Moderate mag. 4.7 earthquake - Taiwan on Sunday, Sep 21, 2025, at 07:20 pm (Universal Time)

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The quake had a very shallow depth of 28 km (17 mi) and was not felt (or at least not reported so).Quake Data | Interactive map | User reports | Aftershocks | Earlier quakes here | Quakes in Taiwan | Taiwan | TaipeiHint: Click on the image to see different maps of this quake!Moderate magnitude 4.7 earthquake at 28 km depth21 Sep 19:28 UTC: First to report: EMSC after 8 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeSep 21, 2025 19:20:14 UTC - Local time at epicenterSunday, Sep 21, 2025, at 07:20 pm (Universal Time GMT +0)Statuspreliminary (automatic detection)Magnitude4.7Depth28 kmEpicenter latitude / longitude23.74°N / 120.94°ETaiwan, TaiwanSeismic antipode23.74°S / 59.06°WShaking intensityIV Light shaking near epicenterFelt0 reportsPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Nearest volcanoUnnamed 24.00°N/121.83°E (95 km / 59 mi)Estimated seismic energy released7.1 x 1011 joules (197 megawatt hours, equivalent to 169 tons of TNT) | equivalent to ONE quake of magnitude 4.7 | about seismic energy8 minutes agoSep 21, 2025 19:20 GMT / Sep 21, 2025 07:20 pm (Universal Time)Lat / Lng: 23.74 / 120.94: TaiwanSource: EMSCDetail info | You felt it? - Report it!';storedMarkers.push(['quake-22189319',23.74000,120.94000,'8 minutes ago: Mag. 4.7, Taiwan',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 Taiwan TaiwanNearby placesThe closest larger town where the quake might have been felt is Taichung, a city of 1 million people in Taiwan, in 52 km (32 mi) distance northwest of the epicenter. People likely experienced weak shaking there. Many smaller towns and villages are located closer to the epicenter and might have experienced stronger shaking. In the capital of  Taiwan, Taipei, 158 km (98 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(*)RegionCountry19 km (12 mi)W of epicenterLugu(pop: 17,700)IV: LightNantou, TaiwanTaiwan25 km (16 mi)N of epicenterPuli(pop: 86,400)IV: LightNantou, TaiwanTaiwan26 km (16 mi)W of epicenterZhushan(pop: 44,100)IV: LightNantou, TaiwanTaiwan33 km (20 mi)W of epicenterLinnei(pop: 16,900)IV: LightYunlin, TaiwanTaiwan34 km (21 mi)W of epicenterErshui(pop: 14,100)IV: LightChanghua, TaiwanTaiwan34 km (21 mi)NW of epicenterNantou(pop: 105,700)IV: LightTaiwanTaiwan36 km (22 mi)NW of epicenterZhongxing New Village(pop: 25,500)IV: LightNantou, TaiwanTaiwan37 km (23 mi)NW of epicenterCaotun(pop: 96,800)IV: LightNantou, TaiwanTaiwan38 km (24 mi)W of epicenterTianzhong(pop: 34,900)IV: LightChanghua, TaiwanTaiwan40 km (25 mi)NW of epicenterShetou(pop: 36,600)III: WeakChanghua, TaiwanTaiwan41 km (25 mi)W of epicenterDouliu(pop: 104,700)III: WeakYunlin, TaiwanTaiwan44 km (27 mi)NW of epicenterWufeng(pop: 65,600)III: WeakTaichung City, TaiwanTaiwan44 km (27 mi)NW of epicenterYuanlin(pop: 124,700)III: WeakChanghua, TaiwanTaiwan45 km (28 mi)W of epicenterCitong(pop: 25,000)III: WeakYunlin, TaiwanTaiwan45 km (28 mi)W of epicenterBeidou(pop: 33,300)III: WeakChanghua, TaiwanTaiwan45 km (28 mi)NW of epicenterYongjing(pop: 35,400)III: WeakChanghua, TaiwanTaiwan46 km (28 mi)W of epicenterTianwei(pop: 26,100)III: WeakChanghua, TaiwanTaiwan49 km (30 mi)W of epicenterXiluo(pop: 37,200)III: WeakYunlin, TaiwanTaiwan50 km (31 mi)W of epicenterPitou(pop: 29,300)III: WeakChanghua, TaiwanTaiwan52 km (32 mi)NW of epicenterTaichung(pop: 1,040,700)III: WeakTaiwanTaiwan53 km (33 mi)NW of epicenterXihu(pop: 47,000)III: WeakChanghua, TaiwanTaiwan54 km (33 mi)NW of epicenterChanghua(pop: 226,600)III: WeakTaiwanTaiwan58 km (36 mi)SW of epicenterChiayi City(pop: 263,200)III: WeakChiayi, TaiwanTaiwan61 km (38 mi)W of epicenterErlin(pop: 43,700)III: WeakChanghua, TaiwanTaiwan64 km (40 mi)NW of epicenterBuzi(pop: 40,500)III: WeakTaichung City, TaiwanTaiwan65 km (40 mi)NW of epicenterXizhou(pop: 28,600)III: WeakTaichung City, TaiwanTaiwan68 km (42 mi)W of epicenterBeigang(pop: 33,300)III: WeakYunlin, TaiwanTaiwan69 km (43 mi)SW of epicenterTaibao(pop: 39,900)III: WeakChiyayi County, TaiwanTaiwan73 km (45 mi)E of epicenterHualien City(pop: 350,500)III: WeakHualien, TaiwanTaiwan84 km (52 mi)SW of epicenterYujing(pop: 16,600)III: WeakTainan, TaiwanTaiwan86 km (54 mi)W of epicenterDongshi(pop: 15,000)III: WeakChiyayi County, TaiwanTaiwan89 km (55 mi)SW of epicenterBudai(pop: 19,300)III: WeakChiyayi County, TaiwanTaiwan105 km (66 mi)N of epicenterToufen Township(pop: 106,300)III: WeakMiaoli, TaiwanTaiwan106 km (66 mi)SW of epicenterYongkang(pop: 233,700)III: WeakTainan, TaiwanTaiwan111 km (69 mi)S of epicenterTaitung(pop: 103,300)III: WeakTaiwanTaiwan112 km (69 mi)SW of epicenterTainan(pop: 771,200)III: WeakTaiwanTaiwan118 km (74 mi)N of epicenterHsinchu(pop: 404,100)III: WeakTaiwanTaiwan132 km (82 mi)N of epicenterDaxi(pop: 94,200)III: WeakTaoyuan, TaiwanTaiwan156 km (97 mi)N of epicenterNew Taipei City(pop: 4,004,400)II: Very weakNew Taipei City, TaipeiTaiwan158 km (98 mi)N of epicenterTaipei(pop: 7,871,900)II: Very weakTaiwanTaiwanNotes:(*) 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 GMT2025-09-21EpicenterAgency4.728 km17 mi19:20:14.5TAIWANEMSC (European-Mediterranean Seismological Centre)Aftershocks 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 5 km2 (2 square miles) as a first-order estimate. The length of the rupture zone thus was probably around 4 km (2 mi).[More info]Recorded aftershocks, latest first (0 quake)Sep 21, 2025 07:20 pm (Universal Time)8 minutes ago4.728 km0 km - This quakeTaiwanMain Shock (this quake)MoreMap of aftershocksPrevious quakes in the same area of this earthquake8 minutes agoSep 21, 2025 19:20 GMT / Sep 21, 2025 07:20 pm (Universal Time)Lat / Lng: 23.74 / 120.94: TaiwanSource: EMSCDetail info | You felt it? - Report it!',4.7,47, '#bb202a', 0.9,1.5, '#bb202a', 0.27);map2.addToMap('thisQuake',23.74,120.94,'8 minutes ago: Mag. 4.7, Taiwan','Earthquake: Mag 4.7 / 28 km (17 mi) depth8 minutes agoSep 21, 2025 19:20 GMT / Sep 21, 2025 07:20 pm (Universal Time)Lat / Lng: 23.74 / 120.94: TaiwanSource: EMSCDetail info | 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); (async function(){await new Promise(r => setTimeout(r,4000));map2.map.setZoom(7)})(); })(); (async function(){while(typeof mkRequest=="undefined")await new Promise(r=>setTimeout(r,500));mkRequest("https://server2.allquakes.com/api/getPrevious.php?quakeId=22189319","get","",function(httpObj){let r=httpObj.responseText,d=document;if(""!=r&&200==httpObj.status){let o=JSON.parse(r);if(!o){d.getElementById("olderQuakesSection").remove();return};let table=d.getElementById("qTableOlder");table.innerHTML+=o.tableRows,qTableOlder.alternateBg(),d.getElementById("placeholder_largestQText").innerHTML=o.html,d.getElementById("sectionPreviousCWrap").style.display="",eval(o.js)}})})();]]>