Moderate mag. 4.5 earthquake - Gulf of Alaska, 112 mi south of Kodiak, Alaska, USA, on Thursday, 13 April 1978 at 13:59 (GMT)

Moderate mag. 4.5 earthquake - Gulf of Alaska, 112 mi south of Kodiak, Alaska, USA, on Thursday, 13 April 1978 at 13:59 (GMT)

Moderate magnitude 4.5 earthquake at 33 km depth

Date & time: 13 Apr 1978 13:59:58 UTC
Magnitude: 4.5
Depth: 33.0 km
Epicenter latitude / longitude: 56.167°N / 152.173°W (Gulf of Alaska, Alaska, United States)
Nearby towns and cities:
134 km (84 mi) SSE of Old Harbor (pop: 221) --> See nearby quakes!
180 km (112 mi) S of Kodiak Station (pop: 1,300) --> See nearby quakes!
181 km (112 mi) S of Kodiak (pop: 6,250) --> See nearby quakes!
388 km (241 mi) S of Homer (pop: 5,520) --> See nearby quakes!
400 km (249 mi) S of Fritz Creek (pop: 1,930) --> See nearby quakes!
402 km (250 mi) S of Anchor Point (pop: 1,930) --> See nearby quakes!
476 km (296 mi) S of Kalifornsky (pop: 7,850) --> See nearby quakes!
485 km (301 mi) S of Soldotna (pop: 4,540) --> See nearby quakes!
491 km (305 mi) S of Kenai (pop: 7,660) --> See nearby quakes!
493 km (306 mi) S of Sterling (pop: 5,620) --> 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
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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
4.533 kmKodiak Island region, Alaska (USA)USGS
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User reports for this quake

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