Light magnitude 3.9 earthquake at 6 km depth21 May 04:17 UTC: First to report: BMKG after 3 minutes.21 May 04:19: Magnitude recalculated from 3.9 to 3.8. Hypocenter depth recalculated from 10.00 to 3.00 km (from 6.2 to 1.9 mi). Epicenter location corrected by 3.5 km (2.2 mi) towards SSW.21 May 04:23: Magnitude recalculated from 3.8 to 3.9. Hypocenter depth recalculated from 3.00 to 6.00 km (from 1.9 to 3.7 mi). Epicenter location corrected by 4 km (2.5 mi) towards NNE.I didn't feel itI felt this quakeEarthquake detailsDate & timeMay 21, 2026 04:14:20 UTC - Local time at epicenterThursday, May 21, 2026, at 12:14 pm (GMT +8)Statusconfirmed (manually revised)Magnitude3.9Depth6 kmEpicenter latitude / longitude2.45°S / 120.98°EKabupaten Luwu Timur, Provinsi Sulawesi Selatan, IndonesiaSeismic antipode2.45°N / 59.02°WGuyanaShaking intensityIV Light shaking near epicenterFelt0 reportsPrimary data sourceBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)Weather at epicenter at time of quakeOvercast Clouds 30.2°C (86 F), humidity: 61%, wind: 1 m/s (2 kts) from SSEEstimated 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 energy14 minutes agoMay 21, 2026 04:14 GMT / May 21, 2026 12:14 pm (GMT +8)Lat / Lng: -2.45 / 120.98: Sulawesi, IndonesiaSource: BMKGOther sources: RaspberryShake: 3.9 / 6 km, EMSC: 3.9 / 6 kmDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23020845',-2.45000,120.98000,'14 minutes ago: Mag. 3.9, Sulawesi, Indonesia',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 BaliNearby placesThe closest larger town where the quake might have been felt is Masamba, a town with 38,000 inhabitants in Indonesia, in 73 km (46 mi) distance west of the epicenter. People likely experienced very weak shaking there.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry73 km (46 mi)W of epicenterMasamba(pop: 38,000)II: Very weakKabupaten Luwu Utara, Provinsi Sulawesi SelatanIndonesia106 km (66 mi)SW of epicenterPalopo(pop: 190,900)II: Very weakProvinsi Sulawesi SelatanIndonesia111 km (69 mi)E of epicenterBungku(pop: 25,500)II: Very weakMorowali Regency, Sulawesi TengahIndonesia120 km (75 mi)N of epicenterPoso(pop: 47,500)II: Very weakSulawesi TengahIndonesia133 km (83 mi)SW of epicenterRantepao(pop: 40,400)II: Very weakKabupaten Toraja Utara, Provinsi Sulawesi SelatanIndonesia211 km (131 mi)NW of epicenterPalu(pop: 373,200)I: Not feltSulawesi TengahIndonesia212 km (132 mi)SW of epicenterPolewali(pop: 65,800)I: Not feltWest SulawesiIndonesia214 km (133 mi)SW of epicenterSengkang(pop: 59,500)I: Not feltKabupaten Wajo, Provinsi Sulawesi SelatanIndonesia230 km (143 mi)SW of epicenterParepare(pop: 160,300)I: Not feltProvinsi Sulawesi SelatanIndonesia234 km (145 mi)W of epicenterMamuju(pop: 15,000)I: Not feltWest SulawesiIndonesia241 km (150 mi)SE of epicenterKendari(pop: 345,100)I: Not feltSoutheast SulawesiIndonesia243 km (151 mi)S of epicenterWatampone(pop: 149,300)I: Not feltKabupaten Bone, Provinsi Sulawesi SelatanIndonesia254 km (158 mi)SW of epicenterMajene(pop: 73,900)I: Not feltWest SulawesiIndonesia261 km (162 mi)NE of epicenterLuwuk(pop: 47,800)I: Not feltKabupaten Banggai, Sulawesi TengahIndonesia328 km (204 mi)SE of epicenterKatobu(pop: 31,900)I: Not feltKabupaten Muna, Southeast SulawesiIndonesia328 km (204 mi)SE of epicenterRaha(pop: 70,000)I: Not feltKabupaten Muna, Southeast SulawesiIndonesia346 km (215 mi)SW of epicenterMakassar(pop: 1,423,900)I: Not feltProvinsi 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 GMT2026-05-21EpicenterAgency3.96 km3.7 mi04:14:20Sulawesi, IndonesiaBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)3.96 km3.7 mi04:14:20Sulawesi, Indonesia0 km (0 mi) epicenter difference with BMKGRaspberryShake (RaspberryShake)3.96 km3.7 mi04:14:20SULAWESI, INDONESIA0 km (0 mi) epicenter difference with BMKGEMSC (European-Mediterranean Seismological Centre)Earthquake statisticsAverage number of earthquakesBased on data from the past 56 years and our earthquake archive back to 1900, there are about 403 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 6 or higher: 0.06 quakes per year (or 1 quake every 18.2 years)Mag. 5 or higher: 0.54 quakes per year (or 1 quake every 1.9 years)Mag. 4 or higher: 12.6 quakes per yearMag. 3 or higher: 105 quakes per year (or 8.8 quakes per month)Mag. 2 or higher: 359 quakes per year (or 29.9 quakes per month)Mag. 1 or higher: 402 quakes per year (or 33.5 quakes per month)The area where this quake occurred has a high level of seismic activity. It has had at least 7 quakes above magnitude 6 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 15 to 20 years.Number of quakes per yearPrevious quakes in the same area of this earthquakeThe earthquake occurred 9 hours after a magnitude 4.0 earthquake had hit on Thursday, May 21, 2026, at 03:08 am (GMT +8 local time) in 4.7 km (2.9 mi) distance to the southwest:Mag. 4.0 earthquake Sulawesi - Indonesia - The strongest-ever (since 1900) recorded quake in this area measured magnitude 7.4. It had occurred 8 years ago earlier, on Friday, Sep 28, 2018, at 06:02 pm local time (Asia/Makassar GMT +8) in Sulawesi Tengah, Indonesia:Mag. 7.4 earthquake Minahassa Peninsula - Sulawesi - Sep 28, 2018 - Below is a list and map of larger or recent quakes that had occurred near the epicenter before this earthquake (within up to 100 km/61 mi distance, up to 300 km/183 mi for very large quakes above mag. 7). Filter and sort the list by magnitude or time.Max results102050100AllMagnitudeAll2+3+4+5+6+7+8+Time before48 hours1 week30 days1 year5 years30 yearsAny ageDate and TimeMagDepthDistanceLocationDetailsMapMay 21, 03:18 am (GMT +8)3.25 km4.6 km (2.8 mi) to the SKabupaten Luwu Timur, 72 km east of Masamba, Indonesia I FELT IT - 1 reportInfoMay 21, 03:08 am (GMT +8)4.05 km4.7 km (2.9 mi) to the SWKabupaten Luwu Timur, 70 km east of Masamba, Indonesia I FELT ITInfoMay 20, 09:53 pm (GMT +8)3.07 km8.5 km (5.3 mi) to the SWKabupaten Luwu Timur, 69 km east of Masamba, Indonesia I FELT ITInfoMay 20, 09:50 pm (Makassar)4.35 km3.3 km (2.1 mi) to the NKabupaten Luwu Timur, 74 km east of Masamba, Indonesia I FELT ITInfoMay 20, 07:59 am (GMT +8)3.13 kmKabupaten Luwu Timur, 73 km east of Masamba, Indonesia I FELT ITInfoMay 20, 04:53 am (GMT +8)3.85 km2.2 km (1.4 mi) to the EKabupaten Luwu Timur, 76 km east of Masamba, Indonesia I FELT ITInfoMay 18, 08:32 am (GMT +8)4.05 km54 km (34 mi) to the NW 69 km south of Poso, Kabupaten Poso, Sulawesi Tengah, Indonesia I FELT ITInfoApr 29, 06:09 pm (Makassar)4.310 km11 km (7.1 mi) to the SEKabupaten Luwu Timur, 83 km east of Masamba, Indonesia 1 reportInfoJul 24, 2025 09:08 pm (Makassar)5.55 km56 km (35 mi) to the NW Sulawesi, IndonesiaInfoJul 24, 2025 09:07 pm (Makassar)5.710 km54 km (33 mi) to the NW Sulawesi, Indonesia 15 reportsInfoJul 14, 2025 08:52 pm (Makassar)5.014 km59 km (37 mi) to the NW 69 km south of Poso, Kabupaten Poso, Sulawesi Tengah, Indonesia 5 reportsInfoMar 7, 2025 04:34 pm (Makassar)5.010 km5.6 km (3.5 mi) to the SEKabupaten Luwu Timur, 106 km northeast of Palopo, Indonesia 3 reportsInfoJul 17, 2021 06:53 pm (Makassar)5.010 km25 km (16 mi) to the NKabupaten Luwu Timur, Provinsi Sulawesi Selatan, 95 km south of Poso, IndonesiaInfoMar 24, 2019 09:32 am (Makassar)5.310 km84 km (52 mi) to the NW 48 km south of Poso, Kabupaten Poso, Sulawesi Tengah, Indonesia 18 reportsInfoNov 14, 2018 11:31 pm (Universal Time)5.110 km105 km (65 mi) to the SWKabupaten Luwu, 16 km northwest of Palopo, Indonesia 12 reportsInfoSep 28, 2018 06:02 pm (Makassar)7.410 km277 km (172 mi) to the NWKabupaten Donggala, 76 km north of Palu, Kota Palu, Sulawesi Tengah, Indonesia 35 reportsInfoApr 13, 2016 10:28 pm (Makassar)5.710 km77 km (48 mi) to the EKabupaten Luwu Timur, Provinsi Sulawesi Selatan, 173 km northwest of Kendari, IndonesiaInfoSep 1, 2012 09:29 am (Makassar)5.010 km58 km (36 mi) to the EKabupaten Luwu Timur, 152 km east of Palopo, IndonesiaInfoFeb 15, 2011 09:33 pm (Makassar)6.116 km56 km (35 mi) to the EKabupaten Luwu Timur, Provinsi Sulawesi Selatan, 147 km southeast of Poso, IndonesiaInfoJan 5, 2010 10:36 pm (Makassar)5.038 km37 km (23 mi) to the EKabupaten Luwu Timur, 138 km northeast of Palopo, IndonesiaInfoFeb 24, 2009 06:35 pm (Makassar)5.135 km93 km (58 mi) to the NW 45 km southwest of Poso, Kabupaten Poso, Sulawesi Tengah, IndonesiaInfoNov 6, 2003 06:02 am (Makassar)5.133 km47 km (29 mi) to the SEKabupaten Luwu Timur, 125 km east of Palopo, IndonesiaInfoJun 3, 1997 08:23 pm (Makassar)5.433 km96 km (59 mi) to the WKabupaten Luwu Utara, 89 km north of Palopo, IndonesiaInfoJun 12, 1995 08:16 am (Makassar)5.364 km26 km (16 mi) to the EKabupaten Luwu Timur, 119 km southeast of Poso, IndonesiaInfoDec 28, 1993 01:42 pm (Makassar)5.161 km62 km (38 mi) to the NKabupaten Morowali Utara, 59 km south of Poso, IndonesiaInfoFeb 4, 1988 07:49 pm (Makassar)5.144 km30 km (19 mi) to the SEKabupaten Luwu Timur, 121 km east of Palopo, IndonesiaInfoAug 13, 1984 05:50 am (Makassar)5.148 km76 km (47 mi) to the NEBanda Sea, 120 km southeast of Poso, Kabupaten Poso, Sulawesi Tengah, IndonesiaInfoJan 8, 1984 11:24 pm (Makassar)7.033 km245 km (152 mi) to the WKabupaten Mamuju Tengah, 18 km southwest of Mamuju, IndonesiaInfoAug 28, 1982 07:30 am (Makassar)5.455 km16 km (9.8 mi) to the NKabupaten Luwu Timur, Provinsi Sulawesi Selatan, 104 km south of Poso, IndonesiaInfoFeb 12, 1979 03:47 pm (Makassar)5.433 km39 km (24 mi) to the NKabupaten Morowali Utara, 90 km southeast of Poso, IndonesiaInfoMay 28, 1977 01:51 pm (Makassar)5.954 km95 km (59 mi) to the NW 45 km southwest of Poso, Kabupaten Poso, Sulawesi Tengah, IndonesiaInfoFeb 7, 1977 10:24 am (Makassar)5.233 km32 km (20 mi) to the NWKabupaten Luwu Timur, Provinsi Sulawesi Selatan, 94 km south of Poso, IndonesiaInfoDec 30, 1976 02:46 am (Makassar)5.238 km98 km (61 mi) to the NW 72 km southwest of Poso, Kabupaten Poso, Sulawesi Tengah, IndonesiaInfoFeb 23, 1969 08:36 am (Makassar)7.015 km245 km (152 mi) to the WKabupaten Polewali Mandar, 38 km north of Majene, IndonesiaInfoJul 21, 1968 04:34 am (Makassar)5.033 km85 km (53 mi) to the EKabupaten Luwu Timur, 170 km east of Palopo, IndonesiaInfoJun 8, 1968 05:30 am (Makassar)6.238 km71 km (44 mi) to the NWKabupaten Luwu Utara, Provinsi Sulawesi Selatan, 82 km southwest of Poso, IndonesiaInfoApr 29, 1960 05:16 pm (Makassar)7.00 km224 km (139 mi) to the N 187 km east of Palu, Kota Palu, Sulawesi Tengah, IndonesiaInfoSep 20, 1954 08:39 am (Makassar)6.050 km86 km (53 mi) to the NWKabupaten Luwu Utara, Provinsi Sulawesi Selatan, 72 km southwest of Poso, IndonesiaInfoDec 9, 1941 02:43 am (Universal Time)6.015 km79 km (49 mi) to the SSoutheast Sulawesi, 95 km east of Palopo, IndonesiaInfoJul 29, 1924 05:18 am (Universal Time)6.535 km77 km (48 mi) to the SKabupaten Kolaka Utara, Southeast Sulawesi, 101 km east of Palopo, IndonesiaInfoFeb 13, 1924 10:50 pm (Universal Time)6.635 km75 km (47 mi) to the SE Sulawesi, IndonesiaInfoJul 30, 1907 08:00 am (Makassar)7.00 km50 km (31 mi) to the N Sulawesi Lemo, Colo, Anja, Olu CongkoInfoMap of earlier quakes in the area of this quakeMax results102050100AllMagnitudeAll2+3+4+5+6+7+8+Time before48 hours1 week30 days1 year5 years30 yearsAny ageOldest quakes are shown in yellow, most recent in red.[quakes -][quakes +][smaller][bigger]