Light mag. 3.9 earthquake (unconfirmed) - 30 km south of Chiayi City, Taiwan, on Friday, Sep 12, 2025, at 03:28 am (GMT +8)

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(Unconfirmed) Light magnitude 3.9 earthquake at 16 km depth11 Sep 19:34 UTC: First to report: RaspberryShake after 6 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeSep 11, 2025 19:28:10 UTC - Local time at epicenterThursday, Sep 11, 2025, at 07:28 pm (Universal Time GMT +0)Statusunconfirmed (automatic detection)Magnitude3.9Depth16.1 kmEpicenter latitude / longitude23.22°N / 120.54°ETaiwanSeismic antipode23.22°S / 59.46°WShaking intensityIII Weak shaking near epicenterFelt0 reportsPrimary data sourceRaspberryShake (RaspberryShake)Nearest volcanoUnnamed 24.00°N/121.83°E (158 km / 98 mi)Estimated seismic energy released4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 tons of TNT) | equivalent to ONE quake of magnitude 3.9 | about seismic energy6 minutes agoSep 11, 2025 19:28 GMT / Sep 11, 2025 07:28 pm (Universal Time)Lat / Lng: 23.22 / 120.54: TaiwanSource: RaspberryShakeDetail info | You felt it? - Report it!';storedMarkers.push(['quake-22157555',23.22000,120.54000,'6 minutes ago: Mag. 3.9, Taiwan',html,'quakes-5-24.png',18,18,9,9,124]); 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 TaiwanNearby placesThe closest larger town where the quake might have been felt is Tainan, a city with more than 770,000 inhabitants in Taiwan, in 42 km (26 mi) distance southwest 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. In the capital of  Taiwan, Taipei, 227 km (141 mi) away from the epicenter, the earthquake could not be felt.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry13 km (8 mi)SW of epicenterYujing(pop: 16,600)III: WeakTainan, TaiwanTaiwan30 km (19 mi)N of epicenterChiayi City(pop: 263,200)III: WeakChiayi, TaiwanTaiwan34 km (21 mi)NW of epicenterTaibao(pop: 39,900)III: WeakChiyayi County, TaiwanTaiwan36 km (23 mi)SW of epicenterYongkang(pop: 233,700)III: WeakTainan, TaiwanTaiwan42 km (26 mi)SW of epicenterTainan(pop: 771,200)III: WeakTaiwanTaiwan42 km (26 mi)NW of epicenterBudai(pop: 19,300)III: WeakChiyayi County, TaiwanTaiwan46 km (29 mi)NW of epicenterBeigang(pop: 33,300)III: WeakYunlin, TaiwanTaiwan48 km (30 mi)NW of epicenterDongshi(pop: 15,000)III: WeakChiyayi County, TaiwanTaiwan54 km (34 mi)N of epicenterDouliu(pop: 104,700)II: Very weakYunlin, TaiwanTaiwan60 km (37 mi)N of epicenterCitong(pop: 25,000)II: Very weakYunlin, TaiwanTaiwan61 km (38 mi)N of epicenterLinnei(pop: 16,900)II: Very weakYunlin, TaiwanTaiwan61 km (38 mi)N of epicenterZhushan(pop: 44,100)II: Very weakNantou, TaiwanTaiwan62 km (39 mi)N of epicenterLugu(pop: 17,700)II: Very weakNantou, TaiwanTaiwan65 km (40 mi)N of epicenterXiluo(pop: 37,200)II: Very weakYunlin, TaiwanTaiwan66 km (41 mi)N of epicenterErshui(pop: 14,100)II: Very weakChanghua, TaiwanTaiwan71 km (44 mi)N of epicenterTianzhong(pop: 34,900)II: Very weakChanghua, TaiwanTaiwan73 km (45 mi)N of epicenterBeidou(pop: 33,300)II: Very weakChanghua, TaiwanTaiwan75 km (46 mi)S of epicenterChaozhou(pop: 55,100)II: Very weakPingtung, TaiwanTaiwan75 km (47 mi)N of epicenterTianwei(pop: 26,100)II: Very weakChanghua, TaiwanTaiwan75 km (47 mi)N of epicenterPitou(pop: 29,300)II: Very weakChanghua, TaiwanTaiwan76 km (47 mi)N of epicenterShetou(pop: 36,600)II: Very weakChanghua, TaiwanTaiwan78 km (48 mi)N of epicenterErlin(pop: 43,700)II: Very weakChanghua, TaiwanTaiwan78 km (48 mi)N of epicenterYongjing(pop: 35,400)II: Very weakChanghua, TaiwanTaiwan78 km (49 mi)N of epicenterNantou(pop: 105,700)II: Very weakTaiwanTaiwan80 km (50 mi)SE of epicenterTaitung(pop: 103,300)II: Very weakTaiwanTaiwan82 km (51 mi)N of epicenterYuanlin(pop: 124,700)II: Very weakChanghua, TaiwanTaiwan82 km (51 mi)N of epicenterXihu(pop: 47,000)II: Very weakChanghua, TaiwanTaiwan84 km (52 mi)N of epicenterZhongxing New Village(pop: 25,500)II: Very weakNantou, TaiwanTaiwan84 km (53 mi)S of epicenterDonggang(pop: 47,700)II: Very weakPingtung, TaiwanTaiwan86 km (53 mi)N of epicenterCaotun(pop: 96,800)II: Very weakNantou, TaiwanTaiwan94 km (58 mi)NE of epicenterPuli(pop: 86,400)II: Very weakNantou, TaiwanTaiwan94 km (59 mi)N of epicenterChanghua(pop: 226,600)II: Very weakTaiwanTaiwan95 km (59 mi)N of epicenterWufeng(pop: 65,600)II: Very weakTaichung City, TaiwanTaiwan104 km (65 mi)N of epicenterTaichung(pop: 1,040,700)II: Very weakTaiwanTaiwan105 km (65 mi)W of epicenterMagong(pop: 56,400)II: Very weakPenghu County, TaiwanTaiwan110 km (68 mi)N of epicenterBuzi(pop: 40,500)II: Very weakTaichung City, TaiwanTaiwan137 km (85 mi)NE of epicenterHualien City(pop: 350,500)II: Very weakHualien, TaiwanTaiwan168 km (104 mi)N of epicenterToufen Township(pop: 106,300)I: Not feltMiaoli, TaiwanTaiwan225 km (140 mi)NE of epicenterNew Taipei City(pop: 4,004,400)I: Not feltNew Taipei City, TaipeiTaiwan227 km (141 mi)NE of epicenterTaipei(pop: 7,871,900)I: Not feltTaiwanTaiwanNotes:(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.User-reports for this quakeThere are no user reports for this quake yet.If you felt it, be the first to report it!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 GMT2025-09-11EpicenterAgency3.916 km10 mi19:28:10TaiwanRaspberryShake (RaspberryShake)Earthquake statisticsAverage number of earthquakesBased on data from the past 25 years and our earthquake archive back to 1900, there are about 91 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 7 or higher: 0.04 quakes per year (or 1 quake every 25 years)Mag. 6 or higher: 0.44 quakes per year (or 1 quake every 2.3 years)Mag. 5 or higher: 2.7 quakes per yearMag. 4 or higher: 51 quakes per year (or 4.2 quakes per month)Mag. 3 or higher: 89 quakes per year (or 7.4 quakes per month)Mag. 2 or higher: 1,600 quakes per year (or 4.3 quakes per day)Mag. 1 or higher: 4,900 quakes per year (or 13.5 quakes per day)The area where this quake occurred has a very high level of seismic activity. It has had at least 5 quakes above magnitude 7 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 23 to 27 years.Number of quakes per yearPrevious quakes in the same area of this earthquake