Scientists Study Earthquake Swarm Near Maupin

(PhysOrg.com) -- During the last two years more than 350 small earthquakes have been recorded just outside the small eastern Oregon town of Maupin and scientists are unsure what is triggering the activity.

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<p><a href="http://www.physorg.com/news149265865.html">Scientists Study Earthquake Swarm Near Maupin</a></p> <p>(PhysOrg.com) -- During the last two years more than 350 small earthquakes have been recorded just outside the small eastern Oregon town of Maupin and scientists are unsure what is triggering the activity.</p>