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The quake had a moderate depth of 141 km (88 mi) and was reported felt by some people near the epicenter.Quake Data | Interactive map | User reports | Aftershocks | Earlier quakes here | Quakes in the Philippines | Cagayan Valley | Cordillera Administrative Region | IlocosHint: Click on the image to see different maps of this quake!Moderate magnitude 4.6 earthquake at 141 km depth11 Aug 03:01 UTC: First to report: VolcanoDiscovery after 6 minutes.11 Aug 03:05: Now using data updates from BMKGI didn't feel itI felt this quakeEarthquake detailsDate & timeAug 11, 2025 02:55:40 UTC - Local time at epicenterMonday, Aug 11, 2025, at 02:55 am (Universal Time GMT +0)Statusconfirmed (manually revised)Magnitude4.6Depth141 kmEpicenter latitude / longitude18.36°N / 121.58°EProvince of Cagayan, Cagayan Valley, PhilippinesSeismic antipode18.36°S / 58.42°WShaking intensityII Very weak shakingFelt1 reportPrimary data sourceBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)Nearest volcanoAmbalatungan (112 km / 70 mi)Weather at epicenter at time of quakeScattered Clouds 30°C (86 F), humidity: 79%, wind: 3 m/s (5 kts) from WSWEstimated seismic energy released5 x 1011 joules (139 megawatt hours, equivalent to 120 tons of TNT) | equivalent to ONE quake of magnitude 4.6 | about seismic energy10 minutes ago reported feltAug 11, 2025 02:55 GMT / Aug 11, 2025 02:55 am (Universal Time)Lat / Lng: 18.36 / 121.58: Luzon, PhilippinesSource: BMKGDetail info | Read user reports | You felt it? - Report it!';storedMarkers.push(['quake-22042049',18.36000,121.58000,'10 minutes ago: Mag. 4.6, Luzon, Philippines',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 PhilippinesNearby placesThe closest larger town where the quake might have been felt is Tuguegarao, a city with more than 170,000 inhabitants in the Philippines, in 84 km (52 mi) distance south of the epicenter. People likely experienced very weak shaking there. Many smaller towns and villages are located closer to the epicenter and might have experienced stronger shaking. In the capital of the Philippines, Manila, 423 km (263 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(*)RegionCountry5 km (3 mi)SW of epicenterBinalan(pop: 2,280)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines6 km (4 mi)E of epicenterAparri(pop: 33,200)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines12 km (7 mi)NW of epicenterCabaritan East(pop: 9,350)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines15 km (9 mi)S of epicenterAllacapan(pop: 3,650)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines16 km (10 mi)W of epicenterLucban(pop: 2,570)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines17 km (11 mi)E of epicenterPaddaya(pop: 4,440)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines23 km (15 mi)SW of epicenterFlora(pop: 4,210)II: Very weakApayao, Cordillera Administrative RegionPhilippines25 km (15 mi)W of epicenterBagu(pop: 2,120)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines27 km (16 mi)S of epicenterMagapit(pop: 11,200)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines28 km (17 mi)SE of epicenterPattao(pop: 3,220)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines33 km (20 mi)S of epicenterLasam(pop: 6,350)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines38 km (24 mi)SE of epicenterPalagao Norte(pop: 2,950)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines43 km (26 mi)SE of epicenterCapissayan Sur(pop: 2,880)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines43 km (27 mi)NW of epicenterSanchez-Mira(pop: 26,200)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines45 km (28 mi)E of epicenterGonzaga(pop: 7,230)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines48 km (30 mi)S of epicenterDalaoig(pop: 2,490)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines53 km (33 mi)S of epicenterSanto Nino(pop: 4,920)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines54 km (33 mi)E of epicenterCabiraoan(pop: 2,930)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines57 km (35 mi)SW of epicenterKabugao(pop: 2,340)II: Very weakApayao, Cordillera Administrative RegionPhilippines59 km (37 mi)NW of epicenterClaveria(pop: 10,600)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines60 km (37 mi)S of epicenterAmulung(pop: 2,350)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines60 km (38 mi)SE of epicenterSan Jose(pop: 4,530)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines61 km (38 mi)E of epicenterSanta Ana(pop: 6,320)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines64 km (40 mi)S of epicenterPiat(pop: 5,960)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines74 km (46 mi)S of epicenterDagupan(pop: 2,310)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines77 km (48 mi)S of epicenterAggugaddah(pop: 2,360)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines77 km (48 mi)S of epicenterNattapian(pop: 11,900)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines79 km (49 mi)SE of epicenterLapi(pop: 2,850)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines80 km (49 mi)S of epicenterSolana(pop: 71,500)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines84 km (52 mi)S of epicenterTuguegarao(pop: 166,300)II: Very weakProvince of Cagayan, Cagayan ValleyPhilippines87 km (54 mi)W of epicenterPagudpud(pop: 4,950)II: Very weakProvince of Ilocos Norte, IlocosPhilippines98 km (61 mi)W of epicenterDingras(pop: 6,870)II: Very weakProvince of Ilocos Norte, IlocosPhilippines99 km (62 mi)S of epicenterTabuk(pop: 27,000)II: Very weakKalinga, Cordillera Administrative RegionPhilippines105 km (66 mi)W of epicenterLaoag(pop: 102,100)II: Very weakProvince of Ilocos Norte, IlocosPhilippines106 km (66 mi)S of epicenterCabagan(pop: 25,300)II: Very weakProvince of Isabela, Cagayan ValleyPhilippines106 km (66 mi)W of epicenterSan Nicolas(pop: 34,200)II: Very weakProvince of Ilocos Norte, IlocosPhilippines112 km (70 mi)W of epicenterBatac City(pop: 55,500)II: Very weakProvince of Ilocos Norte, IlocosPhilippines138 km (86 mi)S of epicenterRoxas(pop: 16,600)II: Very weakProvince of Isabela, Cagayan ValleyPhilippines139 km (86 mi)S of epicenterIlagan(pop: 72,400)II: Very weakProvince of Isabela, Cagayan ValleyPhilippines423 km (263 mi)S of epicenterManila(pop: 1,600,000)I: Not feltCapital, National Capital RegionPhilippinesNotes:(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.User-reports for this quake (1)The first report about ground shaking reached us after only 6 minutes, before other agencies reported it. So far, we have received 1 report for this quake. 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!Translate108.5 km W of epicenter [Map] / Very weak shaking (MMI II) : 3rd floor building,bed shaking while sitting down 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 (*)II: Very weak shaking1108–108 km (67–67 mi)108 km (67 mi)Notes(*) Reports are filtered to exclude those that are likely highly inaccurate or esaggerated.Only reports with latitude/longitude coordinate positions given (1 in total) could be used for geographic statistics.I 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 GMT2025-08-11EpicenterAgency4.6141 km88 mi02:55:40Luzon, PhilippinesBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)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 4 km2 (2 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)Aug 11, 2025 02:55 am (Universal Time)10 minutes ago4.6141 km0 km - This quakeLuzon, PhilippinesMain Shock (this quake)MoreMap of aftershocksPrevious quakes in the same area of this earthquake10 minutes ago reported feltAug 11, 2025 02:55 GMT / Aug 11, 2025 02:55 am (Universal Time)Lat / Lng: 18.36 / 121.58: Luzon, PhilippinesSource: BMKGDetail info | Read user reports | You felt it? - Report it!',4.6,46, '#bb202a', 0.9,1.5, '#bb202a', 0.27);map2.addToMap('thisQuake',18.36,121.58,'10 minutes ago: Mag. 4.6, Luzon, Philippines','Earthquake: Mag 4.6 / 141 km (88 mi) depth10 minutes ago reported feltAug 11, 2025 02:55 GMT / Aug 11, 2025 02:55 am (Universal Time)Lat / Lng: 18.36 / 121.58: Luzon, PhilippinesSource: BMKGDetail info | Read user reports | 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)})(); })(); (async function(){while(typeof mkRequest=="undefined")await new Promise(r=>setTimeout(r,500));mkRequest("https://server2.allquakes.com/api/getPrevious.php?quakeId=22042049","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)}})})();]]>