Moderate mag. 5.0 earthquake - San Juan, Argentina, on Saturday, 20 July 1991 at 00:03 (GMT)

Moderate mag. 5.0 earthquake - San Juan, Argentina, on Saturday, 20 July 1991 at 00:03 (GMT)

Moderate magnitude 5.0 earthquake at 90 km depth

Date & time: 20 Jul 1991 00:03:35 UTC
Magnitude: 5
Depth: 90.2 km
Epicenter latitude / longitude: 28.65°S / 69.652°W (Argentina)
Nearest volcano: Incapillo (118 km / 73 mi)
Nearby towns and cities:
108 km (67 mi) E of Vallenar (Chile) (pop: 44,900) --> See nearby quakes!
142 km (88 mi) W of Vinchina (pop: 2,830) --> See nearby quakes!
158 km (98 mi) SSE of Copiapo (Chile) (pop: 129,300) --> See nearby quakes!
197 km (123 mi) NNW of San José de Jachal (pop: 21,000) --> See nearby quakes!
209 km (130 mi) NE of La Serena (Chile) (pop: 154,500) --> See nearby quakes!
217 km (135 mi) WNW of Chilecito (pop: 42,200) --> See nearby quakes!
219 km (136 mi) NE of Coquimbo (Chile) (pop: 161,300) --> See nearby quakes!
285 km (177 mi) WNW of La Rioja (pop: 162,600) --> See nearby quakes!
339 km (210 mi) NNW of San Juan (pop: 447,000) --> See nearby quakes!
1256 km (780 mi) WNW of Buenos Aires (pop: 13,076,300) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 tons of TNT) More info
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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.
MagnitudeDepthLocationSource
M 5.090 kmSan Juan, ArgentinaUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Aftershocks of the 5.0 quake San Juan, Argentina, 20 July 1991 00:03 GMT

More info
Recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.
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Earlier earthquakes in the same area

Moderate mag. 5.0 earthquake - San Juan, Argentina, on Saturday, 20 July 1991 at 00:03 (GMT)
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