Moderate mag. 3.6 earthquake - 27 mi east of Port Heiden, Lake and Peninsula County, Alaska, USA, on 2016-04-01 22:19:40 -08:00
This quake was likely an aftershock of the 6.2 quake 29 mi northeast of Port Heiden, Lake and Peninsula County, Alaska, USA, 2 April 2016 05:50 GMT, which had occurred 30 minutes earlier.
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Moderate magnitude 3.6 earthquake at 3 km depth
2 Apr 06:56 UTC: First to report: USGS after 36 minutes.
Apr 2 07:12: Magnitude recalculated from 3.9 to 3.6.
Hypocenter depth recalculated from 12.5 to 3.1 km.
Apr 2 07:12: Magnitude recalculated from 3.9 to 3.6.
Hypocenter depth recalculated from 12.5 to 3.1 km.
Date & time: 2 Apr 2016 06:19:40 UTC
Local time at epicenter: 2016-04-01 22:19:40 -08:00
Magnitude: 3.6
Depth: 3.1 km
Epicenter latitude / longitude: 56.9563°N / 157.9219°W

Nearest volcano: Aniakchak (18 km / 11 mi)
Nearby towns and cities:
43 km (27 mi) E of Port Heiden (pop: 98) --> See nearby quakes!
70 km (43 mi) SSW of Ugashik (pop: 12) --> See nearby quakes!
81 km (50 mi) NNE of Chignik Lagoon (pop: 78) --> See nearby quakes!
93 km (58 mi) NNE of Chignik Lake (pop: 73) --> See nearby quakes!
241 km (150 mi) NE of Sand Point (pop: 1,060) --> See nearby quakes!
332 km (206 mi) WSW of Kodiak Station (pop: 1,300) --> See nearby quakes!
343 km (213 mi) WSW of Kodiak (pop: 6,250) --> See nearby quakes!
345 km (214 mi) NE of King Cove (pop: 1,010) --> See nearby quakes!
474 km (294 mi) SW of Anchor Point (pop: 1,930) --> See nearby quakes!
477 km (296 mi) SW of Homer (pop: 5,520) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.6 x 1010 joules (4.4 megawatt hours, equivalent to 3.79 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.
Magnitude | Depth | Location | Source |
M 3.6 | 3.1 km | - 93km NNE of Chignik Lake, Alaska | USGS |
User reports for this quake (1)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.