AFTERSHOCK
Initializing Seismic Monitor
AFTERSHOCK
U.S. Seismic Activity Monitor ·
← brooksgroves.com
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Events / 30d
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Largest
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States Active
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☢ Hiroshima Equiv.
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Data: USGS Earthquake Hazards Program
Time Window
1D
3D
7D
14D
30D
Min Magnitude
1.5
Magnitude
M 1.5 – 1.9
M 2.0 – 2.9
M 3.0 – 3.9
M 4.0 – 4.9
M 5.0 – 5.9
M 6.0+
National Overview — Past 30 Days
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← National
Recent Significant (M 3.0+)