Moderate mag. 4.5 earthquake - North Pacific Ocean, 72 mi south of Sanak Island, Aleutians East County, Alaska, USA, on Sunday, 22 May 1988 at 13:37 (GMT)
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Moderate magnitude 4.5 earthquake at 33 km depth
Date & time: 22 May 1988 13:37:49 UTC
Depth: 33.0 km
Epicenter latitude / longitude: 53.436°N / 163.268°W (North Pacific Ocean, Alaska, United States)
Nearest volcano: Westdahl (151 km / 94 mi)
Nearby towns and cities:
158 km (98 mi) S of False Pass (pop: 40) --> See nearby quakes!
182 km (113 mi) ESE of Akutan (pop: 1,040) --> See nearby quakes!
191 km (119 mi) SSW of King Cove (pop: 1,010) --> See nearby quakes!
198 km (123 mi) S of Cold Bay (pop: 123) --> See nearby quakes!
221 km (137 mi) E of Unalaska (pop: 4,490) --> See nearby quakes!
277 km (172 mi) SW of Sand Point (pop: 1,060) --> See nearby quakes!
314 km (195 mi) SSW of Nelson Lagoon (pop: 52) --> See nearby quakes!
382 km (237 mi) SW of Perryville (pop: 113) --> See nearby quakes!
426 km (265 mi) SW of Chignik Lake (pop: 73) --> See nearby quakes!
440 km (274 mi) SW of Chignik Lagoon (pop: 78) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 tons of TNT) 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.
|4.5||33 km||Unimak Island region, Alaska (USA)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.