South Carolina had over 200 earthquakes in the last 15 years. Scientists still don't know why.
South Carolina has high seismic activity despite not being on a plate boundary. Scientists still don't know the answer for ...
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Earthquake of magnitude 6 jolts Santa Cruz
"This area experiences much plate movement as Santa Cruz Island "has upper plate strike-slip and normal faulting, plate boundary under-thrusting, outer rise extensional faulting, and intraplate ...