Moderate mag. 4.1 earthquake - Mexico: 26 km Al NOROESTE De RIO GRANDE, OAX, on Thursday, Jul 16, 2026, at 10:14 pm (Mexico_City time)

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The quake had a very shallow depth of 11.6 km (7 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 Guerrero | Ciudad de MexicoHint: Click on the image to see different maps of this quake!Moderate magnitude 4.1 earthquake at 12 km depth17 Jul 04:30 UTC: First to report: SSN after 16 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeJul 17, 2026 04:14:05 UTC - Local time at epicenterThursday, Jul 16, 2026, at 10:14 pm (America/Mexico_City GMT -6)Statuspreliminary (automatic detection)Magnitude4.1Depth11.6 kmEpicenter latitude / longitude16.202°N / 97.579°WVilla de Tututepec de Melchor Ocampo, Estado de Oaxaca, MexicoSeismic antipode16.202°S / 82.421°EShaking intensityIV Light shaking near epicenterFelt0 reportsPrimary data sourceSSN (Servicio Sismológico Nacional)Estimated seismic energy released8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 tons of TNT) | equivalent to ONE quake of magnitude 4.1 | about seismic energy16 minutes agoJul 17, 2026 04:14 GMT / Jul 16, 2026 10:14 pm (Mexico_City time)Lat / Lng: 16.202 / -97.579: Mexico: 26 km Al NOROESTE De RIO GRANDE, OAXSource: SSNDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23192162',16.20200,-97.57900,'16 minutes ago: Mag. 4.1, Mexico: 26 km Al NOROESTE De RIO GRANDE, 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+="&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 Puerto Escondido, a town with 30,000 inhabitants in Mexico, in 66 km (41 mi) distance southeast of the epicenter. People likely experienced weak shaking there. Many smaller towns and villages are located closer to the epicenter and might have experienced stronger shaking. In the capital of  Mexico, Mexico City, 395 km (245 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(*)RegionCountry6 km (3 mi)SE of epicenterSanta Ana Tututepec(pop: 609)IV: LightVilla de Tututepec de Melchor Ocampo, Estado de OaxacaMexico10 km (6 mi)S of epicenterLa Luz(pop: 2,440)IV: LightVilla de Tututepec de Melchor Ocampo, Estado de OaxacaMexico12 km (8 mi)N of epicenterTataltepec de Valdes(pop: 2,270)IV: LightTataltepec de Valdes, Estado de OaxacaMexico17 km (11 mi)SE of epicenterSantiago Jocotepec(pop: 1,770)IV: LightVilla de Tututepec de Melchor Ocampo, Estado de OaxacaMexico17 km (11 mi)SW of epicenterSan Jose del Progreso(pop: 4,110)IV: LightVilla de Tututepec de Melchor Ocampo, Estado de OaxacaMexico23 km (14 mi)E of epicenterSan Miguel Panixtlahuaca(pop: 5,680)III: WeakEstado de OaxacaMexico26 km (16 mi)SE of epicenterRio Grande(pop: 12,900)III: WeakVilla de Tututepec de Melchor Ocampo, Estado de OaxacaMexico27 km (17 mi)W of epicenterSantiago Jamiltepec(pop: 10,100)III: WeakEstado de OaxacaMexico33 km (21 mi)E of epicenterSantiago Yaitepec(pop: 4,120)III: WeakEstado de OaxacaMexico33 km (21 mi)NW of epicenterSan Agustin Chayuco(pop: 2,000)III: WeakSan Agustin Chayuco, Estado de OaxacaMexico37 km (23 mi)N of epicenterQuinicuena(pop: 1,050)III: WeakSanta Cruz Zenzontepec, Estado de OaxacaMexico37 km (23 mi)W of epicenterJose Maria Morelos(pop: 2,330)III: WeakSanta Maria Huazolotitlan, Estado de OaxacaMexico39 km (24 mi)W of epicenterSan Andres Huaxpaltepec(pop: 4,150)III: WeakSan Andres Huaxpaltepec, Estado de OaxacaMexico41 km (26 mi)N of epicenterSantiago Ixtayutla(pop: 1,900)III: WeakEstado de OaxacaMexico48 km (30 mi)E of epicenterSantos Reyes Nopala(pop: 5,200)III: WeakEstado de OaxacaMexico49 km (31 mi)NW of epicenterPinotepa de Don Luis(pop: 5,690)III: WeakEstado de OaxacaMexico50 km (31 mi)N of epicenterSantiago Amoltepec(pop: 1,260)III: WeakEstado de OaxacaMexico53 km (33 mi)W of epicenterPinotepa Nacional(pop: 29,600)III: WeakEstado de OaxacaMexico55 km (34 mi)E of epicenterSan Pedro Juchaltengo(pop: 1,400)III: WeakSan Pedro Juchatengo, Estado de OaxacaMexico55 km (34 mi)NW of epicenterLa Reforma(pop: 1,360)III: WeakEstado de OaxacaMexico57 km (35 mi)NE of epicenterZaniza(pop: 1,340)III: WeakEstado de OaxacaMexico57 km (36 mi)NE of epicenterSanto Domingo Teojomulco(pop: 2,090)III: WeakEstado de OaxacaMexico64 km (40 mi)NW of epicenterSan Antonio Tepetlapa(pop: 2,620)III: WeakEstado de OaxacaMexico65 km (41 mi)W of epicenterCorralero(pop: 1,740)III: WeakSantiago Pinotepa Nacional, Estado de OaxacaMexico66 km (41 mi)SE of epicenterPuerto Escondido(pop: 29,900)III: WeakSan Pedro Mixtepec -Dto. 22 -, Estado de OaxacaMexico69 km (43 mi)NW of epicenterSan Juan Cabeza del Rio(pop: 1,590)II: Very weakSanta Maria Zacatepec, Estado de OaxacaMexico73 km (45 mi)NE of epicenterVilla Sola de Vega(pop: 1,850)II: Very weakEstado de OaxacaMexico74 km (46 mi)W of epicenterEl Ciruelo(pop: 2,220)II: Very weakSantiago Pinotepa Nacional, Estado de OaxacaMexico74 km (46 mi)NW of epicenterSan Pedro Amuzgos(pop: 4,930)II: Very weakEstado de OaxacaMexico75 km (47 mi)N of epicenterSantiago Yosondua(pop: 1,250)II: Very weakSantiago Yosondua, Estado de OaxacaMexico76 km (47 mi)NW of epicenterZacatepec(pop: 4,850)II: Very weakEstado de OaxacaMexico76 km (47 mi)SE of epicenterSanta Maria Colotepec(pop: 1,370)II: Very weakSanta Maria Colotepec, Estado de OaxacaMexico81 km (50 mi)E of epicenterSan Vicente Coatlan(pop: 3,610)II: Very weakSan Vicente Coatlan, Estado de OaxacaMexico82 km (51 mi)NE of epicenterSan Vicente Lachixio(pop: 1,300)II: Very weakSan Vicente Lachixio, Estado de OaxacaMexico82 km (51 mi)NW of epicenterSantiago Llano Grande(pop: 1,880)II: Very weakEstado de OaxacaMexico83 km (52 mi)NW of epicenterHuajintepec(pop: 2,570)II: Very weakOmetepec, Estado de OaxacaMexico95 km (59 mi)NE of epicenterAyoquezco de Aldama(pop: 3,830)II: Very weakEstado de OaxacaMexico97 km (60 mi)NW of epicenterZacoalpan(pop: 4,900)II: Very weakOmetepec, Estado de GuerreroMexico132 km (82 mi)NE of epicenterOaxaca(pop: 255,000)II: Very weakEstado de OaxacaMexico395 km (245 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 GMT2026-07-17EpicenterAgency4.112 km7.2 mi04:14:0526 km al NOROESTE de RIO GRANDE, 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: TLAPA (TLIG/MX network) | Distance from quake: 184 km / 114 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: Unam - Mexico, Mexico (UNM/G network) | Distance from quake: 387 km / 240 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 16, 2026 10:14 pm (Mexico_City)16 minutes ago4.112 km0 km - This quakeMexico: 26 km Al NOROESTE De RIO GRANDE, 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 2,100 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 7 or higher: 0.09 quakes per year (or 1 quake every 11.5 years)Mag. 6 or higher: 0.2 quakes per year (or 1 quake every 5.1 years)Mag. 5 or higher: 2.2 quakes per yearMag. 4 or higher: 141 quakes per year (or 11.8 quakes per month)Mag. 3 or higher: 2,100 quakes per year (or 5.6 quakes per day)Mag. 2 or higher: 2,100 quakes per year (or 5.8 quakes per day)Mag. 1 or higher: 2,100 quakes per year (or 5.8 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 7 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