Light magnitude 4.9 earthquake at 29 km depth
14 Dec 03:22 UTC: First to report: INPRES after 7 minutes.
14 Dec 03:42: Hypocenter depth recalculated from 10.0 to 28.0 km (from 6.2 to 17.4 mi). Epicenter location corrected by 18 km (11 mi) towards WSW.
14 Dec 03:46: Hypocenter depth recalculated from 28.0 to 29.0 km (from 17.4 to 18 mi).
Update Mon, 14 Dec 2020, 03:27
Magnitude 4.9 earthquake strikes near Santiago del Estero, Argentina
4.9 quake 14 Dec 12:15 am (GMT -3)
The quake hit at a shallow depth of 10 km beneath the epicenter near Santiago del Estero, Departamento de Capital, Argentina, after midnight on Monday 14 December 2020 at 12:15 am local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Santiago del Estero (pop. 354,700) located 48 km from the epicenter, Beltran (pop. 5,300) 59 km away, Clodomira (pop. 9,000) 75 km away, Termas de Rio Hondo (pop. 27,800) 78 km away, and Los Altos (pop. 6,400) 94 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Suncho Corral (pop. 6,100) located 112 km from the epicenter.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you’re in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.
If you were or still are in this area during the quake help others with your feedback and file a quick report here.
Earthquake data:
I felt this quake
I didn't feel it
Local time at epicenter: Monday, 14 Dec 12:15 am (GMT -3)
Magnitude: 4.9
Depth: 29.0 km
Epicenter latitude / longitude: 28.179°S / 64.736°W
(Departamento de Choya, Santiago del Estero, Argentina)Nearby towns and cities:
63 km (39 mi) SW of Santiago del Estero (pop: 354,700) See nearby quakes!
76 km (47 mi) E of Los Altos (Santa Rosa, Catamarca) (pop: 6,420) [quakes]
77 km (48 mi) WSW of Beltran (Robles) (pop: 5,320) [quakes]
77 km (48 mi) S of Termas de Rio Hondo (Río Hondo) (pop: 27,800) [quakes]
90 km (56 mi) SW of Clodomira (La Banda) (pop: 9,040) [quakes]
91 km (56 mi) SE of Graneros (Tucuman) (pop: 5,260) [quakes]
95 km (59 mi) ESE of La Cocha (Tucuman) (pop: 7,070) [quakes]
108 km (67 mi) ENE of San Fernando del Valle de Catamarca (pop: 188,800) [quakes]
158 km (98 mi) SSE of Tucuman (pop: 781,000) [quakes]
364 km (226 mi) N of Cordoba (pop: 1,428,200) [quakes]
Few Clouds
17.7°C (64 F), humidity: 41%, wind: 2 m/s (3 kts) from ENEEstimated released energy: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 tons of TNT) More info
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Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!
Data for the same earthquake reported by different agencies
Info: The 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.
| Magnitude | Depth | Location | Source |
| M 4.9 | 29 km | SANTIAGO DEL ESTERO (Argentina) | INPRES |
| M 4.8 | 47 km | SANTIAGO DEL ESTERO, ARGENTINA | EMSC |
User reports for this quake (8)
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Santiago del estero / Moderate shaking (MMI V) / 10-15 s : Nos despertó el temblor. La sensación era como que venía un tren a alta velocidad y con mucho peso por eso ruido que emanaba,el sonido parecía como truenos. Empezó a temblar el lugar y nos levantamos asustados. Empezó leve, se intensificó y luego de unos segundos, pasó. Causó mucho miedo.
El Bañado, Valle Viejo, CATAMARCA, Argentina (100.6 km WSW of epicenter) [Map] / Moderate shaking (MMI V) / 2-5 s : Se me movió la computadora, tambaleó
543.3 km SE of epicenter [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging
Santiago del Estero, Santiago del Estero. / Moderate shaking (MMI V) / vibration and rolling / 2-5 s
Yerba buena / Very weak shaking (MMI II) / very short
Santiago del estero capital / Moderate shaking (MMI V) / 2-5 s : Todos los integrantes de mi familia sintiero. Este suceso
Frías santiago del Estero / Moderate shaking (MMI V) / rattling, vibrating / 10-15 s : Muy asustada , movimiento tembloroso,ventanas que vibraban.... Un espanto!!!!
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Earlier earthquakes in the same area since 1900
Mag. 4.9 earthquake - Departamento de Choya, 63 km southwest of Santiago del Estero, Santiago del Estero, Argentina, on Monday, 14 Dec 12:15 am (GMT -3)-
Date / time UTC
| Mag |Depth
|Age
|Distance
| Details -
23 Jun 1991 21:22
| 7.3 |558km / 347mi
|29 years ago
|205km / 128mi
| Santiago Del Estero, Argentina -
14 Aug 1950 22:51
| 7.1 |610km / 379mi
|70 years ago
|201km / 125mi
| Santiago Del Estero, Argentina -
01 Jan 2011 09:56
| 7.0 |577km / 358mi
|10 years ago
|220km / 137mi
| Santiago Del Estero, Argentina -
23 Apr 2000 09:27
| 7.0 |609km / 378mi
|21 years ago
|172km / 107mi
| Santiago Del Estero, Argentina -
10 May 1994 06:36
| 6.9 |601km / 373mi
|27 years ago
|164km / 102mi
| Santiago Del Estero, Argentina -
29 Apr 1994 07:11
| 6.9 |562km / 349mi
|27 years ago
|146km / 91mi
| Santiago Del Estero, Argentina -
21 Dec 1983 12:05
| 6.9 |602km / 374mi
|37 years ago
|153km / 95mi
| Santiago Del Estero, Argentina -
28 May 2012 05:07
| 6.7 |587km / 365mi
|9 years ago
|162km / 101mi
| Santiago Del Estero, Argentina -
02 Sep 2011 13:47
| 6.7 |579km / 360mi
|9 years ago
|169km / 105mi
| Santiago Del Estero, Argentina -
09 Sep 1967 10:06
| 6.7 |580km / 361mi
|53 years ago
|160km / 100mi
| Santiago Del Estero, Argentina
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December 13, 2020 at 07:15PM
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Quake info: Mag. 4.9 earthquake - Departamento de Choya, 63 km southwest of Santiago del Estero, Santiago del Estero, Argentina, on Monday, 14 Dec 12:15 am (GMT -3) - VolcanoDiscovery
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