Geoscience Reference
In-Depth Information
Fig. 7.2
Location of major
submarine slides and debris flows
globally. Those parts of the
oceans with topography
susceptible to underwater
landslides are also marked. Based
on Moore (
1978
), Keating et al.
(
1987
), Holcomb and Searle
(
1991
) and Canals et al. (
2004
)
h
sufficient to trigger an earthquake. The classic example of a
cyclone-induced earthquake occurred during the Great Tokyo
Earthquake of 1923. A typhoon swept through the Tokyo
area on September 1st and was followed by an earthquake, a
submarine slide, and an 11 m high tsunami that evening. In
all, 143,000 people were killed. Measurements after the
earthquake indicated that parts of Sagami Bay had deepened
by 100-200 m with a maximum displacement of 590 m
