Strong mag. 6.9 earthquake - Jujuy, Argentina, on Sunday, 21 February 1971 at 10:35 (GMT)
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Strong magnitude 6.9 earthquake at 184 km depth
Depth: 183.7 km
Epicenter latitude / longitude: 23.804°S / 67.151°W (Argentina)
Nearest volcano: Laco (36 km / 22 mi)
Nearby towns and cities:
1472 km (915 mi) NW of Buenos Aires (pop: 13,076,300) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 1015 joules (392 gigawatt hours, equivalent to 3.4 x 105 tons of TNT or 21.1 atomic bombs!) More info
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.
|M 6.9||184 km||Jujuy, Argentina||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Aftershocks of the 6.9 quake Jujuy, Argentina, 21 February 1971 10:35 GMT
More infoRecorded aftershocks, latest first (1 quakes):
- 29 Jun 1971 06:01 UTC| M 5.6 |80 km (49.7 mi) depth|161 km (100 mi) distance| USGS | Details