Shallow Earthquakes Strike CA, ID, IL, UT

BTT-291D

Significant earthquakes rattle Westwood, CA and Albion, IL —USGS

Earthquake Strikes 5km NW of Westwood, California

Magnitude: 3.6 ml  [USGS]
Location: 34.087°N 118.476°W
Depth: 10.5 km
Time: 2017-09-19 06:20:44 (UTC)
Felt Reports: 8,422 Responses

Earthquake Strikes 12km ENE of Albion, Illinois

Magnitude: 3.8 mw
Location: 38.424°N 87.910°W
Depth: 11.7 km
Time: 2017-09-19 11:47:28 (UTC)
Felt Reports: 1,096 Responses

Earthquakes Strike near Summit Park and Soda Springs, Idaho

Magnitude 3.3 ml
Location: 40.701°N 111.609°W [4km S of Summit Park, Utah]
Depth: 11.0 km
Time: 2017-09-18 17:21:18 (UTC)
Felt Reports: 621 Responses

M 3.5 ml
Location: 42.614°N 111.443°W [14km ESE of Soda Springs, Idaho]
Depth: 8.3 km
Time: 2017-09-19 15:27:13 (UTC)
Felt Reports: 17 Responses

Idaho Seismic Swarm Spreads Over 400 Km²

GPSC-209W

M4.5 Strikes SE of Soda Springs

A swarm of at least 155 earthquakes have now struck near Soda Springs, Idaho, spreading over an area of about 400 km²  (~ 155 squared miles) since September 2, 2017.

The largest event measured 4.5 mwr, striking  42.612°N, 111.523°W at a depth of 5.8 km, USGS reported.

Idaho earthquake swarm map -USGS.

Related Links:

• EARTHQUAKE SWARM IN IDAHO CONSISTENT WITH SIGNIFICANT MAGMA MOVEMENT

EARTHQUAKE SWARM IN IDAHO CONSISTENT WITH SIGNIFICANT MAGMA MOVEMENT

GPSC-113B

Strong Seismic Cluster Striking Soda Springs, Idaho; M5.3 Event Largest Shock

A cluster of at least 34 earthquakes including shocks measuring magnitudes 5.3, 4.3 and 4.2 have struck the State of Idaho. The seismicity appears ongoing, and the pattern is consistent with large-scale magma movement.

EQ Details:
Magnitude: 5.3mww
Location: 42.624°N, 111.391°W; 9.2 km depth  [17km E of Soda Springs, Idaho]
Date-Time: 2017-09-02, 23:56:52 UTC

Felt reports: 1,691  (as of posting)

Idaho Earthquake Swarm Location Map. USGS

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