Moderate mag. 4.3 earthquake - 36 mi east of Port Heiden, Lake and Peninsula County, Alaska, USA, on Saturday, 2 April 2016 at 09:06 (GMT)
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 3 hours earlier.
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Moderate magnitude 4.3 earthquake at 10 km depth
2 Apr 09:30 UTC: First to report: EMSC after 24 minutes.
Apr 3 01:30: Magnitude recalculated from 4.2 to 4.3.
Apr 3 01:30: Magnitude recalculated from 4.2 to 4.3.
Date & time: 2 Apr 2016 09:06:01 UTC
Magnitude: 4.3
Depth: 10.0 km
Epicenter latitude / longitude: 57.13°N / 157.73°W
(Lake and Peninsula County, Alaska, United States)Nearest volcano: Yantarni (36 km / 22 mi)
Nearby towns and cities:
47 km (29 mi) SSW of Ugashik (pop: 12) --> See nearby quakes!
58 km (36 mi) ENE of Port Heiden (pop: 98) --> See nearby quakes!
263 km (163 mi) NE of Sand Point (pop: 1,060) --> See nearby quakes!
315 km (196 mi) W of Kodiak Station (pop: 1,300) --> See nearby quakes!
327 km (203 mi) W of Kodiak (pop: 6,250) --> See nearby quakes!
456 km (283 mi) SW of Homer (pop: 5,520) --> See nearby quakes!
468 km (291 mi) SSE of Bethel (pop: 6,450) --> See nearby quakes!
521 km (324 mi) SW of Kalifornsky (pop: 7,850) --> See nearby quakes!
636 km (395 mi) SW of Anchorage (pop: 298,700) --> See nearby quakes!
670 km (416 mi) SW of Knik-Fairview (pop: 14,900) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 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 4.3 | 10 km | ALASKA PENINSULA | EMSC |
| M 4.1 | 4.7 km | - 118km NNE of Chignik Lake, Alaska | USGS |
(shakemap: USGS)
User reports for this quake
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