CISN label

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Swarm near Obsidian Butte, CA

Earthquake Information

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Software (CISNDisplay
and ShakeCast)

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Advisory Committee

Standards Committee

Steering Committee

Operations Committee
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Map showing the recent swarm near Obsidian Butte, a northeast lineation of seismicity.

09/01/2005 Swarm near Obsidian Butte
CISN Earthquake Reports

Southern California Management Center

California Integrated Seismic Network
cisninfo@cisn.org

Last modified: Thu Jun 13 09:26:19 PDT 2013