Light magnitude 3.9 earthquake at 63 km depth18 Oct 08:33 UTC: First to report: BMKG after 7 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeOct 18, 2026 08:26:29 UTC - Local time at epicenterSunday, Oct 18, 2026, at 02:26 pm (GMT +6)Statusconfirmed (manually revised)Magnitude3.9Depth63 kmEpicenter latitude / longitude5.44°N / 93.31°EIndiaSeismic antipode5.44°S / 86.69°WShaking intensityII Very weak shakingFelt0 reportsPrimary data sourceBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)Nearest volcanoPulau Weh (222 km / 138 mi)Weather at epicenter at time of quakeOvercast Clouds 29.1°C (84 F), humidity: 74%, wind: 5 m/s (10 kts) from WSWEstimated 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 energy8 minutes agoOct 18, 2026 08:26 GMT / Oct 18, 2026 02:26 pm (GMT +6)Lat / Lng: 5.44 / 93.31: India: Off West Coast of Northern SumatraSource: BMKGDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23445961',5.44000,93.31000,'8 minutes ago: Mag. 3.9, India: Off West Coast of Northern Sumatra',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+="¬Felt=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 IndiaNearby placesThe closest larger town near the epicenter is Campbell Bay, a town with 5,700 inhabitants in India, in 186 km (116 mi) distance to the north, but it is unlikely that the quake was felt there. DistancePlaceMax. shaking intensity(*)RegionCountry186 km (116 mi)N of epicenterCampbell Bay(pop: 5,740)I: Not feltNicobar, Union Territory of Andaman and Nicobar IslandsIndia224 km (139 mi)E of epicenterBanda Aceh(pop: 255,000)I: Not feltNanggroe Aceh Darussalam ProvinceIndonesia228 km (141 mi)E of epicenterSabang(pop: 42,100)I: Not feltNanggroe Aceh Darussalam ProvinceIndonesiaNotes:(*) 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!Get the Android appCompare 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 GMT2026-10-18EpicenterAgency3.963 km39 mi08:26:29Off West Coast of Northern SumatraBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)Earthquake statisticsAverage number of earthquakesBased on data from the past 26 years and our earthquake archive back to 1900, there are about 4.1 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 6 or higher: 0.11 quakes per year (or 1 quake every 9.1 years)Mag. 5 or higher: 1.23 quakes per yearMag. 4 or higher: 15.6 quakes per yearMag. 3 or higher: 25.9 quakes per yearMag. 2 or higher: 25.9 quakes per yearThe area where this quake occurred has a very high level of seismic activity. It has had at least 3 quakes above magnitude 6 since 2000, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 5 to 10 years.Number of quakes per yearPrevious quakes in the same area of this earthquake