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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 | 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 depth20 Aug 09:36 UTC: First to report: BMKG after 5 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeAug 20, 2026 09:30:54 UTC - Local time at epicenterThursday, Aug 20, 2026, at 09:30 am (Universal Time GMT +0)Statusunconfirmed (uncertain whether an earthquake with these data happened)Magnitude5.4Depth10 kmEpicenter latitude / longitude8.3°S / 120.57°EKabupaten Manggarai Timur, East Nusa Tenggara, IndonesiaSeismic antipode8.3°N / 59.43°WShaking intensityVI Strong shaking near epicenterFelt0 reportsPrimary data sourceBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)Nearest volcanoRanakah (36 km / 22 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 agoAug 20, 2026 09:30 GMT / Aug 20, 2026 09:30 am (Universal Time)Lat / Lng: -8.3 / 120.57: Flores Region, IndonesiaSource: BMKGDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23297244',-8.30000,120.57000,'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 78 km (49 mi) distance west 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, 551 km (343 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(*)RegionCountry37 km (23 mi)S of epicenterRuteng(pop: 41,500)V: ModerateKabupaten Manggarai, East Nusa TenggaraIndonesia66 km (41 mi)SW of epicenterKondas(pop: 500)IV: LightKabupaten Manggarai, East Nusa TenggaraIndonesia78 km (49 mi)W of epicenterLabuan Bajo(pop: 188,700)IV: LightKabupaten Manggarai Barat, East Nusa TenggaraIndonesia123 km (76 mi)W of epicenterKomodo(pop: 2,000)III: WeakKabupaten Manggarai Barat, East Nusa TenggaraIndonesia134 km (84 mi)SE of epicenterEnde(pop: 87,300)III: WeakEast Nusa TenggaraIndonesia155 km (96 mi)S of epicenterWaingapu(pop: 35,900)III: WeakKabupaten Sumba Timur, East Nusa TenggaraIndonesia177 km (110 mi)W of epicenterSape(pop: 5,000)III: WeakKabupaten Bima, West Nusa TenggaraIndonesia184 km (114 mi)E of epicenterMaumere(pop: 87,700)III: WeakKabupaten Sikka, East Nusa TenggaraIndonesia193 km (120 mi)SW of epicenterTambolaka(pop: 35,800)III: WeakKabupaten Sumba Barat Daya, East Nusa TenggaraIndonesia204 km (126 mi)W of epicenterBima(pop: 161,400)III: WeakWest Nusa TenggaraIndonesia233 km (145 mi)W of epicenterDompu(pop: 55,000)III: WeakWest Nusa TenggaraIndonesia314 km (195 mi)E of epicenterLewoleba(pop: 30,200)III: WeakKabupaten Lembata, East Nusa TenggaraIndonesia347 km (216 mi)W of epicenterSumbawa Besar(pop: 62,800)II: Very weakKabupaten Sumbawa, West Nusa TenggaraIndonesia355 km (221 mi)N of epicenterSinjai(pop: 40,800)II: Very weakProvinsi Sulawesi SelatanIndonesia357 km (222 mi)N of epicenterGalesong(pop: 83,100)II: Very weakKabupaten Takalar, Provinsi Sulawesi SelatanIndonesia372 km (231 mi)N of epicenterMakassar(pop: 1,423,900)II: Very weakProvinsi Sulawesi SelatanIndonesia383 km (238 mi)N of epicenterMaros(pop: 30,000)II: Very weakProvinsi Sulawesi SelatanIndonesia387 km (241 mi)NE of epicenterBaubau(pop: 161,300)II: Very weakSoutheast SulawesiIndonesia393 km (244 mi)SE of epicenterKupang(pop: 442,800)II: Very weakEast Nusa TenggaraIndonesia393 km (244 mi)SE of epicenterKupang(pop: 442,800)II: Very weakEast Nusa TenggaraIndonesia412 km (256 mi)W of epicenterTaliwang(pop: 55,300)II: Very weakKabupaten Sumbawa Barat, West Nusa TenggaraIndonesia419 km (260 mi)N of epicenterWatampone(pop: 149,300)II: Very weakKabupaten Bone, Provinsi Sulawesi SelatanIndonesia438 km (272 mi)E of epicenterKalabahi(pop: 19,200)II: Very weakKabupaten Alor, East Nusa TenggaraIndonesia443 km (275 mi)SE of epicenterSoe(pop: 40,200)II: Very weakKabupaten Timor Tengah Selatan, East Nusa TenggaraIndonesia446 km (277 mi)W of epicenterSelong(pop: 92,500)II: Very weakKabupaten Lombok Timur, West Nusa TenggaraIndonesia448 km (278 mi)E of epicenterKefamenanu(pop: 48,200)II: Very weakKabupaten Timor Tengah Utara, East Nusa TenggaraIndonesia452 km (281 mi)NE of epicenterRaha(pop: 70,000)II: Very weakKabupaten Muna, Southeast SulawesiIndonesia454 km (282 mi)NE of epicenterKatobu(pop: 31,900)II: Very weakKabupaten Muna, Southeast SulawesiIndonesia468 km (291 mi)N of epicenterSengkang(pop: 59,500)II: Very weakKabupaten Wajo, Provinsi Sulawesi SelatanIndonesia475 km (295 mi)W of epicenterPraya(pop: 35,200)II: Very weakKabupaten Lombok Tengah, West Nusa TenggaraIndonesia484 km (301 mi)E of epicenterAtambua(pop: 82,200)II: Very weakKabupaten Belu, East Nusa TenggaraIndonesia488 km (303 mi)N of epicenterParepare(pop: 160,300)II: Very weakProvinsi Sulawesi SelatanIndonesia491 km (305 mi)W of epicenterMataram(pop: 429,700)II: Very weakWest Nusa TenggaraIndonesia527 km (327 mi)NE of epicenterKendari(pop: 345,100)II: Very weakSoutheast SulawesiIndonesia551 km (343 mi)E of epicenterDili(pop: 150,000)II: Very weakDistrito de Aveiro, DiliEast Timor558 km (347 mi)N of epicenterPolewali(pop: 65,800)II: Very weakWest SulawesiIndonesia558 km (347 mi)N of epicenterMajene(pop: 73,900)II: Very weakWest SulawesiIndonesia584 km (363 mi)W of epicenterUbud(pop: 74,800)II: Very weakKabupaten Gianyar, Provinsi BaliIndonesia590 km (367 mi)W of epicenterDenpasar(pop: 725,300)II: Very weakProvinsi BaliIndonesia592 km (368 mi)N of epicenterPalopo(pop: 190,900)II: Very weakProvinsi Sulawesi SelatanIndonesiaNotes:(*) 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 GMT2026-08-20EpicenterAgency5.410 km6.2 mi(*)09:30:54Flores 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: 376 km / 234 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: 1433 km / 890 mi | Show on map | Station InfoShow moreEarthquake statisticsAverage number of earthquakesBased on data from the past 26 years and our earthquake archive back to 1900, there are about 241 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 6 or higher: 0.07 quakes per year (or 1 quake every 14.1 years)Mag. 5 or higher: 1.95 quakes per yearMag. 4 or higher: 32 quakes per year (or 2.7 quakes per month)Mag. 3 or higher: 105 quakes per year (or 8.7 quakes per month)Mag. 2 or higher: 236 quakes per year (or 19.7 quakes per month)Mag. 1 or higher: 241 quakes per year (or 20 quakes per month)The area where this quake occurred has a high level of seismic activity. It has had at least 9 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