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The quake had a moderate depth of 264 km (164 mi) and was not felt (or at least not reported so).Quake Data | Interactive map | User reports | Aftershocks | Earlier quakes here | Quakes in Chile | Quakes in Argentina | Quakes in Bolivia | Region de Antofagasta | Jujuy Province | Salta ProvinceHint: Click on the image to see different maps of this quake!Moderate magnitude 4.2 earthquake at 264 km depth17 Oct 20:34 UTC: First to report: EMSC after 4 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeOct 17, 2026 20:29:48 UTC - Local time at epicenterSaturday, Oct 17, 2026, at 08:29 pm (Universal Time GMT +0)Statuspreliminary (automatic detection)Magnitude4.20Depth264 kmEpicenter latitude / longitude22.96°S / 67.29°WProvincia de El Loa, Region de Antofagasta, ChileAlso near: Bolivia 12.8 km (8 mi) away | Argentina 18.6 km (12 mi) awaySeismic antipode22.96°N / 112.71°EChinaShaking intensityNot feltPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Nearest volcanoCerro Zapaleri (20 km / 12 mi)Estimated seismic energy released1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 tons of TNT) | equivalent to ONE quake of magnitude 4.2 | about seismic energy5 minutes agoOct 17, 2026 20:29 GMT / Oct 17, 2026 08:29 pm (Universal Time)Lat / Lng: -22.96 / -67.29: Antofagasta, ChileSource: EMSCDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23444680',-22.96000,-67.29000,'5 minutes ago: Mag. 4.2, Antofagasta, Chile',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 ChileNearby placesThe closest larger town near the epicenter is San Pedro de Atacama, a town with 11,000 inhabitants in Chile, in 93 km (58 mi) distance to the west, but it is unlikely that the quake was felt there. DistancePlaceMax. shaking intensity(*)RegionCountry93 km (58 mi)W of epicenterSan Pedro de Atacama(pop: 11,000)I: Not feltProvincia de El Loa, Region de AntofagastaChile106 km (66 mi)SE of epicenterSusques(pop: 1,140)I: Not feltJujuy ProvinceArgentina165 km (103 mi)E of epicenterAbra Pampa(pop: 9,430)I: Not feltDepartamento de Cochinoca, Jujuy ProvinceArgentina167 km (104 mi)E of epicenterEl Aguilar(pop: 3,660)I: Not feltDepartamento de Humahuaca, Jujuy ProvinceArgentina172 km (107 mi)SE of epicenterSan Antonio de los Cobres(pop: 4,000)I: Not feltDepartamento de Los Andes, Salta ProvinceArgentina177 km (110 mi)W of epicenterCalama(pop: 166,300)I: Not feltProvincia de El Loa, Region de AntofagastaChile198 km (123 mi)NE of epicenterLa Quiaca(pop: 14,800)I: Not feltDepartamento de Yavi, Jujuy ProvinceArgentina199 km (124 mi)NE of epicenterVillazon(pop: 30,300)I: Not feltDepartamento de PotosiBolivia201 km (125 mi)E of epicenterHumahuaca(pop: 11,400)I: Not feltJujuy ProvinceArgentina205 km (128 mi)E of epicenterTilcara(pop: 5,640)I: Not feltJujuy ProvinceArgentina208 km (129 mi)W of epicenterSierra Gorda(pop: 1,070)I: Not feltProvincia de Antofagasta, Region de AntofagastaChile215 km (133 mi)SE of epicenterSanta Rosa de Tastil(pop: 2,000)I: Not feltDepartamento de Rosario de Lerma, Salta ProvinceArgentina230 km (143 mi)NE of epicenterPorco(pop: 5,960)I: Not feltDepartamento de PotosiBolivia234 km (145 mi)NE of epicenterTupiza(pop: 22,200)I: Not feltDepartamento de PotosiBolivia245 km (153 mi)SE of epicenterSan Salvador de Jujuy(pop: 258,000)I: Not feltDepartamento de Doctor Manuel Belgrano, Jujuy ProvinceArgentina251 km (156 mi)NE of epicenterAtocha(pop: 1,830)I: Not feltDepartamento de PotosiBolivia253 km (157 mi)W of epicenterMaria Elena(pop: 7,530)I: Not feltProvincia de Tocopilla, Region de AntofagastaChile256 km (159 mi)SE of epicenterPalpala(pop: 48,200)I: Not feltDepartamento de Palpala, Jujuy ProvinceArgentina261 km (162 mi)NE of epicenterSanta Barbara(pop: 2,430)I: Not feltDepartamento de PotosiBolivia266 km (165 mi)SE of epicenterCachi(pop: 2,190)I: Not feltSalta ProvinceArgentina272 km (169 mi)E of epicenterLibertador General San Martin(pop: 49,300)I: Not feltDepartamento de Ledesma, Jujuy ProvinceArgentina274 km (170 mi)SE of epicenterCampo Quijano(pop: 5,000)I: Not feltDepartamento de Rosario de Lerma, Salta ProvinceArgentina276 km (172 mi)SE of epicenterFraile Pintado(pop: 13,700)I: Not feltDepartamento de Ledesma, Jujuy ProvinceArgentina280 km (174 mi)SE of epicenterSalta(pop: 520,700)I: Not feltDepartamento Capital, Salta ProvinceArgentina281 km (174 mi)SE of epicenterLa Mendieta(pop: 3,810)I: Not feltDepartamento de San Pedro, Jujuy ProvinceArgentina282 km (175 mi)N of epicenterUyuni(pop: 10,300)I: Not feltDepartamento de PotosiBolivia285 km (177 mi)SE of epicenterSan Pedro de Jujuy(pop: 58,400)I: Not feltDepartamento de San Pedro, Jujuy ProvinceArgentina289 km (179 mi)E of epicenterCaimancito(pop: 5,400)I: Not feltDepartamento de Ledesma, Jujuy ProvinceArgentina298 km (185 mi)SE of epicenterEl Carril(pop: 9,780)I: Not feltDepartamento de Chicoana, Salta ProvinceArgentina298 km (185 mi)E of epicenterYuto(pop: 7,730)I: Not feltDepartamento de Ledesma, Jujuy ProvinceArgentina298 km (185 mi)N of epicenterColchani(pop: 12,000)I: Not feltDepartamento de PotosiBolivia304 km (189 mi)E of epicenterBermejo(pop: 35,400)I: Not feltDepartamento de TarijaBolivia304 km (189 mi)E of epicenterOrán(pop: 74,100)I: Not feltSalta ProvinceArgentina308 km (191 mi)NE of epicenterTarija(pop: 159,300)I: Not feltDepartamento de TarijaBolivia314 km (195 mi)W of epicenterTocopilla(pop: 25,400)I: Not feltRegion de AntofagastaChile327 km (203 mi)W of epicenterAntofagasta(pop: 401,100)I: Not feltRegion de AntofagastaChile346 km (215 mi)NW of epicenterPica(pop: 9,300)I: Not feltProvincia del Tamarugal, TarapacáChile396 km (246 mi)NW of epicenterPozo Almonte(pop: 16,900)I: Not feltProvincia del Tamarugal, TarapacáChile417 km (259 mi)NW of epicenterAlto Hospicio(pop: 142,100)I: Not feltProvincia de Iquique, TarapacáChile425 km (264 mi)NW of epicenterIquique(pop: 199,600)I: Not feltTarapacáChileNotes:(*) 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 GMT2026-10-17EpicenterAgency4.2264 km164 mi20:29:48ANTOFAGASTA, CHILEEMSC (European-Mediterranean Seismological Centre)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 2 km2 (1 square miles) as a first-order estimate. The length of the rupture zone thus was probably around 2 km (1 mi).[More info]Recorded aftershocks, latest first (0 quake)Oct 17, 2026 08:29 pm (Universal Time)5 minutes ago4.2264 km0 km - This quakeProvincia de El Loa, Region de Antofagasta, ChileMain Shock (this quake)MoreMap of aftershocksPrevious quakes in the same area of this earthquake5 minutes agoOct 17, 2026 20:29 GMT / Oct 17, 2026 08:29 pm (Universal Time)Lat / Lng: -22.96 / -67.29: Antofagasta, ChileSource: EMSCDetail info | You felt it? - Report it!',4.2,42, '#bb202a', 0.9,1.5, '#bb202a', 0.27);map2.addToMap('thisQuake',-22.96,-67.29,'5 minutes ago: Mag. 4.2, Antofagasta, Chile','Earthquake: Mag 4.2 / 264 km (164 mi) depth5 minutes agoOct 17, 2026 20:29 GMT / Oct 17, 2026 08:29 pm (Universal Time)Lat / Lng: -22.96 / -67.29: Antofagasta, ChileSource: EMSCDetail info | You felt it? - Report it!','default'); function putQuakeOnMap(id,lat,lon,time,title,html,mag,zIndex) { qTableOlder.putQuakeOnMap(id,lat,lon,time,title,html,mag,zIndex); } map2.circleScale=0.5;qTableOlder.usePalette=1;qTableOlder.startVal=qTableOlder.referenceTime-(80*365.25*86400);qTableOlder.endVal=qTableOlder.referenceTime; qTableOlder.assignMap(map2); (async function(){await new Promise(r => setTimeout(r,4000));map2.map.setZoom(7)})(); })(); (function(){let done=false;async function loadPrevious(){if(done)return;done=true;while(typeof mkRequest=="undefined")await new Promise(r=>setTimeout(r,500));mkRequest("https://server3.allquakes.com/api/getPrevious.php?quakeId=23444680","get","",function(httpObj){let r=httpObj.responseText,d=document;if(""!=r&&200==httpObj.status){let o=JSON.parse(r);if(!o){let s=d.getElementById("olderQuakesSection");if(s)s.remove();return};let table=d.getElementById("qTableOlder");if(!table)return;table.innerHTML+=o.tableRows,qTableOlder.alternateBg();let ph=d.getElementById("placeholder_largestQText");if(ph)ph.innerHTML=o.html;let wrap=d.getElementById("sectionPreviousCWrap");if(wrap)wrap.style.display="";eval(o.js)}})}let d=document,target=d.getElementById("olderQuakesSection");if(!target||!("IntersectionObserver" in window)){loadPrevious();return}let obs=new IntersectionObserver(function(entries){if(entries.some(e=>e.isIntersecting)){obs.disconnect();loadPrevious()}},{rootMargin:"300px 0px"});obs.observe(target)})();]]>Try our free app!Android | iOS versionSupport Us – Help Us Enhance Our Services!We’re passionate about delivering the latest volcano and earthquake data from around the globe — just for you. 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