EPICENTRAL LOCATIONS AND ARRIVAL TIMES MAY 1987 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870503 2031 49.95 31-53.97 115-49.52 18.00* 8 220 79.4 0.10 1.3 2.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX P 20 32 2.54 S 1 12.53 PBX P 20 32 3.93 S 1 14.46 CBX P 20 32 4.27 S 1 15.82 2.5 SPX P 20 32 5.73 S 1 18.07 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870507 338 3.47 31-49.51 115-48.33 18.00* 10 124 81.0 0.18 0.7 2.9 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CPBX P 3 38 16.25 S 1 26.91 ENX P 3 38 16.34 S 1 26.64 2.6 PBX P 3 38 17.50 S 1 28.52 2.8 SPX P 3 38 18.04 S 1 29.42 2.6 CBX P 3 38 18.58 S 1 30.59 2.8 2.9 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870510 5 0 51.94 32-44.13 116- 5.04 15.00* 8 246 71.8 0.11 1.4 2.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX P 5 1 3.50 S 1 12.20 CPBX P 5 1 4.70 S 2 15.00 2.4 ENX P 5 1 9.10 S 1 22.50 PBX P 5 1 11.50 S 1 26.50 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870511 2313 37.65 31-49.15 115-48.47 18.00* 10 124 81.3 0.23 1.1 2.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX P 23 13 50.38 S 1 60.69 CPBX P 23 13 50.38 S 1 61.31 PBX P 23 13 51.63 S 1 62.75 2.3 SPX P 23 13 52.26 S 1 63.37 CBX P 23 13 52.89 S 1 64.90 2.5 2.5 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870513 045 37.48 31-41.02 115-59.83 15.00* 12 131 66.9 0.21 1.0 3.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX P 0 45 47.90 S 1 56.00 PBX P 0 45 48.76 S 1 57.15 3.6 SPX P 0 45 51.09 S 1 62.02 3.3 CBX P 0 45 52.16 S 1 63.38 3.2 3.5 CPBX P 0 45 53.80 S 1 66.80 EGX P 0 45 59.80 S 1 76.51 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870513 848 39.73 32-50.81 116- 1.18 15.00* 8 260 82.3 0.20 1.1 2.8 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CPBX P 8 48 52.70 S 1 62.90 CBX P 8 48 53.05 S 1 63.15 2.8 ENX P 8 48 59.00 S 2 74.00 2.9 PBX P 8 49 1.55 S 1 18.05 3.1 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870513 2130 3.64 31-11.94 116-31.89 15.00* 10 243 63.0 0.17 1.6 3.9 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD PBX P 21 30 13.80 S 1 21.80 4.1 ENX P 21 30 15.65 S 1 25.20 SPX P 21 30 20.00 S 1 32.30 3.8 CBX P 21 30 23.03 S 1 38.30 4.0 3.9 CPBX P 21 30 30.50 S 1 52.00 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870514 947 57.68 31-40.92 115-54.46 15.00* 8 195 75.1 0.13 0.8 2.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX P 9 48 9.67 S 1 18.70 2.6 PBX P 9 48 10.23 S 1 19.76 2.5 SPX P 9 48 10.75 S 1 20.75 2.1 CBX P 9 48 13.49 S 1 25.50 2.3 2.4 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870514 2133 44.17 31-35.82 115-58.17 18.00* 6 322 73.1 0.14 5.7 2.3 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX P 21 33 55.85 S 2 65.15 PBX P 21 33 56.15 S 2 64.95 CBX P 21 34 0.15 S 1 12.95 2.3 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870515 5 8 16.78 31-59.80 114-55.89 18.00* 9 243 58.4 0.09 2.3 3.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CPBX P 5 8 26.35 SPX P 5 8 35.00 S 1 48.94 3.3 ENX P 5 8 41.50 S 1 61.20 3.6 CBX P 5 8 41.90 S 1 61.77 3.4 3.4 PBX P 5 8 42.87 S 1 63.00 3.4 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870515 848 24.34 31-49.50 116-20.28 18.00* 6 285 31.5 0.12 2.3 2.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX P 8 48 30.15 S 1 34.75 PBX P 8 48 30.92 S 1 35.92 CBX P 8 48 34.50 S 1 42.25 2.2 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870516 1142 37.61 31-44.94 115-43.89 18.00* 12 108 82.1 0.25 0.9 3.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPX EP 11 42 50.76 S 60.98 CPBX EP 11 42 50.90 S 62.00 ENX IP 11 42 51.76 S 62.74 3.5 PBX IP 11 42 52.50 S 64.50 3.5 CBX IP 11 42 54.20 S 67.30 3.3 3.4 EGX EP 11 42 56.06 S 69.80 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870516 2213 43.44 31-28.76 115- 6.97 8.00* 8 290 105.5 0.25 1.3 3.3 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CPBX P 22 13 59.92 S 1 72.83 ENX P 22 14 7.41 S 1 25.97 3.2 PBX P 22 14 7.41 S 1 26.31 3.0 CBX P 22 14 9.14 S 1 30.11 3.0 3.3 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870516 2214 49.30 31-45.18 115-30.31 15.00* 8 255 76.1 0.19 2.2 2.9 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CPBX P 22 15 1.24 S 1 11.04 ENX P 22 15 6.50 S 1 20.10 PBX P 22 15 7.40 S 1 21.70 CBX P 22 15 9.10 S 1 23.70 2.9 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870516 2217 43.49 31-29.22 115- 6.17 8.00* 8 291 104.9 0.27 1.4 3.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CPBX P 22 17 59.92 S 1 72.71 ENX P 22 18 7.30 S 1 25.97 3.9 PBX P 22 18 7.87 S 1 27.00 3.7 CBX P 22 18 9.37 S 1 30.11 3.9 3.4 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870518 934 20.23 32-49.41 116-11.81 15.00* 6 345 71.5 0.25 2.9 2.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX P 9 34 31.61 S 1 40.60 2.4 2.6 ENX P 9 34 37.72 S 1 51.43 2.8 PBX IP 1 9 34 40.83 S 1 56.39 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870519 1044 38.63 31-59.56 116-17.90 8.00* 6 279 36.7 0.01 0.7 2.3 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX P 10 44 44.71 S 1 49.41 PBX P 10 44 46.53 S 1 52.73 CBX P 10 44 46.63 S 1 52.85 2.3 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870519 1046 46.12 31-58.95 116-18.02 1.50* 6 279 36.2 0.13 1.5 2.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX P 10 46 52.30 S 1 57.10 PBX P 10 46 54.30 S 1 60.80 CBX P 10 46 54.50 S 1 61.20 2.7 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870519 2051 7.69 31-28.10 116-42.32 15.00* 6 352 30.4 0.31 6.6 2.8 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD PBX P 20 51 12.99 S 1 17.13 ENX P 20 51 15.25 S 21.17 CBX P 20 51 22.85 S 1 35.27 2.8 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870521 116 27.33 31- 8.75 116-29.07 15.00* 6 348 70.0 0.37 3.0 2.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD PBX P 1 16 38.50 S 1 47.00 2.9 ENX P 1 16 40.86 S 1 51.46 2.9 CBX P 1 16 47.15 S 1 62.65 2.7 2.7 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870528 028 27.73 31-51.68 116-59.40 8.00* 9 270 28.3 0.21 1.4 3.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD PBX P 0 28 32.30 S 36.29 2.8 ENX P 0 28 32.91 S 36.91 CBX P 0 28 37.21 S 44.44 3.2 SPX P 0 28 54.39 S 75.10 CPBX P 0 28 55.92 S 1 77.78 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870529 1738 18.03 31-56.88 116-20.32 3.00* 6 275 31.7 0.06 2.4 2.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX P 17 38 23.40 S 1 27.80 PBX P 17 38 25.30 S 1 30.80 2.2 CBX P 17 38 26.40 S 1 32.90 2.1 2.4 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 870529 1849 57.11 32-41.63 115-20.86 8.00* 6 340130.6 0.06 1.6 3.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX P 18 50 17.40 S 1 33.20 2.7 3.2 ENX P 18 50 20.90 S 1 39.30 PBX P 18 50 22.80 S 1 43.10