Minor mag. 3.3 earthquake - 5km N of Atka, Alaska on Tuesday, 14 August 2018
14 Aug 22:28 UTC: First to report: USGS after 1 hour 9 minutes.
Local time at epicenter: 2018-08-14 11:19:16 -10:00
Depth: 9.5 km
Epicenter latitude / longitude: 52.2434°N / 174.1863°W (Alaska, United States)
Nearest volcano: Atka (10 km / 6 mi)
Nearby towns and cities:
5 km (3 mi) N of Atka (pop: 100)
172 km (107 mi) NE of Adak (pop: 300)
Primary data source: USGS
Estimated released energy: 5.6 x 109 joules (1.56 megawatt hours, equivalent to 1.34 tons of TNT) [learn more]
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.
|Time||Mag. / Depth||Location||Source|
|2018-08-14 11:19:16 -10:00 (14 Aug 21:19:16 UTC)||M 3.3 / 9.5 km||- 5km N of Atka, Alaska||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.