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The quake had a moderate depth of 74 km (46 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 | Region de Atacama | Region de Coquimbo | La Rioja ProvinceHint: Click on the image to see different maps of this quake!Moderate magnitude 4.1 earthquake at 74 km depth15 Aug 20:00 UTC: First to report: EMSC after 3 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeAug 15, 2026 19:57:52 UTC - Local time at epicenterSaturday, Aug 15, 2026, at 07:57 pm (Universal Time GMT +0)Statuspreliminary (automatic detection)Magnitude4.09Depth74 kmEpicenter latitude / longitude28.22°S / 70.88°WHuasco, Region de Atacama, ChileSeismic antipode28.22°N / 109.12°EShaking intensityII Very weak shakingFelt0 reportsPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Nearest volcanoCopiapo (200 km / 124 mi)Estimated seismic energy released8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 tons of TNT) | equivalent to ONE quake of magnitude 4.1 | about seismic energy3 minutes agoAug 15, 2026 19:57 GMT / Aug 15, 2026 07:57 pm (Universal Time)Lat / Lng: -28.22 / -70.88: Atacama, ChileSource: EMSCDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23276429',-28.22000,-70.88000,'3 minutes ago: Mag. 4.1, Atacama, 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 where the quake might have been felt is Vallenar, a town with 45,000 inhabitants in Chile, in 41 km (26 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. In the capital of Chile, Santiago, 583 km (362 mi) away from the epicenter, the earthquake could not be felt.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry38 km (23 mi)SW of epicenterFreirina(pop: 6,040)II: Very weakHuasco, Region de AtacamaChile41 km (26 mi)S of epicenterVallenar(pop: 44,900)II: Very weakHuasco, Region de AtacamaChile43 km (27 mi)SW of epicenterHuasco(pop: 8,980)II: Very weakRegion de AtacamaChile71 km (44 mi)SE of epicenterAlto del Carmen(pop: 5,030)II: Very weakHuasco, Region de AtacamaChile104 km (64 mi)NE of epicenterTierra Amarilla(pop: 12,900)II: Very weakCopiapo, Region de AtacamaChile109 km (68 mi)NE of epicenterCopiapo(pop: 129,300)II: Very weakCopiapo, Region de AtacamaChile109 km (68 mi)NE of epicenterCopiapo(pop: 129,300)II: Very weakCopiapo, Region de AtacamaChile128 km (80 mi)N of epicenterCaldera(pop: 16,200)II: Very weakCopiapo, Region de AtacamaChile147 km (91 mi)S of epicenterLa Higuera(pop: 4,290)II: Very weakProvincia de Elqui, Region de CoquimboChile191 km (119 mi)S of epicenterLa Serena(pop: 154,500)I: Not feltProvincia de Elqui, Region de CoquimboChile198 km (123 mi)S of epicenterCoquimbo(pop: 161,300)I: Not feltProvincia de Elqui, Region de CoquimboChile203 km (126 mi)S of epicenterVicuna(pop: 27,800)I: Not feltProvincia de Elqui, Region de CoquimboChile204 km (127 mi)S of epicenterPaiguano(pop: 4,260)I: Not feltProvincia de Elqui, Region de CoquimboChile220 km (136 mi)N of epicenterDiego de Almagro(pop: 13,900)I: Not feltChanaral, Region de AtacamaChile225 km (140 mi)S of epicenterAndacollo(pop: 11,100)I: Not feltProvincia de Elqui, Region de CoquimboChile267 km (166 mi)S of epicenterOvalle(pop: 77,100)I: Not feltProvincia de Limari, Region de CoquimboChile268 km (167 mi)E of epicenterVinchina(pop: 2,830)I: Not feltLa Rioja ProvinceArgentina275 km (171 mi)S of epicenterMonte Patria(pop: 13,900)I: Not feltProvincia de Limari, Region de CoquimboChile293 km (182 mi)S of epicenterPunitaqui(pop: 10,400)I: Not feltProvincia de Limari, Region de CoquimboChile306 km (190 mi)SE of epicenterSan Jose de Jachal(pop: 21,000)I: Not feltDepartamento de Jachal, San Juan ProvinceArgentina315 km (196 mi)N of epicenterTaltal(pop: 11,100)I: Not feltProvincia de Antofagasta, Region de AntofagastaChile326 km (203 mi)E of epicenterFiambala(pop: 8,060)I: Not feltDepartamento de Tinogasta, Catamarca ProvinceArgentina583 km (362 mi)S of epicenterSantiago(pop: 4,837,300): Not feltSantiago MetropolitanChileNotes:(*) 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 GMT2026-08-15EpicenterAgency4.0974 km46 mi19:57:52ATACAMA, 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 1 km2 (0 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)Aug 15, 2026 07:57 pm (Universal Time)3 minutes ago4.174 km0 km - This quakeAtacama, ChileMain Shock (this quake)MoreMap of aftershocksPrevious quakes in the same area of this earthquake3 minutes agoAug 15, 2026 19:57 GMT / Aug 15, 2026 07:57 pm (Universal Time)Lat / Lng: -28.22 / -70.88: Atacama, ChileSource: EMSCDetail info | You felt it? - Report it!',4.1,41, '#bb202a', 0.9,1.5, '#bb202a', 0.27);map2.addToMap('thisQuake',-28.22,-70.88,'3 minutes ago: Mag. 4.1, Atacama, Chile','Earthquake: Mag 4.1 / 74 km (46 mi) depth3 minutes agoAug 15, 2026 19:57 GMT / Aug 15, 2026 07:57 pm (Universal Time)Lat / Lng: -28.22 / -70.88: Atacama, ChileSource: EMSCDetail info | You felt it? - Report it!','default'); // this will be local to this table obj 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://server2.allquakes.com/api/getPrevious.php?quakeId=23276429","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("sectionPreviousCWrap")||d.getElementById("placeholder_largestQText")||d.getElementById("qTableOlder");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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