Light magnitude 3.9 earthquake at 255 km depth30 Jul 09:29 UTC: First to report: EMSC after 9 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeJul 30, 2025 09:20:15 UTC - Local time at epicenterWednesday, Jul 30, 2025, at 09:20 am (Universal Time GMT +0)Statuspreliminary (automatic detection)Magnitude3.9Depth255 kmEpicenter latitude / longitude23.93°S / 67.55°WProvincia de El Loa, Region de Antofagasta, ChileAlso near: Argentina 18.4 km (11 mi) awaySeismic antipode23.93°N / 112.45°EChinaShaking intensityNot feltPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Nearest volcanoIncaguasi (11 km / 7 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 energy10 minutes agoJul 30, 2025 09:20 GMT / Jul 30, 2025 09:20 am (Universal Time)Lat / Lng: -23.93 / -67.55: Antofagasta, ChileSource: EMSCDetail info | You felt it? - Report it!';storedMarkers.push(['quake-22005759',-23.93000,-67.55000,'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 near the epicenter is San Antonio de los Cobres, a town with 4,000 inhabitants in Argentina, in 129 km (80 mi) distance to the east, but it is unlikely that the quake was felt there. DistancePlaceMax. shaking intensity(*)RegionCountry129 km (80 mi)E of epicenterSan Antonio de los Cobres(pop: 4,000)I: Not feltDepartamento de Los Andes, Salta ProvinceArgentina131 km (82 mi)NW of epicenterSan Pedro de Atacama(pop: 2,000)I: Not feltProvincia de El Loa, Region de AntofagastaChile172 km (107 mi)E of epicenterSanta Rosa de Tastil(pop: 2,000)I: Not feltDepartamento de Rosario de Lerma, Salta ProvinceArgentina193 km (120 mi)SE of epicenterCachi(pop: 2,190)I: Not feltSalta ProvinceArgentina207 km (128 mi)NE of epicenterEl Aguilar(pop: 3,660)I: Not feltDepartamento de Humahuaca, Jujuy ProvinceArgentina210 km (130 mi)E of epicenterPurmamarca(pop: 388)I: Not feltDepartamento de Tumbaya, Jujuy ProvinceArgentina214 km (133 mi)NW of epicenterSierra Gorda(pop: 477)I: Not feltProvincia de Antofagasta, Region de AntofagastaChile216 km (134 mi)NW of epicenterCalama(pop: 165,700)I: Not feltProvincia de El Loa, Region de AntofagastaChile222 km (138 mi)SE of epicenterCampo Quijano(pop: 5,000)I: Not feltDepartamento de Rosario de Lerma, Salta ProvinceArgentina223 km (138 mi)E of epicenterTilcara(pop: 5,640)I: Not feltJujuy ProvinceArgentina231 km (143 mi)E of epicenterSan Salvador de Jujuy(pop: 258,000)I: Not feltDepartamento de Doctor Manuel Belgrano, Jujuy ProvinceArgentina232 km (144 mi)NE of epicenterAbra Pampa(pop: 9,430)I: Not feltDepartamento de Cochinoca, Jujuy ProvinceArgentina237 km (147 mi)SE of epicenterSalta(pop: 520,700)I: Not feltDepartamento Capital, Salta ProvinceArgentina237 km (147 mi)S of epicenterAntofagasta de la Sierra(pop: 500)I: Not feltCatamarca ProvinceArgentina239 km (148 mi)E of epicenterHumahuaca(pop: 11,400)I: Not feltJujuy ProvinceArgentina240 km (149 mi)E of epicenterPalpala(pop: 48,200)I: Not feltDepartamento de Palpala, Jujuy ProvinceArgentina243 km (151 mi)W of epicenterBaquedano(pop: 858)I: Not feltProvincia de Antofagasta, Region de AntofagastaChile244 km (152 mi)SE of epicenterEl Carril(pop: 9,780)I: Not feltDepartamento de Chicoana, Salta ProvinceArgentina266 km (165 mi)E of epicenterLa Mendieta(pop: 3,810)I: Not feltDepartamento de San Pedro, Jujuy ProvinceArgentina275 km (171 mi)E of epicenterSan Pedro de Jujuy(pop: 58,400)I: Not feltDepartamento de San Pedro, Jujuy ProvinceArgentina279 km (173 mi)NW of epicenterMaria Elena(pop: 4,900)I: Not feltProvincia de Tocopilla, Region de AntofagastaChile279 km (174 mi)E of epicenterFraile Pintado(pop: 13,700)I: Not feltDepartamento de Ledesma, Jujuy ProvinceArgentina281 km (174 mi)E of epicenterLibertador General San Martin(pop: 49,300)I: Not feltDepartamento de Ledesma, Jujuy ProvinceArgentina285 km (177 mi)NE of epicenterLa Quiaca(pop: 14,800)I: Not feltDepartamento de Yavi, Jujuy ProvinceArgentina286 km (178 mi)SE of epicenterCafayate(pop: 11,800)I: Not feltSalta ProvinceArgentina287 km (178 mi)NE of epicenterVillazon(pop: 30,300)I: Not feltDepartamento de PotosiBolivia291 km (181 mi)W of epicenterAntofagasta(pop: 352,600)I: Not feltRegion de AntofagastaChile325 km (202 mi)NW of epicenterQuillagua(pop: 141)I: Not feltProvincia de Tocopilla, Region de AntofagastaChile334 km (208 mi)NE of epicenterTupiza(pop: 22,200)I: Not feltDepartamento de PotosiBolivia340 km (211 mi)NW of epicenterTocopilla(pop: 24,500)I: Not feltRegion de AntofagastaChile343 km (213 mi)SE of epicenterTrancas(pop: 6,660)I: Not feltTucuman ProvinceArgentina371 km (231 mi)SW of epicenterDiego de Almagro(pop: 18,100): Not feltChanaral, Region de AtacamaChileNotes:(*) 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 GMT2025-07-30EpicenterAgency3.9255 km159 mi09:20:15ANTOFAGASTA, 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 1,100 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 6 or higher: 0.11 quakes per year (or 1 quake every 9.3 years)Mag. 5 or higher: 3.1 quakes per yearMag. 4 or higher: 135 quakes per year (or 11.3 quakes per month)Mag. 3 or higher: 829 quakes per year (or 69 quakes per month)Mag. 2 or higher: 1,000 quakes per year (or 2.9 quakes per day)The area where this quake occurred has a very high level of seismic activity. It has had at least 14 quakes above magnitude 6 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 5 to 10 years.Number of quakes per yearPrevious quakes in the same area of this earthquake