Strong mag. 6.1 earthquake - Rat Islands, Aleutian Islands, Alaska (USA) on Monday, 4 July 1955
Depth: 48.0 km
Epicenter latitude / longitude: 51.377°N / 177.339°E (Alaska, United States)
Nearest volcano: Kiska (83 km / 52 mi)
Primary data source: USGS
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) [learn more]
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.
|Time||Mag. / Depth||Location||Source|
|Mon, 4 Jul 14:19 UTC||M 6.1 / 48 km||Rat Islands, Aleutian Islands, Alaska (USA)||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 6.1 quake: Rat Islands, Aleutian Islands, Alaska (USA), 4 Jul 1955 14:19
More infoRecorded aftershocks, latest first (1 quakes):
- 09 Oct 1955 23:13 UTC| M 5.8 |35 km (21.7 mi) depth|13 km (8 mi) distance| USGS | Details