Moderate mag. 4.9 earthquake - Gulf of Alaska, 79 mi south of Kodiak, Alaska, USA, on Sunday, 16 April 1978 at 09:50 (GMT)
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Moderate magnitude 4.9 earthquake at 24 km depth
Date & time: 16 Apr 1978 09:50:52 UTC
Depth: 24.0 km
Epicenter latitude / longitude: 56.663°N / 152.757°W (Gulf of Alaska, Alaska, United States)
Nearest volcano: Unnamed 57.87°N/155.42°W (209 km / 130 mi)
Nearby towns and cities:
69 km (43 mi) SSE of Old Harbor (pop: 221) --> See nearby quakes!
92 km (57 mi) ESE of Akhiok (pop: 72) --> See nearby quakes!
113 km (71 mi) S of Womens Bay (pop: 719) --> See nearby quakes!
123 km (76 mi) S of Kodiak Station (pop: 1,300) --> See nearby quakes!
127 km (79 mi) S of Kodiak (pop: 6,250) --> See nearby quakes!
134 km (83 mi) S of Port Lions (pop: 197) --> See nearby quakes!
339 km (211 mi) SSW of Homer (pop: 5,520) --> See nearby quakes!
351 km (218 mi) S of Anchor Point (pop: 1,930) --> See nearby quakes!
352 km (219 mi) SSW of Fritz Creek (pop: 1,930) --> See nearby quakes!
429 km (266 mi) SSW of Seward (pop: 2,790) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 tons of TNT) More info
Data for the same earthquake reported by different agencies
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|4.9||24 km||Kodiak 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.