Moderate mag. 3.7 earthquake - 26 mi east of Port Heiden, Lake and Peninsula County, Alaska, USA, on 2016-04-06 18:31:35 -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 5 days earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in the US| Alaska
Moderate magnitude 3.7 earthquake at 2 km depth
7 Apr 03:06 UTC: First to report: USGS after 34 minutes.
Apr 7 15:06: Magnitude recalculated from 3.9 to 3.7.
Hypocenter depth recalculated from 10.3 to 2.4 km.
Apr 7 15:06: Magnitude recalculated from 3.9 to 3.7.
Hypocenter depth recalculated from 10.3 to 2.4 km.
Date & time: 7 Apr 2016 02:31:35 UTC
Local time at epicenter: 2016-04-06 18:31:35 -08:00
Magnitude: 3.7
Depth: 2.4 km
Epicenter latitude / longitude: 57.0809°N / 157.9913°W
(Lake and Peninsula County, Alaska, United States)Nearest volcano: Aniakchak (24 km / 15 mi)
Nearby towns and cities:
42 km (26 mi) ENE of Port Heiden (pop: 98) --> See nearby quakes!
60 km (37 mi) SW of Ugashik (pop: 12) --> See nearby quakes!
92 km (57 mi) NNE of Chignik Lagoon (pop: 78) --> See nearby quakes!
103 km (64 mi) NNE of Chignik Lake (pop: 73) --> See nearby quakes!
248 km (154 mi) NE of Sand Point (pop: 1,060) --> See nearby quakes!
332 km (206 mi) W of Kodiak Station (pop: 1,300) --> See nearby quakes!
343 km (213 mi) W of Kodiak (pop: 6,250) --> See nearby quakes!
350 km (218 mi) NE of King Cove (pop: 1,010) --> See nearby quakes!
467 km (290 mi) SW of Anchor Point (pop: 1,930) --> See nearby quakes!
471 km (293 mi) SW of Homer (pop: 5,520) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.2 x 1010 joules (6.22 megawatt hours, equivalent to 5.35 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 3.7 | 2.4 km | - 103km NNE of Chignik Lake, Alaska | USGS |
(shakemap: USGS)
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
Earlier earthquakes in the same area
Click here to search our database for earlier earthquakes in the same area since 1900!
