Light magnitude 3.9 earthquake at 54 km depth22 Sep 21:33 UTC: First to report: EMSC after 4 minutes.22 Sep 21:38: Magnitude recalculated from 4.3 to 3.9. Hypocenter depth recalculated from 30.00 to 54.40 km (from 18.6 to 34 mi). Epicenter location corrected by 8.5 km (5.3 mi) towards ENE.I didn't feel itI felt this quakeEarthquake detailsDate & timeSep 22, 2026 21:29:30 UTC - Local time at epicenterTuesday, Sep 22, 2026, at 06:29 pm (GMT -3)StatusconfirmedMagnitude3.90Depth54 kmEpicenter latitude / longitude21.7°S / 70.09°WProvincia de Tocopilla, Region de Antofagasta, ChileSeismic antipode21.7°N / 109.91°EChinaShaking intensityII Very weak shakingFelt0 reportsPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Nearest volcanoAucanquilcha (176 km / 109 mi)Weather at epicenter at time of quakeScattered Clouds 18°C (64 F), humidity: 75%, wind: 2 m/s (4 kts) from SSWEstimated 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 energy10 minutes agoSep 22, 2026 21:29 GMT / Sep 22, 2026 06:29 pm (GMT -3)Lat / Lng: -21.7 / -70.09: Antofagasta, ChileSource: EMSCOther sources: RaspberryShake: 3.9 / 54 km, CSN: 4.3 / 30 kmDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23384258',-21.70000,-70.09000,'10 minutes ago: Mag. 3.9, Antofagasta, Chile',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 ChileNearby placesThe closest larger town where the quake might have been felt is Tocopilla, a town with 25,000 inhabitants in Chile, in 45 km (28 mi) distance south 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(*)RegionCountry40 km (25 mi)N of epicenterCaleta Chipana(pop: 84)II: Very weakProvincia de Iquique, TarapacáChile45 km (28 mi)S of epicenterTocopilla(pop: 25,400)II: Very weakRegion de AntofagastaChile58 km (36 mi)E of epicenterQuillagua(pop: 141)II: Very weakProvincia de Tocopilla, Region de AntofagastaChile79 km (49 mi)N of epicenterRio Seco(pop: 145)II: Very weakProvincia de Iquique, TarapacáChile84 km (52 mi)SE of epicenterMaria Elena(pop: 7,530)II: Very weakProvincia de Tocopilla, Region de AntofagastaChile111 km (69 mi)N of epicenterChanavayita(pop: 603)II: Very weakProvincia de Iquique, TarapacáChile116 km (72 mi)NE of epicenterOficina Victoria(pop: 83)II: Very weakProvincia del Tamarugal, TarapacáChile122 km (76 mi)N of epicenterPlaya Quinteros(pop: 20)II: Very weakProvincia de Iquique, TarapacáChile131 km (81 mi)NE of epicenterColonia Pintados(pop: 143)II: Very weakProvincia del Tamarugal, TarapacáChile137 km (85 mi)NE of epicenterHuatacondo(pop: 55)II: Very weakProvincia del Tamarugal, TarapacáChile141 km (88 mi)N of epicenterLos Verdes(pop: 216)II: Very weakProvincia de Iquique, TarapacáChile147 km (91 mi)SE of epicenterCalama(pop: 166,300)II: Very weakProvincia de El Loa, Region de AntofagastaChile154 km (96 mi)SE of epicenterSierra Gorda(pop: 1,070)I: Not feltProvincia de Antofagasta, Region de AntofagastaChile156 km (97 mi)NE of epicenterPica(pop: 9,300)I: Not feltProvincia del Tamarugal, TarapacáChile158 km (98 mi)N of epicenterLa Tirana(pop: 837)I: Not feltProvincia del Tamarugal, TarapacáChile159 km (99 mi)N of epicenterAlto Hospicio(pop: 142,100)I: Not feltProvincia de Iquique, TarapacáChile160 km (99 mi)S of epicenterMejillones(pop: 14,100)I: Not feltProvincia de Antofagasta, Region de AntofagastaChile164 km (102 mi)N of epicenterPozo Almonte(pop: 16,900)I: Not feltProvincia del Tamarugal, TarapacáChile166 km (103 mi)N of epicenterIquique(pop: 199,600)I: Not feltTarapacáChile177 km (110 mi)N of epicenterBaquedano(pop: 587)I: Not feltProvincia del Tamarugal, TarapacáChile184 km (114 mi)S of epicenterBaquedano(pop: 858)I: Not feltProvincia de Antofagasta, Region de AntofagastaChile192 km (120 mi)N of epicenterHuara(pop: 2,860)I: Not feltProvincia del Tamarugal, TarapacáChile197 km (123 mi)E of epicenterOllagüe(pop: 134)I: Not feltProvincia de El Loa, Region de AntofagastaChile202 km (126 mi)NE of epicenterMamiña(pop: 319)I: Not feltProvincia del Tamarugal, TarapacáChile207 km (128 mi)N of epicenterTarapaca(pop: 121)I: Not feltProvincia del Tamarugal, TarapacáChile215 km (134 mi)N of epicenterPachica(pop: 168)I: Not feltProvincia del Tamarugal, TarapacáChile219 km (136 mi)S of epicenterAntofagasta(pop: 401,100)I: Not feltRegion de AntofagastaChile233 km (145 mi)NE of epicenterLimaxiña(pop: 64)I: Not feltProvincia del Tamarugal, TarapacáChile234 km (146 mi)N of epicenterPisagua(pop: 443)I: Not feltProvincia del Tamarugal, TarapacáChile236 km (147 mi)SE of epicenterSan Pedro de Atacama(pop: 11,000)I: Not feltProvincia de El Loa, Region de AntofagastaChile250 km (156 mi)N of epicenterSotoca(pop: 49)I: Not feltProvincia del Tamarugal, TarapacáChile264 km (164 mi)N of epicenterFrancia(pop: 62)I: Not feltProvincia del Tamarugal, TarapacáChile274 km (170 mi)N of epicenterCamina(pop: 1,340)I: Not feltProvincia del Tamarugal, TarapacáChile288 km (179 mi)N of epicenterNama(pop: 44)I: Not feltProvincia del Tamarugal, TarapacáChile309 km (192 mi)NE of epicenterColchane(pop: 1,730)I: Not feltProvincia del Tamarugal, TarapacáChileNotes:(*) 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 GMT2026-09-22EpicenterAgency3.954 km34 mi21:29:30ANTOFAGASTA, CHILEEMSC (European-Mediterranean Seismological Centre)3.954 km34 mi21:29:30Near Coast of Northern Chile0.3 km (0.2 mi) epicenter difference with EMSCRaspberryShake (RaspberryShake)4.330 km19 mi21:29:3140 km al N de Tocopilla8.3 km (5.2 mi) epicenter difference with EMSCCSN (National Seismological Center (Centro Sismológico Nacional))Earthquake statisticsAverage number of earthquakesBased on data from the past 56 years and our earthquake archive back to 1900, there are about 255 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: 0.09 quakes per year (or 1 quake every 11.5 years)Mag. 5 or higher: 1.01 quakes per yearMag. 4 or higher: 17.1 quakes per yearMag. 3 or higher: 106 quakes per year (or 8.8 quakes per month)Mag. 2 or higher: 256 quakes per year (or 21.3 quakes per month)Mag. 1 or higher: 257 quakes per year (or 21.4 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 earthquake