Past earthquakes near Griggs volcano: May 2021 - list, stats and map

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Updated: Apr 16, 2024 23:43 GMT - refresh

During May 2021, Griggs volcano has had 17 quakes of magnitudes up to 3.0:

1 quake above magnitude 3
16 quakes below magnitude 2 that people normally don't feel.

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Strongest: Mag. 3.0 Earthquake 100 Km NNW of Karluk, Alaska, USA -

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Quakes, magnitude and depth over time

Depth and magnitude of quakes over time

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Showing quakes magnitude 0.5 or higher, within up to 30 km (19 mi) distance (17 quakes):

Past earthquakes near Griggs volcano: May 2021 - list, stats and map
Date and Time	Mag Depth	Distance	Location	Details
May 28, 2021 01:12 am (Anchorage)	0.2 2.2 km	12 km (7.7 mi) to the SE	83 Km NNW of Karluk, Alaska	Info
Monday, May 24, 2021 GMT (1 quake)
May 24, 2021 05:24 am (Anchorage)	0.6 1.2 km	10.8 km (6.7 mi) to the S	84 Km NNW of Karluk, Alaska	Info
Monday, May 17, 2021 GMT (2 quakes)
May 17, 2021 05:26 am (Anchorage)	0.7 2.8 km	24 km (15 mi) to the E	86 Km N of Karluk, Alaska	Info
May 17, 2021 12:30 am (Anchorage)	1.4 4.9 km	27 km (17 mi) to the E	85 Km N of Karluk, Alaska	Info
Wednesday, May 12, 2021 GMT (5 quakes)
May 12, 2021 12:56 pm (Anchorage)	1.2 2.7 km	27 km (17 mi) to the SW	85 Km NW of Karluk, Alaska, USA	Info
May 12, 2021 09:16 am (Anchorage)	1.9 0 km	14 km (8.8 mi) to the S	82 Km NNW of Karluk, Alaska, USA	Info
May 12, 2021 08:00 am (Anchorage)	1.4 0 km	8.5 km (5.3 mi) to the SE	86 Km NNW of Karluk, Alaska, USA	Info
May 12, 2021 06:18 am (Anchorage)	0.1 5.3 km	13 km (8 mi) to the S	86 Km NNW of Karluk, Alaska, USA	Info
May 12, 2021 05:32 am (Anchorage)	0.7 26 km	27 km (17 mi) to the SE	70 Km NNW of Karluk, Alaska, USA	Info
Monday, May 10, 2021 GMT (2 quakes)
May 9, 2021 07:35 pm (Anchorage)	0.3 5.7 km	13 km (8.3 mi) to the S	86 Km NNW of Karluk, Alaska, USA	Info
May 9, 2021 05:14 pm (Anchorage)	0.4 5 km	13 km (8.3 mi) to the S	86 Km NNW of Karluk, Alaska, USA	Info

About these data

Estimated combined seismic energy released: 2.1 x 10⁹ joules (593 kilowatt hours, equivalent to 0.51 tons of TNT) | about seismic energy

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