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The quake had a very shallow depth of 15 km (9 mi) and was felt by many near the epicenter. The shallow depth of the quake caused it to be felt more strongly near the epicenter than a deeper quake of similar magnitude would.Quake Data | Interactive map | Seismograms | User reports | Aftershocks | Earlier quakes here | Quakes in Costa Rica | Quakes in Nicaragua | Provincia de Guanacaste | Provincia de Puntarenas | Provincia de AlajuelaHint: Click on the image to see different maps of this quake!Strong magnitude 5.6 earthquake at 15 km depth30 Sep 21:57 UTC: First to report: VolcanoDiscovery after 2 minutes.30 Sep 22:00: Now using data updates from INETER... [show all] ...30 Sep 22:02: Now using data updates from EMSC30 Sep 22:03: Magnitude recalculated from 5.7 to 5.6. Epicenter location corrected by 5.6 km (3.5 mi) towards WNW.30 Sep 22:03: Epicenter location corrected by 27 km (17 mi) towards SW.I didn't feel itI felt this quakeEarthquake detailsDate & timeSep 30, 2026 21:55:29 UTC - Local time at epicenterWednesday, Sep 30, 2026, at 09:55 pm (Universal Time GMT +0)StatusconfirmedMagnitude5.60Depth15 kmEpicenter latitude / longitude9.8758°N / 86.5093°WProvincia de San Jose, Costa RicaAlso near: Nicaragua 159 km (99 mi) awaySeismic antipode9.8758°S / 93.4907°EShaking intensityVI Strong shaking near epicenterFelt10 reportsPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Nearest volcanoRincón de la Vieja (167 km / 104 mi)Weather at epicenter at time of quakeModerate Rain 24.6°C (76 F), humidity: 75%, wind: 5 m/s (10 kts) from SSWEstimated seismic energy released1.6 x 1013 joules (4.4 gigawatt hours, equivalent to 3788 tons of TNT or 0.2 atomic bombs!) | equivalent to ONE quake of magnitude 5.6 | about seismic energy11 minutes ago reported feltSep 30, 2026 21:55 GMT / Sep 30, 2026 09:55 pm (Universal Time)Lat / Lng: 9.8758 / -86.5093: Off Coast OF Costa RicaSource: EMSCOther sources: INETER: 5.7 / 8 km, GFZ: 5.6 / 10 kmDetail info | Read user reports | You felt it? - Report it!';storedMarkers.push(['quake-23402071',9.87580,-86.50930,'11 minutes ago: Mag. 5.6, Off Coast OF Costa Rica',html,'quakes-7-24.png',30,30,15,15,126]); 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 Costa RicaNearby placesThe closest larger town where the quake might have been felt is Tamarindo, a town with 6,400 inhabitants in Costa Rica, in 87 km (54 mi) distance northeast of the epicenter. People likely experienced light shaking there. In the capital of Costa Rica, San Jose, 266 km (165 mi) away from the epicenter, the earthquake was probably felt as weak shaking.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry87 km (54 mi)NE of epicenterTamarindo(pop: 6,380)IV: LightSanta Cruz, Provincia de GuanacasteCosta Rica120 km (74 mi)E of epicenterNicoya(pop: 15,300)IV: LightProvincia de GuanacasteCosta Rica144 km (90 mi)NE of epicenterLiberia(pop: 45,400)IV: LightProvincia de GuanacasteCosta Rica166 km (103 mi)E of epicenterCanas(pop: 20,300)III: WeakCanas, Provincia de GuanacasteCosta Rica183 km (114 mi)E of epicenterPuntarenas(pop: 35,700)III: WeakProvincia de PuntarenasCosta Rica190 km (118 mi)E of epicenterChacarita(pop: 26,400)III: WeakPuntarenas, Provincia de PuntarenasCosta Rica192 km (119 mi)NE of epicenterSan José(pop: 31,400)III: WeakUpala, Provincia de AlajuelaCosta Rica202 km (126 mi)E of epicenterEsparza(pop: 15,600)III: WeakProvincia de PuntarenasCosta Rica233 km (145 mi)E of epicenterQuesada(pop: 27,300)III: WeakSan Carlos, Provincia de AlajuelaCosta Rica238 km (148 mi)N of epicenterMasaya(pop: 130,100)III: WeakDepartamento de MasayaNicaragua243 km (151 mi)E of epicenterSan Rafael Abajo(pop: 27,400)III: WeakPuriscal, Provincia de San JoseCosta Rica250 km (155 mi)E of epicenterTejar(pop: 22,400)III: WeakAcosta, Provincia de San JoseCosta Rica252 km (157 mi)E of epicenterAlajuela(pop: 47,500)III: WeakProvincia de AlajuelaCosta Rica253 km (157 mi)N of epicenterManagua(pop: 973,100)III: WeakDepartamento de ManaguaNicaragua260 km (162 mi)E of epicenterSan Rafael(pop: 25,400)III: WeakEscazu, Provincia de San JoseCosta Rica261 km (162 mi)E of epicenterMercedes(pop: 26,000)III: WeakHeredia, Provincia de HerediaCosta Rica261 km (162 mi)E of epicenterSan Francisco(pop: 55,900)III: WeakHeredia, Provincia de HerediaCosta Rica263 km (163 mi)E of epicenterHeredia(pop: 21,900)III: WeakProvincia de HerediaCosta Rica263 km (164 mi)E of epicenterSan Felipe(pop: 25,000)III: WeakAlajuelita, Provincia de San JoseCosta Rica265 km (164 mi)E of epicenterSan Pablo(pop: 21,700)III: WeakProvincia de HerediaCosta Rica265 km (165 mi)E of epicenterAserri(pop: 25,900)III: WeakAserri, Provincia de San JoseCosta Rica266 km (165 mi)E of epicenterSan Jose(pop: 335,000)III: WeakSan Jose, Provincia de San JoseCosta Rica266 km (165 mi)E of epicenterColima(pop: 15,900)III: WeakTibas, Provincia de San JoseCosta Rica266 km (165 mi)E of epicenterSan Juan de Dios(pop: 15,500)III: WeakDesamparados, Provincia de San JoseCosta Rica266 km (166 mi)E of epicenterSan Juan(pop: 26,000)III: WeakTibas, Provincia de San JoseCosta Rica267 km (166 mi)E of epicenterSan Rafael Arriba(pop: 15,100)III: WeakDesamparados, Provincia de San JoseCosta Rica268 km (166 mi)E of epicenterCalle Blancos(pop: 20,700)III: WeakGoicoechea, Provincia de San JoseCosta Rica268 km (167 mi)E of epicenterSan Miguel(pop: 28,800)III: WeakDesamparados, Provincia de San JoseCosta Rica269 km (167 mi)E of epicenterGuadalupe(pop: 26,000)III: WeakGoicoechea, Provincia de San JoseCosta Rica269 km (167 mi)E of epicenterSan Pedro(pop: 27,500)III: WeakMontes de Oca, Provincia de San JoseCosta Rica270 km (168 mi)E of epicenterSan Vicente(pop: 34,400)III: WeakMoravia, Provincia de San JoseCosta Rica270 km (168 mi)E of epicenterSan Vicente de Moravia(pop: 34,400)III: WeakMoravia, Provincia de San JoseCosta Rica270 km (168 mi)E of epicenterSan Vicente(pop: 34,400)III: WeakMoravia, Provincia de San JoseCosta Rica271 km (168 mi)E of epicenterPatarra(pop: 24,000)III: WeakDesamparados, Provincia de San JoseCosta Rica271 km (168 mi)E of epicenterCurridabat(pop: 34,600)III: WeakProvincia de San JoseCosta Rica272 km (169 mi)E of epicenterPurral(pop: 30,000)III: WeakGoicoechea, Provincia de San JoseCosta Rica274 km (170 mi)E of epicenterIpis(pop: 26,700)III: WeakGoicoechea, Provincia de San JoseCosta Rica275 km (171 mi)E of epicenterSan Diego(pop: 17,000)III: WeakLa Union, Provincia de CartagoCosta Rica284 km (176 mi)E of epicenterCartago(pop: 26,600)III: WeakProvincia de CartagoCosta Rica290 km (180 mi)E of epicenterParaiso(pop: 39,700)III: WeakParaiso, Provincia de CartagoCosta RicaNotes:(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.User-reports for this quake (14)The first report about ground shaking reached us after only 2 minutes, before other agencies reported it. So far, we have received 14 reports for this quake from Costa Rica, United States, and Nicaragua. Out of these, 10 people indicated they felt it. The quake was reported to have been felt in up to approx. 200–250 km (124–155 mi) distance.The majority of reports came from Heredia (1 report), a town with 22,000 inhabitants in 263 km (163 mi) distance east of the epicenter, Costa Rica, Tamarindo (1 report), a town with 6,400 inhabitants in Provincia de Guanacaste in 87 km (54 mi) distance northeast of the epicenter, and Miami (1 report) (1,890 km or 1,174 mi to the north), a city with more than 490,000 inhabitants in Florida, United States. See the list of places where most people reported this quake further below.This section is being updated as new data comes in.User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.Contribute:Leave a comment if you find a particular report interesting or want to add to it.Flag as inappropriate.Mark as helpful or interesting.Send your own user report!TranslateBarreal, Heredia (260.7 km E of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 5-10 sPlaya Hermosa Guanacaste (265.5 km E of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / 1-2 s83.9 km ENE of epicenter [Map] / Weak shaking (MMI III) (reported through our app)207.5 km E of epicenter [Map] / Light shaking (MMI IV) (reported through our app)253.2 km N of epicenter [Map] / Weak shaking (MMI III) (reported through our app)774.4 km E of epicenter [Map] / not felt (reported through our iOS app)Jaco / Weak shaking (MMI III) / 2-5 s : I'm on the 8th floor of a condominium. It shook for about 4 secs . Rincon de cacao alajuela (242.8 km E of epicenter) [Map] / Very weak shaking (MMI II) / complex rolling (tilting in multiple directions) / 30-60 s : Fue algo no muy fuerte pero si duro bastante y si se peesivio el movimiento 207.2 km E of epicenter [Map] / Weak shaking (MMI III) (reported through our app)/ not felt (reported through our app)249.5 km E of epicenter [Map] / not felt (reported through our iOS app)682.1 km ESE of epicenter [Map] / not felt (reported through our app)Tamarindo (93.2 km ENE of epicenter) [Map] / Light shaking (MMI IV) : À l'intérieur de la maison 262 km E of epicenter [Map] / Weak shaking (MMI III) (reported through our iOS app)List of cities/places with most reportsPlaceDistance from epicenterAverage reported Shaking IntensityNr. of reportsHeredia, Provincia de Heredia, Costa Rica(Pop.: 21,947)263 km (163 mi)E of epicenterIII: Weak shaking1Tamarindo, Provincia de Guanacaste, Costa Rica(Pop.: 6,375)87 km (54 mi)NE of epicenterIV: Light shaking1Miami, Florida, United States(Pop.: 487,014)1,890 km (1,174 mi)N of epicenterIII: Weak shaking1Mateare, Departamento de Managua, Nicaragua(Pop.: 61,234)263 km (163 mi)N of epicenterIII: Weak shaking1San Rafael, Provincia de San Jose, Costa Rica(Pop.: 25,410)260 km (162 mi)E of epicenterIII: Weak shaking1Note: Only reports with latitude/longitude coordinate positions given (14 in total) could be used for statistics.What is Intensity and the Mercalli Intensity Scale?The amount of shaking that occurs on the surface due to an earthquake is called the intensity. It is commonly measured on the so-called Modified Mercalli Intensity Scale (MMI) ranging from 1 (not felt) to 10 (extreme shaking), and given in Roman numerals as I,II,...IX, X, and often displayed with color codes ranging from light blue to dark red.Earthquake intensity depends mainly on the magnitude and depth of the quake as well as the distance from the epicenter: The further away, the less shaking intensity occurs.Read more about the MMI scale!Number of reports by intensityShaking intensityNumber of reportsMin-Max distance from epicenter (*)Average distance (*)I: Not felt4249–1,274 km (155–792 mi)745 km (463 mi)II: Very weak shaking2243–265 km (151–165 mi)254 km (158 mi)III: Weak shaking584–262 km (52–163 mi)213 km (132 mi)IV: Light shaking293–207 km (58–129 mi)150 km (93 mi)Notes(*) Reports are filtered to exclude those that are likely highly inaccurate or esaggerated.Only reports with latitude/longitude coordinate positions given (14 in total) could be used for geographic statistics.Get the Android appI didn't feel itI felt this quakeIf you were near the epicenter and felt it, please share your experience and submit a short "I felt it" report! Other users would love to hear about it!If you did NOT feel the quake although you were in the area, please report it as well! Your contribution is valuable to earthquake science and seismic hazard analysis.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 GMT2026-09-30EpicenterAgency5.615 km9.3 mi21:55:29.69OFF COAST OF COSTA RICAEMSC (European-Mediterranean Seismological Centre)5.78 km5 mi21:55:2869 Km al suroeste de Rosario, Costa Rica8.9 km (5.5 mi) epicenter difference with EMSCINETER5.6410 km6.2 mi(*)21:55:28.53Off Coast of Costa Rica1.9 km (1.2 mi) epicenter difference with EMSCGFZ (German Research Centre for Geosciences)Notes:(*) A depth given as 10 km often means that the the depth of the quake could be not determined with sufficient accuracy."; HTMLcontent += ""; mainMap.addToMap("station"+id, lat, lon, title,HTMLcontent); mainMap.map.panTo([lat,lon]); document.getElementById("map_canvas").scrollIntoView();}document.addEventListener("DOMContentLoaded", function () { var section = document.getElementById("seismogramSection"); if (!section) return; var images = section.querySelectorAll("img.waitBg"); if (!images.length) return; images.forEach(function(img, index){ img.addEventListener("error", function(){ // If the first image fails, hide the whole section. if (index === 0) { // Remove TOC entry var tocLink = document.querySelector('#toc .tocLink[data-href="seismogramSection"]'); if (tocLink) {tocLink.remove()} // Remove whole section section.remove(); } // Otherwise remove only this station. var plot = img.closest(".plotContainer"); if (!plot) return; var station = plot.previousElementSibling; var caption = plot.nextElementSibling; if (station) station.remove(); plot.remove(); if (caption) caption.remove(); // Remove empty "Show more" var more = document.getElementById("moreSeismograms"); if (more && !more.querySelector(".plotContainer")) { more.remove(); var btn = document.getElementById("moreSeismograms_1"); if (btn) btn.remove(); } // Hide section if nothing remains. if (!section.querySelector(".plotContainer")) { section.style.display = "none"; } }, { once: true }); });});]]>SeismogramsSeismic station: Las Juntas de Abangares, Costa Rica (JTS/II network) | Distance from quake: 177 km / 110 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: 0.1-5.0 Hz. Source: NSF SAGE Facility IRISWS timeseriesplot Web ServiceSeismic station: Tegucigalpa, Honduras (TGUH/CU network) | Distance from quake: 472 km / 293 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 40 km2 (15 square miles) as a first-order estimate. The length of the rupture zone thus was probably around 11 km (7 mi).[More info]Recorded aftershocks, latest first (0 quake)Sep 30, 2026 09:55 pm (Universal Time)11 minutes ago - felt5.615 km0 km - This quakeOff Coast OF Costa RicaMain Shock (this quake)MoreMap of aftershocksPrevious quakes in the same area of this earthquake',5.6,56, '#bb202a', 0.9,1.5, '#bb202a', 0.27);map2.addToMap('thisQuake',9.8758,-86.5093,'11 minutes ago: Mag. 5.6, Off Coast OF Costa Rica','','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=23402071","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)})();]]>