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The quake had a very shallow depth of 32 km (20 mi) and was not felt (or at least not reported so).Quake Data | Interactive map | User reports | Earlier quakes here | Quakes in Peru | Quakes in Chile | Departamento de Moquegua | Tacna | ArequipaHint: Click on the image to see different maps of this quake!Light magnitude 3.9 earthquake at 32 km depth1 Oct 23:41 UTC: First to report: RaspberryShake after 6 minutes.1 Oct 23:43: Now using data updates from EMSCI didn't feel itI felt this quakeEarthquake detailsDate & timeOct 1, 2026 23:35:03 UTC - Local time at epicenterThursday, Oct 1, 2026, at 06:35 pm (GMT -5)StatusconfirmedMagnitude3.90Depth32 kmEpicenter latitude / longitude18.03°S / 71.53°WPeruSeismic antipode18.03°N / 108.47°EChinaShaking intensityIII Weak shaking near epicenterFelt0 reportsPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Nearest volcanoTutupaca (166 km / 103 mi)Weather at epicenter at time of quakeClear Sky 19.1°C (66 F), humidity: 79%, wind: 2 m/s (5 kts) from SEEstimated 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 agoOct 1, 2026 23:35 GMT / Oct 1, 2026 06:35 pm (GMT -5)Lat / Lng: -18.03 / -71.53: Peru: Off Coast OF Tarapaca, ChileSource: EMSCOther sources: RaspberryShake: 3.9 / 32 kmDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23404507',-18.03000,-71.53000,'10 minutes ago: Mag. 3.9, Peru: Off Coast OF Tarapaca, 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 PeruNearby placesThe closest larger town where the quake might have been felt is Ilo, a town with 53,000 inhabitants in Peru, in 49 km (30 mi) distance northeast 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 Peru, Lima, 890 km (553 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(*)RegionCountry47 km (29 mi)NE of epicenterPacocha(pop: 7,590)II: Very weakProvincia de Ilo, Departamento de MoqueguaPeru49 km (30 mi)NE of epicenterIlo(pop: 53,500)II: Very weakDepartamento de MoqueguaPeru63 km (39 mi)E of epicenterIte(pop: 998)II: Very weakJorge Basadre, TacnaPeru85 km (53 mi)E of epicenterVila Vila(pop: 474)II: Very weakTacna, TacnaPeru94 km (58 mi)NE of epicenterLocumba(pop: 993)II: Very weakJorge Basadre, TacnaPeru95 km (59 mi)E of epicenterEl Huayco(pop: 30)II: Very weakTacna, TacnaPeru99 km (62 mi)N of epicenterPunta de Bombon(pop: 6,340)II: Very weakIslay, ArequipaPeru100 km (62 mi)NE of epicenterChamac(pop: 47)II: Very weakProvincia de Mariscal Nieto, Departamento de MoqueguaPeru102 km (64 mi)NE of epicenterChironta(pop: 34)II: Very weakJorge Basadre, TacnaPeru104 km (65 mi)E of epicenterLas Yaras(pop: 585)II: Very weakTacna, TacnaPeru108 km (67 mi)N of epicenterCocachacra(pop: 8,800)II: Very weakIslay, ArequipaPeru109 km (68 mi)E of epicenterLos Olivos(pop: 484)II: Very weakTacna, TacnaPeru111 km (69 mi)N of epicenterMejia(pop: 683)II: Very weakIslay, ArequipaPeru111 km (69 mi)NE of epicenterSan Antonio(pop: 15,600)II: Very weakProvincia de Mariscal Nieto, Departamento de MoqueguaPeru112 km (70 mi)NE of epicenterOconchay(pop: 99)II: Very weakJorge Basadre, TacnaPeru112 km (70 mi)NE of epicenterMoquegua(pop: 69,900)II: Very weakProvincia de Mariscal Nieto, Departamento de MoqueguaPeru112 km (70 mi)E of epicenterSama Grande(pop: 826)II: Very weakTacna, TacnaPeru114 km (71 mi)NE of epicenterCaoña(pop: 12)II: Very weakJorge Basadre, TacnaPeru117 km (72 mi)N of epicenterEl Toro(pop: 206)II: Very weakIslay, ArequipaPeru119 km (74 mi)E of epicenterYarascay(pop: 109)II: Very weakTacna, TacnaPeru119 km (74 mi)E of epicenterLos Palos(pop: 207)II: Very weakTacna, TacnaPeru123 km (77 mi)NW of epicenterMollendo(pop: 29,000)II: Very weakIslay, ArequipaPeru127 km (79 mi)NE of epicenterIlabaya(pop: 9,490)II: Very weakJorge Basadre, TacnaPeru129 km (80 mi)NE of epicenterTorata(pop: 7,050)II: Very weakProvincia de Mariscal Nieto, Departamento de MoqueguaPeru135 km (84 mi)E of epicenterTacna(pop: 286,200)II: Very weakTacnaPeru136 km (84 mi)NE of epicenterTala(pop: 85)II: Very weakProvincia de Mariscal Nieto, Departamento de MoqueguaPeru139 km (86 mi)E of epicenterArica(pop: 241,700)II: Very weakRegion de Arica y ParinacotaChile142 km (88 mi)NE of epicenterTotorales(pop: 1,980)II: Very weakCandarave, TacnaPeru143 km (89 mi)N of epicenterCarrizal(pop: 97)II: Very weakProvincia de General Sanchez Cerro, Departamento de MoqueguaPeru148 km (92 mi)NE of epicenterEstupe(pop: 11)II: Very weakProvincia de Mariscal Nieto, Departamento de MoqueguaPeru149 km (92 mi)NE of epicenterCairani(pop: 604)II: Very weakCandarave, TacnaPeru151 km (94 mi)NE of epicenterChipispaya(pop: 1,930)II: Very weakTarata, TacnaPeru152 km (94 mi)NE of epicenterAsana(pop: 50)II: Very weakProvincia de Mariscal Nieto, Departamento de MoqueguaPeru152 km (94 mi)NE of epicenterCampaya(pop: 13)II: Very weakProvincia de General Sanchez Cerro, Departamento de MoqueguaPeru156 km (97 mi)NE of epicenterQuilahuani(pop: 3,180)II: Very weakCandarave, TacnaPeru158 km (98 mi)NE of epicenterPujocucho(pop: 4,120)I: Not feltCandarave, TacnaPeru162 km (101 mi)NE of epicenterCarumas(pop: 923)I: Not feltProvincia de Mariscal Nieto, Departamento de MoqueguaPeru185 km (115 mi)NE of epicenterCallapa(pop: 11)I: Not feltCandarave, TacnaPeru890 km (553 mi)NW of epicenterLima(pop: 7,737,000): Not feltLima ProvincePeruNotes:(*) 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 GMT2026-10-1EpicenterAgency3.932 km20 mi23:35:03OFF COAST OF TARAPACA, CHILEEMSC (European-Mediterranean Seismological Centre)3.932 km20 mi23:35:03Off Coast of Northern Chile0 km (0 mi) epicenter difference with EMSCRaspberryShake (RaspberryShake)Previous quakes in the same area of this earthquake10 minutes agoOct 1, 2026 23:35 GMT / Oct 1, 2026 06:35 pm (GMT -5)Lat / Lng: -18.03 / -71.53: Peru: Off Coast OF Tarapaca, ChileSource: EMSCOther sources: RaspberryShake: 3.9 / 32 kmDetail info | You felt it? - Report it!',3.9,39, '#bb202a', 0.9,1.5, '#bb202a', 0.27);map2.addToMap('thisQuake',-18.03,-71.53,'10 minutes ago: Mag. 3.9, Peru: Off Coast OF Tarapaca, Chile','Earthquake: Mag 3.9 / 32 km (20 mi) depth10 minutes agoOct 1, 2026 23:35 GMT / Oct 1, 2026 06:35 pm (GMT -5)Lat / Lng: -18.03 / -71.53: Peru: Off Coast OF Tarapaca, ChileSource: EMSCOther sources: RaspberryShake: 3.9 / 32 kmDetail 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://server2.allquakes.com/api/getPrevious.php?quakeId=23404507","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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