Scientists scour 'Mexico's Galapagos' for quake, volcano clues

Could a volcanic eruption off Mexico's coast unleash a tsunami like the one that devastated Tonga? What really causes tectonic plates to shift and trigger earthquakes? Scientists visited a remote archipelago in search of ...

Radiometric dating sheds light on tectonic debate

At the far edges of continents, where the continental shelf transitions into the deep ocean, continental and oceanic plates come face to face. At many of these margins, the denser oceanic plate is pushed below the continental ...

Earthquake depth impacts potential tsunami threat

Earthquakes of similar magnitude can cause tsunamis of greatly varying sizes. This commonly observed, but not well-understood phenomenon has hindered reliable warnings of local tsunamis.

Major Mexico earthquake causes damage, one death

A 7.1-magnitude earthquake that struck near Mexico's Pacific resort city of Acapulco left at least one person dead and damaged hospitals, homes, shops and hotels, authorities said Wednesday.

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