undersea earthquake

An undersea earthquake is a sudden release of energy along faults beneath the ocean floor, causing seismic shaking that can displace large volumes of water and potentially generate tsunamis.

Aliases (3)

• earthquake in Japan ×1
• subduction zone earthquake ×1
• tsunamigenic earthquake ×1

Instances (5)

• 2004 Indian Ocean earthquake and tsunami
• 2011 Tōhoku earthquake and tsunami
• 2010 Chile earthquake ("subduction zone earthquake")