Minor mag. 3.4 earthquake - 25 Km WNW of Clam Gulch, Alaska, USA on Wednesday, 16 September 2020
16 Sep 21:00 UTC: First to report: USGS after 3 hours.
Depth: 52.5 km
Epicenter latitude / longitude: 60.3412°N / 151.8074°W (Alaska, United States)
Nearest volcano: Redoubt (54 km / 34 mi)
Nearby towns and cities:
26 km (16 mi) NW of Clam Gulch (pop: 200)
28 km (17 mi) W of Cohoe (pop: 1,400)
29 km (18 mi) W of Kasilof (pop: 500)
142 km (88 mi) SW of Anchorage (pop: 298,700)
163 km (101 mi) SW of Eagle River (pop: 24,800)
177 km (110 mi) SW of Knik-Fairview (pop: 14,900)
Primary data source: USGS
Estimated released energy: 7.9 x 109 joules (2.21 megawatt hours, equivalent to 1.9 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|
|Wed, 16 Sep 17:32 UTC||M 3.4 / 52.5 km||25 Km WNW of Clam Gulch, Alaska, USA||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.