EPICENTRAL LOCATIONS AND ARRIVAL TIMES MAY 1988 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880502 2051 44.41 31-54.60 116-13.20 17.10 6 0.04 2.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EP- 20 51 51.56 S 57.27 2.2 2.1 CBX EP 2 20 51 54.45 S 62.20 2.1 EMX EP 2 20 51 59.88 S 70.52 1.8 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880504 156 2.48 31-34.80 116-55.20 10.00* 5 0.40 1.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD PBX IP 1 56 6.50 S 14.60 ENX EP 1 56 8.50 S 14.60 1.7 CBX EP 1 56 17.00 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880504 218 52.24 33-18.60 117- 9.60 8.90 10 0.19 3.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX IP- 2 19 10.75 S 25.56 3.1 ENX EP 2 2 19 17.90 S 37.38 3.0 PBX EP 2 2 19 19.72 S 41.43 3.0 CPBX EP 3 2 19 22.65 S 46.62 EMX EP 2 2 19 27.23 S 54.11 2.9 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880509 1618 59.40 32-22.80 116-59.40 8.00 4 0.17 2.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX IP+ 16 19 4.65 2.8 ENX EP 1 16 19 9.83 2.6 2.3 PBX EP 2 16 19 11.24 2.5 CPBX IP 16 19 49.00 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880514 713 15.65 31-48.00 115-49.20 3.30 16 0.18 3.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RAB IPD 7 13 18.15 S 20.55 EMX EP 2 7 13 25.15 S 32.91 3.0 ENX IPC 7 13 28.50 S 38.50 3.2 2.7 ECBX IP+ 7 13 28.57 S 38.66 2.9 CPBX IPD 7 13 28.93 S 39.36 PBX IPC 7 13 29.65 S 40.10 3.3 SPX EP 2 7 13 30.45 S 40.90 2.7 B11 IPD 7 13 32.80 S 46.70 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880517 445 28.06 31-23.40 115- 8.40 12.50 6 0.08 1.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ECBX IPC 4 45 30.77 S 32.99 1.5 SPX EP 1 4 45 36.42 S 42.55 1.8 EMX EP 2 4 45 38.64 S 1 46.93 1.7 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880521 2224 12.73 31-55.80 116- 4.20 4.80 9 0.20 1.8 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EP 1 22 24 21.61 S 28.53 1.9 PBX EP 1 22 24 23.30 EMX EP 1 22 24 25.07 S 1 34.49 1.9 CPBX EP 3 22 24 27.14 S 2 38.01 ECBX EP 2 22 24 29.93 S 1 43.15 1.6 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880523 214 21.65 31-40.80 115-57.60 18.30 10 0.13 1.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EP 1 2 14 32.87 S 1 41.90 1.8 PBX EP 2 2 14 33.43 EMX EPN 2 14 33.64 S 43.50 2.1 SPX EP 2 2 14 35.10 S 45.51 1.3 ECBX EP- 2 14 36.14 S 46.77 1.6 CPBX EP 2 2 14 51.76 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880523 523 50.50 32-42.60 116- 0.60 4.90 11 0.14 3.3 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CPBX IP+ 5 24 2.12 2.8 EMX EP 1 5 24 7.50 S 20.23 3.3 ENX EP- 5 24 7.50 S 21.12 3.3 3.0 PBX EP 1 5 24 10.28 S 25.61 3.4 ECBX EP 1 5 24 15.95 S 35.96 3.3 SPX EP 2 5 24 20.75 S 43.62 3.1 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880525 934 21.10 31-46.80 116- 0.60 16.60 12 0.13 2.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EP+ 9 34 31.07 S 39.13 2.1 2.0 PBX EP 2 9 34 32.06 S 2 40.44 2.1 EMX EP 2 9 34 33.22 S 42.66 2.3 SPX EP 3 9 34 36.25 S 1 48.07 2.0 CPBX EP 3 9 34 36.52 S 1 48.47 ECBX EP 2 9 34 36.60 S 48.36 1.8 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880526 629 11.52 31-16.20 115-28.20 15.00* 9 0.29 2.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPX IPD 6 29 16.10 S 20.20 ECBX IPC 6 29 18.90 EMX EP 1 6 29 25.07 S 35.29 2.4 PBX EP 1 6 29 31.48 S 1 46.63 2.5 ENX EP 1 6 29 31.63 S 1 46.59 2.6 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880526 920 43.09 31-50.40 115-46.80 18.10 15 0.23 2.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RAB IP 9 20 47.45 S 51.13 EMX EP 1 9 20 51.70 S 58.80 2.5 CPBX EP 2 9 20 55.22 S 65.99 2.6 ECBX IPD 9 20 55.68 S 65.52 2.7 ENX IPC 9 20 56.30 S 66.65 3.0 2.4 PBX EP 2 9 20 57.59 S 68.80 2.9 SPX IPD 9 20 58.00 2.6 B11 IP 9 21 0.30 S 13.55 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880526 1347 47.77 31-49.20 115-48.60 8.80 12 0.31 2.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX EP 2 13 47 57.42 S 1 63.83 2.2 ENX EP 2 13 48 0.45 S 2 10.75 CPBX EP 2 13 48 0.48 S 1 10.59 ECBX EP 2 13 48 0.72 S 10.10 2.0 PBX EP 1 13 48 1.66 S 12.17 2.0 SPX EP 2 13 48 2.99 S 1 14.78 1.7 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880530 13 8 12.80 31-48.00 116-10.80 4.30 14 0.17 2.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RAB IPD 13 8 17.75 S 21.50 ENX IPC 13 8 20.21 S 26.29 2.8 2.5 PBX EPC 13 8 21.38 S 27.83 2.7 B11 IPD 13 8 24.95 S 34.50 EMX EP 1 13 8 27.78 S 1 38.71 2.4 SPX EP 2 13 8 30.11 S 43.47 2.7 CPBX EP 2 13 8 30.39 2.5 ECBX EP 2 13 8 31.46 2.5 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 880531 1555 48.01 31-31.20 116-18.60 14.50 10 0.17 2.3 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD PBX EP- 15 55 55.60 S 61.43 ENX IPD 15 55 56.59 S 63.26 2.6 2.1 SPX EP 15 56 3.26 S 1 14.37 2.1 EMX EP 15 56 5.95 S 19.66 ECBX EP+ 15 56 7.48 S 21.19 2.2