EPICENTRAL LOCATIONS AND ARRIVAL TIMES FEBRUARY 1989 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890203 437 5.02 31-53.40 115-30.00 15.00* 10 0.21 2.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD QKP IP- 4 37 13.05 S 1 19.30 ENX IPC 4 37 22.29 S 1 35.05 2.6 2.6 PBX IPC 4 37 23.52 S 1 37.28 2.7 CBX IPC 4 37 23.91 S 1 37.97 2.8 2.9 B11 EP 4 37 26.65 S 2 42.30 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890203 2348 48.31 33- 5.40 115-34.80 12.00* 11 0.12 3.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD QKP EP 23 49 2.50 CBX EP- 23 49 8.90 S 1 25.50 3.6 4.1 RDX IP+ 23 49 9.14 S 1 25.10 B11 EP 23 49 12.80 S 2 32.20 ENX EP+ 23 49 14.16 S 1 34.50 3.4 3.9 PBX IP+ 23 49 16.40 S 1 37.80 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890205 1744 10.91 32-12.00 115-42.60 4.70 8 0.20 2.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD QKP IPC 17 44 17.00 S 1 21.95 CBX IP+ 17 44 25.10 S 1 36.30 2.6 ENX EP 17 44 26.20 S 1 37.00 2.4 PBX EP+ 17 44 28.10 S 1 40.86 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890209 131 0.18 32-21.00 115-13.80 3.00* 9 0.32 3.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD QKP IPC 1 31 1.75 CBX EP+ 1 31 21.53 S 1 37.60 3.0 ENX EP+ 1 31 23.13 S 1 40.60 3.0 PBX EP 1 1 31 24.70 S 1 43.30 B11 EP 1 31 25.05 S 2 43.80 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890210 825 42.91 31-54.60 116-15.60 3.00* 10 0.28 1.8 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RDX IP+ 8 25 47.81 S 1 51.91 ENX IP+ 8 25 49.00 S 1 54.10 1.8 PBX IP- 8 25 50.99 S 1 57.34 B11 EP 8 25 53.55 S 2 61.15 QKP EP 8 25 58.75 S 2 70.65 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890210 1917 59.65 31-20.40 116-12.00 3.00* 10 0.15 2.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD PBX EP- 19 17 10.35 S 1 18.98 2.3 RDX EP 1 19 17 1O.96 S 1 19.72 ENX EP- 19 17 11.86 S 1 21.38 2.5 2.2 CBX EP 1 19 17 17.85 S 1 32.14 QKP EP 19 17 20.90 S 2 37.40 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890214 1010 32.19 32- 1.20 117- 7.20 3.00* 8 0.10 1.9 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD B11 EP 10 10 36.90 S 1 40.95 ENX EP+ 10 10 39.66 S 1 45.50 1.8 PBX EP 10 10 40.16 S 1 46.36 CBX EP+ 10 10 41.19 S 2 48.00 2.0 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890215 253 38.84 31-41.40 115-57.60 3.00* 8 0.15 2.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EP 2 53 50.10 S 1 59.00 2.1 PBX EP+ 2 53 50.50 S 1 60.00 QKP EP 2 53 53.15 S 2 64.60 CBX EP+ 2 53 54.30 S 1 65.50 2.2 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890215 436 25.34 32- 3.60 116-25.80 3.00* 12 0.13 3.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPC 4 36 30.50 S 1 34.22 2.9 CBX IPD 4 36 31.35 S 1 36.24 3.2 PBX IPC 4 36 32.83 S 1 38.61 3.2 B11 IP 4 36 32.85 S 2 37.95 RDX IP+ 4 36 33.32 S 1 39.24 QKP IPC 4 36 42.45 S 1 55.20 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890215 519 44.66 31-52.80 115-43.20 3.00* 12 0.19 2.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RDX EP 5 19 48.25 S 2 51.57 QKP EP 5 19 54.10 S 1 60.90 ENX IPC 5 19 58.88 S 1 69.69 2.8 2.6 PBX IP+ 5 20 0.06 S 1 11.89 2.5 CBX EP- 5 20 0.80 S 1 13.23 2.9 2.9 B11 EP 5 20 2.70 S 1 16.40 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890215 1217 1.51 32- 7.80 114-49.80 12.00* 8 0.14 3.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD QKP EP- 12 17 9.60 S 2 16.40 CBX EP+1 12 17 28.20 S 2 48.80 3.4 ENX EP 12 17 28.50 S 1 49.10 3.1 PBX EP 12 17 29.50 S 1 51.50 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890215 1350 42.26 33- 2.40 115-48.60 11.90 12 0.31 3.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD QKP EP- 13 50 56.45 S 1 68.65 CBX EP- 13 50 59.91 S 1 73.59 4.2 RDX IP+ 13 51 1.91 S 1 16.35 3.4 STM EP 13 51 4.50 S 1 21.30 ENX EP- 13 51 5.80 S 1 23.80 3.7 3.9 PBX EP 13 51 8.30 S 1 28.41 3.8 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890215 1633 37.21 32-56.40 116-20.40 12.00* 12 0.19 3.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX EP- 16 33 48.97 S 1 58.65 3.0 B11 EP 16 33 52.90 S 1 64.85 QKP EP 16 33 55.65 S 1 69.90 RDX IP+ 16 33 55.94 S 1 69.92 ENX EP+1 16 33 56.09 S 1 71.10 3.0 PBX EP 16 33 58.86 S 1 75.43 2.7 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890216 1917 7.43 33-12.00 115-31.80 8.00* 10 0.18 3.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD QKP EP- 19 17 22.95 CBX EPN 19 17 29.77 S 1 47.20 3.9 4.2 RDX EPN 19 17 30.30 S 1 47.74 STM EP 19 17 34.00 S 1 54.50 ENX EPN 19 17 35.22 3.6 4.1 PBX EPN 19 17 37.41 S 1 60.71 3.6 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890216 2231 50.20 31-51.60 116-11.40 4.80 8 0.18 2.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RDX IPC 22 31 54.30 S 1 57.50 ENX EP+ 22 31 57.60 S 1 63.00 2.1 PBX EP+ 22 31 58.80 S 1 65.30 CBX EP+ 22 32 1.20 S 1 9.40 2.4 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890217 536 39.43 31-54.00 116- 9.00 3.00* 10 0.30 2.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RDX IPD 5 36 42.75 S 1 45.96 ENX EP- 5 36 47.42 S 1 53.45 1.9 PBX EP+ 5 36 48.96 S 1 55.91 CBX EP+ 5 36 50.26 S 1 58.75 1.9 2.2 QKP EP-1 5 36 54.35 S 1 64.10 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890217 856 18.19 32-39.00 115-58.80 3.00* 11 0.22 2.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD QKP EP- 8 56 29.65 S 1 38.85 CBX IPC 8 56 29.71 S 1 39.28 2.6 RDX IPC 8 56 31.19 S 1 40.67 B11 IP 8 56 34.25 ENX EP 1 8 56 35.44 S 1 48.09 2.6 PBX EP- 8 56 37.82 S 1 52.40 2.2 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890220 6 3 44.59 31-53.40 116-14.40 3.00* 10 0.11 1.9 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RDX IPC 6 3 49.33 S 1 53.21 1.8 ENX IP+ 6 3 51.33 S 1 56.67 2.1 PBX IPD 6 3 52.60 S 1 59.01 2.0 CBX EP+ 6 3 54.90 S 1 62.43 2.3 QKP EP 6 4 0.15 S 1 12.10 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890220 1452 31.12 32- 4.20 116- 3.60 13.20 8 0.05 2.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RDX IPC 14 52 34.77 S 1 37.72 ENX EP 1 14 52 40.91 S 1 48.94 2.1 CBX EP- 14 52 41.33 S 1 49.09 2.1 2.2 PBX EP- 14 52 42.79 S 1 51.55 2.0 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890220 1933 59.06 32- 4.20 114-55.80 12.00* 8 0.18 3.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RDX EPN 19 34 14.15 S 1 26.36 CBX EPN 19 34 24.49 S 1 44.03 3.6 3.5 ENX EP- 19 34 24.50 S 2 43.50 3.7 3.3 PBX EPN 19 34 25.20 S 1 46.29 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890220 2218 24.18 32-22.20 115-12.60 1.30 10 0.26 2.8 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD QKP EP 22 18 26.15 S 2 28.65 RDX IPC 22 18 38.53 S 1 48.70 2.7 CBX IPD 22 18 45.76 S 1 62.50 2.9 3.3 ENX EP 1 22 18 47.50 S 1 65.58 3.3 PBX EP 1 22 18 49.60 S 1 69.00 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890226 851 40.28 32- 4.20 115-42.60 10.00* 10 0.18 2.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RDX IP+ 8 51 45.17 S 1 48.35 QKP EP 8 51 47.50 S 1 52.85 ENX EP 8 51 55.02 S 1 66.00 2.1 CBX EP- 8 51 55.31 S 1 66.55 2.1 PBX EP 1 8 51 56.70 S 2 69.00 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890227 1443 24.33 32-00.00 116-15.00 3.00* 8 0.11 1.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RDX IPC 14 43 29.40 S 1 33.45 ENX IPC 14 43 31.14 S 1 36.50 1.6 CBX EP- 14 43 32.99 S 1 39.65 1.8 PBX IPC 14 43 33.45 S 1 40.00 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890228 045 22.88 31-53.40 116-12.00 3.00* 10 0.20 2.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RDX IPC 0 45 27.38 S 1 30.96 RAB EP 0 45 28.95 S 1 33.60 ENX IPC 0 45 30.24 S 1 35.98 2.2 2.1 PBX IPC 0 45 31.73 S 1 38.44 CBX IPC 0 45 33.01 S 1 41.00 2.0 2.1 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 890228 5 0 7.59 32- 3.60 116-19.80 3.00* 8 0.14 1.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EP 1 5 0 14.00 S 1 18.80 2.0 RDX IPC 5 0 14.14 S 1 19.14 CBX IPC 5 0 14.53 S 1 20.44 1.7 1.8 PBX EP- 5 0 16.22 S 1 22.44 1.7