Moderate mag. 4.3 earthquake - 432 km south of Ambon, Kota Ambon, Maluku, Indonesia, on Sunday, Dec 7, 2025, at 09:25 pm (Universal Time)

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Moderate magnitude 4.3 earthquake at 190 km depth7 Dec 21:31 UTC: First to report: BMKG after 6 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeDec 7, 2025 21:25:28 UTC - Local time at epicenterSunday, Dec 7, 2025, at 09:25 pm (Universal Time GMT +0)Statusconfirmed (manually revised)Magnitude4.3Depth190 kmEpicenter latitude / longitude7.4°S / 129.36°EMaluku, IndonesiaSeismic antipode7.4°N / 50.64°WShaking intensityII Very weak shakingFelt0 reportsPrimary data sourceBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)Nearest volcanoTeon (59 km / 37 mi)Estimated seismic energy released1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 tons of TNT) | equivalent to ONE quake of magnitude 4.3 | about seismic energy6 minutes agoDec 7, 2025 21:25 GMT / Dec 7, 2025 09:25 pm (Universal Time)Lat / Lng: -7.4 / 129.36: Indonesia: Banda SeaSource: BMKGDetail info | You felt it? - Report it!';storedMarkers.push(['quake-22473054',-7.40000,129.36000,'6 minutes ago: Mag. 4.3, Indonesia: Banda 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 near the epicenter is Tiakur, a town with 5,200 inhabitants in Indonesia, in 192 km (119 mi) distance to the southwest, but it is unlikely that the quake was felt there. DistancePlaceMax. shaking intensity(*)RegionCountry192 km (119 mi)SW of epicenterTiakur(pop: 5,230)I: Not feltKabupaten Maluku Barat Daya, MalukuIndonesia223 km (139 mi)E of epicenterSaumlaki(pop: 13,800)I: Not feltKabupaten Maluku Tenggara Barat, MalukuIndonesia257 km (160 mi)SW of epicenterTutuala(pop: 3,710)I: Not feltLauteinEast Timor289 km (179 mi)SW of epicenterLospalos(pop: 17,200)I: Not feltLauteinEast Timor310 km (193 mi)SW of epicenterGunung Dilarini(pop: 365)I: Not feltLuro, LauteinEast Timor329 km (205 mi)SW of epicenterIrabin de Baixo(pop: 2,450)I: Not feltUatocarabau, ViquequeEast Timor342 km (212 mi)W of epicenterBaukau(pop: 16,000)I: Not feltBaucau, BaucauEast Timor432 km (268 mi)N of epicenterAmbon(pop: 347,300)I: Not feltMalukuIndonesiaNotes:(*) 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 GMT2025-12-7EpicenterAgency4.3190 km118 mi21:25:28Banda 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 2 km2 (1 square miles) as a first-order estimate. The length of the rupture zone thus was probably around 2 km (2 mi).[More info]Recorded aftershocks, latest first (0 quake)Dec 7, 2025 09:25 pm (Universal Time)6 minutes ago4.3190 km0 km - This quakeIndonesia: Banda SeaMain 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 144 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 8 or higher: 0.02 quakes per year (or 1 quake every 62.5 years)Mag. 7 or higher: 0.06 quakes per year (or 1 quake every 15.6 years)Mag. 6 or higher: 0.43 quakes per year (or 1 quake every 2.3 years)Mag. 5 or higher: 7.8 quakes per yearMag. 4 or higher: 136 quakes per year (or 11.3 quakes per month)Mag. 3 or higher: 247 quakes per year (or 20.6 quakes per month)Mag. 2 or higher: 254 quakes per year (or 21.2 quakes per month)The area where this quake occurred has a very high level of seismic activity. It has had at least 2 quakes above magnitude 8 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 60 to 65 years.Number of quakes per yearPrevious quakes in the same area of this earthquake