Review of Previous Studies on M -class Earthquakes …Takeo Ishibe *, Akihito Nishiyama , Kenji...

34
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Transcript of Review of Previous Studies on M -class Earthquakes …Takeo Ishibe *, Akihito Nishiyama , Kenji...

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Bull. Earthq. Res. Inst.

Univ. Tokyo

Vol. pp.

* e-mail : [email protected]

the Meiji-Tokyo earthquake, the and Ibaraki-ken Nanbu earthquakes, the Uraga-

Earthquake Research Institute, University of Tokyo

Association for Earthquake Disaster Prevention

The Earthquake Research Committee of the Headquarters of Earthquake Research and Promo-

tion estimated the probability of an earthquake of magnitude around . occurring during the next

years as . This is based on five earthquakes that occurred in the southern Kanto region (i.e.,

channel earthquake and the Chiba-ken Toho-Oki earthquake). However, it has been revealed

that the Kanto region is situated on complicated tectonic conditions due to subduction of the Phil-

ippine Sea Plate and the Pacific Plate beneath the continental plate, and that various types of earth-

quake occur. Therefore, it is necessary to classify these earthquakes into interplate and slab earth-

quakes, and to estimate their recurrence intervals. In this paper, at the outset of such studies, we

review previous studies on two earthquakes (the Meiji-Tokyo and Ibaraki-ken Nanbu

earthquakes) that occurred in the Meiji era and collect the data.

: M class earthquakes, the Meiji Tokyo Earthquake, the Ibaraki-ken Nanbu

Earthquake, the southern Kanto region

PAC PHS

Matsu’ura

Abe, PHS

*

Takeo Ishibe *, Akihito Nishiyama , Kenji Satake and Kunihiko Shimazaki

et al.,

Abstract

Key words

The Meiji Tokyo Earthquake and the Ibaraki-ken Nanbu

Earthquake

M

Review of Previous Studies on M -class Earthquakes

that Occurred in the Southern Kanto Region and Data

Collection

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Fig. . Five earthquakes (i.e., the Meiji-Tokyo earthquake, the Ibaraki-ken Nanbu

earthquake, the Ibaraki-ken Nanbu (Ryugasaki) earthquake, the Uraga-channel

earthquake and the Chiba-ken Toho-Oki earthquake) used to estimate the occurrence

probability of ‘other M class earthquakes have occurred in the southern Kanto region’.

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Fig. . Photographs of damage caused by the Meiji-Tokyo earthquake (left : southern

face of Rikkyo university at Tsukiji ; right : Kakizawa factory at Yokokawa, Honsho).

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Fig. . Leveling survey conducted before and after the Meiji-Tokyo earthquake

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Bakun, W.H., , Magnitude and location of historical earth-

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.

.

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.

suppl. .

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a fault : The Saitama earthquake of September , ,

, .

.

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. b,

.

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165

Destructive Earthquake of June,

M

amplitude for magnitude calculation,

, . .

b,

. .

No. .

Magnitude .

.

.

.

a,

.

. Okada, Y. and K. Kasahara, , Earthquake of , o

b, Chiba, central Japan and possible triggering of eastern

Tokyo earthquake of , , .

.

A

.

a, .

. a,

b, .

. b,

a, . .

b, . c,

a, .

. a,

b, .

. b,

c, .

. Omori F., , Note on the Tokyo Earthquake of June th

d, ,

. , .

e, .

.

.

pp.

No.

.

pp.

E .

.

. .

Matsu’ura, M., T. Iwasaki, Y. Suzuki and R. Sato, , Stat-

ical and Dynamical Study on Faulting Mechanism of .

the Kanto Earthquake,

, . .

. .

Sekiya S. and F. Omori., , The Diagram of the Semi-

, ( ).

. Sekiya S. and F. Omori., , The Diagram of the Semi-

destructive Earthquake of June th (Tokyo),

.

. , .

.

. Shimazaki K., , Unusually low seismic activity in the

a, focal region of the great Kanto earthquake of .

J. Coll. of Sci. Imp. Univ.

Papers in Meteor-ology and Geophysics,

Tectonophysics,

Publications of the Earthquake Investigation Com-mittee in foreign language,

Journal of Physics of theEarth,

Tokyo,

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Tec-

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pp.

. Utsu T., , Space-time pattern of large earthquakes oc-

curring o the Pacific coast of the Japanese islands,

. , .

M

.

. pp.

Tanabe S., B. Mano, , Cheminees d’usine ayant sou ert Wessel, P. and W.H.F. Smith, , Free software helps map

des secousses de tremblement, and display data, , .

,

. B-

.

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.

. (Received October , )

(Accepted January , )

tonophysics,

Journal of Physics of the Earth,

Publications of the Earth- EOS Trans. AGU,quake Investigation Committee in foreign language,

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