Light magnitude 3.9 earthquake at unknown depth17 Oct 17:28 UTC: First to report: EMSC after 5 minutes.I didn't feel itI felt this quakeEarthquake detailsDate & timeOct 17, 2026 17:24:18 UTC - Local time at epicenterSaturday, Oct 17, 2026, at 02:24 pm (GMT -3)StatusconfirmedMagnitude3.90Depth10 kmEpicenter latitude / longitude26.99°S / 66.5°WDepartamento de Santa Maria, Catamarca Province, ArgentinaSeismic antipode26.99°N / 113.5°EChinaShaking intensityIV Light shaking near epicenterFelt0 reportsPrimary data sourceEMSC (European-Mediterranean Seismological Centre)Nearest volcanoRobledo (126 km / 78 mi)Weather at epicenter at time of quakeBroken Clouds 14.1°C (57 F), humidity: 47%, wind: 6 m/s (12 kts) from SWEstimated seismic energy released4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 tons of TNT) | equivalent to ONE quake of magnitude 3.9 | about seismic energy15 minutes agoOct 17, 2026 17:24 GMT / Oct 17, 2026 02:24 pm (GMT -3)Lat / Lng: -26.99 / -66.5: Catamarca, ArgentinaSource: EMSCOther sources: INPRES: 3.9 / 10 kmDetail info | You felt it? - Report it!';storedMarkers.push(['quake-23444391',-26.99000,-66.50000,'15 minutes ago: Mag. 3.9, Catamarca, Argentina',html,'quakes-5-24.png',18,18,9,9,124]); 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 ArgentinaNearby placesThe closest larger town where the quake might have been felt is Andalgala, a town with 14,000 inhabitants in Argentina, in 68 km (42 mi) distance south 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.The following table shows some of the places that might have been affected (or not) by the shaking.DistancePlaceMax. shaking intensity(*)RegionCountry42 km (26 mi)SW of epicenterHualfin(pop: 2,300)III: WeakDepartamento de Belen, Catamarca ProvinceArgentina68 km (42 mi)S of epicenterAndalgala(pop: 14,100)II: Very weakDepartamento de Andalgala, Catamarca ProvinceArgentina80 km (50 mi)SW of epicenterPuerta de San Jose(pop: 1,070)II: Very weakDepartamento de Belen, Catamarca ProvinceArgentina80 km (50 mi)E of epicenterTafi del Valle(pop: 4,030)II: Very weakTafi del Valle, Tucuman ProvinceArgentina100 km (62 mi)SE of epicenterAguilares(pop: 32,500)II: Very weakDepartamento de Rio Chico, Tucuman ProvinceArgentina101 km (63 mi)E of epicenterMonteros(pop: 23,800)II: Very weakTucuman ProvinceArgentina102 km (63 mi)SW of epicenterLondres(pop: 2,630)II: Very weakDepartamento de Belen, Catamarca ProvinceArgentina109 km (68 mi)E of epicenterFamailla(pop: 31,000)II: Very weakDepartamento de Famailla, Tucuman ProvinceArgentina114 km (71 mi)NE of epicenterCafayate(pop: 11,800)II: Very weakSalta ProvinceArgentina117 km (73 mi)E of epicenterSimoca(pop: 7,940)II: Very weakTucuman ProvinceArgentina119 km (74 mi)E of epicenterBella Vista(pop: 15,100)II: Very weakDepartamento de Leales, Tucuman ProvinceArgentina121 km (75 mi)E of epicenterYerba Buena(pop: 50,800)II: Very weakTucuman ProvinceArgentina122 km (76 mi)SE of epicenterLos Varela(pop: 1,910)II: Very weakDepartamento de Ambato, Catamarca ProvinceArgentina125 km (78 mi)SE of epicenterLa Cocha(pop: 7,070)II: Very weakTucuman ProvinceArgentina126 km (78 mi)E of epicenterTafi Viejo(pop: 48,500)II: Very weakTafi Viejo, Tucuman ProvinceArgentina128 km (79 mi)SE of epicenterGraneros(pop: 5,260)II: Very weakTucuman ProvinceArgentina129 km (80 mi)E of epicenterSan Miguel de Tucuman(pop: 548,900)II: Very weakDepartamento de Capital, Tucuman ProvinceArgentina134 km (83 mi)SW of epicenterFiambala(pop: 8,060)II: Very weakDepartamento de Tinogasta, Catamarca ProvinceArgentina137 km (85 mi)E of epicenterAlderetes(pop: 38,500)II: Very weakDepartamento de Cruz Alta, Tucuman ProvinceArgentina138 km (86 mi)SE of epicenterSan Antonio(pop: 4,290)II: Very weakDepartamento de Paclin, Catamarca ProvinceArgentina148 km (92 mi)NE of epicenterTrancas(pop: 6,660)II: Very weakTucuman ProvinceArgentina149 km (93 mi)SE of epicenterEl Rodeo(pop: 1,080)II: Very weakDepartamento de Ambato, Catamarca ProvinceArgentina151 km (94 mi)S of epicenterMutquin(pop: 1,210)II: Very weakDepartamento de Poman, Catamarca ProvinceArgentina153 km (95 mi)SE of epicenterLos Altos(pop: 6,420)II: Very weakDepartamento de Santa Rosa, Catamarca ProvinceArgentina159 km (99 mi)S of epicenterPoman(pop: 3,390)II: Very weakDepartamento de Poman, Catamarca ProvinceArgentina159 km (99 mi)SW of epicenterTinogasta(pop: 14,500)II: Very weakCatamarca ProvinceArgentina172 km (107 mi)E of epicenterTermas de Rio Hondo(pop: 27,800)I: Not feltDepartamento de Rio Hondo, Santiago del Estero ProvinceArgentina177 km (110 mi)S of epicenterAimogasta(pop: 16,600)I: Not feltDepartamento de Arauco, La Rioja ProvinceArgentina179 km (111 mi)SE of epicenterCatamarca(pop: 159,100)I: Not feltDepartamento de Capital, Catamarca ProvinceArgentina179 km (111 mi)S of epicenterArauco(pop: 13,700)I: Not feltLa Rioja ProvinceArgentina200 km (124 mi)S of epicenterHuillapima(pop: 7,780)I: Not feltDepartamento de Capayan, Catamarca ProvinceArgentina236 km (147 mi)NE of epicenterEl Carril(pop: 9,780)I: Not feltDepartamento de Chicoana, Salta ProvinceArgentina239 km (148 mi)SE of epicenterSantiago del Estero(pop: 252,200)I: Not feltDepartamento de Capital, Santiago del Estero ProvinceArgentina243 km (151 mi)SE of epicenterIcano(pop: 6,860)I: Not feltDepartamento de La Paz, Catamarca ProvinceArgentina261 km (162 mi)S of epicenterChilecito(pop: 42,200)I: Not feltLa Rioja ProvinceArgentina266 km (165 mi)NE of epicenterSalta(pop: 520,700)I: Not feltDepartamento Capital, Salta ProvinceArgentina272 km (169 mi)S of epicenterLa Rioja(pop: 178,900)I: Not feltDepartamento de Capital, La Rioja ProvinceArgentina291 km (181 mi)SE of epicenterRecreo(pop: 14,200)I: Not feltDepartamento de La Paz, Catamarca ProvinceArgentina316 km (196 mi)NE of epicenterJoaquin V. Gonzalez(pop: 19,200)I: Not feltDepartamento de Metan, Salta ProvinceArgentinaNotes:(*) 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 GMT2026-10-17EpicenterAgency3.910 km6.2 mi(*)17:24:18CATAMARCA, ARGENTINAEMSC (European-Mediterranean Seismological Centre)3.910 km6.2 mi(*)17:24:18CATAMARCA0 km (0 mi) epicenter difference with EMSCINPRESNotes:(*) A depth given as 10 km often means that the the depth of the quake could be not determined with sufficient accuracy.Earthquake statisticsAverage number of earthquakesBased on data from the past 56 years and our earthquake archive back to 1900, there are about 35.9 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):Mag. 5 or higher: 0.32 quakes per year (or 1 quake every 3.1 years)Mag. 4 or higher: 3.8 quakes per yearMag. 3 or higher: 18.8 quakes per yearMag. 2 or higher: 35.1 quakes per year (or 2.9 quakes per month)The area where this quake occurred has a high level of seismic activity. It has had at least 18 quakes above magnitude 5 since 1970, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 1 to 5 years.Number of quakes per yearPrevious quakes in the same area of this earthquakeThe earthquake occurred 5 weeks after a magnitude 4.7 earthquake had hit on Sunday, Sep 13, 2026, at 04:40 pm local time (America/Argentina/Salta GMT -3) in 93 km (58 mi) distance to the north:Mag. 4.7 earthquake Departamento de San Carlos - Salta Province, Argentina - Sep 13, 2026 -The largest quake near the epicenter of this quake during the 10 years before was an event of magnitude 5.0. It had occurred 5 weeks earlier, on Wednesday, Sep 9, 2026, at 07:06 am local time (America/Argentina/Salta GMT -3) in Salta Province, Argentina:Mag. 5.0 earthquake Departamento de San Carlos - Salta Province, Argentina - Sep 9, 2026 -The strongest-ever (since 1900) recorded quake in this area measured magnitude 7.0. It had occurred 106 years ago earlier, on Tuesday, Aug 3, 1920, at 07:57 pm local time (Universal Time GMT +0) in Catamarca Province, Argentina:Mag. 7.0 earthquake 33 km northwest of Fiambala - Catamarca Province, Argentina - Aug 3, 1920 -Below is a list and map of larger or recent quakes that had occurred near the epicenter before this earthquake (within up to 100 km/61 mi distance, up to 300 km/183 mi for very large quakes above mag. 7). Filter and sort the list by magnitude or time.Max results102050100AllMagnitudeAll2+3+4+5+6+7+8+Time before48 hours1 week30 days1 year5 years30 yearsAny ageDate and TimeMagDepthDistanceLocationDetailsMapOct 7, 06:27 am (Salta)3.0151 km97 km (60 mi) to the NDepartamento de San Carlos, 50 km west of Cafayate, Cafayate, Salta Province, ArgentinaInfoOct 7, 01:54 am (Catamarca)3.0349 km100 km (62 mi) to the SW 3.9 km north of Londres, Departamento de Belen, Catamarca Province, ArgentinaInfoSep 27, 08:30 pm (GMT -3)3.210 km94 km (58 mi) to the N Salta, ArgentinaInfoSep 21, 04:02 am (Catamarca)3.610 km91 km (56 mi) to the N Catamarca, ArgentinaInfoSep 17, 10:23 am (Salta)3.467 km99 km (61 mi) to the N Salta, ArgentinaInfoSep 13, 04:40 pm (Salta)4.710 km93 km (58 mi) to the NDepartamento de San Carlos, 60 km west of Cafayate, Cafayate, Salta Province, ArgentinaInfoSep 9, 07:06 am (Salta)5.010 km95 km (59 mi) to the NDepartamento de San Carlos, 53 km west of Cafayate, Cafayate, Salta Province, Argentina 1 reportInfoAug 12, 11:45 am (Catamarca)4.010 km23 km (14 mi) to the NDepartamento de Santa Maria, 54 km northeast of Hualfin, Departamento de Belen, Catamarca Province, ArgentinaInfoAug 11, 07:16 am (Salta)4.210 km83 km (52 mi) to the N Salta, ArgentinaInfoApr 25, 11:56 pm (Catamarca)4.5176 km86 km (53 mi) to the S Catamarca Province, ArgentinaInfoJun 2, 2023 09:11 pm (Catamarca)5.010 km51 km (32 mi) to the S Catamarca, Argentina 14 reportsInfoNov 20, 2022 07:17 pm (Catamarca)4.9152 km101 km (63 mi) to the S 43 km SW of Andalgalá, Argentina 1 reportInfoApr 20, 2022 10:19 am (Catamarca)4.9174 km35 km (22 mi) to the SE 36 km N of Andalgalá, ArgentinaInfoDec 7, 2021 06:41 am (Catamarca)5.0151 km99 km (62 mi) to the S 40 km SW of Andalgalá, ArgentinaInfoOct 23, 2019 12:55 pm (Tucuman)5.010 km97 km (60 mi) to the SE 5.6 km west of Aguilares, Departamento de Rio Chico, Tucuman Province, ArgentinaInfoMay 4, 2019 08:21 am (Catamarca)4.910 km63 km (39 mi) to the W 22 km northwest of Puerta de Corral Quemado, Departamento de Belen, Catamarca Province, ArgentinaInfoJan 15, 2015 01:32 pm (Catamarca)4.9148 km98 km (61 mi) to the S Catamarca Province, ArgentinaInfoJul 13, 2013 06:36 pm (Catamarca)4.99.9 km33 km (20 mi) to the W 29 km north of Hualfin, Departamento de Belen, Catamarca Province, Argentina 2 reportsInfoFeb 20, 2013 08:18 am (Catamarca)5.1155 km88 km (54 mi) to the S 24 km southwest of Andalgala, Departamento de Andalgala, Catamarca Province, ArgentinaInfoJul 31, 2011 02:36 pm (Catamarca)5.4170 km87 km (54 mi) to the S 32 km SW of Andalgalá, ArgentinaInfoJan 19, 2010 02:28 pm (Tucuman)5.227 km94 km (58 mi) to the SEJuan B. Alberdi, 27 km southwest of Aguilares, Departamento de Rio Chico, Tucuman Province, ArgentinaInfoApr 3, 2009 02:54 pm (Catamarca)5.7174 km95 km (59 mi) to the S 39 km SW of Andalgalá, ArgentinaInfoMay 30, 2003 03:00 pm (Catamarca)5.2167 km101 km (63 mi) to the S Catamarca ProvinceInfoJun 13, 2001 01:10 am (Catamarca)5.017 km25 km (15 mi) to the S 32 km E of Hualfín, ArgentinaInfoApr 30, 2000 02:31 am (Catamarca)5.236 km46 km (29 mi) to the EDepartamento de Santa Maria, Catamarca Province, 77 km west of Yerba Buena, Departamento de Yerba Buena, Tucuman Province, ArgentinaInfoSep 27, 1997 09:09 am (Catamarca)5.0176 km101 km (63 mi) to the S Catamarca, ArgentinaInfoSep 10, 1993 04:46 pm (Catamarca)5.2154 km100 km (62 mi) to the S Catamarca, ArgentinaInfoDec 7, 1990 02:24 am (Universal Time)4.9162 km91 km (56 mi) to the S Catamarca, ArgentinaInfoSep 27, 1988 02:40 pm (Universal Time)4.9171 km100 km (62 mi) to the S Catamarca, ArgentinaInfoNov 9, 1985 07:13 pm (Catamarca)5.3175 km99 km (61 mi) to the S 40 km ESE of Londres, ArgentinaInfoOct 24, 1985 10:22 pm (Catamarca)5.1112 km88 km (55 mi) to the SWDepartamento de Belen, 73 km northeast of Tinogasta, Departamento de Tinogasta, Catamarca Province, ArgentinaInfoMar 18, 1985 02:47 am (Catamarca)5.0174 km86 km (53 mi) to the S Catamarca, ArgentinaInfoAug 18, 1984 01:10 am (Catamarca)5.5173 km101 km (63 mi) to the S 44 km ESE of Londres, ArgentinaInfoMay 16, 1984 12:44 am (Catamarca)5.5158 km82 km (51 mi) to the SW Catamarca, ArgentinaInfoApr 1, 1984 08:01 pm (Catamarca)4.957 km96 km (60 mi) to the W Catamarca Province, ArgentinaInfoSep 2, 1969 12:47 am (Catamarca)5.6169 km89 km (55 mi) to the S Catamarca, ArgentinaInfoFeb 20, 1968 06:38 pm (Catamarca)4.9157 km100 km (62 mi) to the S Catamarca Province, ArgentinaInfoOct 21, 1966 09:39 am (Catamarca)5.115 km91 km (57 mi) to the SW 15 km east of Londres, Departamento de Belen, Catamarca Province, ArgentinaInfoJul 23, 1964 04:18 pm (Catamarca)4.9139 km89 km (55 mi) to the S Catamarca Province, ArgentinaInfoAug 3, 1920 07:57 pm (Universal Time)7.015 km146 km (90 mi) to the W 33 km northwest of Fiambala, Departamento de Tinogasta, Catamarca Province, ArgentinaInfoMap of earlier quakes in the area of this quakeMax results102050100AllMagnitudeAll2+3+4+5+6+7+8+Time before48 hours1 week30 days1 year5 years30 yearsAny ageOldest quakes are shown in yellow, most recent in red.[quakes -][quakes +][smaller][bigger]