Crustal Movements in the Hokkaido District Geographical Survey Institute
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997// - // 8//7-8// 8//7-8// km 5 cm 3/9/ M8. //9 M7. 3 38 8 Fig.a Horizontal crustal movement in Hokkaido after removing the linear trend and one year cycle and half-year cycle variation components. (January 8 to April 8) 997// - // km 5 3/9/ M8. //9 M7. 8/3/7-8/3/ 8//7-8// cm 3 38 8 Fig.b Horizontal crustal movement in Hokkaido after removing the linear trend and one year cycle and half-year cycle variation components. (March 8 to April 8) Fig. Results of Continuous GPS Measurements along the eastern region and the Pacific coast of Hokkaido: Site location map and records of the maintenance of those sites.
Fig. 3 Results of Continuous GPS Measurements along the eastern region and the Pacific coast of Hokkaido: (corrected time series data removing linear trend referred to Iwasaki) (/)
Fig. Results of Continuous GPS Measurements along the eastern region and the Pacific coast of Hokkaido: (corrected time series data removing linear trend referred to Iwasaki) (/)
Fig. 5 Results of Continuous GPS Measurements along the eastern region and the Pacific coast of Hokkaido: (corrected time series data removing linear trend referred to Iwasaki) (3/)
Fig. Results of Continuous GPS Measurements along the eastern region and the Pacific coast of Hokkaido: (corrected time series data removing linear trend referred to Iwasaki) (/)
Fig. 7 Crustal movement velocity change at GEONET sites along the Pacific coast of Hokkaido (Time series at Erimo site).
Fig. 8 Crustal movement velocity change at GEONET sites along the Pacific coast of Hokkaido (Time series at Nemuro- site).
//8 8/5/ (3) 5cm 5 7 8 Fig. 9a Slip on the plate boundary in eastern Hokkaido estimated by time dependent inversion after the Off-Kushiro earthquake on December, (Slip vector map). x 8 Nm 5 3 //8 8/5/ Whole region Urakawa region (3) Tokachi region Kushiro region 5 7 8 9 / / Mw7.7 Mw7. Mw7.5 Mw7. Mw7.3 Mw7. Mw7. Fig. 9b Slip on the plate boundary in eastern Hokkaido estimated by time dependent inversion after the Off-Kushiro earthquake on December, (Time series of released moment).
//8 5//7 //8 5//7 //8 5//7 5 5 9 8 7 5 3 cm obs calc cm cm obs calc 5 7 8 39 5 39 5 5//7 //7 5//7 //7 5//7 //7 8 7 5 5 9 8 7 5 3 9 cm obs calc cm cm obs calc 5 7 8 39 5 39 5 (3) //7 7//8 (3) //7 7//8 (3) //7 7//8 8 7 5 5 9 8 7 5 3 9 cm obs calc cm cm obs calc 5 7 8 39 5 39 5 7/5/ 8/5/ 7/5/ 8/5/ 7/5/ 8/5/ 8 7 5 5 5 9 8 7 5 3 9 cm obs calc cm cm obs calc 5 7 8 39 5 39 5 Fig. Slip on the plate boundary in eastern Hokkaido estimated by time dependent inversion by every years after the Off-Kushiro earthquake on December,, and comparison of horizontal and vertical components between observation and the calculation.
95 95 //8 8/5/ 3 95 5/ / 7/ 8/ 9/ 5/ / 7/ 8/ 9/ 5/ / 7/ 8/ 9/ 5 953 953 958 5/ / 7/ 8/ 9/ 5/ / 7/ 8/ 9/ 5/ / 7/ 8/ 9/ Fig. Time series of observed crustal movement compared with estimated movement by the slow slip model after the Off-Kushiro earthquake. (/3)
//8 8/5/ 7 8 9 959 95 95 5/ / 7/ 8/ 9/ 5/ / 7/ 8/ 9/ 5/ / 7/ 8/ 9/ 95 953 95 5/ / 7/ 8/ 9/ 5/ / 7/ 8/ 9/ 5/ / 7/ 8/ 9/ 3 5 9533 9779 95 5/ / 7/ 8/ 9/ 95 5/ / 7/ 8/ 9/ 5/ / 7/ 8/ 9/ 7 953 8 9 5/ / 7/ 8/ 9/ 5/ / 7/ 8/ 9/ 5/ / 7/ 8/ 9/ Fig. Time series of observed crustal movement compared with estimated movement by the slow slip model after the Off-Kushiro earthquake. (/3)
//8 8/5/ 9 9 959 95 5/ / 7/ 8/ 9/ 5/ / 7/ 8/ 9/ 5/ / 7/ 8/ 9/ 953 3 95 955 5/ / 7/ 8/ 9/ 5/ / 7/ 8/ 9/ 5 959 959 5/ / 7/ 8/ 9/ 5/ / 7/ 8/ 9/ 5/ / 7/ 8/ 9/ Fig. 3 Time series of observed crustal movement compared with estimated movement by the slow slip model after the Off-Kushiro earthquake. (3/3)
km ( 7 ) ( - ) km ( 7 ) ( 99-93 ) - (3) - () - - () () (-) - - () 3 () () - () - () () (3) - - () () - () - () - 3 () - () - () () - () - (3) - - 7 3 5 () 3 () (-) () -7 (5) (3) () - () - () () () () 7 () - (3) () 8 () 9 [ x - ] ( ) [ x - ] 5 5 ( ) Fig. Crustal horizontal strain of Sapporo and Asahikawa district calculated from geodetic survey results. (/)
km 5 (5) 5 (5) -7 () 5 (5) ( 7 ) ( 983 ) () - (5) () () () (9) -7 () 3 () -9 () 9 (3) () 3 () () () - () () 7 () - () () () () 3 () - () - () () () - (-) - - (8) () km () () 5 (8) () ( 7 ) ( 99 ) 7 (5) () (7) () 7 () () (5) (7) (7) (-) (8) (7) 9 (9) 9 () () 9 (5) (-7) () 9 (-) 8 () () 7 (-) () (-) (3) () (-7) () 5 (-8) 7 () 9 () 9 () (8) 8 () 9 () (-8) () () (-) - () () - (-9) 3 () 8 () 8 () 7 () 8 () (-) () () (-7) -8 - () 5 (-) [ x - ] ( ) -7 () (5) (9) [ x - ] ( ) Fig. 5 Crustal horizontal strain of Sapporo and Asahikawa district calculated from geodetic survey results. (/)