Moderate mag. 4.5 earthquake - 40 km southwest of Castro, Chiloe, Region de los Lagos, Chile, on Friday, Jun 6, 2025, at 10:34 pm (GMT -4)

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The quake had a very shallow depth of 18 km (11 mi) and was reported felt by some people near the epicenter.Quake Data | Interactive map | Seismograms | User reports | Aftershocks | Earlier quakes here | Quakes in Chile | Quakes in Argentina | Region de los Lagos | Chubut Province | Rio Negro ProvinceHint: Click on the image to see different maps of this quake!Moderate magnitude 4.5 earthquake at 18 km depth7 Jun 02:38 UTC: First to report: VolcanoDiscovery after 3 minutes.7 Jun 02:40: Now using data updates from CSNI didn't feel itI felt this quakeEarthquake detailsDate & timeJun 7, 2025 02:34:58 UTC - Local time at epicenterSaturday, Jun 7, 2025, at 02:34 am (Universal Time GMT +0)Statuspreliminary (automatic detection)Magnitude4.5Depth18 kmEpicenter latitude / longitude42.662°S / 74.183°WChiloé, Region de los Lagos, ChileSeismic antipode42.662°N / 105.817°EShaking intensityIV Light shaking near epicenterFelt2 reportsPrimary data sourceCSN (National Seismological Center (Centro Sismológico Nacional))Nearest volcanoChaitén (127 km / 79 mi)Weather at epicenter at time of quakeOvercast Clouds 5°C (41 F), humidity: 97%, wind: 1 m/s (1 kts) from NNEEstimated seismic energy released3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 tons of TNT) | equivalent to ONE quake of magnitude 4.5 | about seismic energy6 minutes ago reported feltJun 7, 2025 02:34 GMT / Jun 7, 2025 02:34 am (Universal Time)Lat / Lng: -42.662 / -74.183: Chile: 40 km Al SO De CastroSource: CSNDetail info | Read user reports | You felt it? - Report it!';storedMarkers.push(['quake-21841766',-42.66200,-74.18300,'6 minutes ago: Mag. 4.5, Chile: 40 km Al SO De Castro',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+="&notFelt=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 ChileNearby placesThe closest larger town where the quake might have been felt is Castro, a town with 30,000 inhabitants in Chile, in 40 km (25 mi) distance northeast of the epicenter. People likely experienced weak shaking there. Several smaller towns and villages are located closer to the epicenter and might have experienced stronger shaking.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry34 km (21 mi)E of epicenterChonchi(pop: 12,600)III: WeakChiloe, Region de los LagosChile40 km (25 mi)NE of epicenterCastro(pop: 29,900)III: WeakChiloe, Region de los LagosChile54 km (34 mi)NE of epicenterDalcahue(pop: 13,100)III: WeakChiloe, Region de los LagosChile69 km (43 mi)SE of epicenterQuellon(pop: 21,800)III: WeakChiloe, Region de los LagosChile93 km (58 mi)N of epicenterAncud(pop: 28,000)III: WeakChiloe, Region de los LagosChile124 km (77 mi)E of epicenterChaiten(pop: 4,070)II: Very weakPalena, Region de los LagosChile132 km (82 mi)NE of epicenterCalbuco(pop: 12,500)II: Very weakLlanquihue, Region de los LagosChile168 km (104 mi)NE of epicenterPuerto Montt(pop: 245,900)II: Very weakLlanquihue, Region de los LagosChile179 km (111 mi)NE of epicenterPuerto Varas(pop: 25,000)II: Very weakLlanquihue, Region de los LagosChile197 km (123 mi)E of epicenterFutaleufu(pop: 1,830)II: Very weakPalena, Region de los LagosChile211 km (131 mi)NE of epicenterEnsenada(pop: 1,300)II: Very weakLlanquihue, Region de los LagosChile212 km (132 mi)NE of epicenterPurranque(pop: 13,600)II: Very weakOsorno, Region de los LagosChile220 km (137 mi)SE of epicenterPalena(pop: 1,690)II: Very weakRegion de los LagosChile222 km (138 mi)E of epicenterLago Puelo(pop: 4,050)II: Very weakDepartamento de Cushamen, Chubut ProvinceArgentina227 km (141 mi)E of epicenterTrevelin(pop: 6,400)II: Very weakDepartamento de Futaleufu, Chubut ProvinceArgentina231 km (144 mi)E of epicenterEl Bolson(pop: 15,500)II: Very weakBariloche, Rio Negro ProvinceArgentina235 km (146 mi)E of epicenterEsquel(pop: 28,500)II: Very weakDepartamento de Futaleufu, Chubut ProvinceArgentina248 km (154 mi)N of epicenterOsorno(pop: 135,800)II: Very weakRegion de los LagosChile257 km (160 mi)E of epicenterEl Maiten(pop: 3,780)II: Very weakDepartamento de Cushamen, Chubut ProvinceArgentina259 km (161 mi)NE of epicenterPuyehue(pop: 3,930)II: Very weakRanco, Region de los RiosChile261 km (162 mi)SE of epicenterPuerto Cisnes(pop: 2,510)II: Very weakAisen, Region AysenChile278 km (173 mi)N of epicenterRio Bueno(pop: 15,500)II: Very weakRanco, Region de los RiosChile279 km (173 mi)N of epicenterLa Union(pop: 26,300)II: Very weakRanco, Region de los RiosChile281 km (175 mi)NE of epicenterVilla Catedral(pop: 150)II: Very weakBariloche, Rio Negro ProvinceArgentina283 km (176 mi)SE of epicenterRio Pico(pop: 1,390)II: Very weakDepartamento de Tehuelches, Chubut ProvinceArgentina292 km (181 mi)NE of epicenterBariloche(pop: 95,400)II: Very weakRio Negro ProvinceArgentina298 km (185 mi)NE of epicenterVilla La Angostura(pop: 7,530)II: Very weakLos Lagos, Neuquen ProvinceArgentina308 km (191 mi)NE of epicenterSanta Rosa(pop: 1000)II: Very weakValdivia, Region de los RiosChile315 km (196 mi)N of epicenterCorral(pop: 3,500)II: Very weakValdivia, Region de los RiosChile326 km (203 mi)N of epicenterValdivia(pop: 133,400)II: Very weakRegion de los RiosChile327 km (203 mi)S of epicenterPuerto Aysen(pop: 16,900)I: Not feltAisen, Region AysenChile327 km (203 mi)N of epicenterLas Animas(pop: 30,000)I: Not feltValdivia, Region de los RiosChile328 km (204 mi)SE of epicenterGobernador Costa(pop: 2,190)I: Not feltDepartamento de Tehuelches, Chubut ProvinceArgentina331 km (205 mi)S of epicenterPuerto Chacabuco(pop: 1,240)I: Not feltAisen, Region AysenChile334 km (207 mi)NE of epicenterPilcaniyeu(pop: 1,470)I: Not feltRio Negro ProvinceArgentina338 km (210 mi)SE of epicenterJose de San Martin(pop: 1,450)I: Not feltDepartamento de Tehuelches, Chubut ProvinceArgentina365 km (227 mi)NE of epicenterSan Martin de los Andes(pop: 23,500)I: Not feltDepartamento de Lacar, Neuquen ProvinceArgentina372 km (231 mi)NE of epicenterComallo(pop: 1,310)I: Not feltPilcaniyeu, Rio Negro ProvinceArgentina378 km (235 mi)SE of epicenterAlto Rio Senguer(pop: 1,700)I: Not feltDepartamento de Rio Senguerr, Chubut ProvinceArgentina398 km (247 mi)NE of epicenterJunin de los Andes(pop: 10,600)I: Not feltHuiliches, Neuquen ProvinceArgentinaNotes:(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.User-reports for this quake (2)The first report about ground shaking reached us after only 3 minutes, before other agencies reported it. So far, we have received 2 reports 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.Contribute:Leave a comment if you find a particular report interesting or want to add to it.Flag as inappropriate.Mark as helpful or interesting.Send your own user report!Translate148 km NE of epicenter [Map] / Weak shaking (MMI III) : Was on bed, suddenly all started shaking, a slight movement in my house was felt, it hasn't stopped at all   33 km E of epicenter [Map] / Weak shaking (MMI III) (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 (*)III: Weak shaking233–148 km (20–92 mi)90 km (56 mi)Notes(*) Reports are filtered to exclude those that are likely highly inaccurate or esaggerated.Only reports with latitude/longitude coordinate positions given (2 in total) could be used for geographic statistics.I didn't feel itI felt this quakeIf you were near the epicenter and felt it, please share your experience and submit a short "I felt it" report! Other users would love to hear about it!If you did NOT feel the quake although you were in the area, please report it as well! Your contribution is valuable to earthquake science and seismic hazard analysis.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 GMT2025-06-7EpicenterAgency4.518 km11 mi02:34:5840 km al SO de CastroCSN (National Seismological Center (Centro Sismológico Nacional))"; HTMLcontent += ""; mainMap.addToMap("station"+id, lat, lon, title,HTMLcontent); mainMap.map.panTo([lat,lon]); document.getElementById("map_canvas").scrollIntoView();}]]>SeismogramsSeismic station: Hotel Espejo de Luna (LL07/C1 network) | Distance from quake: 61 km / 38 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 3 km2 (1 square miles) as a first-order estimate. The length of the rupture zone thus was probably around 3 km (2 mi).[More info]Recorded aftershocks, latest first (0 quake)Jun 7, 2025 02:34 am (Universal Time)6 minutes ago - felt4.518 km0 km - This quakeChile: 40 km Al SO De CastroMain Shock (this quake)MoreMap of aftershocksEarthquake statisticsAverage number of earthquakesBased on data from the past 55 years and our earthquake archive back to 1900, there are about 24.3 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 6 or higher: 0.02 quakes per year (or 1 quake every 41.7 years)Mag. 5 or higher: 0.25 quakes per year (or 1 quake every 3.9 years)Mag. 4 or higher: 3.1 quakes per yearMag. 3 or higher: 13.5 quakes per yearMag. 2 or higher: 24.6 quakes per yearThe area where this quake occurred has a high level of seismic activity. It has had at least 3 quakes above magnitude 6 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 earthquake