Tanna Fault

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Tanna Fault surface rupture
Ravine of Tanna Fault viewed from N

Tanna Fault (丹那断層 Tanna Dansō?) is a left lateral fault which runs along the northeast side of Izu Peninsula south 30 km to Izu City. It was responsible for the 1930 North Izu earthquake, magnitude 7.0 Kita-Izu Earthquake (北伊豆地震).[1]


  1. ^ http://www.bssaonline.org/cgi/content/abstract/69/5/1343 Seismological Society of America: Static and dynamic parameters of the Izu-Oshima, Japan earthquake of January 14, 1978]

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Coordinates: 35°05′47″N 139°01′04″E / 35.09639°N 139.01778°E / 35.09639; 139.01778