Light magnitude 3.9 earthquake at 259 km depth11 Sep 00:25 UTC: First to report: EMSC after 5 minutes.11 Sep 00:28: Magnitude recalculated from 3.7 to 3.9.I didn't feel itI felt this quakeEarthquake detailsDate & timeSep 11, 2026 00:20:33 UTC - Local time at epicenterThursday, Sep 10, 2026, at 09:20 pm (America/Santiago GMT -3)Statusconfirmed (manually revised)Magnitude3.90Depth259 kmEpicenter latitude / longitude23.83°S / 67.56°WProvincia de El Loa, Region de Antofagasta, ChileAlso near: Argentina 28 km (17 mi) awaySeismic antipode23.83°N / 112.44°EChinaShaking intensityNot feltPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Nearest volcanoCordon de Puntas Negras (10 km / 6 mi)Weather at epicenter at time of quakeBroken Clouds -9.5°C (15 F), humidity: 63%, wind: 7 m/s (14 kts) from WNWEstimated 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 energy20 minutes agoSep 11, 2026 00:20 GMT / Sep 10, 2026 09:20 pm (Santiago time)Lat / Lng: -23.83 / -67.56: Antofagasta, ChileSource: EMSCOther sources: CSN: 3.9 / 259 km, INPRES: 4.0 / 213 kmDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23353153',-23.83000,-67.56000,'20 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 near the epicenter is San Pedro de Atacama, a town with 11,000 inhabitants in Chile, in 121 km (75 mi) distance to the northwest, but it is unlikely that the quake was felt there. DistancePlaceMax. shaking intensity(*)RegionCountry121 km (75 mi)NW of epicenterSan Pedro de Atacama(pop: 11,000)I: Not feltProvincia de El Loa, Region de AntofagastaChile131 km (81 mi)E of epicenterSusques(pop: 1,140)I: Not feltJujuy ProvinceArgentina133 km (83 mi)E of epicenterSan Antonio de los Cobres(pop: 4,000)I: Not feltDepartamento de Los Andes, Salta ProvinceArgentina177 km (110 mi)SE of epicenterSanta Rosa de Tastil(pop: 2,000)I: Not feltDepartamento de Rosario de Lerma, Salta ProvinceArgentina202 km (125 mi)SE of epicenterCachi(pop: 2,190)I: Not feltSalta ProvinceArgentina204 km (126 mi)E of epicenterEl Aguilar(pop: 3,660)I: Not feltDepartamento de Humahuaca, Jujuy ProvinceArgentina207 km (129 mi)NW of epicenterCalama(pop: 166,300)I: Not feltProvincia de El Loa, Region de AntofagastaChile208 km (129 mi)NW of epicenterSierra Gorda(pop: 1,070)I: Not feltProvincia de Antofagasta, Region de AntofagastaChile210 km (130 mi)E of epicenterPurmamarca(pop: 388)I: Not feltDepartamento de Tumbaya, Jujuy ProvinceArgentina222 km (138 mi)E of epicenterTilcara(pop: 5,640)I: Not feltJujuy ProvinceArgentina227 km (141 mi)NE of epicenterAbra Pampa(pop: 9,430)I: Not feltDepartamento de Cochinoca, Jujuy ProvinceArgentina229 km (142 mi)SE of epicenterCampo Quijano(pop: 5,000)I: Not feltDepartamento de Rosario de Lerma, Salta ProvinceArgentina234 km (145 mi)E of epicenterSan Salvador de Jujuy(pop: 258,000)I: Not feltDepartamento de Doctor Manuel Belgrano, Jujuy ProvinceArgentina236 km (147 mi)E of epicenterHumahuaca(pop: 11,400)I: Not feltJujuy ProvinceArgentina239 km (148 mi)W of epicenterBaquedano(pop: 858)I: Not feltProvincia de Antofagasta, Region de AntofagastaChile243 km (151 mi)SE of epicenterSalta(pop: 520,700)I: Not feltDepartamento Capital, Salta ProvinceArgentina243 km (151 mi)E of epicenterPalpala(pop: 48,200)I: Not feltDepartamento de Palpala, Jujuy ProvinceArgentina249 km (154 mi)S of epicenterAntofagasta de la Sierra(pop: 500)I: Not feltCatamarca ProvinceArgentina251 km (156 mi)SE of epicenterEl Carril(pop: 9,780)I: Not feltDepartamento de Chicoana, Salta ProvinceArgentina269 km (167 mi)E of epicenterLa Mendieta(pop: 3,810)I: Not feltDepartamento de San Pedro, Jujuy ProvinceArgentina271 km (169 mi)NW of epicenterMaria Elena(pop: 7,530)I: Not feltProvincia de Tocopilla, Region de AntofagastaChile277 km (172 mi)E of epicenterSan Pedro de Jujuy(pop: 58,400)I: Not feltDepartamento de San Pedro, Jujuy ProvinceArgentina278 km (173 mi)NE of epicenterLa Quiaca(pop: 14,800)I: Not feltDepartamento de Yavi, Jujuy ProvinceArgentina280 km (174 mi)NE of epicenterVillazon(pop: 30,300)I: Not feltDepartamento de PotosiBolivia290 km (180 mi)W of epicenterAntofagasta(pop: 401,100)I: Not feltRegion de AntofagastaChile296 km (184 mi)SE of epicenterCafayate(pop: 11,800)I: Not feltSalta ProvinceArgentina315 km (196 mi)NW of epicenterQuillagua(pop: 141)I: Not feltProvincia de Tocopilla, Region de AntofagastaChile326 km (202 mi)NE of epicenterTupiza(pop: 22,200)I: Not feltDepartamento de PotosiBolivia332 km (206 mi)NW of epicenterTocopilla(pop: 25,400)I: Not feltRegion de AntofagastaChile352 km (219 mi)SE of epicenterTrancas(pop: 6,660)I: Not feltTucuman ProvinceArgentina380 km (236 mi)NW of epicenterCaleta Chipana(pop: 84): Not feltProvincia de Iquique, 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 GMT2026-09-11EpicenterAgency3.9259 km161 mi00:20:33ANTOFAGASTA, CHILEEMSC (European-Mediterranean Seismological Centre)3.9259 km161 mi00:20:3343 km al SE de Socaire0.5 km (0.3 mi) epicenter difference with EMSCCSN (National Seismological Center (Centro Sismológico Nacional))4.0213 km132 mi00:20:32SALTA74 km (46 mi) epicenter difference with EMSCINPRESEarthquake statisticsAverage number of earthquakesBased on data from the past 26 years and our earthquake archive back to 1900, there are about 1,100 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: 0.14 quakes per year (or 1 quake every 7.4 years)Mag. 5 or higher: 3.1 quakes per yearMag. 4 or higher: 137 quakes per year (or 11.4 quakes per month)Mag. 3 or higher: 892 quakes per year (or 74 quakes per month)Mag. 2 or higher: 1,100 quakes per year (or 3.1 quakes per day)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