Moderate magnitude 4.7 earthquake at 131 km depth20 Sep 14:00 UTC: First to report: RaspberryShake after 5 minutes.20 Sep 14:00: Now using data updates from CSNI didn't feel itI felt this quakeEarthquake detailsDate & timeSep 20, 2026 13:55:13 UTC - Local time at epicenterSunday, Sep 20, 2026, at 10:55 am (GMT -3)StatusconfirmedMagnitude4.7Depth131 kmEpicenter latitude / longitude23.01°S / 68.48°WProvincia de El Loa, Region de Antofagasta, ChileAlso near: Bolivia 65 km (40 mi) awaySeismic antipode23.01°N / 111.52°EChinaShaking intensityIII Weak shaking near epicenterFelt0 reportsPrimary data sourceCSN (National Seismological Center (Centro Sismológico Nacional))Nearest volcanoLicancabur (65 km / 40 mi)Weather at epicenter at time of quakeClear Sky 16.4°C (62 F), humidity: 9%, wind: 2 m/s (4 kts) from NEstimated seismic energy released7.1 x 1011 joules (197 megawatt hours, equivalent to 169 tons of TNT) | equivalent to ONE quake of magnitude 4.7 | about seismic energy15 minutes agoSep 20, 2026 13:55 GMT / Sep 20, 2026 10:55 am (GMT -3)Lat / Lng: -23.01 / -68.48: Chile: 30 km Al O De San Pedro De AtacamaSource: CSNOther sources: RaspberryShake: 4.7 / 115 kmDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23377846',-23.01000,-68.48000,'15 minutes ago: Mag. 4.7, Chile: 30 km Al O De San Pedro De Atacama',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 ChileNearby placesThe closest larger town where the quake might have been felt is Calama, a city with more than 170,000 inhabitants in Chile, in 77 km (48 mi) distance northwest of the epicenter. People likely experienced very weak shaking there. Several smaller towns and villages are located closer to the epicenter and might have experienced stronger shaking. In the capital of Bolivia, Sucre, 554 km (344 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(*)RegionCountry31 km (19 mi)E of epicenterSan Pedro de Atacama(pop: 11,000)III: WeakProvincia de El Loa, Region de AntofagastaChile77 km (48 mi)NW of epicenterCalama(pop: 166,300)II: Very weakProvincia de El Loa, Region de AntofagastaChile87 km (54 mi)W of epicenterSierra Gorda(pop: 1,070)II: Very weakProvincia de Antofagasta, Region de AntofagastaChile142 km (88 mi)NW of epicenterMaria Elena(pop: 7,530)II: Very weakProvincia de Tocopilla, Region de AntofagastaChile202 km (125 mi)W of epicenterMejillones(pop: 14,100)II: Very weakProvincia de Antofagasta, Region de AntofagastaChile204 km (127 mi)NW of epicenterTocopilla(pop: 25,400)II: Very weakRegion de AntofagastaChile208 km (130 mi)W of epicenterAntofagasta(pop: 401,100)II: Very weakRegion de AntofagastaChile258 km (160 mi)SE of epicenterSan Antonio de los Cobres(pop: 4,000)II: Very weakDepartamento de Los Andes, Salta ProvinceArgentina287 km (178 mi)E of epicenterAbra Pampa(pop: 9,430)II: Very weakDepartamento de Cochinoca, Jujuy ProvinceArgentina287 km (179 mi)E of epicenterEl Aguilar(pop: 3,660)II: Very weakDepartamento de Humahuaca, Jujuy ProvinceArgentina294 km (182 mi)N of epicenterPica(pop: 9,300)II: Very weakProvincia del Tamarugal, TarapacáChile313 km (194 mi)E of epicenterLa Quiaca(pop: 14,800)II: Very weakDepartamento de Yavi, Jujuy ProvinceArgentina314 km (195 mi)E of epicenterVillazon(pop: 30,300)II: Very weakDepartamento de PotosiBolivia321 km (200 mi)E of epicenterHumahuaca(pop: 11,400)II: Very weakJujuy ProvinceArgentina333 km (207 mi)NE of epicenterTupiza(pop: 22,200)II: Very weakDepartamento de PotosiBolivia335 km (208 mi)NW of epicenterPozo Almonte(pop: 16,900)II: Very weakProvincia del Tamarugal, TarapacáChile335 km (208 mi)SW of epicenterTaltal(pop: 11,100)II: Very weakProvincia de Antofagasta, Region de AntofagastaChile341 km (212 mi)NE of epicenterColchani(pop: 12,000)II: Very weakDepartamento de PotosiBolivia348 km (216 mi)NW of epicenterAlto Hospicio(pop: 142,100)II: Very weakProvincia de Iquique, TarapacáChile350 km (218 mi)SE of epicenterSan Salvador de Jujuy(pop: 258,000)II: Very weakDepartamento de Doctor Manuel Belgrano, Jujuy ProvinceArgentina356 km (221 mi)NW of epicenterIquique(pop: 199,600)II: Very weakTarapacáChile361 km (224 mi)SE of epicenterPalpala(pop: 48,200)II: Very weakDepartamento de Palpala, Jujuy ProvinceArgentina361 km (224 mi)N of epicenterHuara(pop: 2,860)II: Very weakProvincia del Tamarugal, TarapacáChile370 km (230 mi)SE of epicenterSalta(pop: 520,700)II: Very weakDepartamento Capital, Salta ProvinceArgentina387 km (240 mi)E of epicenterLibertador General San Martin(pop: 49,300)II: Very weakDepartamento de Ledesma, Jujuy ProvinceArgentina393 km (244 mi)E of epicenterSan Pedro de Jujuy(pop: 58,400)I: Not feltDepartamento de San Pedro, Jujuy ProvinceArgentina408 km (253 mi)SW of epicenterDiego de Almagro(pop: 13,900)I: Not feltChanaral, Region de AtacamaChile419 km (261 mi)E of epicenterTarija(pop: 159,300)I: Not feltDepartamento de TarijaBolivia425 km (264 mi)E of epicenterOrán(pop: 74,100)I: Not feltSalta ProvinceArgentina426 km (265 mi)E of epicenterBermejo(pop: 35,400)I: Not feltDepartamento de TarijaBolivia449 km (279 mi)E of epicenterEmbarcacion(pop: 24,000)I: Not feltGeneral Jose de San Martin, Salta ProvinceArgentina474 km (295 mi)NE of epicenterPotosi(pop: 141,300)I: Not feltDepartamento de PotosiBolivia500 km (311 mi)SE of epicenterJoaquin V. Gonzalez(pop: 19,200)I: Not feltDepartamento de Metan, Salta ProvinceArgentina526 km (327 mi)SE of epicenterTafi Viejo(pop: 48,500)I: Not feltTafi Viejo, Tucuman ProvinceArgentina531 km (330 mi)SE of epicenterYerba Buena(pop: 50,800)I: Not feltTucuman ProvinceArgentina537 km (333 mi)SE of epicenterSan Miguel de Tucuman(pop: 548,900)I: Not feltDepartamento de Capital, Tucuman ProvinceArgentina541 km (336 mi)SE of epicenterAlderetes(pop: 38,500)I: Not feltDepartamento de Cruz Alta, Tucuman ProvinceArgentina546 km (340 mi)SE of epicenterFamailla(pop: 31,000)I: Not feltDepartamento de Famailla, Tucuman ProvinceArgentina550 km (342 mi)SE of epicenterBella Vista(pop: 15,100)I: Not feltDepartamento de Leales, Tucuman ProvinceArgentina554 km (344 mi)NE of epicenterSucre(pop: 224,800)I: Not feltDepartamento de ChuquisacaBoliviaNotes:(*) 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 GMT2026-09-20EpicenterAgency4.7131 km81 mi13:55:1330 km al O de San Pedro de AtacamaCSN (National Seismological Center (Centro Sismológico Nacional))4.7115 km71 mi13:55:14Northern Chile19 km (12 mi) epicenter difference with CSNRaspberryShake (RaspberryShake)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 5 km2 (2 square miles) as a first-order estimate. The length of the rupture zone thus was probably around 4 km (2 mi).[More info]Recorded aftershocks, latest first (0 quake)Sep 20, 2026 10:55 am (GMT -3)15 minutes ago4.7131 km0 km - This quake77 km SE of Calama, Provincia de El Loa, Region de Antofagasta, ChileMain 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 607 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 41.7 years)Mag. 6 or higher: 0.15 quakes per year (or 1 quake every 6.5 years)Mag. 5 or higher: 3.1 quakes per yearMag. 4 or higher: 48 quakes per year (or 4 quakes per month)Mag. 3 or higher: 277 quakes per year (or 23.1 quakes per month)Mag. 2 or higher: 607 quakes per year (or 51 quakes per month)Mag. 1 or higher: 609 quakes per year (or 51 quakes per month)The area where this quake occurred has a very high level of seismic activity. It has had at least 3 quakes above magnitude 7 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 40 to 45 years.Number of quakes per yearPrevious quakes in the same area of this earthquake