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The quake had a moderate depth of 91 km (57 mi) and was not felt (or at least not reported so).Quake Data | Interactive map | User reports | Aftershocks | Earlier quakes here | Quakes in Chile | Region de Valparaiso | Santiago MetropolitanHint: Click on the image to see different maps of this quake!Moderate magnitude 4.1 earthquake at 91 km depth31 Jul 14:07 UTC: First to report: EMSC after 3 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeJul 31, 2026 14:04:28 UTC - Local time at epicenterFriday, Jul 31, 2026, at 10:04 am (America/Santiago GMT -4)StatusconfirmedMagnitude4.09Depth91 kmEpicenter latitude / longitude32.59°S / 70.59°WSan Felipe de Aconcagua, Region de Valparaiso, ChileAlso near: Argentina 39 km (24 mi) awaySeismic antipode32.59°N / 109.41°EChinaShaking intensityII Very weak shakingFelt0 reportsPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Nearest volcanoTupungato (115 km / 71 mi)Weather at epicenter at time of quakeModerate Rain 4.4°C (40 F), humidity: 97%, wind: 2 m/s (5 kts) from WNWEstimated 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 energy4 minutes agoJul 31, 2026 14:04 GMT / Jul 31, 2026 10:04 am (Santiago time)Lat / Lng: -32.59 / -70.59: Valparaiso, ChileSource: EMSCOther sources: CSN: 4.1 / 91 kmDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23232113',-32.59000,-70.59000,'4 minutes ago: Mag. 4.1, Valparaiso, 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 Colina, a city with more than 150,000 inhabitants in Chile, in 69 km (43 mi) distance south of the epicenter. People likely experienced very weak shaking there. Many smaller towns and villages are located closer to the epicenter and might have experienced stronger shaking. In the capital of Chile, Santiago, 97 km (60 mi) away from the epicenter, the earthquake was probably felt as very weak shaking.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry13 km (8 mi)W of epicenterPutaendo(pop: 15,400)II: Very weakSan Felipe de Aconcagua, Region de ValparaisoChile22 km (14 mi)SW of epicenterSan Felipe(pop: 59,300)II: Very weakRegion de ValparaisoChile23 km (14 mi)S of epicenterSan Esteban(pop: 17,100)II: Very weakLos Andes, Region de ValparaisoChile27 km (17 mi)S of epicenterLos Andes(pop: 63,000)II: Very weakRegion de ValparaisoChile30 km (18 mi)S of epicenterCalle Larga(pop: 13,400)II: Very weakLos Andes, Region de ValparaisoChile31 km (19 mi)SW of epicenterPanquehue(pop: 6,840)II: Very weakSan Felipe de Aconcagua, Region de ValparaisoChile42 km (26 mi)W of epicenterCatemu(pop: 13,300)II: Very weakSan Felipe de Aconcagua, Region de ValparaisoChile44 km (27 mi)SW of epicenterLlaillay(pop: 22,700)II: Very weakSan Felipe de Aconcagua, Region de ValparaisoChile49 km (30 mi)W of epicenterCabildo(pop: 19,300)II: Very weakPetorca, Region de ValparaisoChile61 km (38 mi)W of epicenterLa Calera(pop: 50,200)II: Very weakQuillota, Region de ValparaisoChile62 km (39 mi)W of epicenterLa Ligua(pop: 32,100)II: Very weakPetorca, Region de ValparaisoChile62 km (39 mi)W of epicenterHacienda La Calera(pop: 49,100)II: Very weakQuillota, Region de ValparaisoChile63 km (39 mi)SW of epicenterTiltil(pop: 19,300)II: Very weakChacabuco, Santiago MetropolitanChile65 km (40 mi)SW of epicenterLa Cruz(pop: 17,300)II: Very weakQuillota, Region de ValparaisoChile69 km (43 mi)S of epicenterColina(pop: 146,200)II: Very weakChacabuco, Santiago MetropolitanChile70 km (43 mi)SW of epicenterQuillota(pop: 67,800)II: Very weakRegion de ValparaisoChile77 km (48 mi)S of epicenterChicureo Abajo(pop: 18,000)II: Very weakChacabuco, Santiago MetropolitanChile78 km (49 mi)SW of epicenterLimache(pop: 46,100)II: Very weakMarga Marga, Region de ValparaisoChile82 km (51 mi)S of epicenterLampa(pop: 102,200)II: Very weakChacabuco, Santiago MetropolitanChile87 km (54 mi)S of epicenterQuilicura(pop: 210,400)II: Very weakSantiago, Santiago MetropolitanChile89 km (55 mi)SW of epicenterVilla Alemana(pop: 97,300)II: Very weakMarga Marga, Region de ValparaisoChile91 km (56 mi)W of epicenterQuintero(pop: 31,900)II: Very weakValparaiso, Region de ValparaisoChile91 km (57 mi)S of epicenterRenca(pop: 147,200)II: Very weakSantiago, Santiago MetropolitanChile94 km (59 mi)SW of epicenterConcon(pop: 42,200)II: Very weakValparaiso, Region de ValparaisoChile95 km (59 mi)SW of epicenterQuilpue(pop: 130,300)II: Very weakMarga Marga, Region de ValparaisoChile96 km (60 mi)S of epicenterLo Prado(pop: 104,300)II: Very weakSantiago, Santiago MetropolitanChile97 km (60 mi)S of epicenterSantiago(pop: 4,837,300)II: Very weakSantiago MetropolitanChile98 km (61 mi)S of epicenterPenalolen(pop: 241,600)II: Very weakSantiago, Santiago MetropolitanChile102 km (63 mi)SW of epicenterVina del Mar(pop: 334,200)II: Very weakValparaiso, Region de ValparaisoChile104 km (65 mi)S of epicenterMaipu(pop: 503,600)II: Very weakSantiago, Santiago MetropolitanChile109 km (68 mi)SW of epicenterValparaiso(pop: 282,400)II: Very weakValparaiso, Region de ValparaisoChile109 km (68 mi)SW of epicenterValparaiso(pop: 282,400)II: Very weakValparaiso, Region de ValparaisoChile111 km (69 mi)S of epicenterLa Pintana(pop: 201,200)II: Very weakSantiago, Santiago MetropolitanChile111 km (69 mi)S of epicenterPadre Hurtado(pop: 63,300)II: Very weakTalagante, Santiago MetropolitanChile111 km (69 mi)SW of epicenterCasablanca(pop: 24,500)II: Very weakValparaiso, Region de ValparaisoChile112 km (70 mi)S of epicenterSan Bernardo(pop: 249,900)II: Very weakMaipo, Santiago MetropolitanChile114 km (71 mi)S of epicenterPuente Alto(pop: 568,100)II: Very weakCordillera, Santiago MetropolitanChile116 km (72 mi)S of epicenterPenaflor(pop: 65,500)II: Very weakTalagante, Santiago MetropolitanChile128 km (79 mi)S of epicenterBuin(pop: 63,400)II: Very weakMaipo, Santiago MetropolitanChile147 km (91 mi)SW of epicenterSan Antonio(pop: 87,700)II: Very weakRegion de ValparaisoChileNotes:(*) 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 GMT2026-07-31EpicenterAgency4.0991 km57 mi14:04:28VALPARAISO, CHILEEMSC (European-Mediterranean Seismological Centre)4.191 km57 mi14:04:2827 km al N de Los Andes0.5 km (0.3 mi) epicenter difference with EMSCCSN (National Seismological Center (Centro Sismológico Nacional))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)Jul 31, 2026 10:04 am (Santiago)4 minutes ago4.191 km0 km - This quake22 km NE of San Felipe, San Felipe de Aconcagua, Region de Valparaiso, ChileMain Shock (this quake)MoreMap of aftershocksPrevious quakes in the same area of this earthquake4 minutes agoJul 31, 2026 14:04 GMT / Jul 31, 2026 10:04 am (Santiago time)Lat / Lng: -32.59 / -70.59: Valparaiso, ChileSource: EMSCOther sources: CSN: 4.1 / 91 kmDetail info | You felt it? - Report it!',4.1,41, '#bb202a', 0.9,1.5, '#bb202a', 0.27);map2.addToMap('thisQuake',-32.59,-70.59,'4 minutes ago: Mag. 4.1, Valparaiso, Chile','Earthquake: Mag 4.1 / 91 km (57 mi) depth4 minutes agoJul 31, 2026 14:04 GMT / Jul 31, 2026 10:04 am (Santiago time)Lat / Lng: -32.59 / -70.59: Valparaiso, ChileSource: EMSCOther sources: CSN: 4.1 / 91 kmDetail 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=23232113","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)})();]]>