Suruga Trough

The Suruga Trough (駿河トラフ, Suruga Torafu) is a trough that lies off the coast of Suruga Bay in Japan, forming part of the Nankai Trough, the latter being responsible the source of many large earthquakes in Japan's history. Both mark the boundary of the Philippine Sea Plate subducting under the Amurian Plate.

The yellow line is the Suruga Trough, part of the longer Nankai Trough in red.

See also

• Japan Median Tectonic Line
• List of earthquakes in Japan
• Sagami Trough