A 5.2 magnitude quake shook South Aceh Friday evening with no tsunami threat. BMKG urges caution for possible aftershocks.

Japan’s new earthquake-detection network lengthens warning times, and researchers in Wales have harnessed nuclear blast ...

Geologists discover that a huge prehistoric tsunami carried amber from coastal forests to deep waters in Japan 115 million ...

Just off the coast of the Pacific Northwest is the Cascadia Subduction Zone, a complex collection of earthquake faults ...