Moderate mag. 4.0 earthquake - 30 mi east of Port Heiden, Lake and Peninsula County, Alaska, USA, on Monday, 2 May 2016 at 04:37 (GMT)
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Moderate magnitude 4.0 earthquake at 3 km depth
2 May 04:53 UTC: First to report: EMSC after 16 minutes.
Hypocenter depth recalculated from 5.0 to 12.0 km.
May 2 05:32: Magnitude recalculated from 4.1 to 4.0.
Hypocenter depth recalculated from 12.0 to 3.0 km.
Hypocenter depth recalculated from 5.0 to 12.0 km.
May 2 05:32: Magnitude recalculated from 4.1 to 4.0.
Hypocenter depth recalculated from 12.0 to 3.0 km.
Date & time: 2 May 2016 04:37:21 UTC
Magnitude: 4
Depth: 3.0 km
Epicenter latitude / longitude: 57.02°N / 157.84°W
(Lake and Peninsula County, Alaska, United States)Nearest volcano: Aniakchak (28 km / 17 mi)
Nearby towns and cities:
49 km (30 mi) E of Port Heiden (pop: 98) --> See nearby quakes!
61 km (38 mi) SSW of Ugashik (pop: 12) --> See nearby quakes!
249 km (155 mi) NE of Sand Point (pop: 1,060) --> See nearby quakes!
325 km (202 mi) WSW of Kodiak Station (pop: 1,300) --> See nearby quakes!
337 km (209 mi) WSW of Kodiak (pop: 6,250) --> See nearby quakes!
353 km (220 mi) NE of King Cove (pop: 1,010) --> See nearby quakes!
469 km (291 mi) SW of Homer (pop: 5,520) --> See nearby quakes!
476 km (296 mi) SSE of Bethel (pop: 6,450) --> See nearby quakes!
534 km (332 mi) SW of Kalifornsky (pop: 7,850) --> See nearby quakes!
650 km (404 mi) SW of Anchorage (pop: 298,700) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 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 4.0 | 3 km | ALASKA PENINSULA | EMSC |
| M 4.0 | 3.3 km | - 102km NNE of Chignik Lake, Alaska | USGS |
(shakemap: USGS)
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