EPICENTRAL LOCATIONS AND ARRIVAL TIMES MAY 1981 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810502 2150 20.60 32-55.86 116-16.62 11.50 6 3.3 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SJQ IPD 21 50 42.41 S 58.41 SPA IPD 21 50 45.79 S 63.95 CAT IPD 21 50 45.40 S 63.22 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810504 551 44.60 31-26.65 116-21.16 8.00 7 289 51.6 0.32 16.1 29.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPM IP 9 5 51 0.00 S 13.50 CAT IPU 5 51 54.19 S VIN IPU 5 51 54.85 S 62.24 SJQ IPU 5 51 54.05 S 60.88 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810504 1624 1.79 31-23.60 116-34.91 5.10 8 305 72.1 0.71 5.8 10.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPM IP 9 16 24 0.00 S 16.00 CAT IP+ 16 24 15.30 S 25.19 VIN IPD 16 24 15.51 S 2 25.31 SJQ IPU 16 24 15.11 S 24.60 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810506 756 52.66 32-15.22 115-22.26 10.99 18 154 77.6 0.55 4.7 6.9 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPM IP 9 7 57 0.00 S 15.80 IKP P 9 7 57 0.00 S 10.00 BAR P 9 7 57 0.00 S 16.50 PLM P 9 7 57 0.00 S 2 23.00 GLA P 9 7 57 0.00 S 12.00 VIN IP+ 7 57 6.58 S 2 16.60 CAT IP+ 7 57 6.13 S 16.13 SJQ IP+ 7 57 6.09 S 15.92 SPA IP- 7 57 8.17 S 19.91 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810506 1025 14.41 32-18.74 115-14.95 05.96 10 2.9 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPM IPU9 10 25 0.00 S 18.40 VIN EP+ 10 25 32.30 S 45.17 CAT IPD 10 25 32.08 S 2 44.12 SJQ IPU 10 25 31.63 S 43.35 SPA IPD 10 25 34.06 S 47.70 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810507 1458 26.53 32-27.73 115-26.50 5.96 14 2.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPM IP 9 14 58 0.00 S 19.60 IKP P 9 14 58 0.00 S 7.50 BAR P 9 14 58 0.00 S 13.50 GLA P 9 14 58 0.00 S 10.00 VIN IPD 14 58 43.79 S 56.13 CAT IPD 14 58 44.06 S 3 55.37 SJQ IPU 14 58 42.02 S 2 51.90 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810507 1645 49.04 30-49.74 116-13.75 8.00 8 302 76.9 0.35 22.3 40.8 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPM IP+9 16 46 0.00 S 10.00 VIN IP- 16 46 4.52 S 16.86 CAT IPD 16 46 6.20 S 2 19.17 SJQ IP 16 46 6.28 S 2 20.35 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810507 1702 56.61 32-13.23 115-17.78 5.78 9 2.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPM IP 9 17 3 0.00 S 17.50 IKP P 9 17 3 0.00 S 10.00 BAR P 9 17 3 0.00 S 16.00 PLM P 9 17 3 0.00 S 1 23.00 GLA P 9 17 3 0.00 S 2 11.00 VIN IPD 17 3 10.95 S 20.13 CAT IPD 17 3 11.54 S 21.27 SJQ IPU 17 3 9.17 S 20.15 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810510 2111 57.40 30-47.22 116- 5.47 3.89 18 281 66.4 0.44 12.6 15.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPM IP-9 21 12 0.00 S 9.00 IKP P 9 21 12 0.00 S 25.00 BAR P 9 21 12 0.00 S 1 25.00 PLM P 9 21 12 0.00 S 1 35.00 GLA P 9 21 12 0.00 S 2 37.00 CAT IPD9 21 12 0.00 S 12.85 SPA IPD9 21 12 0.00 S 11.30 SJQ EP-9 21 12 0.00 S 14.00 VIN IP 9 21 12 0.00 S 13.00 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810511 250 42.74 30-49.01 116-10.87 8.75 7 302 73.2 0.08 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPM IPU 2 50 55.12 CAT P 9 2 50 0.00 S 12.80 SPA IPU9 2 50 0.00 S 11.25 SJQ IP 9 2 50 0.00 S 13.75 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810511 1436 45.89 30-52.19 116-20.69 8.00 8 303 85.2 0.08 9.5 17.8 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPM IPU 14 37 0.37 S 11.77 CAT IPU9 14 37 0.00 S 12.95 VIN IPU9 14 37 0.00 S 12.40 SPA IPD9 14 37 0.00 S 11.20 SQJ P 9 14 37 0.00 S 13.85 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810513 534 38.85 32- 4.28 116-25.97 10.35 11 115 30.3 0.74 3.7 6.1 3.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPM IPU 5 34 61.62 S 77.89 ENS IPU 5 34 44.30 IKP P 5 34 51.30 S 59.80 BAR P 5 34 50.80 S 58.80 PLM P 5 34 62.80 S 80.80 GLA P 5 34 67.30 S 87.80 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810515 1351 6.09 31-56.62 114-59.70 1.92 16 197 83.2 1.35 6.9 18.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPM IPU 13 51 24.16 S 39.24 IKP P 1 13 51 28.80 S 42.80 BAR P 13 51 35.00 S 53.80 PLM P 13 51 45.30 S 72.30 GLA P 13 51 22.00 S 44.30 SJQ EP+ 13 51 21.15 S 34.73 VIN EP+ 13 51 20.65 S 32.27 CAT EP+ 13 51 21.15 S 32.45 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 810524 554 3.32 31-25.98 115-33.35 11.56 6 190 43.9 0.83 5.5 4.8 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPM IPD9 5 54 0.00 S 6.10 IKP P 5 54 25.70 S 41.50 BAR P 5 54 30.60 S 49.50