The quake struck near the tsunami-generating quake that hit the area in 2004.
Tsunamis are a series of massive waves that ripple out from the earthquake, volcanic eruption, landslide or underwater detonation that caused them. These huge waves can travel thousands of miles across ocean basins. While out at sea, wave heights are small, but as a tsunami approaches shore, the rise of the continental slope means water levels are shallower, and the wave begins to narrow and become higher. Read below for the latest news on tsunamis and tsunami research.
Geophysicists from seven research institutions are working to answer the question of when the western US will face a similar earthquake and tsunami threat as what happened in Japan.
The magnitude 9.0 earthquake and subsequent tsunami that hit Japan last March have changed the way scientists and leaders plan for disasters.
In the aftermath of the Japan earthquake and tsunami, elders are at risk for unique psychological troubles.