Overseas field survey and major international conferences
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Table: International topics in chronological order
| Period | Objective and Place [Leader/Host] | Sponsor |
| March-1988 | Paris, Ankara, Aegean Coast of Southwestern Anatolia | MITI |
| March/May-1989 | Ankara, North Anatolian fault 1944 segment | JICA |
| September-1989 | Sakahlin neotectonics [Gaku Kimura, Laurent Jolivet] | Geogr. Soc. Tokyo |
| March/May-1990 | North Anatolian fault, Gerede trench on 1944 segment | JICA |
| Nov.-1990/Nov.-1991 | U.S. Geological Survey, Menlo Park [David P. Schwartz] | STA |
| August-1992 | 29th IGC Kyoto [Secretariat member] | 29th IGC |
| Sept./Nov.-1992 | North Anatolian fault, Erzincan trench on 1784 segment | JICA |
| June-1993 | Algeria [Mustapha Meghraoui] and Switzerland [PAGES] | CRAAG/PAGES |
| Oct./Nov.-1993 | North Anatolian fault, Susehri trench on 1939 segment | JICA |
| Dec.-1993 | San Francisco, AGU fall meeting | 29th IGC |
| June-1994 | Marshall, CA: USGS - ILP workshop | 29th IGC |
| Oct./Nov.-1994 | North Anatolian fault, Havza trench on 1943 segment | JICA |
| August-1995 | XIV INQUA, Berlin | Ibaraki Pref. |
| September-1995 | ILP School, Erice, Italy [Daniela Pantosti & Gianluca Valensise] | G.S. Japan |
| December-1995 | San Francisco, AGU fall meeting | G.S. Japan |
| April-1996 | UN ESCAP CoastPlan, Bangkog | G.S. Japan |
| June-1996 | ILP School, Corinths / Kozani-Grevena Symposium, Greece [S. Pavlides] | EURESCO/Kozani |
| August-1996 | 30th I.G.C. Beijing | G.S. Japan |
| February-1997 | Field Workshop on Paleoseismology in Venezuela [Franck Audemard] | ILP II-5 |
| April-1997 | Seismological Society of America Spring Meeting at Honolulu | Seismol. Soc. Japan |
| September-1997 | Western Australia, Hyden scarp trenching [M. Machette and T. Crone] | USGS |
| March-1998 | Nepal HFF trenching [Takashi Nakata] | Hiroshima Univ. |
| August-1998 | Sakhalin Central fault trenching [Hiroyuki Tsutsumi] | Monbusho |
| December-1998 | San Francisco, AGU fall meeting | Monbusho |
| February-1999 | Rome ILP II-5 Paleoseismology Workshop | ILP/ING |
| July-1999 | Visting professor in Universite de Paris Sud [Michel Sebrier] | Univ. de Paris Sud |
| August-1999 | XV INQUA Durban, South Africa | Hiroshima Univ. |
| September-1999 | Active faults around Ulaanbaatar, Mongolia [A. Bayasgalan] | Hiroshima Univ. |
| January-2000 | Hokudan International Symposium [Secretary General] | Hokudan town |
| March-2000 | North Anatolian fault 1999 segment trenching [Yasuo Awata] | G.S. Japan |
| July/Sept-2000 | U.S. Geological Survey, Denver [Michael Machette] | HU & USGS |
| Nov-2000 | U.S. Geological Survey, Denver [Michael Machette] | HU & USGS |
| Dec-2000 | U.S. Geological Survey, Denver and AGU at SFO | HU & USGS |
| Feb-2001 | U.S. Geological Survey, Denver and Death Valley | HU & USGS |
| Apr-2001 | U.S. Geological Survey, Denver and SSA at SFO | HU & USGS |
| June-2001 | Myanmar prepartory survey on Sagain fault at MEPE | UNCRD |
| June-2001 | Sant Rosa fault system trenching (NV, U.S.A.) | HU & USGS |
| July-2001 | INGV Symposium at Erice, Sicily | INGV |
| July-2001 | U.S. Geological Survey, Denver and Seattle fault trenching [Alan Nelson] | HU & USGS |
| Sept-2001 | Hayward fault at Fremont (CA, U.S.A.) Geoslicing | AIST-AFRC |
| Nov-2001 | New Madrid Seismic Zone (AR, U.S.A.) Geoslicing | AIST-AFRC |
| Dec-2001 | U.S. Geological Survey, Denver [Michael Machette] | HU & USGS |