mag. 7.6, 141 km ESE of Namie, Japan','',7.6,76);qTableOlder.quakeIds.push(2944089);putQuakeOnMap('quake-2944089',34.006,141.625,-508054265,'Nov 26, 1953 02:48 am (GMT +9): Mag. 7.9, 174 km SE of Katsuura, Japan','',7.9,79);qTableOlder.quakeIds.push(3003437);putQuakeOnMap('quake-3003437',33.453,140.929,68203381,'Feb 29, 1972 06:23 pm (GMT +9): Mag. 7.1, Izu Islands, Japan region','',7.1,71);qTableOlder.quakeIds.push(3007980);putQuakeOnMap('quake-3007980',33.362,140.827,92312172,'Dec 4, 1972 07:16 pm (GMT +9): Mag. 7.4, Izu Islands, Japan region','',7.4,74);qTableOlder.quakeIds.push(3039106);putQuakeOnMap('quake-3039106',35.212,141.031,260753392,'Apr 7, 1978 08:29 am (GMT +9): Mag. 5.9, 58 km E of ?hara, Japan','',5.9,59);qTableOlder.quakeIds.push(3045701);putQuakeOnMap('quake-3045701',35.45,139.964,338666064,'Sep 25, 1980 02:54 am (GMT +9): Mag. 6.0, 7 km NNE of Kisarazu, Japan','',6.0,60);qTableOlder.quakeIds.push(3048801);putQuakeOnMap('quake-3048801',36.194,141.702,396282233,'Jul 23, 1982 11:23 pm (GMT +9): Mag. 7.1, 93 km ENE of Hasaki, Japan','',7.1,71);qTableOlder.quakeIds.push(3057230);putQuakeOnMap('quake-3057230',34.092,140.719,481871735,'Apr 9, 1985 02:15 pm (GMT +9): Mag. 6.2, 122 km SSE of Katsuura, Japan','',6.2,62);qTableOlder.quakeIds.push(3059915);putQuakeOnMap('quake-3059915',34.794,140.595,519965591,'Jun 24, 1986 11:53 am (GMT +9): Mag. 6.6, 46 km SSE of Katsuura, Japan','',6.6,66);qTableOlder.quakeIds.push(3061532);putQuakeOnMap('quake-3061532',34.438,139.52,533004102,'Nov 22, 1986 09:41 am (GMT +9): Mag. 6.0, 59 km ESE of Shimoda, Japan','',6.0,60);qTableOlder.quakeIds.push(3064499);putQuakeOnMap('quake-3064499',35.362,140.214,566705299,'Dec 17, 1987 11:08 am (GMT +9): Mag. 6.7, 10 km SW of Mobara, Japan','',6.7,67);qTableOlder.quakeIds.push(3066568);putQuakeOnMap('quake-3066568',35.545,140.444,605198382,'Mar 6, 1989 11:39 pm (GMT +9): Mag. 6.1, 6 km SSE of Narut?, Japan','',6.1,61);qTableOlder.quakeIds.push(3068759);putQuakeOnMap('quake-3068759',35.522,140.339,644203331,'Jun 1, 1990 10:22 am (GMT +9): Mag. 6.3, Near The East Coast of Honshu, Japan','',6.3,63);qTableOlder.quakeIds.push(3082582);putQuakeOnMap('quake-3082582',35.537,140.943,842409434,'Sep 11, 1996 11:37 am (GMT +9): Mag. 6.2, 23 km SSE of Hasaki, Japan','',6.2,62);qTableOlder.quakeIds.push(3083636);putQuakeOnMap('quake-3083636',34.35,141.132,848456867,'Nov 20, 1996 11:27 am (GMT +9): Mag. 6.1, 115 km SE of Katsuura, Japan','',6.1,61);qTableOlder.quakeIds.push(3094953);putQuakeOnMap('quake-3094953',35.552,140.464,960022489,'Jun 3, 2000 05:54 pm (GMT +9): Mag. 6.2, 6 km SE of Narut?, Japan','',6.2,62);qTableOlder.quakeIds.push(3100385);putQuakeOnMap('quake-3100385',34.548,141.417,1001984494,'Oct 2, 2001 10:01 am (GMT +9): Mag. 5.9, 120 km ESE of Katsuura, Japan','',5.9,59);qTableOlder.quakeIds.push(3110520);putQuakeOnMap('quake-3110520',34.251,141.406,1085864169,'May 30, 2004 05:56 am (GMT +9): Mag. 6.5, 140 km SE of Katsuura, Japan','',6.5,65);qTableOlder.quakeIds.push(3137648);putQuakeOnMap('quake-3137648',35.604,140.401,1113171735,'Apr 11, 2005 07:22 am (GMT +9): Mag. 5.9, Near The East Coast of Honshu, Japan','',5.9,59);qTableOlder.quakeIds.push(3140145);putQuakeOnMap('quake-3140145',35.498,139.982,1122104096,'Jul 23, 2005 04:34 pm (GMT +9): Mag. 5.9, 9 km WSW of Ichihara, Japan','',5.9,59);qTableOlder.quakeIds.push(3231692);putQuakeOnMap('quake-3231692',36.281,141.111,1299824140,'Mar 11, 2011 03:15 pm (GMT +9): Mag. 7.9, 47 km E of ?arai, Japan','',7.9,79);qTableOlder.quakeIds.push(3267733);putQuakeOnMap('quake-3267733',35.417,140.575,1302563296,'Apr 12, 2011 08:08 am (GMT +9): Mag. 6.2, 23 km SE of T?gane, Japan','',6.2,62);qTableOlder.quakeIds.push(3276246);putQuakeOnMap('quake-3276246',35.579,140.305,1303393023,'Apr 21, 2011 10:37 pm (GMT +9): Mag. 6.2, 6 km WNW of T?gane, Japan','',6.2,62);qTableOlder.quakeIds.push(3118374);putQuakeOnMap('quake-3118374',34.943,141.132,1338924693,'Jun 6, 2012 04:31 am (GMT +9): Mag. 6.1, 75 km ESE of ?hara, Japan','',6.1,61);qTableOlder.quakeIds.push(1421952);putQuakeOnMap('quake-1421952',34.64509,141.33994,1474589677,'Sep 23, 2016 12:14 am (Universal Time): Mag. 6.1, near Magnitude 6.2, Near of Tokyo','',6.1,61);qTableOlder.quakeIds.push(2062495);putQuakeOnMap('quake-2062495',35.036,140.598,1530962630,'Jul 7, 2018 08:23 pm (GMT +9): Mag. 5.8, Near East Coast of Honshu, Japan','',5.8,58);qTableOlder.quakeIds.push(6440072);putQuakeOnMap('quake-6440072',35.477,140.155,1633614084,'Oct 7, 2021 10:41 pm (GMT +9): Mag. 5.9, Near East Coast of Honshu, Japan','',5.9,59);qTableOlder.quakeIds.push(7637343);putQuakeOnMap('quake-7637343',35.5294,140.5281,1685095404,'May 26, 2023 07:03 pm (GMT +9): Mag. 6.1, 12 km SE of Narutō, Japan','',6.1,61);qTableOlder.quakeIds.push(21383791);putQuakeOnMap('quake-21383791',34.7511,140.2946,1740337672,'Feb 24, 2025 04:07 am (GMT +9): Mag. 4.7, 40 km SE of Wada, Japan','',4.7,47);qTableOlder.quakeIds.push(21612755);putQuakeOnMap('quake-21612755',35.3045,140.2951,1743101440,'Mar 28, 2025 03:50 am (GMT +9): Mag. 4.6, 5 km ENE of Ōtaki, Japan','',4.6,46);qTableOlder.quakeIds.push(21620583);putQuakeOnMap('quake-21620583',34.5745,140.7729,1743297511,'Mar 30, 2025 10:18 am (GMT +9): Mag. 4.7, 75 km SSE of Katsuura, Japan','',4.7,47);qTableOlder.quakeIds.push(21691984);putQuakeOnMap('quake-21691984',35.437,139.9978,1745129467,'Apr 20, 2025 03:11 pm (GMT +9): Mag. 4.5, 8 km NE of Kisarazu, Japan','',4.5,45);qTableOlder.quakeIds.push(21751491);putQuakeOnMap('quake-21751491',34.685,140.477,1746760659,'May 9, 2025 12:17 pm (GMT +9): Mag. 4.0, Japan: SE Off Boso Peninsula','',4.0,40);qTableOlder.quakeIds.push(21872673);putQuakeOnMap('quake-21872673',34.4738,140.1843,1750126042,'###AGEREP###: Mag. 4.2, 63 km SSE of Tateyama, Japan','',4.2,42);(async function(){await new Promise(r => setTimeout(r,4000));map2.map.setZoom(7)})(); })(); ]]>Sources: 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