Field survey of the East Java earthquake and tsunami of June 3, 1994 |
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| Authors: | Yoshinobu Tsuji Fumihiko Imamura Hideo Matsutomi Costas E Synolakis Puspito T Nanang Jumadi Satoshi Harada Se Sub Han Ken'ichi Arai Benjamin Cook |
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| Institution: | (1) Earthquake Research Institute, University of Tokyo, Japan;(2) Asian Institute of Technology, Thailand;(3) Faculty of Mining, Akita University, Japan;(4) School of Engineering, University of Southern California, USA;(5) Bandung Institute of Technology, Indonesia;(6) Denpasar Meteorological Observatory, Indonesia;(7) Meteorological Research Institute, JMA, Tsukuba City, Japan;(8) Korean Meteorological Administration, Seoul, Korea;(9) Department of Civil Engineering, University of Washington, Seattle, USA |
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| Abstract: | A field survey of the June 3, 1994 East Java earthquake tsunami was conducted within three weeks, and the distributions of the seismic intensities, tsunami heights, and human and house damages were surveyed. The seismic intensities on the south coasts of Java and Bali Islands were small for an earthquake with magnitudeM 7.6. The earthquake caused no land damage. About 40 minutes after the main shock, a huge tsunami attacked the coasts, several villages in East Java Province were damaged severely, and 223 persons perished. At Pancer Village about 70 percent of the houses were swept away and 121 persons were killed by the tsunami. The relationship between tsunami heights and distances from the source shows that the Hatori's tsunami magnitude wasm=3, which seems to be larger for the earthquake magnitude. But we should not consider this an extraordinary event because it was pointed out byHatori (1994) that the magnitudes of tsunamis in the Indonesia-Philippine region generally exceed 1–2 grade larger than those of other regions. |
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| Keywords: | 1994 East Java Tsunami aftershock area large tsunami with weak shaking house and human damage due to the tsunami relationship between earthquake and tsunami magnitudes |
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