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IUGG XXIV General Assembly July 2-13, 2007 Perugia, Italy<br />

(S) - <strong>IASPEI</strong> - International Association of Seismology and Physics of the Earth's<br />

Interior<br />

JSS002 Poster presentation 1836<br />

Distribution of run-up heights of the tsunami of the South off Central Java<br />

earthquake of July 17th, 2006<br />

Dr. Yoshinobu Tsuji<br />

Disaster Mitigation Scences Associate professor, Earthquake Research Institute <strong>IASPEI</strong><br />

Seh-Sub Han, Fachrizal, Indra Gunawan, Teruyuki Kato<br />

A huge tsunami was generated by the south off central Java earthquake of July 17th, 2006, and more<br />

than 500 people were killed at the villages on the Indian Ocean coast of Java Island including the<br />

international resort point of Pangangdaran. We conducted field surveys twice. The first one made by<br />

Kato during July 25th to 29th July on the coast from Pangandaran to Pameugpeuk abou 150kilometers<br />

west of Pangandaran. The second one was made during August 4 to 8 from Genup east to Parangtritis,<br />

near Yogyakarta about 200 kilometers east of Pangandaran. The maximum run-up height is 7.7 meters<br />

at Pangandaran where 137 peoples were killed due to the tsunami. The length of our surveyed coast is<br />

totally 400kilometers. The run up heights at these villages on the section of the surveyed coasts keeps<br />

the values of generally 5 to 7 meters and did not attenuated up to the east end of our surveyed coast.<br />

The tsunami magnitude in Imamura-Iida's scale is estimated at 3. We made interviews to the habitants<br />

and found out that the shaking of the earthquake was weak even at the coasts nearest to the epicenter.<br />

Most of the people living on the coasts west of Cilacap did not feel shaking, so it is suggested that this<br />

event was induced by a kind of tsunami earthquake.<br />

Keywords: tsunami run up height, tsunami of indonesia, tsunami earthquake

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