Moderate mag. 4.0 earthquake (unconfirmed) - North Pacific Ocean, 177 km southeast of Salina Cruz, Estado de Oaxaca, Mexico, on Tuesday, Sep 16, 2025, at 09:12 pm (GMT -6)

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(Unconfirmed) Moderate magnitude 4.0 earthquake at 9 km depth17 Sep 03:30 UTC: First to report: RaspberryShake after 18 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeSep 17, 2025 03:12:25 UTC - Local time at epicenterWednesday, Sep 17, 2025, at 03:12 am (Universal Time GMT +0)Statusunconfirmed (automatic detection)Magnitude4.0Depth8.5 kmEpicenter latitude / longitude14.869°N / 94.255°WMexicoSeismic antipode14.869°S / 85.745°EShaking intensityIV Light shaking near epicenterFelt0 reportsPrimary data sourceRaspberryShake (RaspberryShake)Nearest volcanoTacana (232 km / 144 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 energy18 minutes agoSep 17, 2025 03:12 GMT / Sep 17, 2025 03:12 am (Universal Time)Lat / Lng: 14.869 / -94.255: Off Coast of Chiapas, MexicoSource: RaspberryShakeDetail info | You felt it? - Report it!';storedMarkers.push(['quake-22174738',14.86900,-94.25500,'18 minutes ago: Mag. 4.0, Off Coast of 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+="&notFelt=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 Isla San José, a town with 100 inhabitants in Mexico, in 125 km (78 mi) distance northeast of the epicenter. People likely experienced very weak shaking there. In the capital of  Mexico, Mexico City, 725 km (450 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(*)RegionCountry125 km (78 mi)NE of epicenterIsla San José(pop: 100)II: Very weakPijijiapan, Estado de ChiapasMexico127 km (79 mi)NE of epicenterManuel Avila Camacho (Ponte Duro)(pop: 1,780)II: Very weakTonala, Estado de ChiapasMexico129 km (80 mi)NE of epicenterCabeza de Toro(pop: 3,410)II: Very weakTonala, Estado de ChiapasMexico132 km (82 mi)NE of epicenterEl Palmarcito(pop: 1,140)II: Very weakPijijiapan, Estado de ChiapasMexico137 km (85 mi)NE of epicenterLa Polka(pop: 965)II: Very weakTonala, Estado de ChiapasMexico137 km (85 mi)NE of epicenterTres Picos(pop: 4,400)II: Very weakTonala, Estado de ChiapasMexico137 km (85 mi)NE of epicenterSan Isidro(pop: 1,630)II: Very weakPijijiapan, Estado de ChiapasMexico138 km (86 mi)N of epicenterParedon(pop: 6,130)II: Very weakTonala, Estado de ChiapasMexico140 km (87 mi)N of epicenterPunta Flor(pop: 931)II: Very weakArriaga, Estado de ChiapasMexico142 km (88 mi)NE of epicenterLas Brisas(pop: 1,720)II: Very weakPijijiapan, Estado de ChiapasMexico144 km (90 mi)NE of epicenterPijijiapan(pop: 16,900)II: Very weakEstado de ChiapasMexico146 km (91 mi)N of epicenterTonala(pop: 35,300)II: Very weakTonala, Estado de ChiapasMexico147 km (91 mi)N of epicenterEmiliano Zapata(pop: 3,350)II: Very weakArriaga, Estado de ChiapasMexico154 km (96 mi)NE of epicenterHermenegildo Galeana(pop: 1,160)II: Very weakPijijiapan, Estado de ChiapasMexico157 km (97 mi)N of epicenterArriaga(pop: 24,400)II: Very weakEstado de ChiapasMexico157 km (98 mi)N of epicenterSan Francisco del Mar Viejo(pop: 4,030)II: Very weakSan Francisco del Mar, Estado de OaxacaMexico157 km (98 mi)N of epicenterRincon de Juarez(pop: 941)II: Very weakSan Pedro Tapanatepec, Estado de OaxacaMexico158 km (98 mi)N of epicenterChahuites(pop: 10,800)II: Very weakEstado de OaxacaMexico158 km (98 mi)NE of epicenterMapastepec(pop: 17,900)II: Very weakEstado de ChiapasMexico161 km (100 mi)N of epicenterLazaro Cardenas(pop: 1,170)II: Very weakArriaga, Estado de ChiapasMexico163 km (101 mi)NE of epicenterMonterrey(pop: 1,090)II: Very weakVilla Corzo, Estado de ChiapasMexico167 km (104 mi)E of epicenterEl Consuelo Ulapa(pop: 1,940)II: Very weakAcapetahua, Estado de ChiapasMexico168 km (105 mi)NW of epicenterSan Mateo del Mar(pop: 5,730)II: Very weakEstado de OaxacaMexico177 km (110 mi)NW of epicenterSalina Cruz(pop: 76,600)II: Very weakEstado de OaxacaMexico179 km (111 mi)NE of epicenterEl Ramal (Porvenir)(pop: 1,050)II: Very weakLa Concordia, Estado de ChiapasMexico181 km (112 mi)NE of epicenterVilla Corzo(pop: 10,800)II: Very weakEstado de ChiapasMexico182 km (113 mi)NE of epicenterSan Pedro Buenavista(pop: 8,390)I: Not feltVilla Corzo, Estado de ChiapasMexico182 km (113 mi)NW of epicenterAlvaro Obregon(pop: 3,560)I: Not feltHeroica de Juchitan de Zaragoza, Estado de OaxacaMexico182 km (113 mi)NW of epicenterEl Morro(pop: 2,630)I: Not feltSanto Domingo Tehuantepec, Estado de OaxacaMexico185 km (115 mi)NE of epicenterVillaflores(pop: 37,200)I: Not feltEstado de ChiapasMexico189 km (118 mi)NE of epicenterNuevo Vicente Guerrero(pop: 2,910)I: Not feltVilla Corzo, Estado de ChiapasMexico189 km (118 mi)NW of epicenterRincon Moreno(pop: 1,020)I: Not feltSanto Domingo Tehuantepec, Estado de OaxacaMexico192 km (119 mi)NE of epicenterRevolucion Mexicana(pop: 7,990)I: Not feltVilla Corzo, Estado de ChiapasMexico195 km (121 mi)NE of epicenterDolores Jaltenango(pop: 2,090)I: Not feltLa Concordia, Estado de ChiapasMexico197 km (122 mi)NW of epicenterSantiago Astata(pop: 2,210)I: Not feltEstado de OaxacaMexico198 km (123 mi)NE of epicenterVilla Hidalgo(pop: 2,500)I: Not feltVillaflores, Estado de ChiapasMexico202 km (125 mi)NE of epicenterBenito Juarez(pop: 2,720)I: Not feltLa Concordia, Estado de ChiapasMexico202 km (126 mi)NE of epicenterDiamante de Echeverria(pop: 2,160)I: Not feltLa Concordia, Estado de ChiapasMexico210 km (130 mi)NE of epicenterJerico(pop: 2,470)I: Not feltVilla Corzo, Estado de ChiapasMexico725 km (450 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!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 GMT2025-09-17EpicenterAgency4.08.5 km5.3 mi03:12:25Off Coast of Chiapas, MexicoRaspberryShake (RaspberryShake)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)Sep 17, 2025 03:12 am (Universal Time)18 minutes ago4.08.5 km0 km - This quakeOff Coast of Chiapas, MexicoMain Shock (this quake)MoreMap of aftershocksEarthquake statisticsAverage number of earthquakesBased on data from the past 25 years and our earthquake archive back to 1900, there are about 888 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 6 or higher: 0.13 quakes per year (or 1 quake every 7.8 years)Mag. 5 or higher: 3.2 quakes per yearMag. 4 or higher: 268 quakes per year (or 22.4 quakes per month)Mag. 3 or higher: 886 quakes per year (or 74 quakes per month)Mag. 2 or higher: 886 quakes per year (or 74 quakes per month)The area where this quake occurred has a very high level of seismic activity. It has had at least 16 quakes above magnitude 6 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 5 to 10 years.Number of quakes per yearPrevious quakes in the same area of this earthquake