EPICENTRAL LOCATIONS AND ARRIVAL TIMES MAY 1990 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900501 1 8 5.18 32- 6.00 117-28.80 16.10 10 0.41 4.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD PBX IPC 8 41 18.00 ENX IPC 8 41 18.20 S 2 28.40 4.1 CBX IPC 8 41 18.40 S 1 27.70 4.1 EMX EPN2 8 41 36.00 S 4 65.30 LMX EPN1 8 41 39.80 ECBX EP+1 8 41 41.50 S 4 73.40 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900506 539 24.25 31-52.80 115-39.00 3.00* 10 0.32 2.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX EP+ 5 39 30.40 S 1 36.70 ECBX EP 5 39 36.00 S 1 45.10 LMX EP 2 5 39 36.00 S 4 46.00 PBX EP+ 5 39 40.70 S 1 53.00 CBX EP 5 39 41.00 S 1 54.20 2.5 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900508 443 6.57 32- 2.40 115-00.00 2.20 12 0.28 2.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD LMX IPC 4 43 9.20 S 1 11.10 EMX IPC 4 43 12.20 S 1 16.20 CPBX EP 2 4 43 17.00 S 2 24.00 2.3 ECBX IP+ 4 43 18.50 S 1 27.00 CBX EP 4 4 43 34.10 S 4 53.90 2.6 PBX EP 4 4 43 35.50 S 4 56.40 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900513 15 4 34.07 32-00.00 116-21.60 4.90 12 0.23 3.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX IPC 15 4 41.30 S 1 46.60 3.2 PBX IPC 15 4 41.70 S 1 47.00 EMX EP 15 4 50.30 S 4 62.50 CPBX IPD 15 4 51.30 S 1 64.70 LMX IP+2 15 4 54.00 S 2 70.40 ECBX IPD 15 4 55.50 S 1 71.70 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900514 058 44.06 31-59.40 115-23.40 2.10 9 0.36 2.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX EP+ 0 58 47.90 S 1 51.00 LMX IPC2 0 58 53.20 S 2 59.50 CPBX EP 2 0 58 54.50 CBX EP-2 0 59 3.60 S 4 17.50 2.2 PBX EP 0 59 4.90 S 1 20.00 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900516 2315 33.73 31-43.80 116-12.60 3.00* 10 0.12 2.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EP+ 23 15 41.30 S 2 47.00 2.6 PBX EP+ 23 15 41.70 S 1 48.25 EMX EP 23 15 49.00 S 1 60.80 ECBX EP- 23 15 51.70 S 1 65.50 LMX EP 2 23 15 53.60 S 2 68.90 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900517 17 2 42.14 32-48.00 115-37.80 3.00* 10 0.27 3.3 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CPBX EP- 17 2 51.00 S 4 60.10 LMX EP+2 17 2 57.30 EMX EP+2 17 2 57.50 CBX IP+ 17 2 59.50 S 73.50 3.5 ENX EP- 17 3 4.40 S 2 21.20 3.2 PBX EP+ 17 3 6.10 S 1 25.50 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900518 8 3 58.04 30-34.02 116-56.40 8.00* 12 0.30 3.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EP- 8 4 21.00 S 1 39.00 3.6 CBX EP- 8 4 27.35 S 1 50.60 3.8 ECBX IPC 8 4 29.70 S 4 52.60 EMX EPN2 8 4 32.20 S 1 58.50 LMX EPN2 8 4 35.25 S 2 65.50 CPBX EPN4 8 4 38.50 S 4 68.50 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900520 3 7 19.73 31-48.60 116- 3.00 3.00* 14 0.18 2.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EP 1 3 7 29.00 S 2 36.70 PBX EP 3 7 30.00 S 2 38.60 EMX EP+2 3 7 32.20 S 1 42.10 CBX EP- 3 7 32.70 S 1 42.90 2.5 CPBX EP 2 3 7 35.30 S 4 48.30 2.3 ECBX EP 2 3 7 36.00 S 1 48.50 LMX EP 2 3 7 36.90 S 2 49.90