News tagged with seismic instruments

The Earth shook, but it wasn't an earthquake

The East Coast boom issue dates to at least the winter of 1977-78, when similar shock waves hit many communities. The military denied responsibility, so rumors and speculations abounded: secret weapons tests; operations of ...

dateFeb 05, 2016 in Earth Sciences
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'Highway from hell' fueled Costa Rican volcano

If some volcanoes operate on geologic timescales, Costa Rica's Irazú had something of a short fuse. In a new study in the journal Nature, scientists suggest that the 1960s eruption of Costa Rica's largest stratovolcano was ...

dateJul 31, 2013 in Earth Sciences
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Hawaiian hot spot has deep roots

(PhysOrg.com) -- Hawaii may be paradise for vacationers, but for geologists it has long been a puzzle. Plate tectonic theory readily explains the existence of volcanoes at boundaries where plates split apart or collide, but ...

dateDec 03, 2009 in Earth Sciences
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