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The depth of the quake could not be determined, but is assumed to be shallow.The quake was not felt (or at least not reported so).Quake Data | Interactive map | Seismograms | User reports | Aftershocks | Earlier quakes here | Quakes in Indonesia | Quakes in or near East Timor | East Nusa Tenggara | West Nusa Tenggara | Provinsi Sulawesi SelatanHint: Click on the image to see different maps of this quake!Strong magnitude 5.4 earthquake at unknown depth18 Oct 08:06 UTC: First to report: BMKG after 6 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeOct 18, 2026 08:00:08 UTC - Local time at epicenterSunday, Oct 18, 2026, at 08:00 am (Universal Time GMT +0)Statusunconfirmed (uncertain whether an earthquake with these data happened)Magnitude5.4Depth10 kmEpicenter latitude / longitude8.09°S / 120.26°EKabupaten Manggarai Barat, East Nusa Tenggara, IndonesiaSeismic antipode8.09°N / 59.74°WGuyanaShaking intensityVI Strong shaking near epicenterFelt0 reportsPrimary data sourceBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)Nearest volcanoGunung Beliling (67 km / 42 mi)Estimated seismic energy released7.9 x 1012 joules (2.21 gigawatt hours, equivalent to 1898 tons of TNT or 0.1 atomic bombs!) | equivalent to ONE quake of magnitude 5.4 | about seismic energy6 minutes agoOct 18, 2026 08:00 GMT / Oct 18, 2026 08:00 am (Universal Time)Lat / Lng: -8.09 / 120.26: Flores Region, IndonesiaSource: BMKGDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23445909',-8.09000,120.26000,'6 minutes ago: Mag. 5.4, Flores Region, Indonesia',html,'quakes-7-24.png',30,30,15,15,126]); 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 BaliNearby placesThe closest larger town where the quake might have been felt is Labuan Bajo, a city with more than 190,000 inhabitants in Indonesia, in 61 km (38 mi) distance southwest of the epicenter. People likely experienced light shaking there. Several smaller towns and villages are located closer to the epicenter and might have experienced stronger shaking. In the capital of Timor-Leste, Dili, 587 km (365 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(*)RegionCountry59 km (37 mi)SW of epicenterKondas(pop: 500)IV: LightKabupaten Manggarai, East Nusa TenggaraIndonesia61 km (38 mi)SW of epicenterLabuan Bajo(pop: 188,700)IV: LightKabupaten Manggarai Barat, East Nusa TenggaraIndonesia62 km (39 mi)S of epicenterRuteng(pop: 41,500)IV: LightKabupaten Manggarai, East Nusa TenggaraIndonesia101 km (63 mi)SW of epicenterKomodo(pop: 2,000)IV: LightKabupaten Manggarai Barat, East Nusa TenggaraIndonesia150 km (93 mi)W of epicenterSape(pop: 5,000)III: WeakKabupaten Bima, West Nusa TenggaraIndonesia174 km (108 mi)W of epicenterBima(pop: 161,400)III: WeakWest Nusa TenggaraIndonesia174 km (108 mi)S of epicenterWaingapu(pop: 35,900)III: WeakKabupaten Sumba Timur, East Nusa TenggaraIndonesia176 km (109 mi)SE of epicenterEnde(pop: 87,300)III: WeakEast Nusa TenggaraIndonesia186 km (116 mi)SW of epicenterTambolaka(pop: 35,800)III: WeakKabupaten Sumba Barat Daya, East Nusa TenggaraIndonesia204 km (127 mi)W of epicenterDompu(pop: 55,000)III: WeakWest Nusa TenggaraIndonesia223 km (138 mi)E of epicenterMaumere(pop: 87,700)III: WeakKabupaten Sikka, East Nusa TenggaraIndonesia316 km (196 mi)W of epicenterSumbawa Besar(pop: 62,800)III: WeakKabupaten Sumbawa, West Nusa TenggaraIndonesia324 km (201 mi)N of epicenterGalesong(pop: 83,100)III: WeakKabupaten Takalar, Provinsi Sulawesi SelatanIndonesia330 km (205 mi)N of epicenterSinjai(pop: 40,800)III: WeakProvinsi Sulawesi SelatanIndonesia340 km (211 mi)N of epicenterMakassar(pop: 1,423,900)II: Very weakProvinsi Sulawesi SelatanIndonesia349 km (217 mi)E of epicenterLewoleba(pop: 30,200)II: Very weakKabupaten Lembata, East Nusa TenggaraIndonesia351 km (218 mi)N of epicenterMaros(pop: 30,000)II: Very weakProvinsi Sulawesi SelatanIndonesia382 km (237 mi)W of epicenterTaliwang(pop: 55,300)II: Very weakKabupaten Sumbawa Barat, West Nusa TenggaraIndonesia390 km (242 mi)NE of epicenterBaubau(pop: 161,300)II: Very weakSoutheast SulawesiIndonesia395 km (245 mi)N of epicenterWatampone(pop: 149,300)II: Very weakKabupaten Bone, Provinsi Sulawesi SelatanIndonesia415 km (258 mi)W of epicenterSelong(pop: 92,500)II: Very weakKabupaten Lombok Timur, West Nusa TenggaraIndonesia434 km (270 mi)SE of epicenterKupang(pop: 442,800)II: Very weakEast Nusa TenggaraIndonesia434 km (270 mi)SE of epicenterKupang(pop: 442,800)II: Very weakEast Nusa TenggaraIndonesia441 km (274 mi)N of epicenterSengkang(pop: 59,500)II: Very weakKabupaten Wajo, Provinsi Sulawesi SelatanIndonesia453 km (281 mi)NE of epicenterRaha(pop: 70,000)II: Very weakKabupaten Muna, Southeast SulawesiIndonesia459 km (285 mi)N of epicenterParepare(pop: 160,300)II: Very weakProvinsi Sulawesi SelatanIndonesia459 km (285 mi)W of epicenterMataram(pop: 429,700)II: Very weakWest Nusa TenggaraIndonesia484 km (301 mi)SE of epicenterSoe(pop: 40,200)II: Very weakKabupaten Timor Tengah Selatan, East Nusa TenggaraIndonesia488 km (303 mi)E of epicenterKefamenanu(pop: 48,200)II: Very weakKabupaten Timor Tengah Utara, East Nusa TenggaraIndonesia521 km (324 mi)NE of epicenterKendari(pop: 345,100)II: Very weakSoutheast SulawesiIndonesia522 km (324 mi)E of epicenterAtambua(pop: 82,200)II: Very weakKabupaten Belu, East Nusa TenggaraIndonesia526 km (327 mi)N of epicenterMajene(pop: 73,900)II: Very weakWest SulawesiIndonesia528 km (328 mi)N of epicenterPolewali(pop: 65,800)II: Very weakWest SulawesiIndonesia552 km (343 mi)W of epicenterUbud(pop: 74,800)II: Very weakKabupaten Gianyar, Provinsi BaliIndonesia558 km (347 mi)W of epicenterDenpasar(pop: 725,300)II: Very weakProvinsi BaliIndonesia567 km (352 mi)N of epicenterPalopo(pop: 190,900)II: Very weakProvinsi Sulawesi SelatanIndonesia570 km (354 mi)W of epicenterSingaraja(pop: 133,800)II: Very weakKabupaten Buleleng, Provinsi BaliIndonesia576 km (358 mi)W of epicenterSukawati(pop: 125,500)II: Very weakKabupaten Tabanan, Provinsi BaliIndonesia583 km (362 mi)W of epicenterBanjar(pop: 89,000)II: Very weakKabupaten Buleleng, Provinsi BaliIndonesia587 km (365 mi)E of epicenterDili(pop: 150,000)II: Very weakDistrito de Aveiro, DiliEast TimorNotes:(*) 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 GMT2026-10-18EpicenterAgency5.410 km6.2 mi(*)08:00:08Flores Region, IndonesiaBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)Notes:(*) A depth given as 10 km often means that the the depth of the quake could be not determined with sufficient accuracy."; HTMLcontent += ""; mainMap.addToMap("station"+id, lat, lon, title,HTMLcontent); mainMap.map.panTo([lat,lon]); document.getElementById("map_canvas").scrollIntoView();}document.addEventListener("DOMContentLoaded", function () { var section = document.getElementById("seismogramSection"); if (!section) return; var images = section.querySelectorAll("img.waitBg"); if (!images.length) return; images.forEach(function(img, index){ img.addEventListener("error", function(){ // If the first image fails, hide the whole section. if (index === 0) { // Remove TOC entry var tocLink = document.querySelector('#toc .tocLink[data-href="seismogramSection"]'); if (tocLink) {tocLink.remove()} // Remove whole section section.remove(); } // Otherwise remove only this station. var plot = img.closest(".plotContainer"); if (!plot) return; var station = plot.previousElementSibling; var caption = plot.nextElementSibling; if (station) station.remove(); plot.remove(); if (caption) caption.remove(); // Remove empty "Show more" var more = document.getElementById("moreSeismograms"); if (more && !more.querySelector(".plotContainer")) { more.remove(); var btn = document.getElementById("moreSeismograms_1"); if (btn) btn.remove(); } // Hide section if nothing remains. if (!section.querySelector(".plotContainer")) { section.style.display = "none"; } }, { once: true }); });});]]>SeismogramsSeismic station: Kappang, Sulawesi, Indonesia (KAPI/II network) | Distance from quake: 347 km / 215 mi | Show on map | Station InfoSeismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.1-5.0 Hz. Source: NSF SAGE Facility IRISWS timeseriesplot Web ServiceSeismic station: Marble Bar, Western Australia (MBWA/IU network) | Distance from quake: 1454 km / 904 mi | Show on map | Station InfoShow moreAftershocks 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 25 km2 (10 square miles) as a first-order estimate. The length of the rupture zone thus was probably around 9 km (5 mi).[More info]Recorded aftershocks, latest first (0 quake)Oct 18, 2026 08:00 am (Universal Time)6 minutes ago5.410 km0 km - This quakeKabupaten Manggarai Barat, East Nusa Tenggara, IndonesiaMain Shock (this quake)MoreMap of aftershocksEarthquake statisticsAverage number of earthquakesBased on data from the past 26 years and our earthquake archive back to 1900, there are about 732 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 6 or higher: 0.08 quakes per year (or 1 quake every 12.7 years)Mag. 5 or higher: 3.2 quakes per yearMag. 4 or higher: 78 quakes per year (or 6.5 quakes per month)Mag. 3 or higher: 384 quakes per year (or 32 quakes per month)Mag. 2 or higher: 727 quakes per year (or 61 quakes per month)Mag. 1 or higher: 729 quakes per year (or 61 quakes per month)The area where this quake occurred has a high level of seismic activity. It has had at least 10 quakes above magnitude 6 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 10 to 15 years.Number of quakes per yearPrevious quakes in the same area of this earthquake