Moderate mag. 4.1 earthquake - Maluku Sea, 79 km northeast of Pulau Mayu Island, North Maluku, Indonesia, on Friday, Sep 19, 2025, at 04:25 am (GMT +9)

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The quake had a very shallow depth of 19 km (12 mi) and was not felt (or at least not reported so).Quake Data | Interactive map | User reports | Aftershocks | Earlier quakes here | Quakes in Indonesia | North Maluku | Sulawesi UtaraHint: Click on the image to see different maps of this quake!Moderate magnitude 4.1 earthquake at 19 km depth18 Sep 19:29 UTC: First to report: BMKG after 3 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeSep 18, 2025 19:25:46 UTC - Local time at epicenterThursday, Sep 18, 2025, at 07:25 pm (Universal Time GMT +0)Statusconfirmed (manually revised)Magnitude4.1Depth19 kmEpicenter latitude / longitude1.92°N / 126.78°EIndonesiaSeismic antipode1.92°S / 53.22°WShaking intensityIV Light shaking near epicenterFelt0 reportsPrimary data sourceBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)Nearest volcanoGamkonora (102 km / 63 mi)Estimated 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 energy4 minutes agoSep 18, 2025 19:25 GMT / Sep 18, 2025 07:25 pm (Universal Time)Lat / Lng: 1.92 / 126.78: Indonesia: Northern Molucca SeaSource: BMKGDetail info | You felt it? - Report it!';storedMarkers.push(['quake-22180530',1.92000,126.78000,'4 minutes ago: Mag. 4.1, Indonesia: Northern Molucca Sea',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 BaliNearby placesThe closest larger town where the quake might have been felt is Galela, a town with 8,800 inhabitants in Indonesia, in 113 km (70 mi) distance east of the epicenter. People likely experienced very weak shaking there.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry113 km (70 mi)E of epicenterGalela(pop: 8,760)II: Very weakKabupaten Halmahera Utara, North MalukuIndonesia138 km (86 mi)E of epicenterTobelo(pop: 34,200)II: Very weakKabupaten Halmahera Utara, North MalukuIndonesia142 km (88 mi)SE of epicenterTernate(pop: 204,900)II: Very weakNorth MalukuIndonesia158 km (98 mi)SE of epicenterSofifi(pop: 36,200)II: Very weakKota Tidore Kepulauan, North MalukuIndonesia184 km (114 mi)W of epicenterBitung(pop: 137,400)II: Very weakSulawesi UtaraIndonesia191 km (119 mi)W of epicenterBitung(pop: 225,100)II: Very weakSulawesi UtaraIndonesia206 km (128 mi)W of epicenterLaikit, Laikit II (Dimembe)(pop: 8,000)I: Not feltKabupaten Minahasa Utara, Sulawesi UtaraIndonesia216 km (134 mi)SE of epicenterMaba(pop: 12,600)I: Not feltEast Halmahera Regency, North MalukuIndonesia219 km (136 mi)W of epicenterTondano(pop: 33,300)I: Not feltKabupaten Minahasa, Sulawesi UtaraIndonesia220 km (137 mi)W of epicenterManado(pop: 451,900)I: Not feltSulawesi UtaraIndonesia230 km (143 mi)W of epicenterTomohon(pop: 27,600)I: Not feltSulawesi UtaraIndonesia294 km (182 mi)S of epicenterLabuha(pop: 7,070)I: Not feltKabupaten Halmahera Selatan, North MalukuIndonesia307 km (191 mi)SW of epicenterModisi(pop: 560)I: Not feltSulawesi UtaraIndonesiaNotes:(*) 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 GMT2025-09-18EpicenterAgency4.119 km12 mi19:25:46Northern Molucca SeaBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)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 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)Sep 18, 2025 07:25 pm (Universal Time)4 minutes ago4.119 km0 km - This quakeIndonesia: Northern Molucca SeaMain Shock (this quake)MoreMap of aftershocksPrevious quakes in the same area of this earthquake4 minutes agoSep 18, 2025 19:25 GMT / Sep 18, 2025 07:25 pm (Universal Time)Lat / Lng: 1.92 / 126.78: Indonesia: Northern Molucca SeaSource: BMKGDetail info | You felt it? - Report it!',4.1,41, '#bb202a', 0.9,1.5, '#bb202a', 0.27);map2.addToMap('thisQuake',1.92,126.78,'4 minutes ago: Mag. 4.1, Indonesia: Northern Molucca Sea','Earthquake: Mag 4.1 / 19 km (12 mi) depth4 minutes agoSep 18, 2025 19:25 GMT / Sep 18, 2025 07:25 pm (Universal Time)Lat / Lng: 1.92 / 126.78: Indonesia: Northern Molucca SeaSource: BMKGDetail 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=22180530","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)}})})();]]>Support Us – Help Us Enhance Our Services!We’re passionate about delivering the latest volcano and earthquake data from around the globe — just for you. 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