EPICENTRAL LOCATIONS AND ARRIVAL TIMES JULY 1981 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810704 6 4 36.74 31-47.66 116-43.04 12.59 7 240 9.6 0.17 6.0 1.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CRB IPD 6 4 47.10 S 54.50 SPM P 6 4 59.40 S 2 74.00 ENS IPD 6 4 39.50 S 42.00 CCS IPU 6 4 39.30 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810705 317 41.94 31-48.38 116-35.39 11.75 8 186 9.8 0.48 37.8 26.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CRB IPD 3 17 52.20 S 59.30 ENS IPD 3 17 44.97 S 47.27 SPM P 3 17 64.70 S 79.70 CCS IPU 3 17 44.15 S 46.25 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810705 320 55.99 31-47.87 116-30.05 08.00* 4 312 17.3 0.46 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CRB IPD 3 20 67.08 S 2 74.17 ENS IPD 3 20 59.59 CCS IPU 3 20 58.82 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810705 329 33.50 31-48.78 116-31.98 08.00 7 166 13.8 0.44 18.8 13.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENS IPD 3 29 36.65 S 1 38.76 SPM P 3 29 55.79 S 71.31 CRB IPD 3 29 44.07 S 51.18 CCS IPU 3 29 35.78 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810705 416 36.27 31-51.60 116-34.06 05.28 16 145 9.1 0.68 3.5 2.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENS IPD 4 16 38.53 SPM P 4 16 58.10 S 2 73.20 CRB IPD 4 16 46.00 S 52.50 CCS IPU 4 16 37.49 BAR P 4 16 51.50 S 63.00 IKP P 4 16 53.50 S 65.50 PLM P 4 16 63.80 S 84.00 CPE P 4 16 56.80 S 72.00 SYS P 4 16 51.10 S 2 61.00 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810705 422 7.30 31-50.76 116-34.69 07.98 10 260 8.5 0.42 5.4 4.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENS IP- 4 22 9.60 CRB IPD 4 22 17.10 S 24.30 CCS IP 4 22 8.87 IKP P 2 4 22 24.00 S 2 36.00 PLM P 2 4 22 34.00 S 2 55.00 SYS P 4 22 22.00 S 33.00 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810706 1112 48.27 31-50.04 116-29.59 03.17 19 151 16.6 1.17 4.8 4.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPM IP- 11 12 70.18 S 85.75 CRB IPD 11 12 58.60 S 64.19 ENS IPD 11 12 51.30 S 1 53.30 CCS IPD 11 12 50.65 BAR P 11 12 64.50 S 76.50 IKP P 11 12 65.70 S 77.50 PLM P 11 12 75.80 S 96.00 GLA P 11 13 21.50 S 54.00 CPE P 11 12 69.20 S 85.00 SYS P 11 12 67.20 S 2 78.00 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810707 1 8 52.75 31-51.75 116-35.00 07.11 13 248 7.6 0.30 2.2 1.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENS IPD 1 8 54.17 S 56.38 CRB IPD 1 8 61.99 S 68.98 CCS IPU 1 8 54.25 S 56.20 SPM EP 2 1 8 73.47 IKP P 1 8 69.50 S 82.00 PLM P 1 8 79.00 S 99.00 SYS P 1 8 67.20 S 78.00 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810708 2251 17.26 31-57.99 116-14.68 20.33 10 171 8.4 0.22 1.8 1.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RAN IPD 22 51 21.11 CRB IPD 22 51 27.07 S 34.73 ENS IP 22 51 24.38 CCS IPD 22 51 24.75 S 31.00 BAR P 2 22 51 32.00 S 2 43.00 SPM P 2 22 51 36.65 S 2 49.32 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810709 1423 14.38 33-12.31 116-47.53 00.79 14 155 17.7 0.60 4.1 4.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RAN IP 2 14 23 39.88 S 58.25 CRB IP- 14 23 32.00 S 44.10 SPM P 9 14 23 0.00 S 28.00 BAR P 14 23 24.50 S 32.00 IKP P 14 23 31.00 S 42.00 PLM P 14 23 17.50 S 20.00 SYS P 14 23 27.00 S 37.00 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810709 1647 59.60 31-56.36 116- 7.42 08.00* 6 249 14.7 0.28 4.9 4.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RAN IPD 16 48 2.64 S 4.89 CRB IPD 16 48 10.55 S 20.11 IKP P 2 16 48 13.00 S 2 24.00 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810724 1117 57.74 31-50.70 116-16.29 17.27 12 135 37.2 0.41 3.6 2.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CCS IPD 11 18 4.41 S 9.97 CRB IP 11 18 8.80 S 17.30 SPM P 9 11 18 0.00 S 12.00 BAR P 11 18 13.90 S 26.40 IKP P 11 18 12.70 S 24.40 SYS P 2 11 18 15.40 S 26.40 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810724 1138 49.97 32- 3.57 116-17.55 13.02 14 94 40.2 0.39 3.5 4.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CCS IPD 11 38 57.05 S 63.41 CRB IPU 11 38 58.45 ENS IP 11 38 57.00 S 62.40 SPM P 9 11 38 0.00 S 3 15.50 CPR IPD 11 38 67.38 BAR P 11 38 62.90 IKP P 11 38 61.60 GLA P 11 38 76.20 CPE P 11 38 68.70 S 2 74.40 SYS P 11 38 62.90