Preliminary Seismic Microzoning of the Towns of Rudbar, Manjil and Loshan
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Guidelines for Earthquake Disaster Management, Volume I, Part 9 Part 9 Preliminary seismic microzoning of the towns of Rudbar, Manjil and Loshan Jakim T. Petrovski, Chief Technical Advisor Professor, Institute of Earthquake Engineering and Engineering Seismology, University "St. Cyril and Methodius", Skopje, Macedonia Zoran V. Milutinovic, International Consultant Professor, Institute of Earthquake Engineering and Engineering Seismology, University "St. Cyril and Methodius", Skopje, Macedonia Behrouz Gatmiri, National Consultant Assoc. Professor, University of Tehran, Tehran Senior Researcher and Lecturer Ecole Nationale des Ponts et Chausé es, Paris, France Tehran - Skopje, September 1998 *XLGHOLQHVIRU(DUWKTXDNH'LVDVWHU0DQDJHPHQW9ROXPH,3DUW 7DEOHRIFRQWHQWV ,QWURGXFWLRQ *HRORJLFDOFRQGLWLRQVLQWKHUHJLRQRI5XGEDU 0DQMLODQG/RVKDQ *URXQG PRWLRQ FKDUDFWHULVWLFV DQG UHVSRQVH VSHFWUD LQ WKH 5XGEDU 0DQMLO /RVKDQ UHJLRQ GXHWR-XQH0DQMLO(DUWKTXDNH3ODQ QLQJ6FDOH0D[LPXP&RQVLGHUHGDQG)UHTXHQW 6FDOH(DUWKTXDNH *URXQG PRWLRQ FKDUDFWHULVWLFV DQG UHVSRQVH VSHFWUD GXH WR -XQH 0DQMLO (DUWK TXDNH *URXQG PRWLRQ FKDUDFWHULVWLFV DQG UHVSRQVH VSHFWUDIRU3ODQQLQJ6FDOH(DUWKTXDNH *URXQG PRWLRQ FKDUDFWHULVWLFV DQG UHVSRQVH VSHFWUDIRU0D[LPXP&RQVLGHUHG(DUWKTXDNH *URXQG PRWLRQ FKDUDFWHULVWLFV DQG UHVSRQVH VSHFWUDIRU)UHTXHQW6FDOH(DUWKTXDNH 5HIHUHQFHV 3UHOLPLQDU\ VHLVPLF PLFUR]RQLQJ RI WKH WRZQRI5XGEDU 3UHOLPLQDU\ VHLVPLF PLFUR]RQLQJ RI WKH WRZQRI0DQMLO 3UHOLPLQDU\ VHLVPLF PLFUR]RQLQJ RI WKH WRZQRI/RVKDQ 81'381&+6 +DELWDW 3URMHFW,5$ $VVLVWDQFHLQWKH,PSOHPHQWDWLRQRI3RVWHDUWKTXDNH5HKDELOLWDWLRQ3URJUDPPH +RXVLQJ)RXQGDWLRQRI,VODPLF5HYROXWLRQ,5,UDQ *XLGHOLQHVIRU(DUWKTXDNH'LVDVWHU0DQDJHPHQW9ROXPH,3DUW 81'381&+6 +DELWDW 3URMHFW,5$ $VVLVWDQFHLQWKH,PSOHPHQWDWLRQRI3RVWHDUWKTXDNH5HKDELOLWDWLRQ3URJUDPPH +RXVLQJ)RXQGDWLRQRI,VODPLF5HYROXWLRQ,5,UDQ Guidelines for Earthquake Disaster Management, Volume I, Part 9 Chapter 1 Introduction Tehran - Skopje, September 1998 *XLGHOLQHVIRU(DUWKTXDNH'LVDVWHU0DQDJHPHQW9ROXPH,3DUW ,QWURGXFWLRQ 81'381&+6 +DELWDW 3URMHFW,5$ $VVLVWDQFHLQWKH,PSOHPHQWDWLRQRI3RVWHDUWKTXDNH5HKDELOLWDWLRQ3URJUDPPH +RXVLQJ)RXQGDWLRQRI,VODPLF5HYROXWLRQ,5,UDQ Guidelines for Earthquake Disaster Management, Volume I, Part 9 37 00 36 45 56 1000 1500 1500 142 84 500 500 26 29 2000 14 167 27 Jirandeh 1500 500 1000 1000 85 49 49 1000 1000 45 22 45 1000 1500 river 1500 1500 83 21 1500 80 Shahrood river 168 to Rasht Sefidrood river 11 Rasht 81 55 10 river 500 78 82 49 1000 49 500 to Gazvin 30 Fatalak Loshan 30 62 145 79 10 km 500 Rostam Abad 500 1000 Galdian Manjil Rudbar 05 20 09 61 77 54 500 Manjil lake 500 144 Explanations: Elevation: 49 500 49 15 15 2000 < 500 m 63 500 - 1,000 m 1,000 - 1,500 m 146 1,500 - 2,000 m 56 Gilvan > 2000 m Triggered landslides Symbols: 116 District limit 52 1000 Rural district limit 500 Elevation contours 1000 49 53 Main roads 49 River 00 Rivers 00 Uzan 1500 1500 Manjil lake Abbar Ghezel Uzan River 20 District 154 115 153 154 Rural district to Zanjan Zanjan Town 2000 118 Village 51 37 00 36 45 101 Fig. 1.1. Topographic map of Rudbar, Manjil, Loshan region strongly affected by June 20, 1990 Manjil Earthquake. UNDP - UNCHS (Habitat) Project IRA/90/004 476 Assistance in the Implementation of Postearthquake Rehabilitation Programme Housing Foundation of Islamic Revolution, I. R. Iran Guidelines for Earthquake Disaster Management, Volume I, Part 9 Chapter 2 Geological conditions in the region of Rudbar, Manjil and Loshan Tehran - Skopje, September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Fatalak (f), and Nesfi (n) Qal Recent alluvium, sand bar deposits Js t Top soil Quaternary 900 Qt3 Alluvial fan and cones 600 P 400 200 Qt2 Terrace like old fanglomerate Ez Js Qt1 Old and high level terraces sh t E E k P PIQ Lake type deposits k sh Ek Marl, silstone, sandstone, 500 Neogene Ng 400 conglomerate 400 v 600 300 Ek v 700 Ek Andsitic and dacitic volcanic breccia v Ek f tv Tuff, green, bedded (Karaj formation), Ek partly associated with lava (t ) 36 Ng 36 v 45 t3 45 sh Shale and sandstone, partly l Q Eocene Ek Paleogene tuffaceous lake Manjil Limestone, nummulitic bearing, Ez highly crushed (Ziarat formation) t Shale, siltstone and sandstone, Jurassic Js dark grey (Shemsak formation) t t3 Permian Limestone, grey, medium Q P bedded (Ruteh formation?) t General symbols: 300 400 Fault t Reverse Fault Dip and Strike 400 Asphalted Road t Second Class Road 400 River Drainage Qt1 l lake Ng 012km 300 300 Qt3 400 49 36 25 36 40 300 40 49 t3 50 Q 300 300 Ng t2 Qal Q 400 Qt2 Qt3 Qt3 Qt2 Loshan Ng 400 PlQ Qal 500 Ekv 49 30 Fig. 2.1. Review geological map of the Rudbar, Manjil, Loshan region (After Jancevski, J. and Gorashi, M., 1998) UNDP - UNCHS (Habitat) Project IRA/90/004 480 Assistance in the Implementation of Postearthquake Rehabilitation Programme Housing Foundation