EPICENTRAL LOCATIONS AND ARRIVAL TIMES MARCH 1988 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880301 749 0.92 32-37.80 115-52.20 15.00* 6 0.10 2.9 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX IPC 7 49 14.00 S 1 24.20 3.2 ENX EP- 7 49 18.50 S 1 31.90 2.7 PBX EP- 7 49 20.50 S 1 36.30 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880301 1343 53.15 33-13.20 115-53.40 8.00* 8 0.24 3.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD QKP EP 13 44 10.75 S 2 25.10 CBX EP- 13 44 12.70 S 1 27.70 3.3 ENX EP 13 44 19.00 S 1 38.20 2.9 PBX EP-1 13 44 21.30 S 1 42.70 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880304 051 54.77 31-29.40 116-43.80 15.00* 6 0.09 2.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD PBX IPC 0 51 59.77 S 63.76 2.3 ENX EP- 0 52 2.15 S 7.76 2.1 2.1 CBX EP- 0 52 9.52 S 20.51 2.0 2.2 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880304 232 41.31 32-58.20 115-40.2 18.00* 10 0.36 2.8 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CPBX EP+ 2 32 52.40 S 1 61.40 2.5 EMX EP+4 2 32 58.00 S 2 73.50 CBX EP- 2 32 59.20 S 1 73.60 3.1 ENX EP- 2 33 5.36 S 1 22.56 2.9 PBX IP+ 2 33 7.50 S 2 26.50 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880308 1740 47.16 31-49.80 115-48.00 18.00* 6 0.10 2.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IP+ 17 41 0.07 S 10.07 2.8 2.4 PBX EP+ 17 41 1.09 S 12.10 2.7 CBX IPD 17 41 2.50 S 14.28 2.5 2.8 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880309 19 1 42.02 31-37.20 115-51.60 4.80 10 0.28 2.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX IP 1 19 1 53.20 S 2 62.00 SPX EP 19 1 54.10 S 1 62.50 ENX EP- 19 1 54.90 S 1 64.40 2.5 PBX EP+ 19 1 55.40 S 1 65.30 CBX EP+ 19 1 59.00 S 1 71.60 2.7 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880309 2058 31.38 31-49.20 115-46.20 18.00* 6 0.13 2.8 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPC 20 58 44.69 S 55.09 2.8 2.9 PBX IP+ 20 58 45.68 S 57.06 2.9 CBX IP+ 20 58 47.20 S 59.30 2.8 2.6 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880310 039 57.88 32-34.80 115-48.00 12.00* 10 0.27 2.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CPBX EP- 0 40 5.64 S 12.73 2.5 CBX IPD 0 40 11.45 S 21.91 2.6 ENX EP+ 0 40 15.55 S 29.27 2.7 2.3 PBX EP+ 0 40 18.00 S 33.36 2.5 ECBX EP 0 40 20.16 S 36.68 2.1 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880311 945 13.69 31-43.80 115-42.60 17.00* 7 0.25 2.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX EP+ 9 45 22.10 S 1 29.30 ENX EP+ 9 45 28.46 S 1 39.46 2.3 PBX EP 9 45 29.00 CBX IPD 9 45 31.53 S 1 44.33 2.9 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880312 618 20.52 31-44.40 116-10.80 12.00* 8 0.15 2.3 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EP+ 6 18 28.46 S 1 34.36 2.2 PBX EP- 6 18 28.85 S 2 35.25 CBX EP+ 6 18 32.92 S 1 42.42 2.5 EMX IP+ 6 18 35.30 S 1 46.30 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880313 051 39.94 31-40.20 115-58.20 15.00* 6 0.06 2.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EP+ 0 51 51.14 S 1 59.94 1.9 EMX EP+ 0 51 52.25 S 1 61.65 CBX EP 1 0 51 55.22 S 2 67.22 2.3 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880313 15 1 2.25 31-30.00 115-42.60 16.60 10 0.13 2.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPX IPD 15 1 11.22 S 18.57 2.2 ENX EP- 15 1 17.76 S 30.13 2.6 2.7 PBX EP 15 1 18.03 S 30.49 2.5 CPBX EP 15 1 19.28 S 32.55 CBX EP+ 15 1 21.97 S 36.94 2.5 2.8 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880313 2251 55.19 32-43.20 116- 4.20 16.00* 6 0.30 2.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX IPC 22 52 6.42 S 1 14.92 2.6 ENX EP+ 22 52 12.50 S 1 25.40 2.4 EMX EP+ 22 52 13.00 S 1 26.30 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880314 522 39.76 32-40.80 116-00.00 16.00* 6 0.21 2.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX IPC 5 22 51.50 S 1 60.60 2.9 EMX IPC 5 22 56.00 S 1 69.20 ENX EP 5 22 57.00 S 1 69.80 2.4 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880314 1559 37.85 31-42.60 115-57.00 18.00* 6 0.26 2.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EP+ 15 59 49.20 S 1 57.90 1.8 EMX EP+ 15 59 49.90 S 1 58.40 CBX EP- 15 59 53.20 S 1 64.60 2.2 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880314 1946 9.91 32-43.20 116-04.80 17.00* 6 0.17 2.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX IPC 19 46 21.00 S 1 30.10 2.7 ENX EP+ 19 46 27.00 S 1 40.00 2.3 EMX EP+ 19 46 27.70 S 1 41.20 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880314 2140 25.79 32-18.00 115-36.60 18.00* 6 0.23 2.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CPBX EP- 21 40 31.50 S 36.12 2.7 EMX EP 21 40 34.00 S 40.14 2.2 ECBX EP 21 40 43.21 S 55.35 2.3 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880315 145 21.79 32-13.20 115-43.20 18.00* 6 0.38 2.3 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CPBX EP+ 1 45 29.10 S 35.27 2.3 EMX EP- 1 45 30.50 S 36.65 ECBX EP 1 45 38.65 S 51.71 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880315 2038 13.58 31-52.20 116-36.60 6.50 6 0.06 2.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPC 20 38 14.99 S 16.30 2.3 PBX EP- 20 38 16.76 S 19.37 2.3 CBX IPD 20 38 21.67 S 27.82 2.0 2.5 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880315 2129 5.25 31-52.20 116-36.00 6.60 6 0.07 1.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPC 21 29 6.69 S 8.12 1.8 1.8 PBX EP 21 29 8.43 S 11.14 1.7 CBX IPD 21 29 13.34 S 19.54 1.6 2.0 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880319 041 42.85 31-59.40 116-16.80 15.00* 10 0.25 2.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IP+ 0 41 49.10 S 1 54.10 1.8 CBX EP- 0 41 51.07 S 57.76 2.0 2.3 PBX EP 0 41 51.10 S 1 58.10 EMX IP 0 41 58.60 S 70.05 ECBX EP- 0 42 3.30 S 18.50 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880320 1445 14.34 32- 1.20 115-32.40 15.00* 12 0.38 2.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CPBX EP+ 14 45 22.58 S 1 29.58 2.4 ECBX EP- 14 45 26.10 S 35.90 2.3 ENX IP- 14 45 31.23 S 44.68 2.6 2.5 CBX IP+ 14 45 31.23 S 44.77 2.7 2.7 SPX EP 14 45 32.00 S 44.50 PBX EP- 14 45 32.67 S 47.07 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880321 638 11.06 32- 5.40 115-31.20 3.60 14 0.35 3.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CPBX EP-9 6 38 0.00 S-P 6.10 3.0 ECBX IP-9 6 38 0.00 S-P 10.00 QKP IPC 6 38 15.40 S 17.65 D09 IPC 6 38 20.00 S 1 25.25 ENX IPC 6 38 28.45 S 41.76 3.7 CBX IPC 6 38 28.55 S 42.17 4.0 SPX EP+ 6 38 29.17 S 43.40 PBX IPC 6 38 30.09 S 44.84 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880321 11 1 17.75 32- 4.80 115-30.60 15.00* 14 0.37 3.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CPBX EP-9 11 1 0.00 S-P 6.00 ECBX IP 9 11 1 0.00 S-P 10.20 QKP IPC 11 1 22.20 S 2 25.75 D09 IPC 11 1 26.80 S 2 32.30 CBX IPC 11 1 35.31 S 1 48.66 3.6 3.5 ENX IPC 11 1 35.40 S 1 48.66 3.6 3.4 SPX EP+ 11 1 35.76 S 49.92 3.1 PBX EP+ 11 1 36.92 S 51.26 3.6 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880321 1855 48.25 32- 5.40 115-31.80 17.00* 8 0.15 2.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ECBX IP+ 18 56 1.40 S 1 11.40 CBX IPC 18 56 5.10 S 1 18.60 2.4 ENX EP- 18 56 5.40 S 1 18.80 2.1 SPX EP-1 18 56 6.30 S 1 20.00 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880321 2349 27.33 31-51.00 115-48.60 18.00* 14 0.26 3.9 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX EP 23 49 36.22 S 43.29 ENX IPC 23 49 40.12 S 49.85 3.8 4.2 ECBX IP+ 23 49 40.63 S 50.87 CPBX EP+ 23 49 40.70 S 51.10 PBX IPC 23 49 41.14 S 51.79 3.9 CBX IPC 23 49 42.37 S 53.84 4.0 4.2 SPX IPD 23 49 42.57 S 54.25 3.8 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880322 026 57.00 31-52.20 115-46.20 15.00* 13 0.22 2.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX EP 0 27 5.66 S 12.11 2.1 CPBX EP+ 0 27 8.62 2.2 ENX EP- 0 27 10.05 S 20.75 2.0 2.2 ECBX EP- 0 27 10.41 S 20.18 2.1 PBX EP- 0 27 11.22 S 2 22.30 2.0 SPX EP+ 0 27 12.29 S 23.82 CBX EP- 0 27 12.38 S 24.39 2.2 2.5 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880322 126 46.24 31-51.00 115-48.60 4.80 14 0.13 2.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX EP 1 26 54.85 S 61.85 2.8 ENX IP+ 1 26 58.98 S 68.93 2.4 2.6 CPBX EP+ 1 26 59.18 S 68.98 2.4 ECBX EP 1 26 59.43 S 69.46 2.7 PBX EP- 1 27 0.05 S 10.81 CBX EP+ 1 27 1.22 S 12.96 2.6 2.8 SPX EP- 1 27 1.22 S 12.87 2.3 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880322 135 31.89 31-50.40 115-48.60 5.00 10 0.19 2.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EP- 1 35 44.37 S 54.12 2.2 ECBX EP+ 1 35 45.02 S 55.07 PBX EP- 1 35 45.77 S 56.81 SPX EP- 1 35 46.83 S 57.98 CBX EP+ 1 35 46.96 S 58.60 2.7 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880324 035 46.05 31-49.80 115-48.00 18.00* 8 0.26 2.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX EP 2 0 35 55.51 S 2 61.66 ENX EP 0 35 58.89 S 69.24 ECBX EP 0 35 59.25 S 1 69.24 CBX EP- 0 36 1.40 S 2 13.64 2.2 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880324 1756 37.28 32-24.60 115-13.80 4.60 14 0.23 3.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CPBX IPC 17 56 38.91 S 39.97 3.4 EMX IP 17 56 44.44 S 50.55 ECBX IP 17 56 53.66 S 66.91 3.7 CBX IP- 17 56 58.71 S 74.58 3.5 3.9 ENX IP- 17 57 0.37 S 17.91 3.4 3.9 SPX EP+ 17 57 0.69 S 19.36 PBX EP+ 17 57 2.30 S 21.32 3.7 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880324 1924 33.93 31-51.00 115-48.00 18.00* 14 0.26 2.9 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD QKP IPD 19 24 44.70 S 1 53.20 ENX IPC 19 24 46.83 S 2 57.21 3.0 ECBX IPC1 19 24 47.30 S 1 57.40 CPBX EP+1 19 24 47.30 S 4 58.50 2.6 PBX IPC 19 24 47.91 S 2 59.00 SPX IPD 19 24 48.83 S 2 59.28 CBX IPC 19 24 49.14 S 2 60.59 3.2 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880324 2020 46.71 32-59.40 115-52.20 10.00* 12 0.29 3.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD QKP EP 20 21 0.80 S 1 12.00 CBX EP 20 21 3.23 S 16.00 3.2 EMX EP 20 21 5.99 S 1 21.36 ENX EP+ 20 21 9.27 S 2 26.1O 3.0 PBX EP-2 20 21 12.24 S 1 30.80 ECBX EP-1 20 21 15.32 S 1 37.70 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880325 013 9.78 33- 1.20 115-46.20 15.00* 12 0.32 2.9 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD QKP EP- 0 13 23.80 S 2 35.25 CBX IP+ 0 13 28.20 S 1 41.20 3.0 EMX EP+ 0 13 28.76 S 1 44.13 ENX EP+1 0 13 33.07 S 1 51.27 2.9 PBX EP-1 0 13 35.45 S 1 55.35 ECBX EP+ 0 13 38.00 S 2 60.80 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880326 555 58.77 32-39.00 115-57.00 15.00* 6 0.37 2.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX IP+ 5 56 10.90 S 20.60 2.9 ENX EP- 5 56 16.36 S 2 29.96 2.6 PBX EP+ 5 56 17.95 S 1 32.55 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880329 16 0 14.36 32-45.00 116- 6.60 15.00* 10 0.34 2.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CPBX EP-1 16 0 28.01 S 38.22 2.6 QKP EP- 16 0 28.05 S 38.05 ENX EP+ 16 0 31.14 S 44.77 2.6 PBX EP+ 16 0 33.83 S 1 49.34 ECBX EP 16 0 41.00 S 2 61.17 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880329 2034 10.50 31-28.80 116-45.60 10.00* 6 0.25 2.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD PBX IP+ 20 34 15.30 S 1 18.80 ENX IPC 20 34 17.80 S 1 23.60 1.8 CBX EP+ 20 34 25.40 S 1 36.80 2.3 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880330 2321 33.11 31-10.80 117- 0.60 15.00* 6 0.24 2.3 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD PBX EP+ 23 21 43.63 S 1 52.33 ENX EP 23 21 46.31 S 1 57.11 2.2 CBX IP- 23 21 53.55 S 1 68.85 2.4