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Random pictures
Earthquakes under Mount St. Helens volcano during 1988-2016; magmatic recharge swarms are marked, along with the most recent earthquake swarm. (image: USGS / Cascade Volcano Observatory via Eruptions Blog)
Tuesday, May 10, 2016
Since the beginning of 2016, a swarm of small earthquakes has been occurring at under the volcano, suggesting that another phase of magma recharge is currently taking place. ... [more]
Saturday, Apr 20, 2013
(Very) tiny earthquakes occur regularly at the volcano, but nothing suggests anything unusual going on at the volcano for the moment. [more]
 

Mount St. Helens volcano

stratovolcano 2549 m / 8,363 ft, Washington, USA (mainland exept Alaska), 46.2°N / -122.18°W
Nearby recent earthquakes (within 30km radius):

Earthquake list: past 7 days (only M>=-0.8) (5 quakes)

Jump to quake statistics
 | archive: show
Earthquake depth plotUpdated: Sun, 21 Jul 15:06 UTC (GMT)
TimeMag. / DepthDistanceLocationMapSource
Thu, 18 Jul 2019
Thu, 18 Jul 17:36 UTCM 0.5 / 4.5 km - [info]Mount St. Helens (13 km) 32km NE of Amboy, Washington (USA)
[Map]
USGS
Wed, 17 Jul 2019
Wed, 17 Jul 08:56 UTCM 0.8 / 4.8 km - [info]Mount St. Helens (1 km) 37km NNE of Amboy, Washington (USA)
[Map]
USGS
Tue, 16 Jul 2019
Tue, 16 Jul 16:43 UTCM 0.2 / 2.3 km - [info]Mount St. Helens (0 km) 38km NNE of Amboy, Washington (USA)
[Map]
USGS
Mon, 15 Jul 2019
Mon, 15 Jul 19:28 UTCM 0.1 / 2.2 km - [info]Mount St. Helens (0 km) 38km NNE of Amboy, Washington (USA)
[Map]
USGS
Mon, 15 Jul 13:49 UTCM 0.2 / 3.8 km - [info]Mount St. Helens (5 km) 36km NE of Amboy, Washington (USA)
[Map]
USGS
Estimated combined seismic energy released: 1.7*10^6 J (0.471 KWh) [learn more]

Earthquake statistics

Number of earthquakes vs time:

Past 24 hrs:
Number of quakes and energy past 24 hours
Past 30 days:
Number of quakes and energy past 30 days
Past 90 days:
Number of quakes vs time
Magnitude distribution and energy released:
Past 24 hrs:
Number of quakes and energy vs magnitude past 24 hrsMagnitudes of quakes and energy vs time past 24 hrs
Past 7 days:
Number of quakes and energy vs magnitude past 7 days Magnitudes of quakes and energy vs time past 7 days
Past 30 days:
Number of quakes and energy vs magnitude past 30 daysMagnitudes of quakes and energy vs time past 30 days
 

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