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The quake had a very shallow depth of 33 km (21 mi) and was not felt (or at least not reported so).Quake Data | Interactive map | Seismograms | User reports | Aftershocks | Earlier quakes here | Quakes in Mexico | Estado de Chiapas | Estado de Oaxaca | Ciudad de MexicoHint: Click on the image to see different maps of this quake!Moderate magnitude 4.4 earthquake at 33 km depth18 Jul 12:10 UTC: First to report: SSN after 13 minutes.18 Jul 12:15: Now using data updates from EMSCI didn't feel itI felt this quakeEarthquake detailsDate & timeJul 18, 2026 11:57:20 UTC - Local time at epicenterSaturday, Jul 18, 2026, at 05:57 am (GMT -6)StatusconfirmedMagnitude4.40Depth33.1 kmEpicenter latitude / longitude15.236°N / 94.297°WMexicoSeismic antipode15.236°S / 85.703°EShaking intensityIII Weak shaking near epicenterFelt0 reportsPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Nearest volcanoTacana (235 km / 146 mi)Weather at epicenter at time of quakeBroken Clouds 29.2°C (85 F), humidity: 70%, wind: 8 m/s (15 kts) from NEstimated seismic energy released2.5 x 1011 joules (69.8 megawatt hours, equivalent to 60 tons of TNT) | equivalent to ONE quake of magnitude 4.4 | about seismic energy37 minutes agoJul 18, 2026 11:57 GMT / Jul 18, 2026 05:57 am (GMT -6)Lat / Lng: 15.236 / -94.297: Offshore Chiapas, MexicoSource: EMSCOther sources: SSN: 4.4 / 33 kmDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23195676',15.23600,-94.29700,'37 minutes ago: Mag. 4.4, Offshore Chiapas, Mexico',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 MexicoNearby placesThe closest larger town where the quake might have been felt is Manuel Avila Camacho (Ponte Duro), a town with 1,800 inhabitants in Mexico, in 99 km (62 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 Mexico, Mexico City, 693 km (431 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(*)RegionCountry93 km (58 mi)NE of epicenterNuevo Puerto Arista(pop: 13)III: WeakTonala, Estado de ChiapasMexico97 km (60 mi)NE of epicenterDoctor Belisario Dominguez (La Barra)(pop: 1,040)II: Very weakTonala, Estado de ChiapasMexico99 km (62 mi)NE of epicenterManuel Avila Camacho (Ponte Duro)(pop: 1,780)II: Very weakTonala, Estado de ChiapasMexico102 km (63 mi)NE of epicenterParedon(pop: 6,130)II: Very weakTonala, Estado de ChiapasMexico107 km (67 mi)N of epicenterEmiliano Zapata(pop: 3,350)II: Very weakArriaga, Estado de ChiapasMexico109 km (68 mi)NE of epicenterTres Picos(pop: 4,400)II: Very weakTonala, Estado de ChiapasMexico111 km (69 mi)NE of epicenterTonala(pop: 35,300)II: Very weakTonala, Estado de ChiapasMexico112 km (70 mi)NE of epicenterTamaulipas(pop: 1,570)II: Very weakPijijiapan, Estado de ChiapasMexico116 km (72 mi)N of epicenterSan Francisco del Mar Viejo(pop: 4,030)II: Very weakSan Francisco del Mar, Estado de OaxacaMexico118 km (73 mi)N of epicenterChahuites(pop: 10,800)II: Very weakEstado de OaxacaMexico119 km (74 mi)N of epicenterArriaga(pop: 24,400)II: Very weakEstado de ChiapasMexico126 km (78 mi)N of epicenterSan Francisco Ixhuatan(pop: 5,410)II: Very weakSan Francisco Ixhuatan, Estado de OaxacaMexico127 km (79 mi)NE of epicenterPijijiapan(pop: 50,100)II: Very weakEstado de ChiapasMexico128 km (79 mi)N of epicenterEl Espinal(pop: 7,620)II: Very weakEstado de OaxacaMexico130 km (81 mi)N of epicenterLas Amilpas(pop: 8,800)II: Very weakSan Dionisio del Mar, Estado de OaxacaMexico131 km (81 mi)N of epicenterSan Dionisio del Mar(pop: 3,140)II: Very weakEstado de OaxacaMexico131 km (81 mi)NW of epicenterSan Mateo del Mar(pop: 5,730)II: Very weakEstado de OaxacaMexico135 km (84 mi)N of epicenterTierra y Libertad(pop: 2,600)II: Very weakJiquipilas, Estado de ChiapasMexico139 km (86 mi)N of epicenterSanto Domingo Zanatepec(pop: 7,250)II: Very weakEstado de OaxacaMexico142 km (88 mi)NW of epicenterSalina Cruz(pop: 84,400)II: Very weakEstado de OaxacaMexico145 km (90 mi)NW of epicenterAlvaro Obregon(pop: 3,560)II: Very weakHeroica Ciudad de Juchitan de Zaragoza, Estado de OaxacaMexico149 km (92 mi)N of epicenterUnion Hidalgo(pop: 13,700)II: Very weakUnion Hidalgo, Estado de OaxacaMexico151 km (94 mi)E of epicenterMapastepec(pop: 17,900)II: Very weakEstado de ChiapasMexico153 km (95 mi)NE of epicenterVilla Corzo(pop: 10,800)II: Very weakEstado de ChiapasMexico154 km (96 mi)NW of epicenterHeroica Ciudad de Juchitan de Zaragoza(pop: 88,300)II: Very weakHeroica Ciudad de Juchitan de Zaragoza, Estado de OaxacaMexico156 km (97 mi)NE of epicenterVillaflores(pop: 37,200)II: Very weakEstado de ChiapasMexico157 km (97 mi)NW of epicenterHeroica Villa de San Blas Atempa(pop: 12,000)II: Very weakSan Blas Atempa, Estado de OaxacaMexico158 km (98 mi)NE of epicenterSan Pedro Buenavista(pop: 8,390)II: Very weakVilla Corzo, Estado de ChiapasMexico158 km (98 mi)NW of epicenterSanto Domingo Tehuantepec(pop: 67,700)II: Very weakEstado de OaxacaMexico161 km (100 mi)NE of epicenterCristobal Obregon(pop: 4,660)II: Very weakVillaflores, Estado de ChiapasMexico162 km (101 mi)NW of epicenterLa Ventosa(pop: 4,880)II: Very weakHeroica Ciudad de Juchitan de Zaragoza, Estado de OaxacaMexico167 km (104 mi)NE of epicenterRevolucion Mexicana(pop: 7,990)II: Very weakVilla Corzo, Estado de ChiapasMexico168 km (104 mi)NE of epicenterJesus Maria Garza(pop: 6,720)II: Very weakVillaflores, Estado de ChiapasMexico171 km (106 mi)NW of epicenterIxtepec(pop: 25,400)II: Very weakEstado de OaxacaMexico174 km (108 mi)NE of epicenterJiquipilas(pop: 9,890)II: Very weakEstado de ChiapasMexico182 km (113 mi)NW of epicenterSanta Maria Jalapa del Marques(pop: 9,000)II: Very weakSanta Maria Jalapa del Marques, Estado de OaxacaMexico187 km (116 mi)NE of epicenterEl Parral(pop: 10,900)II: Very weakVilla Corzo, Estado de ChiapasMexico201 km (125 mi)NE of epicenterSuchiapa(pop: 16,600)II: Very weakEstado de ChiapasMexico217 km (135 mi)NE of epicenterAcala(pop: 13,900)II: Very weakEstado de ChiapasMexico693 km (431 mi)NW of epicenterMexico City(pop: 12,294,200)I: Not feltCiudad de MexicoMexicoNotes:(*) 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 GMT2026-07-18EpicenterAgency4.433 km21 mi11:57:20OFFSHORE CHIAPAS, MEXICOEMSC (European-Mediterranean Seismological Centre)4.433 km21 mi11:57:20110 km al SUROESTE de TONALA, CHIS0 km (0 mi) epicenter difference with EMSCSSN (Servicio Sismológico Nacional)"; HTMLcontent += ""; mainMap.addToMap("station"+id, lat, lon, title,HTMLcontent); mainMap.map.panTo([lat,lon]); document.getElementById("map_canvas").scrollIntoView();}]]>SeismogramsSeismic station: COMITAN (CCIG/MX network) | Distance from quake: 259 km / 161 mi | Show on map | Station InfoSeismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.2-5.0 Hz. Source: NSF SAGE Facility IRISWS timeseriesplot Web ServiceSeismic station: TLAPA (TLIG/MX network) | Distance from quake: 524 km / 325 mi | Show on map | Station InfoShow moreAftershocks 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 3 km2 (1 square miles) as a first-order estimate. The length of the rupture zone thus was probably around 3 km (2 mi).[More info]Recorded aftershocks, latest first (0 quake)Jul 18, 2026 05:57 am (GMT -6)37 minutes ago4.433 km0 km - This quakeNorth Pacific Ocean, 142 km SE of Salina Cruz, Estado de Oaxaca, MexicoMain Shock (this quake)MoreMap of aftershocksPrevious quakes in the same area of this earthquake37 minutes agoJul 18, 2026 11:57 GMT / Jul 18, 2026 05:57 am (GMT -6)Lat / Lng: 15.236 / -94.297: Offshore Chiapas, MexicoSource: EMSCOther sources: SSN: 4.4 / 33 kmDetail info | You felt it? - Report it!',4.4,44, '#bb202a', 0.9,1.5, '#bb202a', 0.27);map2.addToMap('thisQuake',15.236,-94.297,'37 minutes ago: Mag. 4.4, Offshore Chiapas, Mexico','Earthquake: Mag 4.4 / 33 km (21 mi) depth37 minutes agoJul 18, 2026 11:57 GMT / Jul 18, 2026 05:57 am (GMT -6)Lat / Lng: 15.236 / -94.297: Offshore Chiapas, MexicoSource: EMSCOther sources: SSN: 4.4 / 33 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=23195676","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)})();]]>Sources: VolcanoDiscovery / VolcanoAdventures and other sources as noted.Use of material: Most text and images on our websites are owned by us. Re-use is generally not permitted without authorization. Contact us for licensing rights.