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

Updated: Dec 6, 2022 03:34 GMT -
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Quakes in 2021:

  • 1 quake above magnitude 3
  • 10 quakes between magnitude 2 and 3
In 2021, Sumon volcano had 1 quake of magnitude 3.1 and 10 quakes between 2.0 and 3.0.

Strongest quake: Mag. 3.1 | 17 km S of Nagaoka, Niigata, Japan -

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Showing quakes magnitude 0.1 or higher (11 quakes):
Date and timeMag
Depth
DistanceLocationDetailsMap
Tuesday, December 28, 2021 GMT (1 quake)
Dec 28, 2021 9:59 pm (GMT +9) (Dec 28, 2021 12:59 GMT)
2.5

178 km
15 km (9.3 mi)16 km southeast of Sandyo, Sanjō Shi, Niigata, Japan MoreMap
Monday, October 25, 2021 GMT (1 quake)
Oct 26, 2021 2:39 am (GMT +9) (Oct 25, 2021 17:39 GMT)
2.6

172 km
32 km (20 mi)Fukushima, 78 km southeast of Niigata, Japan MoreMap
Saturday, August 28, 2021 GMT (1 quake)
Aug 29, 2021 4:13 am (GMT +9) (Aug 28, 2021 19:13 GMT)
2.5

19 km
24 km (15 mi)6.5 km south of Sandyo, Sanjō Shi, Niigata, Japan MoreMap
Monday, August 9, 2021 GMT (2 quakes)
Aug 9, 2021 1:35 pm (GMT +9) (Aug 9, 2021 04:35 GMT)
2.7

12 km
25 km (16 mi)7.1 km east of Ojiya, Niigata, Japan MoreMap
Aug 9, 2021 12:52 pm (GMT +9) (Aug 9, 2021 03:52 GMT)
3.1

12 km
24 km (15 mi)17 km south of Nagaoka, Niigata, Japan MoreMap
Friday, June 18, 2021 GMT (1 quake)
Jun 19, 2021 03:54:23.23 (Jun 18, 2021 18:54 GMT)
2.9

8.9 km
39 km (24 mi)23 km southeast of Niitsu, Niigata Shi, Japan MoreMap
Thursday, May 27, 2021 GMT (1 quake)
May 28, 2021 03:10:26.07 (May 27, 2021 18:10 GMT)
2.7

146 km
32 km (20 mi)Fukushima, 82 km northwest of Utsunomiya, Prefectura de Tochigi, Japan MoreMap
Tuesday, March 23, 2021 GMT (1 quake)
Mar 24, 2021 3:59 am (GMT +9) (Mar 23, 2021 18:59 GMT)
2.6

8.7 km
6.7 km (4.2 mi)18 km east of Tochio-honchō, Nagaoka Shi, Niigata, Japan MoreMap
Friday, January 22, 2021 GMT (1 quake)
Jan 23, 2021 3:46 am (GMT +9) (Jan 22, 2021 18:46 GMT)
2.9

3.5 km
28 km (17 mi)Fukushima, 50 km southeast of Sandyo, Sanjō Shi, Niigata, Japan MoreMap
Sunday, January 17, 2021 GMT (1 quake)
Jan 17, 2021 5:36 pm (GMT +9) (Jan 17, 2021 08:36 GMT)
2.8

67 km
24 km (15 mi)Fukushima, 51 km east of Nagaoka, Niigata, Japan MoreMap
Wednesday, January 13, 2021 GMT (1 quake)
Jan 13, 2021 9:07 am (GMT +9) (Jan 13, 2021 00:07 GMT)
2.6

6.2 km
28 km (17 mi)Fukushima, 55 km east of Nagaoka, Niigata, Japan MoreMap
Estimated combined seismic energy released: 1 x 1010 joules (2.85 megawatt hours, equivalent to 2.46 tons of TNT) | about seismic energy

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