")}e.setAttribute("data-distAdded",1)}}async filterEQ(e){if(document,this.magFilter=e,this.currMag){var s=Math.max(e,this.currMag.getAttribute("data-baseVal"));if(this.currMag.innerText=s.toString(),this.magFilterBtns){let a=this.magFilterBtns.getElementsByClassName("magFilter");for(i=0;isetTimeout(e,1e3))),e!=this.distFilter){if(this.distFilter=e,this.currDistInfoKm&&(this.currDistInfoKm.innerText=e),this.currDistInfoMi&&(this.currDistInfoMi.innerText=Math.round(.62137*e)),e>this.currentMaxDist)return this.loadNewQuakes(500);this.applyFilters()}}async filterByAge(e){if(this.ageFilter=e,this.ageFilterBtns){let s=this.ageFilterBtns.getElementsByClassName("ageFilter");for(var a=0;a0&&(e.getAttribute("data-mag")&&parseFloat(e.getAttribute("data-mag"))3&&e.getAttribute("data-mag")&&parseInt(e.getAttribute("data-ea"))>0))return!1;if(this.ageFilter>0){if(this.referenceTime){if(e.getAttribute("data-time")&&this.referenceTime-parseInt(e.getAttribute("data-time"))>this.ageFilter)return!1}else if(e.getAttribute("data-time")&&s-parseInt(e.getAttribute("data-time"))>this.ageFilter)return!1}if(this.statusFilter&&e.getAttribute("data-ea")&&parseInt(e.getAttribute("data-ea"))>0)return!1;if(this.distFilter>0){if(e.getAttribute("data-dist")&&parseFloat(e.getAttribute("data-dist"))>this.distFilter)return!1;if(500==this.distFilter&&e.getAttribute("data-dist")&&e.getAttribute("data-mag")){let a=parseFloat(e.getAttribute("data-mag")),l=parseFloat(e.getAttribute("data-dist"));if(a25||a50||a100||a200||a250||a300||l>500)return!1}}return!("time"!=this.sortBy&&e.classList.contains("tSpc"))}async applyFilters(e){var e=e||0;e||!this.loadMoreUrl||this.hasLoadedAll||(this.loadMoreRows(),await new Promise(e=>setTimeout(e,500)));let s=document,a=this.table.rows,l=0,r=Math.floor(Date.now()/1e3);for(let n=1;nsetTimeout(e,20)))}}let h=a.getElementsByClassName("aStr");nowUTC=Math.floor(Date.now()/1e3);for(let u=0;usetTimeout(e,1e3))),await new Promise(e=>setTimeout(e,200));let s=this.table,a=Array.from(s.querySelectorAll(":scope > tbody > tr"));a.shift();let l="desc",r=e==this.sortBy;for(let n of(r&&"desc"==this.sortDir&&(l="asc"),this.sortBy=e,this.sortDir=l,a.sort((s,a)=>{if("time"==e){let r=parseInt(s.getAttribute("data-time")),n=parseInt(a.getAttribute("data-time"));return"asc"==l?r-n:n-r}if("dep"==e){let o=parseInt(s.getAttribute("data-dep")),d=parseInt(a.getAttribute("data-dep"));return"asc"==l?o-d:d-o}let h=parseFloat(s.getAttribute("data-mag"));isNaN(h)&&(h=0);let u=parseFloat(a.getAttribute("data-mag"));return isNaN(u)&&(u=0),"asc"==l?h-u:u-h}),a))("tSpc"==n.className||1==n.getAttribute("data-ea"))&&("time"==e?n.style.display="":n.style.display="none"),s.tBodies[0].appendChild(n);this.table.rows[0].style.opacity=1,this.isSorting=0,this.applyFilters()}async changeCircleSize(e){let s=this.map;s.circleScale*=e;for(let a=0;atimeAtCurRow?posFound=1:(elToInsertAfter=rows[curRowInd],curRowInd++)}else posFound=1;markThem&&(newTableRow.classList.add("newQuake"),setTimeout(function(){removeMarking(newTableRow)},8e3)),elToInsertAfter.parentNode.insertBefore(newTableRow,elToInsertAfter.nextSibling),elToInsertAfter=rows[curRowInd],curRowInd++,newRows++,"undefined"!=typeof addQuakeToMap?eval(quake.js):setTimeout(function(){eval(quake.js)},100)}return newRows+updated>0&&(this.alternateBg(),"time"==this.sortBy&&"asc"==this.sortDir&&this.sortTable("time")),[newRows,updated]}assignMap(e){this.map=e}}]]>Updated: Oct 4, 2025 20:39 GMT - I felt this quakeA moderate magnitude 3.9 earthquake hit 47 km (29 mi) away from San Jose de Jachal, San Juan Province, Argentina, in the afternoon of Saturday, Oct 4, 2025 at 5.35 pm local time (America/Argentina/San Juan GMT -3). The quake had a moderate depth of 163 km (101 mi) and was not felt (or at least not reported so).Quake Data | Interactive map | User reports | Earlier quakes here | Quakes in Argentina | Quakes in Chile | San Juan Province | Region de Coquimbo | La Rioja ProvinceHint: Click on the image to see different maps of this quake!Light magnitude 3.9 earthquake at 163 km depth4 Oct 20:38 UTC: First to report: EMSC after 3 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeOct 4, 2025 20:35:27 UTC - Local time at epicenterSaturday, Oct 4, 2025, at 05:35 pm (America/Argentina/San Juan GMT -3)Statuspreliminary (automatic detection)Magnitude3.9Depth163 kmEpicenter latitude / longitude30.28°S / 69.23°WDepartamento de Iglesia, San Juan Province, ArgentinaAlso near: Chile 59 km (37 mi) awaySeismic antipode30.28°N / 110.77°EChinaShaking intensityNot feltPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Weather at epicenter at time of quakeClear Sky 23°C (73 F), humidity: 5%, wind: 12 m/s (23 kts) from NWEstimated 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 agoOct 4, 2025 20:35 GMT / Oct 4, 2025 05:35 pm (San Juan time)Lat / Lng: -30.28 / -69.23: San Juan, ArgentinaSource: EMSCDetail info | You felt it? - Report it!';storedMarkers.push(['quake-22239347',-30.28000,-69.23000,'4 minutes ago: Mag. 3.9, San Juan, Argentina',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 ArgentinaNearby placesThe closest larger town near the epicenter is San Jose de Jachal, a town with 21,000 inhabitants in Argentina, in 47 km (29 mi) distance to the east, but it is unlikely that the quake was felt there. DistancePlaceMax. shaking intensity(*)RegionCountry47 km (29 mi)E of epicenterSan Jose de Jachal(pop: 21,000)I: Not feltDepartamento de Jachal, San Juan ProvinceArgentina119 km (74 mi)S of epicenterCalingasta(pop: 8,180)I: Not feltSan Juan ProvinceArgentina145 km (90 mi)SE of epicenterAlbardon(pop: 20,400)I: Not feltDepartamento de Albardon, San Juan ProvinceArgentina145 km (90 mi)W of epicenterVicuna(pop: 13,500)I: Not feltProvincia de Elqui, Region de CoquimboChile146 km (91 mi)SE of epicenterVilla General San Martin(pop: 10,100)I: Not feltDepartamento de San Martin, San Juan ProvinceArgentina149 km (93 mi)S of epicenterVilla Basilio Nievas(pop: 4,040)I: Not feltDepartamento de Zonda, San Juan ProvinceArgentina150 km (93 mi)SE of epicenterVilla Paula de Sarmiento(pop: 19,100)I: Not feltDepartamento de Chimbas, San Juan ProvinceArgentina150 km (93 mi)SE of epicenterChimbas(pop: 73,800)I: Not feltSan Juan ProvinceArgentina155 km (96 mi)SE of epicenterSan Juan(pop: 109,100)I: Not feltDepartamento de Capital, San Juan ProvinceArgentina157 km (97 mi)SE of epicenterSanta Lucia(pop: 43,600)I: Not feltDepartamento de Santa Lucia, San Juan ProvinceArgentina168 km (104 mi)S of epicenterPocito(pop: 41,000)I: Not feltSan Juan ProvinceArgentina172 km (107 mi)W of epicenterMonte Patria(pop: 13,900)I: Not feltProvincia de Limari, Region de CoquimboChile173 km (108 mi)E of epicenterVilla San Agustin(pop: 6,860)I: Not feltValle Fertil, San Juan ProvinceArgentina174 km (108 mi)SE of epicenterNueve de Julio(pop: 7,650)I: Not feltSan Juan ProvinceArgentina177 km (110 mi)SE of epicenterCaucete(pop: 33,600)I: Not feltSan Juan ProvinceArgentina192 km (119 mi)W of epicenterOvalle(pop: 77,100)I: Not feltProvincia de Limari, Region de CoquimboChile196 km (122 mi)NE of epicenterVinchina(pop: 2,830)I: Not feltLa Rioja ProvinceArgentina199 km (123 mi)W of epicenterLa Serena(pop: 154,500)I: Not feltProvincia de Elqui, Region de CoquimboChile206 km (128 mi)W of epicenterCoquimbo(pop: 161,300)I: Not feltProvincia de Elqui, Region de CoquimboChile209 km (130 mi)NE of epicenterChilecito(pop: 42,200)I: Not feltLa Rioja ProvinceArgentina234 km (145 mi)S of epicenterPrimero de Mayo(pop: 1000)I: Not feltDepartamento de Lavalle, Mendoza ProvinceArgentina235 km (146 mi)SW of epicenterSalamanca(pop: 13,300)I: Not feltProvincia de Choapa, Region de CoquimboChile239 km (148 mi)SW of epicenterIllapel(pop: 22,800)I: Not feltProvincia de Choapa, Region de CoquimboChile240 km (149 mi)NE of epicenterVilla Bustos(pop: 2,170)I: Not feltSanagasta, La Rioja ProvinceArgentina241 km (149 mi)NW of epicenterVallenar(pop: 44,900)I: Not feltHuasco, Region de AtacamaChile249 km (155 mi)NE of epicenterLa Rioja(pop: 178,900)I: Not feltCapital, La Rioja ProvinceArgentina280 km (174 mi)E of epicenterChamical(pop: 13,400)I: Not feltLa Rioja ProvinceArgentina295 km (183 mi)NE of epicenterTinogasta(pop: 14,500)I: Not feltCatamarca ProvinceArgentina302 km (188 mi)NE of epicenterArauco(pop: 13,700)I: Not feltLa Rioja ProvinceArgentina307 km (191 mi)SW of epicenterLa Ligua(pop: 24,900)I: Not feltPetorca, Region de ValparaisoChile309 km (192 mi)SW of epicenterSan Felipe(pop: 59,300)I: Not feltRegion de ValparaisoChile336 km (209 mi)SW of epicenterHacienda La Calera(pop: 49,100)I: Not feltQuillota, Region de ValparaisoChile374 km (232 mi)SE of epicenterVilla General Roca(pop: 196)I: Not feltBelgrano, San Luis 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 GMT2025-10-4EpicenterAgency3.9163 km101 mi20:35:27SAN JUAN, ARGENTINAEMSC (European-Mediterranean Seismological Centre)Previous quakes in the same area of this earthquake4 minutes agoOct 4, 2025 20:35 GMT / Oct 4, 2025 05:35 pm (San Juan time)Lat / Lng: -30.28 / -69.23: San Juan, ArgentinaSource: EMSCDetail info | You felt it? - Report it!',3.9,39, '#bb202a', 0.9,1.5, '#bb202a', 0.27);map2.addToMap('thisQuake',-30.28,-69.23,'4 minutes ago: Mag. 3.9, San Juan, Argentina','Earthquake: Mag 3.9 / 163 km (101 mi) depth4 minutes agoOct 4, 2025 20:35 GMT / Oct 4, 2025 05:35 pm (San Juan time)Lat / Lng: -30.28 / -69.23: San Juan, ArgentinaSource: 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)})(); })(); (async function(){while(typeof mkRequest=="undefined")await new Promise(r=>setTimeout(r,500));mkRequest("https://server2.allquakes.com/api/getPrevious.php?quakeId=22239347","get","",function(httpObj){let r=httpObj.responseText,d=document;if(""!=r&&200==httpObj.status){let o=JSON.parse(r);if(!o){d.getElementById("olderQuakesSection").remove();return};let table=d.getElementById("qTableOlder");table.innerHTML+=o.tableRows,qTableOlder.alternateBg(),d.getElementById("placeholder_largestQText").innerHTML=o.html,d.getElementById("sectionPreviousCWrap").style.display="",eval(o.js)}})})();]]>Support 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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