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- Report it!';storedMarkers.push(['quake-21820821',-19.17000,168.69000,'4 minutes ago: Mag. 4.0, Vanuatu Islands',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 VanuatuNearby placesThe closest larger town where the quake might have been felt is Isangel, a town with 1,400 inhabitants in Vanuatu, in 75 km (46 mi) distance southeast of the epicenter. People likely experienced very weak shaking there. In the capital of Vanuatu, Port Vila, 164 km (102 mi) away from the epicenter, the earthquake was probably felt as very weak shaking.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry75 km (46 mi)SE of epicenterIsangel(pop: 1,440)II: Very weakTafea ProvinceVanuatu164 km (102 mi)N of epicenterPort Vila(pop: 35,900)II: Very weakShefa ProvinceVanuatu245 km (152 mi)SW of epicenterWe(pop: 10,400)I: Not feltLifou, Loyalty IslandsNew Caledonia278 km (173 mi)S of epicenterTadine(pop: 7,490)I: Not feltMare, Loyalty IslandsNew Caledonia279 km (173 mi)SW of epicenterFayaoue(pop: 4,410)I: Not feltOuvea, Loyalty IslandsNew Caledonia375 km (233 mi)SW of epicenterThio(pop: 2,750)I: Not feltProvince SudNew Caledonia388 km (241 mi)SW of epicenterCanala(pop: 3,540)I: Not feltProvince NordNew Caledonia406 km (253 mi)SW of epicenterBouloupari(pop: 2,150)I: Not feltProvince SudNew Caledonia411 km (255 mi)SW of epicenterLa Foa(pop: 2,950)I: Not feltProvince SudNew Caledonia421 km (262 mi)SW of epicenterMoindou(pop: 609)I: Not feltProvince SudNew CaledoniaNotes:(*) 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 GMT2025-05-31EpicenterAgency4.011 km6.8 mi11:56:18Vanuatu IslandsRaspberryShake (RaspberryShake)"; HTMLcontent += ""; mainMap.addToMap("station"+id, lat, lon, title,HTMLcontent); mainMap.map.panTo([lat,lon]); document.getElementById("map_canvas").scrollIntoView();}]]>SeismogramsSeismic station: Dzumac - New Caledonia, France (DZM/G network) | Distance from quake: 398 km / 248 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: IRIS Buffer of Uniform Data (BUD) webtoolShow 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)May 31, 2025 11:56 am (Universal Time)4 minutes ago4.011 km0 km - This quakeVanuatu IslandsMain 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 50 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 8 or higher: 0.02 quakes per year (or 1 quake every 62.5 years)Mag. 7 or higher: 0.09 quakes per year (or 1 quake every 11.4 years)Mag. 6 or higher: 0.54 quakes per year (or 1 quake every 1.9 years)Mag. 5 or higher: 8.5 quakes per yearMag. 4 or higher: 48 quakes per year (or 4 quakes per month)Mag. 3 or higher: 78 quakes per year (or 6.5 quakes per month)Mag. 2 or higher: 82 quakes per year (or 6.8 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 8 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