EPICENTRAL LOCATIONS AND ARRIVAL TIMES AUGUST 1987 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870802 021 4.37 31-36.00 115-46.80 3.00* 7 0.23 2.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPX EP 0 21 15.30 S 23.90 ENX EP 0 21 18.90 S 1 29.40 2.2 PBX IP- 0 21 19.20 CBX EP 0 21 22.80 S 36.30 2.3 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870802 1126 56.26 31-26.40 115-27.00 12.90 7 0.19 2.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPX IP- 11 27 3.40 S 9.10 ENX EP 11 27 15.90 2.4 PBX EP 11 27 16.20 S 30.80 CBX EP 1 11 27 20.90 S 37.30 2.5 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870807 646 16.01 32-57.00 117-39.60 10.00* 5 0.06 3.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX EP+ 6 46 34.25 S 48.32 3.0 3.2 ENX EP 6 46 39.25 S 57.45 2.9 3.0 PBX EP 6 46 40.50 3.1 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870807 1115 51.09 32-55.80 117-33.60 10.00* 5 0.37 3.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX EP 1 11 16 7.87 S 21.37 2.8 3.0 ENX EP 1 11 16 13.11 S 30.38 3.2 2.9 PBX EP 11 16 15.69 3.0 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870807 1512 1.95 32-15.00 115-44.40 18.00* 8 0.15 2.9 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX IPC 15 12 15.88 S 26.64 2.6 3.0 ENX IPC 15 12 16.96 S 28.79 2.9 3.0 PBX IPC 15 12 18.92 S 31.73 3.0 SPX EPN 15 12 22.62 S 39.17 3.0 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870808 18 8 50.77 30-45.00 116- 9.60 10.90 8 0.11 2.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPX IPC 18 9 2.50 S 11.52 2.5 PBX IPC 18 9 9.73 S 24.52 2.7 ENX EP 18 9 11.72 S 27.98 2.8 2.7 CBX EP 18 9 17.80 S 39.63 2.7 2.7 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870809 851 10.66 32-28.20 115-19.80 13.00* 6 0.25 2.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX EP 8 51 30.40 S 46.00 2.8 ENX EP 8 51 32.20 2.6 PBX EP- 8 51 33.80 S 1 52.80 SPX EP 2 8 51 35.00 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870809 1043 50.94 31-58.20 116-36.60 8.00 3 0.12 1.9 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IP+ 10 43 53.00 2.0 PBX EP 1 10 43 55.70 CBX EP 10 43 57.30 1.8 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870809 2020 34.41 31-52.80 115-39.60 3.00* 8 0.29 3.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPC 20 20 49.68 S 61.24 3.8 SPX EP 20 20 49.77 S 60.79 3.5 PBX IPC 20 20 50.76 S 63.39 CBX IPC 20 20 51.20 S 63.84 3.6 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870809 2021 9.33 31-51.60 115-40.20 3.00* 8 0.24 3.3 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPX EP 20 21 24.34 S 35.29 3.1 ENX IPC 20 21 24.38 S 35.98 3.5 3.1 PBX EP- 20 21 25.46 S 38.06 CBX EP 20 21 25.99 S 38.78 3.3 3.1 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870809 2112 21.58 31-53.40 115-37.20 4.00* 7 0.16 2.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPX EP 2 21 12 36.50 ENX IPC 21 12 37.32 S 48.95 2.8 2.4 CBX EPC 21 12 38.50 S 51.77 2.6 2.6 PBX IPC 21 12 38.50 S 51.10 2.8 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870809 2310 15.24 32- 2.40 116-21.60 14.50 10 0.14 3.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPC 23 10 20.93 S 25.66 3.2 CBX IPC 23 10 22.08 S 27.61 3.2 PBX EP- 23 10 23.12 S 29.34 3.5 SPX EP 23 10 36.70 S 52.98 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870813 23 4 52.41 31-59.40 115-42.00 5.80 4 0.13 2.3 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IP+ 23 5 6.60 S 1 18.10 2.3 CBX EP 23 5 7.60 2.3 PBX EP 23 5 8.40 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870815 19 0 41.60 31-58.80 116-18.60 3.00* 8 0.39 2.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPC 19 0 47.45 S 52.11 2.4 PBX EP 19 0 49.30 2.5 CBX EP+ 19 0 50.30 S 55.70 SPX EP 2 19 1 1.79 S 2 16.54 ECBX EP 1 19 1 2.61 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870819 2238 24.29 32- 8.40 116-26.40 10.90 6 0.13 1.8 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX IPC 22 38 29.20 S 1 33.10 1.7 1.8 ENX EP+ 22 38 30.30 S 34.63 1.8 PBX EP1 22 38 32.60 S 1 39.50 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870820 1832 1.81 32- 0.00 116-23.40 11.40 10 0.08 1.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EP 18 32 6.96 S 10.61 1.6 1.6 CBX EP 18 32 8.80 S 14.40 1.6 1.6 PBX EP 18 32 8.90 S 14.40 1.9 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870822 232 7.68 31-58.80 116-17.40 4.00* 7 0.26 3.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPC 2 32 13.85 S 18.45 3.2 PBX IP+ 2 32 16.20 S 21.90 CBX IP+ 2 32 16.40 S 22.10 3.2 SPX EP 1 2 32 27.90 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870822 432 11.70 31-57.60 116-21.00 11.90 5 0.12 1.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPC 4 32 17.20 S 21.25 1.5 PBX EP+ 4 32 18.80 CBX EP 1 4 32 19.80 S 25.70 1.4 1.7 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870822 525 40.44 31-24.00 115-52.80 3.00* 8 0.49 2.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPX EP 5 25 49.80 S 56.20 PBX EP 1 5 25 55.35 S 1 64.70 2.4 ENX EP 1 5 25 56.00 S 1 65.85 1.9 CBX EP 5 26 0.46 S 15.30 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870824 1656 30.00 32- 0.60 115-22.80 12.00* 5 0.61 2.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ECBX IP+ 16 56 41.50 S 48.30 ENX IP+ 16 56 49.10 2.6 CBX IP+ 16 56 49.10 2.6 PBX EP+ 16 56 50.60 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870826 742 5.52 30-37.80 116-56.40 12.70 8 0.26 3.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD PBX IP- 7 42 25.38 S 39.92 3.1 ENX EP- 7 42 27.22 S 44.73 3.2 2.8 SPX IP+ 7 42 28.45 S 46.07 2.8 CBX IP+ 7 42 35.00 S 56.10 3.0 2.9 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870828 150 17.58 31-28.20 116-36.60 8.00* 6 0.23 1.8 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD PBX IPC 1 50 22.90 S 27.06 ENX IP+ 1 50 24.90 S 30.20 1.8 CBX EP 1 1 50 32.40 S 44.00 1.7 1.9