Light magnitude 3.9 earthquake at 165 km depth9 Dec 13:00 UTC: First to report: EMSC after 4 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeDec 9, 2025 12:57:23 UTC - Local time at epicenterTuesday, Dec 9, 2025, at 12:57 pm (Universal Time GMT +0)Statuspreliminary (automatic detection)Magnitude3.9Depth165 kmEpicenter latitude / longitude22.24°S / 68.87°WProvincia de El Loa, Region de Antofagasta, ChileAlso near: Bolivia 86 km (53 mi) awaySeismic antipode22.24°N / 111.13°EChinaShaking intensityNot feltPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Nearest volcanoSan Pedro (63 km / 39 mi)Estimated 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 energy4 minutes agoDec 9, 2025 12:57 GMT / Dec 9, 2025 12:57 pm (Universal Time)Lat / Lng: -22.24 / -68.87: Antofagasta, ChileSource: EMSCDetail info | You felt it? - Report it!';storedMarkers.push(['quake-22479752',-22.24000,-68.87000,'4 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 Calama, a city with more than 170,000 inhabitants in Chile, in 25 km (15 mi) distance to the south, but it is unlikely that the quake was felt there. DistancePlaceMax. shaking intensity(*)RegionCountry25 km (15 mi)S of epicenterCalama(pop: 166,300)I: Not feltProvincia de El Loa, Region de AntofagastaChile82 km (51 mi)W of epicenterMaria Elena(pop: 4,900)I: Not feltProvincia de Tocopilla, Region de AntofagastaChile86 km (53 mi)SW of epicenterSierra Gorda(pop: 1,070)I: Not feltProvincia de Antofagasta, Region de AntofagastaChile94 km (59 mi)NW of epicenterQuillagua(pop: 141)I: Not feltProvincia de Tocopilla, Region de AntofagastaChile101 km (63 mi)SE of epicenterSan Pedro de Atacama(pop: 2,000)I: Not feltProvincia de El Loa, Region de AntofagastaChile130 km (81 mi)NE of epicenterOllagüe(pop: 134)I: Not feltProvincia de El Loa, Region de AntofagastaChile138 km (86 mi)W of epicenterTocopilla(pop: 25,400)I: Not feltRegion de AntofagastaChile147 km (91 mi)N of epicenterHuatacondo(pop: 55)I: Not feltProvincia del Tamarugal, TarapacáChile157 km (98 mi)SW of epicenterBaquedano(pop: 858)I: Not feltProvincia de Antofagasta, Region de AntofagastaChile161 km (100 mi)NW of epicenterCaleta Chipana(pop: 84)I: Not feltProvincia de Iquique, TarapacáChile186 km (115 mi)NW of epicenterOficina Victoria(pop: 83)I: Not feltProvincia del Tamarugal, TarapacáChile188 km (117 mi)SW of epicenterMejillones(pop: 14,100)I: Not feltProvincia de Antofagasta, Region de AntofagastaChile192 km (119 mi)NW of epicenterRio Seco(pop: 145)I: Not feltProvincia de Iquique, TarapacáChile193 km (120 mi)NW of epicenterColonia Pintados(pop: 143)I: Not feltProvincia del Tamarugal, TarapacáChile200 km (124 mi)N of epicenterPica(pop: 9,300)I: Not feltProvincia del Tamarugal, TarapacáChile202 km (126 mi)NE of epicenterCulpina K(pop: 71)I: Not feltDepartamento de PotosiBolivia214 km (133 mi)NE of epicenterSan Cristobal(pop: 75)I: Not feltDepartamento de PotosiBolivia219 km (136 mi)NW of epicenterChanavayita(pop: 603)I: Not feltProvincia de Iquique, TarapacáChile222 km (138 mi)SW of epicenterAntofagasta(pop: 401,100)I: Not feltRegion de AntofagastaChile227 km (141 mi)N of epicenterLa Tirana(pop: 837)I: Not feltProvincia del Tamarugal, TarapacáChile228 km (141 mi)NW of epicenterPlaya Quinteros(pop: 20)I: Not feltProvincia de Iquique, TarapacáChile240 km (149 mi)NW of epicenterPozo Almonte(pop: 16,900)I: Not feltProvincia del Tamarugal, TarapacáChile241 km (150 mi)NW of epicenterLos Verdes(pop: 216)I: Not feltProvincia de Iquique, TarapacáChile244 km (151 mi)N of epicenterMamiña(pop: 319)I: Not feltProvincia del Tamarugal, TarapacáChile251 km (156 mi)N of epicenterBaquedano(pop: 587)I: Not feltProvincia del Tamarugal, TarapacáChile254 km (158 mi)NW of epicenterAlto Hospicio(pop: 142,100)I: Not feltProvincia de Iquique, TarapacáChile262 km (163 mi)NW of epicenterIquique(pop: 199,600)I: Not feltTarapacáChile266 km (165 mi)N of epicenterTarapaca(pop: 121)I: Not feltProvincia del Tamarugal, TarapacáChile267 km (166 mi)N of epicenterHuara(pop: 2,860)I: Not feltProvincia del Tamarugal, TarapacáChile270 km (168 mi)N of epicenterPachica(pop: 168)I: Not feltProvincia del Tamarugal, TarapacáChile275 km (171 mi)N of epicenterLimaxiña(pop: 64)I: Not feltProvincia del Tamarugal, TarapacáChile287 km (178 mi)SE of epicenterSusques(pop: 1,140)I: Not feltJujuy ProvinceArgentina290 km (180 mi)NE of epicenterUyuni(pop: 10,300)I: Not feltDepartamento de PotosiBolivia295 km (183 mi)NE of epicenterColchani(pop: 12,000)I: Not feltDepartamento de PotosiBolivia310 km (193 mi)NE of epicenterAtocha(pop: 1,830)I: Not feltDepartamento de PotosiBolivia341 km (212 mi)SE of epicenterSan Antonio de los Cobres(pop: 4,000)I: Not feltDepartamento de Los Andes, Salta ProvinceArgentinaNotes:(*) 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 GMT2025-12-9EpicenterAgency3.9165 km103 mi12:57:23ANTOFAGASTA, CHILEEMSC (European-Mediterranean Seismological Centre)Earthquake statisticsAverage number of earthquakesBased on data from the past 25 years and our earthquake archive back to 1900, there are about 978 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 7 or higher: 0.03 quakes per year (or 1 quake every 31.3 years)Mag. 6 or higher: 0.14 quakes per year (or 1 quake every 7 years)Mag. 5 or higher: 3.6 quakes per yearMag. 4 or higher: 69 quakes per year (or 5.8 quakes per month)Mag. 3 or higher: 436 quakes per year (or 36.3 quakes per month)Mag. 2 or higher: 978 quakes per year (or 82 quakes per month)Mag. 1 or higher: 980 quakes per year (or 82 quakes per month)The area where this quake occurred has a very high level of seismic activity. It has had at least 4 quakes above magnitude 7 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 30 to 35 years.Number of quakes per yearPrevious quakes in the same area of this earthquake