Latest earthquakes near Mount St. Helens volcano past 14 days

Updated 31 Jul 2021 15:11 GMT -
There were 14 small quakes between magnitudes 1.0 and 1.6 near Mount St. Helens volcano during the past 14 days.
Biggest quake: 1.6 quake 20 Km E of Castle Rock, Washington, 17 July 2021 16:43 GMT
Most recent quake: 0.5 quake 29 Km S of Morton, Washington, 30 July 2021 14:21 GMT
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Depth and magnitude of quakes versus time plot
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Showing quakes magnitude 0.1 or higher (14 quakes):
Date and timeMag
Depth
DistanceLocationDetailsMap
Fri, 30 Jul 2021 (GMT) (1 earthquake)
30 Jul 2021 14:21:58 GMT
0.5

5.6 km
12 km (7.5 mi)29 Km S of Morton, Washington MoreMap
Thu, 29 Jul 2021 (GMT) (1 earthquake)
29 Jul 2021 13:08:28 GMT
0.5

0.8 km
1.3 km (0.8 mi)37 Km NNE of Amboy, Washington MoreMap
Mon, 26 Jul 2021 (GMT) (3 earthquakes)
26 Jul 2021 22:36:12 GMT
0.1

0.7 km
1.7 km (1.1 mi)37 Km NNE of Amboy, Washington MoreMap
26 Jul 2021 08:48:11 GMT
0.6

15 km
32 km (20 mi)6 Km NNE of Amboy, Washington MoreMap
26 Jul 2021 01:31:59 GMT
0.3

1.8 km
2.5 km (1.6 mi)38 Km NNE of Amboy, Washington MoreMap
Sat, 24 Jul 2021 (GMT) (2 earthquakes)
24 Jul 2021 16:42:12 GMT
0.1

2.7 km
10.4 km (6.5 mi)31 Km NE of Amboy, Washington MoreMap
24 Jul 2021 08:15:39 GMT
1.0

18 km
39 km (24 mi)5 Km ESE of Mossyrock, Washington MoreMap
Tue, 20 Jul 2021 (GMT) (1 earthquake)
20 Jul 2021 23:36:37 GMT
0.5

16 km
23 km (14 mi)16 Km N of Amboy, Washington MoreMap
Mon, 19 Jul 2021 (GMT) (2 earthquakes)
19 Jul 2021 12:12:01 GMT
0.4

11 km
12 km (7.5 mi)35 Km SSE of Morton, Washington MoreMap
19 Jul 2021 06:10:47 GMT
0.9

17 km
35 km (22 mi)21 Km E of Castle Rock, Washington MoreMap
Sun, 18 Jul 2021 (GMT) (2 earthquakes)
18 Jul 2021 23:39:37 GMT
0.7

6.1 km
12 km (7.5 mi)39 Km NE of Amboy, Washington MoreMap
18 Jul 2021 13:43:04 GMT
1.2

11 km
28 km (17 mi)15 Km N of Amboy, Washington MoreMap
Sat, 17 Jul 2021 (GMT) (2 earthquakes)
17 Jul 2021 19:57:13 GMT
0.7

0.6 km
36 km (22 mi)15 Km E of Yacolt, Washington MoreMap
17 Jul 2021 16:43:10 GMT
1.6

14 km
36 km (22 mi)20 Km E of Castle Rock, Washington MoreMap
Estimated combined seismic energy released: 2.7 x 107 joules (7.45 kilowatt hours) More info
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Magnitude distribution and energy released:
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