Moderate mag. 4.1 earthquake - Philippine Sea, 71 km southwest of Polangui, Philippines, on Tuesday, Dec 30, 2025, at 09:53 am (Manila time)

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(Unconfirmed) Moderate magnitude 4.1 earthquake at unknown depth30 Dec 01:59 UTC: First to report: RaspberryShake after 6 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeDec 30, 2025 01:53:00 UTC - Local time at epicenterTuesday, Dec 30, 2025, at 01:53 am (Universal Time GMT +0)Statusunconfirmed (automatic detection)Magnitude4.1Depth10 kmEpicenter latitude / longitude12.78°N / 123.1°EMasbate, Bicol, PhilippinesSeismic antipode12.78°S / 56.9°WBrazilShaking intensityIV Light shaking near epicenterFelt0 reportsPrimary data sourceRaspberryShake (RaspberryShake)Nearest volcanoMasaraga (81 km / 50 mi)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 energy6 minutes agoDec 30, 2025 01:53 GMT / Dec 30, 2025 01:53 am (Universal Time)Lat / Lng: 12.78 / 123.1: Luzon, PhilippinesSource: RaspberryShakeDetail info | You felt it? - Report it!';storedMarkers.push(['quake-22555010',12.78000,123.10000,'6 minutes ago: Mag. 4.1, 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+="&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 PhilippinesNearby placesThe closest larger town where the quake might have been felt is Legaspi, a city with more than 180,000 inhabitants in the Philippines, in 80 km (50 mi) distance northeast 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, 306 km (190 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(*)RegionCountry18 km (11 mi)E of epicenterMabiton(pop: 2,200)IV: LightProvince of Masbate, BicolPhilippines26 km (16 mi)E of epicenterOsmena(pop: 2,920)III: WeakProvince of Masbate, BicolPhilippines36 km (22 mi)NE of epicenterBadian(pop: 2,710)III: WeakProvince of Albay, BicolPhilippines41 km (26 mi)N of epicenterSan Pascual(pop: 5,940)III: WeakProvince of Masbate, BicolPhilippines45 km (28 mi)SE of epicenterPuro(pop: 5,440)III: WeakProvince of Masbate, BicolPhilippines47 km (29 mi)NE of epicenterPio Duran(pop: 13,200)III: WeakProvince of Albay, BicolPhilippines52 km (32 mi)NE of epicenterPantao(pop: 6,860)III: WeakProvince of Albay, BicolPhilippines55 km (34 mi)SE of epicenterBaleno(pop: 3,740)III: WeakProvince of Masbate, BicolPhilippines58 km (36 mi)S of epicenterTumalaytay(pop: 2,340)III: WeakProvince of Masbate, BicolPhilippines60 km (37 mi)SE of epicenterCabitan(pop: 3,470)III: WeakProvince of Masbate, BicolPhilippines62 km (38 mi)N of epicenterBalatan(pop: 4,450)III: WeakProvince of Camarines Sur, BicolPhilippines63 km (39 mi)NE of epicenterJovellar(pop: 3,940)III: WeakProvince of Albay, BicolPhilippines63 km (39 mi)E of epicenterMonreal(pop: 4,760)III: WeakProvince of Masbate, BicolPhilippines64 km (40 mi)E of epicenterPilar(pop: 8,590)III: WeakProvince of Sorsogon, BicolPhilippines67 km (41 mi)NE of epicenterLigao(pop: 10,300)III: WeakProvince of Albay, BicolPhilippines68 km (43 mi)NE of epicenterOas(pop: 64,900)II: Very weakProvince of Albay, BicolPhilippines69 km (43 mi)NE of epicenterLibon(pop: 68,800)II: Very weakProvince of Albay, BicolPhilippines70 km (44 mi)NE of epicenterBato(pop: 16,900)II: Very weakProvince of Camarines Sur, BicolPhilippines71 km (44 mi)NE of epicenterPolangui(pop: 89,200)II: Very weakProvince of Albay, BicolPhilippines73 km (45 mi)E of epicenterSan Jacinto(pop: 7,640)II: Very weakProvince of Masbate, BicolPhilippines73 km (45 mi)SE of epicenterMasbate(pop: 47,500)II: Very weakBicolPhilippines74 km (46 mi)E of epicenterMacalaya(pop: 3,670)II: Very weakProvince of Sorsogon, BicolPhilippines75 km (46 mi)NE of epicenterMasaraway(pop: 3,730)II: Very weakProvince of Albay, BicolPhilippines76 km (47 mi)N of epicenterNabua(pop: 25,700)II: Very weakProvince of Camarines Sur, BicolPhilippines76 km (47 mi)SE of epicenterBangad(pop: 3,320)II: Very weakProvince of Masbate, BicolPhilippines77 km (48 mi)SE of epicenterMilagros(pop: 6,010)II: Very weakProvince of Masbate, BicolPhilippines77 km (48 mi)NW of epicenterPagsangahan(pop: 13,600)II: Very weakQuezon, CalabarzonPhilippines78 km (48 mi)E of epicenterCumadcad(pop: 5,200)II: Very weakProvince of Sorsogon, BicolPhilippines79 km (49 mi)N of epicenterBula(pop: 13,700)II: Very weakProvince of Camarines Sur, BicolPhilippines80 km (49 mi)NE of epicenterTagas(pop: 15,300)II: Very weakProvince of Albay, BicolPhilippines80 km (50 mi)NE of epicenterSan Jose(pop: 35,800)II: Very weakProvince of Albay, BicolPhilippines80 km (50 mi)NE of epicenterIriga City(pop: 115,300)II: Very weakProvince of Camarines Sur, BicolPhilippines80 km (50 mi)NE of epicenterLegaspi(pop: 179,500)II: Very weakProvince of Albay, BicolPhilippines80 km (50 mi)N of epicenterBaao(pop: 19,600)II: Very weakProvince of Camarines Sur, BicolPhilippines85 km (53 mi)NE of epicenterBuhi(pop: 30,100)II: Very weakProvince of Camarines Sur, BicolPhilippines89 km (55 mi)NW of epicenterAurora(pop: 16,200)II: Very weakQuezon, CalabarzonPhilippines92 km (57 mi)NE of epicenterMalilipot(pop: 41,100)II: Very weakProvince of Albay, BicolPhilippines94 km (59 mi)NE of epicenterTabaco(pop: 57,900)II: Very weakProvince of Albay, BicolPhilippines98 km (61 mi)NE of epicenterTiwi(pop: 16,800)II: Very weakProvince of Albay, BicolPhilippines306 km (190 mi)NW 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 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 GMT2025-12-30EpicenterAgency4.110 km6.2 mi(*)01:53:00Luzon, PhilippinesRaspberryShake (RaspberryShake)Notes:(*) A depth given as 10 km often means that the the depth of the quake could be not determined with sufficient accuracy.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)Dec 30, 2025 01:53 am (Universal Time)6 minutes ago4.110 km0 km - This quakeLuzon, PhilippinesMain Shock (this quake)MoreMap of aftershocksEarthquake statisticsAverage number of earthquakesBased on data from the past 55 years and our earthquake archive back to 1900, there are about 218 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 7 or higher: 0.02 quakes per year (or 1 quake every 62.5 years)Mag. 6 or higher: 0.1 quakes per year (or 1 quake every 10.5 years)Mag. 5 or higher: 0.76 quakes per year (or 1 quake every 1.3 years)Mag. 4 or higher: 11.2 quakes per yearMag. 3 or higher: 48 quakes per year (or 4 quakes per month)Mag. 2 or higher: 169 quakes per year (or 14.1 quakes per month)Mag. 1 or higher: 218 quakes per year (or 18.2 quakes per month)The area where this quake occurred has a very high level of seismic activity. It has had at least 2 quakes above magnitude 7 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 60 to 65 years.Number of quakes per yearPrevious quakes in the same area of this earthquake