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The quake had a moderate depth of 111 km (69 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 Oaxaca | Estado de Veracruz-Llave | Ciudad de MexicoHint: Click on the image to see different maps of this quake!Moderate magnitude 4.0 earthquake at 111 km depth5 Jul 08:42 UTC: First to report: SSN after 22 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeJul 5, 2026 08:20:04 UTC - Local time at epicenterSunday, Jul 5, 2026, at 02:20 am (America/Mexico_City GMT -6)Statuspreliminary (automatic detection)Magnitude4.0Depth111 kmEpicenter latitude / longitude16.901°N / 94.948°WMatias Romero Avendano, Estado de Oaxaca, MexicoSeismic antipode16.901°S / 85.052°EShaking intensityII Very weak shakingFelt0 reportsPrimary data sourceSSN (Servicio Sismológico Nacional)Nearest volcanoSan Martin Pajapan (158 km / 98 mi)Estimated seismic energy released6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 tons of TNT) | equivalent to ONE quake of magnitude 4.0 | about seismic energy22 minutes agoJul 5, 2026 08:20 GMT / Jul 5, 2026 02:20 am (Mexico_City time)Lat / Lng: 16.901 / -94.948: Mexico: 10 km Al NORESTE De MATIAS ROMERO, OAXSource: SSNDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23161229',16.90100,-94.94800,'22 minutes ago: Mag. 4.0, Mexico: 10 km Al NORESTE De MATIAS ROMERO, OAX',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 Barrena, a town with 559 inhabitants in Mexico, in 4.2 km (2.6 mi) distance north of the epicenter. People likely experienced very weak shaking there. In the capital of Mexico, Mexico City, 524 km (325 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(*)RegionCountry4 km (3 mi)N of epicenterBarrena(pop: 559)II: Very weakSanta Maria Petapa, Estado de OaxacaMexico10 km (6 mi)W of epicenterMatias Romero Avendano(pop: 18,900)II: Very weakMatias Romero Avendano, Estado de OaxacaMexico17 km (11 mi)NW of epicenterSan Juan Guichicovi(pop: 4,280)II: Very weakEstado de OaxacaMexico21 km (13 mi)SE of epicenterLazaro Cardenas(pop: 1,380)II: Very weakAsuncion Ixtaltepec, Estado de OaxacaMexico22 km (14 mi)SW of epicenterSanto Domingo Petapa(pop: 5,430)II: Very weakEstado de OaxacaMexico23 km (14 mi)N of epicenterCuauhtemoc(pop: 2,260)II: Very weakMatias Romero Avendano, Estado de OaxacaMexico27 km (17 mi)W of epicenterZacatal(pop: 1,140)II: Very weakSan Juan Guichicovi, Estado de OaxacaMexico28 km (18 mi)E of epicenterSanta Maria Chimalapa(pop: 2,540)II: Very weakSanta Maria Chimalapa, Estado de OaxacaMexico29 km (18 mi)NW of epicenterPalomares(pop: 3,760)II: Very weakMatias Romero Avendano, Estado de OaxacaMexico30 km (18 mi)SE of epicenterSan Miguel Chimalapa(pop: 1,440)II: Very weakEstado de OaxacaMexico38 km (24 mi)N of epicenterDonaji(pop: 2,360)II: Very weakMatias Romero Avendano, Estado de OaxacaMexico39 km (24 mi)S of epicenterLa Ventosa(pop: 4,880)II: Very weakHeroica Ciudad de Juchitan de Zaragoza, Estado de OaxacaMexico39 km (24 mi)S of epicenterLa Venta(pop: 2,160)II: Very weakHeroica Ciudad de Juchitan de Zaragoza, Estado de OaxacaMexico41 km (26 mi)SW of epicenterIxtepec(pop: 25,400)II: Very weakEstado de OaxacaMexico45 km (28 mi)SW of epicenterSantiago Laollaga(pop: 2,550)II: Very weakEstado de OaxacaMexico47 km (29 mi)SW of epicenterSanta Maria Guenagati(pop: 1,490)II: Very weakSanta Maria Guienagati, Estado de OaxacaMexico49 km (31 mi)S of epicenterUnion Hidalgo(pop: 13,700)II: Very weakUnion Hidalgo, Estado de OaxacaMexico52 km (32 mi)SE of epicenterNiltepec(pop: 3,290)II: Very weakEstado de OaxacaMexico53 km (33 mi)S of epicenterHeroica Ciudad de Juchitan de Zaragoza(pop: 88,300)II: Very weakHeroica Ciudad de Juchitan de Zaragoza, Estado de OaxacaMexico55 km (34 mi)W of epicenterSan Juan Mazatlan(pop: 1,790)II: Very weakSan Juan Mazatlan, Estado de OaxacaMexico60 km (37 mi)NW of epicenterLos Angeles(pop: 1,140)II: Very weakMatias Romero Avendano, Estado de OaxacaMexico60 km (37 mi)N of epicenterJesus Carranza(pop: 4,020)II: Very weakJesus Carranza, Estado de Veracruz-LlaveMexico67 km (41 mi)W of epicenterSantiago Lachiguiri(pop: 1,650)II: Very weakEstado de OaxacaMexico67 km (42 mi)S of epicenterSan Dionisio del Mar(pop: 3,140)II: Very weakEstado de OaxacaMexico67 km (42 mi)NE of epicenterPoblado 10(pop: 3,320)II: Very weakUxpanapa, Estado de Veracruz-LlaveMexico69 km (43 mi)S of epicenterAlvaro Obregon(pop: 3,560)II: Very weakHeroica Ciudad de Juchitan de Zaragoza, Estado de OaxacaMexico69 km (43 mi)SE of epicenterLas Amilpas(pop: 8,800)II: Very weakSan Dionisio del Mar, Estado de OaxacaMexico71 km (44 mi)SW of epicenterHeroica Villa de San Blas Atempa(pop: 12,000)II: Very weakSan Blas Atempa, Estado de OaxacaMexico71 km (44 mi)NW of epicenterJaltepec de Candoyoc(pop: 1,770)II: Very weakSan Juan Cotzocon, Estado de OaxacaMexico71 km (44 mi)SW of epicenterSanto Domingo Tehuantepec(pop: 67,700)II: Very weakEstado de OaxacaMexico72 km (45 mi)NW of epicenterEl Porvenir(pop: 1,580)II: Very weakSan Juan Cotzocon, Estado de OaxacaMexico72 km (45 mi)W of epicenterSantiago Ixcuintepec(pop: 1,360)II: Very weakEstado de OaxacaMexico74 km (46 mi)SW of epicenterSanta Maria Jalapa del Marques(pop: 9,000)II: Very weakSanta Maria Jalapa del Marques, Estado de OaxacaMexico77 km (48 mi)S of epicenterSan Mateo del Mar(pop: 5,730)II: Very weakEstado de OaxacaMexico78 km (49 mi)S of epicenterHuazantlan del Rio(pop: 1,510)II: Very weakSan Mateo del Mar, Estado de OaxacaMexico79 km (49 mi)SE of epicenterSan Francisco Ixhuatan(pop: 5,410)II: Very weakSan Francisco Ixhuatan, Estado de OaxacaMexico79 km (49 mi)SE of epicenterSanto Domingo Zanatepec(pop: 7,250)II: Very weakEstado de OaxacaMexico79 km (49 mi)NW of epicenterMaria Lombardo de Caso(pop: 3,860)II: Very weakSan Juan Cotzocon, Estado de OaxacaMexico190 km (118 mi)W of epicenterOaxaca(pop: 255,000)I: Not feltEstado de OaxacaMexico524 km (325 mi)NW of epicenterMexico City(pop: 12,294,200): 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 GMT2026-07-5EpicenterAgency4.0111 km69 mi08:20:0410 km al NORESTE de MATIAS ROMERO, OAXSSN (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: 307 km / 191 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: 391 km / 243 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 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 5, 2026 02:20 am (Mexico_City)22 minutes ago4.0111 km0 km - This quakeMexico: 10 km Al NORESTE De MATIAS ROMERO, OAXMain Shock (this quake)MoreMap of aftershocksEarthquake statisticsAverage number of earthquakesBased on data from the past 26 years and our earthquake archive back to 1900, there are about 1,600 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 6 or higher: 0.09 quakes per year (or 1 quake every 11.5 years)Mag. 5 or higher: 1.34 quakes per yearMag. 4 or higher: 279 quakes per year (or 23.3 quakes per month)Mag. 3 or higher: 1,600 quakes per year (or 4.3 quakes per day)Mag. 2 or higher: 1,600 quakes per year (or 4.3 quakes per day)The area where this quake occurred has a very high level of seismic activity. It has had at least 11 quakes above magnitude 6 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 10 to 15 years.Number of quakes per yearPrevious quakes in the same area of this earthquake',4.0,40, '#bb202a', 0.9,1.5, '#bb202a', 0.27);map2.addToMap('thisQuake',16.901,-94.948,'22 minutes ago: Mag. 4.0, Mexico: 10 km Al NORESTE De MATIAS ROMERO, OAX','','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://server1.allquakes.com/api/getPrevious.php?quakeId=23161229","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)}})})();]]>