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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 | Sulawesi Tengah | Provinsi Sulawesi Selatan | West SulawesiHint: Click on the image to see different maps of this quake!Moderate magnitude 4.1 earthquake at unknown depth21 Jun 19:29 UTC: First to report: BMKG after 5 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeJun 21, 2025 19:24:16 UTC - Local time at epicenterSaturday, Jun 21, 2025, at 07:24 pm (Universal Time GMT +0)Statusconfirmed (manually revised)Magnitude4.1Depth10 kmEpicenter latitude / longitude1.7°S / 120.19°EKabupaten Poso, Sulawesi Tengah, IndonesiaSeismic antipode1.7°N / 59.81°WShaking intensityIV Light shaking near epicenterFelt0 reportsPrimary data sourceBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)Nearest volcanoUna Una (232 km / 144 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 energy5 minutes agoJun 21, 2025 19:24 GMT / Jun 21, 2025 07:24 pm (Universal Time)Lat / Lng: -1.7 / 120.19: Sulawesi, IndonesiaSource: BMKGDetail info | You felt it? - Report it!';storedMarkers.push(['quake-21886752',-1.70000,120.19000,'5 minutes ago: Mag. 4.1, Sulawesi, Indonesia',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+="¬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 Palu, a city with more than 370,000 inhabitants in Indonesia, in 95 km (59 mi) distance north of the epicenter. People likely experienced very weak shaking there. Several smaller towns and villages are located closer to the epicenter and might have experienced stronger shaking.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry71 km (44 mi)NE of epicenterPoso(pop: 47,500)II: Very weakSulawesi TengahIndonesia95 km (59 mi)N of epicenterPalu(pop: 373,200)II: Very weakSulawesi TengahIndonesia96 km (60 mi)S of epicenterMasamba(pop: 38,000)II: Very weakKabupaten Luwu Utara, Provinsi Sulawesi SelatanIndonesia144 km (89 mi)S of epicenterPalopo(pop: 190,900)II: Very weakProvinsi Sulawesi SelatanIndonesia145 km (90 mi)S of epicenterRantepao(pop: 40,400)II: Very weakKabupaten Toraja Utara, Provinsi Sulawesi SelatanIndonesia181 km (113 mi)SW of epicenterMamuju(pop: 15,000)II: Very weakWest SulawesiIndonesia214 km (133 mi)SW of epicenterPolewali(pop: 65,800)I: Not feltWest SulawesiIndonesia245 km (152 mi)SW of epicenterMajene(pop: 73,900)I: Not feltWest SulawesiIndonesia265 km (165 mi)S of epicenterParepare(pop: 160,300)I: Not feltProvinsi Sulawesi SelatanIndonesia271 km (168 mi)S of epicenterSengkang(pop: 59,500)I: Not feltKabupaten Wajo, Provinsi Sulawesi SelatanIndonesia301 km (187 mi)E of epicenterLuwuk(pop: 47,800)I: Not feltKabupaten Banggai, Sulawesi TengahIndonesia316 km (196 mi)S of epicenterWatampone(pop: 149,300)I: Not feltKabupaten Bone, Provinsi Sulawesi SelatanIndonesia362 km (225 mi)SE of epicenterKendari(pop: 345,100)I: Not feltSoutheast SulawesiIndonesia363 km (226 mi)NW of epicenterBontang(pop: 190,000)I: Not feltProvinsi Kalimantan TimurIndonesia405 km (252 mi)NE of epicenterGorontalo(pop: 198,500)I: Not feltGorontaloIndonesiaNotes:(*) 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 GMT2025-06-21EpicenterAgency4.110 km6.2 mi(*)19:24:16Sulawesi, 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();}]]>SeismogramsSeismic station: Kappang, Sulawesi, Indonesia (KAPI/II network) | Distance from quake: 372 km / 231 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: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtoolShow 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 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)Jun 21, 2025 07:24 pm (Universal Time)5 minutes ago4.110 km0 km - This quakeKabupaten Poso, Sulawesi Tengah, IndonesiaMain 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 278 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 6 or higher: 0.12 quakes per year (or 1 quake every 8.5 years)Mag. 5 or higher: 2.1 quakes per yearMag. 4 or higher: 27.6 quakes per yearMag. 3 or higher: 115 quakes per year (or 9.6 quakes per month)Mag. 2 or higher: 265 quakes per year (or 22.1 quakes per month)Mag. 1 or higher: 278 quakes per year (or 23.1 quakes per month)The area where this quake occurred has a very high level of seismic activity. It has had at least 15 quakes above magnitude 6 since 1900, 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