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Mag. 5.1 earthquake - 39 km west of Ciudad de San Juan, Departamento de Capital, San Juan, Argentina, on Wednesday, Oct 14, 2020 11:20 pm (San Juan time)

Mag. 5.1 earthquake - 39 km west of Ciudad de San Juan, Departamento de Capital, San Juan, Argentina, on Wednesday, Oct 14, 2020 11:20 pm (San Juan time) Mag. 5.1 earthquake - 39 km west of Ciudad de San Juan, Departamento de Capital, San Juan, Argentina, on Wednesday, Oct 14, 2020 11:20 pm (San Juan time)

Moderate magnitude 5.1 earthquake at 123 km depth

15 Oct 02:23 UTC: First to report: GFZ after 4 minutes.
15 Oct 02:26: Hypocenter depth recalculated from 156.0 to 123.0 km (from 97 to 76 mi).

Earthquake details

Date & timeOct 15, 2020 02:20:10 UTC
Local time at epicenterWednesday, Oct 14, 2020 11:20 pm (America/Argentina/San Juan GMT -3)
StatusConfirmed
Magnitude5.1
Depth123.0 km
Epicenter latitude / longitude31.56°S / 68.95°W Departamento de Zonda, San Juan, Argentina
Antipode31.56°N / 111.05°E
Shaking intensityWeak shaking
Felt9 reports
Primary data sourceGFZ (German Research Centre for Geosciences)
Nearest volcanoTupungatito (220 km / 137 mi)
Weather at epicenter at time of quakeBroken Clouds 12.4°C (54 F), humidity: 59%, wind: 0 m/s (1 kts) from N
Estimated seismic energy released2.8 x 1012 joules (783 megawatt hours, equivalent to 674 tons of TNT) | about seismic energy
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Nearby places

Distance Place Max. shaking intensity(*) Region Country
21 km (13 mi)
E of epicenter
Villa Basilio Nievas
(pop: 4,040)
III
Weak
Departamento de Zonda, San Juan
37 km (23 mi)
ESE of epicenter
Pocito
(pop: 41,000)
III
Weak
San Juan
39 km (24 mi)
E of epicenter
Ciudad de San Juan
(pop: 447,000)
III
Weak
Departamento de Capital, San Juan
40 km (25 mi)
E of epicenter
Villa Paula de Sarmiento
(pop: 19,100)
III
Weak
Departamento de Chimbas, San Juan
40 km (25 mi)
ENE of epicenter
Chimbas
(pop: 73,800)
III
Weak
San Juan
43 km (26 mi)
ENE of epicenter
Albardon
(pop: 20,400)
III
Weak
Departamento de Albardon, San Juan
43 km (27 mi)
E of epicenter
Santa Lucia
(pop: 43,600)
III
Weak
Departamento de Santa Lucia, San Juan
64 km (40 mi)
E of epicenter
Caucete
(pop: 33,600)
III
Weak
San Juan
148 km (92 mi)
S of epicenter
Mendoza
(pop: 876,900)
III
Weak
Guaymallén, Mendoza
264 km (164 mi)
SW of epicenter
Santiago de Chile
(pop: 4,837,300)
II
Very weak
Provincia de Santiago, Santiago
Notes:
(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.

Compare Quake Data

Data for the same earthquake as reported by different agencies

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.
Mag Depth Time GMT Epicenter Agency
5.1 123 km (76 mi) 2020-10-15 02:20:10 16 Km W of Villa Basilio Nievas, Argentina GFZ (German Research Centre for Geosciences)
5.1 122 km (76 mi) 2020-10-15 02:20:10 SAN JUAN (Argentina)
3.9 km (2.4 mi) epicenter difference with GFZ
INPRES
4.9 106 km (66 mi) 2020-10-15 02:20:10 San Juan, Argentina
7 km (4.3 mi) epicenter difference with GFZ
EMSC (European-Mediterranean Seismological Centre)
4.9 103 km (64 mi) 2020-10-15 02:20:09 16 Km W of Villa Basilio Nievas, Argentina
13 km (7.8 mi) epicenter difference with GFZ
USGS (United States Geological Survey)
5.0 116 km (72 mi) 2020-10-15 02:20:11 61 Km Al O De San Juan., Argentina
22 km (13 mi) epicenter difference with GFZ
CSN (National Seismological Center (Centro Sismológico Nacional))
5.1 107 km (66 mi) 2020-10-15 02:20:10 San Juan Province, Argentina
6.6 km (4.1 mi) epicenter difference with GFZ
GeoAu (Geoscience Australia )
5.0 61 km (38 mi) 2020-10-15 02:20:00 San Juan Province, Argentina
65 km (41 mi) epicenter difference with GFZ
USP
5.1 107 km (66 mi) 2020-10-15 02:20:10 San Juan Province, Argentina
6.6 km (4.1 mi) epicenter difference with GFZ
GeoAu (Geoscience Australia )

Seismograms

Seismic station: Las Campanas Astronomical Observatory, Chile (LCO/IU network) | Distance from quake: 330 km / 205 mi | Show on map | Station Info
Seismic station Las Campanas Astronomical Observatory, Chile: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (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: 0.1-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
Show more

User-reports for this quake (17)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
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Berazategui, Buenos Aires (1057.2 km ESE of epicenter) [Map] / not felt (reported through our app)
Mendoza Argentina (150.1 km S of epicenter) [Map] / Weak shaking (MMI III) : Muy suave (reported through our app)  
Quilmes, Buenos Aires (1048.2 km ESE of epicenter) [Map] / not felt (reported through our app)
Villa Paula de Sarmiento, Departamento de Chimbas, San Juan (42.2 km E of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Lo Prado, Provincia de Santiago, Santiago Metropolitan (266.1 km SW of epicenter) [Map] / Light shaking (MMI IV) : Fue muy débil (reported through our app)  
Buenos Aires (1034.4 km ESE of epicenter) [Map] / not felt : De capital federal, no lo sentimos (reported through our app)  
Cuesta Blanca, Departamento de Punilla, Cordoba (418 km E of epicenter) [Map] / Very weak shaking (MMI II) / 1-2 s (reported through our app)
Mendoza, Departamento de Guaymallén (152.5 km S of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
Cordoba, Departamento de Capital (456.8 km E of epicenter) [Map] / Very weak shaking (MMI II)
Mendoza, Departamento de Guaymallén (145.1 km S of epicenter) [Map] / Moderate shaking (MMI V) (reported through our app)
147.4 km S of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
chimbas / Moderate shaking (MMI V) / 1-2 s
(Argentina, 43 km E of epicenter) : El sismo fue corto en duración y violento. (desde un 2do piso) (reported through EMSC)  
Villa Nueva (Argentina, 154 km S of epicenter) : Se meció un rato (reported through EMSC)  
Las Heras (Argentina, 149 km S of epicenter) : Fue cortó muy fuerte con un solo golpe. (reported through EMSC)  
San Juan (Argentina, 46 km E of epicenter) : Sentí dos movimientos horizontales muy fuertes (reported through EMSC)  
San Juan (Argentina, 46 km E of epicenter) : Fuerte y corto (reported through EMSC)  

Aftershocks

[More info]

Recorded aftershocks, latest first (38 quakes)

Date and Time GMTMag
Depth
RegionDetails
Dec 12, 2020 14:32
3 years ago
3.6

116 km
18 km W of Villa Basilio Nievas, Departamento de Zonda, San Juan, ArgentinaMore
Dec 12, 2020 12:48
3 years ago
2.7

106 km
6.2 km W of Villa Basilio Nievas, Departamento de Zonda, San Juan, ArgentinaMore
Dec 11, 2020 16:36
3 years ago
3.2

109 km
13 km SW of Villa Basilio Nievas, Departamento de Zonda, San Juan, ArgentinaMore
Dec 11, 2020 12:49
3 years ago
2.5

109 km
54 km W of Ciudad de San Juan, Departamento de Capital, San Juan, ArgentinaMore
Dec 9, 2020 22:14
3 years ago
2.6

100 km
1.2 km N of Villa Basilio Nievas, Departamento de Zonda, San Juan, ArgentinaMore
Dec 5, 2020 02:50
3 years ago
2.5

105 km
31 km SE of Calingasta, San Juan, ArgentinaMore
Dec 4, 2020 22:47
3 years ago
2.9

111 km
42 km W of Ciudad de San Juan, Departamento de Capital, San Juan, ArgentinaMore
Dec 4, 2020 15:10
3 years ago
2.7

81 km
52 km W of Ciudad de San Juan, Departamento de Capital, San Juan, ArgentinaMore
Dec 4, 2020 05:48
3 years ago
4.7

108 km
42 km W of Ciudad de San Juan, Departamento de Capital, San Juan, ArgentinaMore
Dec 4, 2020 03:01
3 years ago
3.1

107 km
15 km SW of Villa Basilio Nievas, Departamento de Zonda, San Juan, ArgentinaMore
Dec 1, 2020 10:02
3 years ago
2.8

103 km
19 km NW of Pocito, San Juan, ArgentinaMore
Nov 27, 2020 21:30
3 years ago
2.5

110 km
12 km SW of Villa Basilio Nievas, Departamento de Zonda, San Juan, ArgentinaMore
Nov 26, 2020 22:31
3 years ago
2.6

102 km
1 km W of Villa Basilio Nievas, Departamento de Zonda, San Juan, ArgentinaMore
Nov 26, 2020 00:24
3 years ago
2.7

98 km
44 km W of Ciudad de San Juan, Departamento de Capital, San Juan, ArgentinaMore
Nov 23, 2020 22:22
3 years ago
2.6

97 km
18 km SW of Villa Basilio Nievas, Departamento de Zonda, San Juan, ArgentinaMore
Nov 23, 2020 09:19
3 years ago
2.5

108 km
9.6 km SW of Villa Basilio Nievas, Departamento de Zonda, San Juan, ArgentinaMore
Nov 18, 2020 17:36
3 years ago
2.7

20 km
16 km NW of Villa Basilio Nievas, Departamento de Zonda, San Juan, ArgentinaMore
Nov 17, 2020 04:35
3 years ago
3.0

105 km
38 km NW of Ciudad de San Juan, Departamento de Capital, San Juan, ArgentinaMore
Nov 15, 2020 13:35
3 years ago
3.1

115 km
41 km W of Pocito, San Juan, ArgentinaMore
Nov 15, 2020 02:22
3 years ago
2.6

108 km
12 km SW of Villa Basilio Nievas, Departamento de Zonda, San Juan, ArgentinaMore
Nov 12, 2020 14:51
3 years ago
2.6

104 km
1.7 km SW of Villa Basilio Nievas, Departamento de Zonda, San Juan, ArgentinaMore
Nov 10, 2020 04:19
3 years ago
2.6

115 km
49 km W of Ciudad de San Juan, Departamento de Capital, San Juan, ArgentinaMore
Nov 10, 2020 03:00
3 years ago
2.5

102 km
40 km W of Ciudad de San Juan, Departamento de Capital, San Juan, ArgentinaMore
Nov 8, 2020 01:36
3 years ago
2.6

108 km
41 km W of Ciudad de San Juan, Departamento de Capital, San Juan, ArgentinaMore
Nov 7, 2020 06:00
3 years ago
2.5

115 km
58 km W of Ciudad de San Juan, Departamento de Capital, San Juan, ArgentinaMore
Nov 6, 2020 04:37
3 years ago
2.5

110 km
45 km W of Ciudad de San Juan, Departamento de Capital, San Juan, ArgentinaMore
Nov 5, 2020 09:11
3 years ago
2.8

110 km
30 km SE of Calingasta, San Juan, ArgentinaMore
Nov 4, 2020 05:30
3 years ago
2.7

108 km
38 km W of Ciudad de San Juan, Departamento de Capital, San Juan, ArgentinaMore
Nov 4, 2020 03:26
3 years ago
2.8

108 km
51 km W of Ciudad de San Juan, Departamento de Capital, San Juan, ArgentinaMore
Nov 3, 2020 20:51
3 years ago
2.9

106 km
3.7 km W of Villa Basilio Nievas, Departamento de Zonda, San Juan, ArgentinaMore
Nov 2, 2020 06:59
3 years ago
2.5

108 km
54 km W of Ciudad de San Juan, Departamento de Capital, San Juan, ArgentinaMore
Oct 31, 2020 19:14
3 years ago
3.2

107 km
15 km NW of Villa Basilio Nievas, Departamento de Zonda, San Juan, ArgentinaMore
Oct 30, 2020 06:50
3 years ago
2.6

79 km
47 km W of Ciudad de San Juan, Departamento de Capital, San Juan, ArgentinaMore
Oct 29, 2020 16:38
3 years ago
2.6

100 km
48 km W of Ciudad de San Juan, Departamento de Capital, San Juan, ArgentinaMore
Oct 28, 2020 20:37
3 years ago
2.7

100 km
58 km W of Ciudad de San Juan, Departamento de Capital, San Juan, ArgentinaMore
Oct 27, 2020 18:53
3 years ago
2.6

103 km
43 km SW of Ciudad de San Juan, Departamento de Capital, San Juan, ArgentinaMore
Oct 16, 2020 19:07
3 years ago
2.6

106 km
18 km SW of Villa Basilio Nievas, Departamento de Zonda, San Juan, ArgentinaMore
Oct 15, 2020 17:17
3 years ago
2.9

107 km
15 km W of Villa Basilio Nievas, Departamento de Zonda, San Juan, ArgentinaMore

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