Moderate magnitude 4.6 earthquake at 27 km depth4 Apr 01:20 UTC: First to report: BMKG after 6 minutes.Update Sat, 4 Apr 2026, 01:21Moderate earthquake of magnitude 4.6 just reported 36 km south of Teluk Dalam, IndonesiaAn earthquake of magnitude 4.6 occurred only 6 minutes ago 36 km south of Teluk Dalam, Indonesia, Indonesia's Meteorology, Climatology, and Geophysical Agency reported.The quake hit at a shallow depth of 27. km beneath the epicenter near Teluk Dalam, Kabupaten Nias Selatan, North Sumatra, Indonesia, in the morning on Saturday, April 4th, 2026, at 8:14 am local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.Weak shaking might have been felt in Teluk Dalam (pop. 25,800) located 36 km from the epicenter.VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.If you were or still are in this area during the quake help others with your feedback and report it here.Download the Volcanoes & Earthquakes app and get one of the fastest seismic alerts online: Android | iOSI didn't feel itI felt this quakeEarthquake detailsDate & timeApr 4, 2026 01:14:33 UTC - Local time at epicenterSaturday, Apr 4, 2026, at 08:14 am (GMT +7)Statusconfirmed (manually revised)Magnitude4.6Depth27 kmEpicenter latitude / longitude0.25°N / 97.78°ENorth Sumatra, IndonesiaSeismic antipode0.25°S / 82.22°WEcuadorShaking intensityIV Light shaking near epicenterFelt0 reportsPrimary data sourceBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)Nearest volcanoSorikmarapi (202 km / 126 mi)Weather at epicenter at time of quakeOvercast Clouds 27.9°C (82 F), humidity: 72%, wind: 2 m/s (3 kts) from NNWEstimated seismic energy released5 x 1011 joules (139 megawatt hours, equivalent to 120 tons of TNT) | equivalent to ONE quake of magnitude 4.6 | about seismic energy21 minutes agoApr 4, 2026 01:14 GMT / Apr 4, 2026 08:14 am (GMT +7)Lat / Lng: 0.25 / 97.78: Northern Sumatra, IndonesiaSource: BMKGOther sources: RaspberryShake: 4.6 / 27 kmDetail info | You felt it? - Report it!';storedMarkers.push(['quake-22872981',0.25000,97.78000,'21 minutes ago: Mag. 4.6, Northern Sumatra, 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 Teluk Dalam, a town with 26,000 inhabitants in Indonesia, in 36 km (22 mi) distance north of the epicenter. People likely experienced weak shaking there. In the capital of Malaysia, Kuala Lumpur, 540 km (336 mi) away from the epicenter, the earthquake could not be felt.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry36 km (22 mi)N of epicenterTeluk Dalam(pop: 25,800)III: WeakKabupaten Nias Selatan, North SumatraIndonesia117 km (73 mi)N of epicenterGunungsitoli(pop: 136,700)III: WeakNorth SumatraIndonesia144 km (90 mi)NW of epicenterLahewa(pop: 24,500)II: Very weakKabupaten Nias Utara, North SumatraIndonesia200 km (124 mi)NE of epicenterSibolga(pop: 91,300)II: Very weakNorth SumatraIndonesia208 km (129 mi)NE of epicenterPadangsidempuan(pop: 236,200)II: Very weakKota Padangsidimpuan, North SumatraIndonesia227 km (141 mi)N of epicenterSingkil(pop: 46,800)II: Very weakNanggroe Aceh Darussalam ProvinceIndonesia236 km (147 mi)NE of epicenterTarutung(pop: 39,500)II: Very weakKabupaten Tapanuli Utara, North SumatraIndonesia269 km (167 mi)N of epicenterSubulussalam(pop: 90,800)II: Very weakNanggroe Aceh Darussalam ProvinceIndonesia278 km (173 mi)E of epicenterPariaman(pop: 92,200)II: Very weakProvinsi Sumatera BaratIndonesia284 km (177 mi)N of epicenterSidikalang(pop: 50,700)II: Very weakKabupaten Dairi, North SumatraIndonesia293 km (182 mi)NW of epicenterSinabang(pop: 15,000)II: Very weakKabupaten Simeulue, Nanggroe Aceh Darussalam ProvinceIndonesia295 km (183 mi)E of epicenterBukittinggi(pop: 121,000)II: Very weakProvinsi Sumatera BaratIndonesia297 km (184 mi)NE of epicenterBandar(pop: 31,400)II: Very weakKabupaten Labuhan Batu, North SumatraIndonesia302 km (188 mi)E of epicenterPadangpanjang(pop: 58,600)II: Very weakKota Padang Panjang, Provinsi Sumatera BaratIndonesia302 km (188 mi)N of epicenterParopo(pop: 16,100)II: Very weakKabupaten Dairi, North SumatraIndonesia306 km (190 mi)N of epicenterTongging(pop: 16,000)II: Very weakKabupaten Karo, North SumatraIndonesia307 km (191 mi)NE of epicenterRantauprapat(pop: 103,000)II: Very weakKabupaten Labuhan Batu, North SumatraIndonesia316 km (196 mi)SE of epicenterPadang(pop: 909,000)II: Very weakProvinsi Sumatera BaratIndonesia322 km (200 mi)E of epicenterPayakumbuh(pop: 139,600)II: Very weakProvinsi Sumatera BaratIndonesia327 km (203 mi)N of epicenterKabanjahe(pop: 73,600)II: Very weakKabupaten Karo, North SumatraIndonesia334 km (207 mi)NE of epicenterPematangsiantar(pop: 274,800)II: Very weakKota Pematang Siantar, North SumatraIndonesia337 km (210 mi)N of epicenterBerastagi(pop: 48,200)II: Very weakKabupaten Karo, North SumatraIndonesia341 km (212 mi)E of epicenterSolok(pop: 73,400)II: Very weakProvinsi Sumatera BaratIndonesia354 km (220 mi)NE of epicenterPekan Bahapal(pop: 40,000)II: Very weakKabupaten Simalungun, North SumatraIndonesia366 km (228 mi)NE of epicenterKisaran(pop: 141,900)I: Not feltKabupaten Asahan, North SumatraIndonesia375 km (233 mi)NE of epicenterTebingtinggi(pop: 117,500)I: Not feltKota Tebing Tinggi, North SumatraIndonesia376 km (234 mi)N of epicenterDeli Tua(pop: 27,900)I: Not feltKabupaten Deli Serdang, North SumatraIndonesia377 km (234 mi)NE of epicenterTanjungbalai(pop: 183,200)I: Not feltKota Tanjung Balai, North SumatraIndonesia381 km (236 mi)NE of epicenterTeluk Nibung(pop: 25,100)I: Not feltKota Tanjung Balai, North SumatraIndonesia381 km (237 mi)N of epicenterBinjai(pop: 279,300)I: Not feltNorth SumatraIndonesia382 km (237 mi)N of epicenterSunggal(pop: 157,900)I: Not feltKota Medan, North SumatraIndonesia384 km (238 mi)N of epicenterMedan(pop: 2,435,300)I: Not feltNorth SumatraIndonesia392 km (243 mi)N of epicenterPerbaungan(pop: 157,200)I: Not feltKabupaten Serdang Bedagai, North SumatraIndonesia394 km (245 mi)N of epicenterPercut(pop: 311,100)I: Not feltKabupaten Deli Serdang, North SumatraIndonesia401 km (249 mi)E of epicenterBalai Pungut(pop: 56,500)I: Not feltKabupaten Bengkalis, RiauIndonesia405 km (252 mi)N of epicenterBelawan(pop: 102,700)I: Not feltKota Medan, North SumatraIndonesia408 km (254 mi)E of epicenterPekanbaru(pop: 1,085,000)I: Not feltRiauIndonesia415 km (258 mi)N of epicenterLabuhan Deli(pop: 49,700)I: Not feltKota Medan, North SumatraIndonesia437 km (271 mi)E of epicenterDumai(pop: 331,800)I: Not feltRiauIndonesia540 km (336 mi)NE of epicenterKuala Lumpur(pop: 1,454,000)I: Not feltKuala LumpurMalaysiaNotes:(*) 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 GMT2026-04-4EpicenterAgency4.627 km17 mi01:14:33Northern Sumatra, IndonesiaBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)4.627 km17 mi01:14:33Northern Sumatra, Indonesia0 km (0 mi) epicenter difference with BMKGRaspberryShake (RaspberryShake)Aftershocks 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 4 km2 (2 square miles) as a first-order estimate. The length of the rupture zone thus was probably around 3 km (2 mi).[More info]Recorded aftershocks, latest first (0 quake)Apr 4, 2026 08:14 am (GMT +7)21 minutes ago4.627 km0 km - This quakeIndian Ocean, 36 km S of Teluk Dalam, 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 77 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 7 or higher: 0.02 quakes per year (or 1 quake every 62.5 years)Mag. 6 or higher: 0.11 quakes per year (or 1 quake every 9 years)Mag. 5 or higher: 4.6 quakes per yearMag. 4 or higher: 22.5 quakes per yearMag. 3 or higher: 66 quakes per year (or 5.5 quakes per month)Mag. 2 or higher: 79 quakes per year (or 6.6 quakes per month)The area where this quake occurred has a very high level of seismic activity. It has had at least 2 quakes above magnitude 7 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 60 to 65 years.Number of quakes per yearPrevious quakes in the same area of this earthquakeThe earthquake occurred 16 weeks after a magnitude 4.8 earthquake had hit on Monday, Dec 15, 2025, at 04:06 pm (GMT +7 local time) in 91 km (57 mi) distance to the east:Mag. 4.8 earthquake Indian Ocean - North Sumatra, Indonesia - Dec 15, 2025 - The largest quake near the epicenter of this quake during the 10 years before was an event of magnitude 7.3. It had occurred 3 years earlier, on Tuesday, Apr 25, 2023, at 03:00 am local time (Asia/Jakarta GMT +7) in Indian Ocean, Indonesia:Mag. 7.3 earthquake Indian Ocean - 76 km northwest of Pulau Siberut Island, Indonesia - Apr 25, 2023 - The strongest-ever (since 1900) recorded quake in this area measured magnitude 8.6. It had occurred 21 years ago earlier, on Monday, Mar 28, 2005, at 11:09 pm local time (Asia/Pontianak GMT +7) in Nanggroe Aceh Darussalam Province, Indonesia:Mag. 8.6 earthquake 79 km west of Singkil - Indonesia - Mar 28, 2005 - 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 TimeMagDepthDistanceLocationDetailsMapMar 13, 02:11 am (GMT +6)4.050 km75 km (47 mi) to the SWIndian Ocean, 67 km west of Pulau Simuk Island, North Sumatra, IndonesiaInfoFeb 20, 06:27 pm (GMT +6)4.136 km63 km (39 mi) to the WIndian Ocean, 74 km west of Pulau Simuk Island, North Sumatra, IndonesiaInfoJan 20, 10:25 pm (GMT +6)4.540 km59 km (36 mi) to the WIndian Ocean, 67 km west of Pulau Simuk Island, North Sumatra, IndonesiaInfoJan 4, 06:55 pm (GMT +6)4.223 km44 km (28 mi) to the SWIndian Ocean, 51 km west of Pulau Simuk Island, North Sumatra, IndonesiaInfoDec 17, 2025 12:45 am (Jakarta)4.110 km87 km (54 mi) to the EIndian Ocean, 19 km northwest of Pulau Pini Island, North Sumatra, Indonesia 1 reportInfoDec 15, 2025 04:06 pm (GMT +7)4.85 km91 km (57 mi) to the EIndian Ocean, 31 km north of Pulau Pini Island, North Sumatra, Indonesia 1 reportInfoDec 2, 2025 08:16 pm (GMT +7)4.933 km95 km (59 mi) to the EIndian Ocean, 31 km north of Pulau Pini Island, North Sumatra, Indonesia 1 reportInfoAug 31, 2025 08:14 am (GMT +7)4.730 km94 km (58 mi) to the NEIndian Ocean, 60 km north of Pulau Pini Island, North Sumatra, IndonesiaInfoMay 7, 2025 02:09 pm (Jakarta)5.222 km79 km (49 mi) to the NWIndian Ocean, 62 km southwest of Pulau Nias Island, North Sumatra, Indonesia 1 reportInfoJun 11, 2024 03:07 pm (Jakarta)4.641 km68 km (42 mi) to the NKabupaten Nias Selatan, 150 km southwest of Sibolga, IndonesiaInfoApr 25, 2023 03:00 am (Jakarta)7.384 km148 km (92 mi) to the SEIndian Ocean, 76 km northwest of Pulau Siberut Island, Indonesia 243 reportsInfoJun 3, 2019 12:57 pm (Jakarta)5.810 km13 km (8.4 mi) to the NIndian Ocean, 86 km south of Pulau Nias Island, North Sumatra, Indonesia 3 reportsInfoFeb 4, 2019 07:29 pm (Universal Time)6.210 km79 km (49 mi) to the SEnear Magnitude 6.3, Near of MedanInfoNov 30, 2018 03:21 am (GMT +7)5.710 km79 km (49 mi) to the WIndian Ocean, 278 km southwest of Padangsidempuan, Indonesia 3 reportsInfoApr 7, 2010 05:15 am (Pontianak)7.831 km251 km (156 mi) to the NIndian Ocean, 39 km west of Pulau Ujung Batu Island, IndonesiaInfoSep 30, 2009 05:16 pm (GMT +7)7.681 km256 km (159 mi) to the SE 30 km WSW of Pariaman, IndonesiaInfoJan 28, 2009 07:01 am (Jakarta)5.720 km80 km (49 mi) to the SEIndian Ocean, North Sumatra, 142 km northwest of Pulau Siberut Island, IndonesiaInfoJan 27, 2009 02:33 am (Jakarta)5.710 km81 km (50 mi) to the SEIndian Ocean, North Sumatra, 139 km northwest of Pulau Siberut Island, IndonesiaInfoFeb 15, 2007 02:49 am (GMT +7)5.716 km56 km (35 mi) to the WIndian Ocean, 84 km southwest of Pulau Nias Island, North Sumatra, IndonesiaInfoMay 16, 2006 10:28 pm (GMT +7)6.812 km83 km (52 mi) to the WIndian Ocean, 131 km southwest of Pulau Nias Island, North Sumatra, IndonesiaInfoMay 14, 2005 12:05 pm (Jakarta)6.734 km84 km (52 mi) to the NEIndian Ocean, 111 km southeast of Pulau Nias Island, North Sumatra, IndonesiaInfoApr 8, 2005 12:48 pm (Jakarta)6.121 km52 km (32 mi) to the SIndian Ocean, 149 km south of Pulau Nias Island, North Sumatra, IndonesiaInfoApr 8, 2005 08:51 am (Jakarta)5.730 km65 km (41 mi) to the NWIndian Ocean, 56 km southwest of Pulau Nias Island, North Sumatra, IndonesiaInfoApr 3, 2005 07:59 am (Jakarta)6.030 km61 km (38 mi) to the EIndian Ocean, 115 km southeast of Pulau Nias Island, North Sumatra, IndonesiaInfoMar 29, 2005 06:13 am (GMT +7)5.739 km82 km (51 mi) to the WIndian Ocean, 124 km southwest of Pulau Nias Island, North Sumatra, IndonesiaInfoMar 29, 2005 02:02 am (Jakarta)5.831 km85 km (53 mi) to the NKabupaten Nias, 134 km southwest of Sibolga, IndonesiaInfoMar 29, 2005 01:30 am (Jakarta)6.136 km75 km (47 mi) to the N Nias region, IndonesiaInfoMar 28, 2005 11:09 pm (Pontianak)8.630 km217 km (135 mi) to the N 79 km west of Singkil, IndonesiaInfoMay 11, 2004 03:28 pm (Jakarta)6.121 km19 km (12 mi) to the N 181 km SW of Sibolga, IndonesiaInfoJan 10, 2003 10:18 pm (Jakarta)5.727 km20 km (13 mi) to the E 193 km SSW of Sibolga, IndonesiaInfoMay 18, 2001 09:05 am (Jakarta)5.933 km18 km (11 mi) to the N 183 km SW of Sibolga, IndonesiaInfoApr 2, 1998 12:56 am (Jakarta)7.056 km187 km (116 mi) to the SE 95 km W of Pariaman, IndonesiaInfoJul 7, 1997 06:24 pm (Jakarta)5.929 km93 km (58 mi) to the NKabupaten Nias Barat, North Sumatra, 137 km south of Singkil, IndonesiaInfoNov 17, 1984 01:49 pm (Jakarta)7.133 km28 km (17 mi) to the EIndian Ocean, 112 km southeast of Pulau Nias Island, North Sumatra, IndonesiaInfoDec 4, 1974 10:07 am (Jakarta)6.920 km17 km (10.8 mi) to the NEIndian Ocean, 85 km south of Pulau Nias Island, North Sumatra, IndonesiaInfoFeb 4, 1971 10:33 pm (GMT +7)7.030 km113 km (70 mi) to the NEIndian Ocean, 102 km southwest of Padangsidempuan, IndonesiaInfoMay 27, 1961 11:52 pm (Jakarta)5.8165 km59 km (37 mi) to the NEIndian Ocean, 62 km southeast of Pulau Nias Island, North Sumatra, IndonesiaInfoJul 10, 1960 07:05 am (GMT +7)6.230 km39 km (24 mi) to the NEIndian Ocean, 96 km southeast of Pulau Nias Island, North Sumatra, IndonesiaInfoOct 31, 1951 05:22 pm (Jakarta)5.930 km62 km (38 mi) to the SEIndian Ocean, 154 km southeast of Pulau Nias Island, North Sumatra, IndonesiaInfoOct 31, 1951 01:56 pm (Jakarta)6.450 km84 km (52 mi) to the SEIndian Ocean, North Sumatra, 136 km northwest of Pulau Siberut Island, IndonesiaInfoDec 29, 1935 03:39 am (Universal Time)5.925 km100 km (62 mi) to the SEIndian Ocean, North Sumatra, 123 km northwest of Pulau Siberut Island, IndonesiaInfoDec 28, 1935 02:35 am (Universal Time)7.630 km78 km (48 mi) to the SEIndian Ocean, North Sumatra, 143 km northwest of Pulau Siberut Island, IndonesiaInfoAug 21, 1934 07:26 pm (Universal Time)6.135 km82 km (51 mi) to the SEKabupaten Nias Selatan, 191 km southwest of Padangsidempuan, IndonesiaInfoAug 3, 1926 07:41 pm (Universal Time)5.935 km16 km (10 mi) to the NE 182 km SW of Sibolga, IndonesiaInfoMay 29, 1914 04:47 am (Universal Time)6.735 km25 km (16 mi) to the WIndian Ocean, 98 km south of Pulau Nias Island, North Sumatra, IndonesiaInfoOct 29, 1913 04:32 am (Universal Time)6.225 km66 km (41 mi) to the WIndian Ocean, 124 km south of Pulau Nias Island, North Sumatra, IndonesiaInfoNov 2, 1908 05:16 am (Universal Time)7.30 km265 km (165 mi) to the SIndian Ocean, 225 km west of Pulau Siberut Island, IndonesiaInfoMap 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]