EPICENTRAL LOCATIONS AND ARRIVAL TIMES MARCH 1983 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 830304 1957 37.25 31-16.99 115-49.56 8.00* 8 173 43.4 0.35 2.8 2.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 19 57 53.70 S 65.74 2.5 CBX IPU 19 57 59.30 S 75.79 SPX IPD 19 57 44.90 S 50.45 PBX IPD 19 57 53.56 S 64.59 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 830308 1641 48.32 31-26.66 115-32.61 8.00* 6 218 44.9 0.46 11.7 2.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 16 41 66.51 S 81.75 2.4 CBX P 4 16 41 0.00 S 87.74 SPX IPD 16 41 56.33 S 62.02 PBX P 4 16 41 0.00 S 80.21 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 830308 2122 8.87 32- 9.45 115-46.17 8.00* 8 245 36.0 0.44 1.8 2.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 21 22 23.25 S 33.98 2.4 CBX IPD 21 22 22.51 S 32.60 SPX IPD 21 22 29.45 S 44.01 PBX IPU 21 22 25.28 S 37.29 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 830309 2 8 12.23 31-32.40 115-40.15 13.88 5 208 58.2 0.54 0.8 0.7 2.3 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPU 2 8 27.37 S 40.82 2.3 CBX IPD 2 8 31.75 S 48.55 SPX IPU 2 8 22.42 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 830309 455 45.91 31-22.74 115-37.65 8.00* 7 201 40.1 0.84 1.4 2.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EPU 4 55 64.64 S 76.78 2.6 CBX IPD 4 55 69.01 S 84.17 SPX P 4 4 55 0.00 S 58.13 PBX P 3 4 55 65.14 S 76.97 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 830309 725 1.31 31-24.88 115-34.84 8.00* 7 211 42.4 0.20 2.1 2.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 7 25 19.37 S 33.31 2.6 CBX IPD 7 25 23.75 S 43.60 SPX EPU 7 25 0.00 S 14.41 PBX IPU 7 25 19.45 S 32.97 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 830309 9 8 24.84 31-24.43 115-36.28 8.00* 7 207 42.3 0.56 7.8 2.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 9 8 44.14 S 56.05 2.4 CBX IPD 9 8 47.03 S 63.68 PBX IPU 9 8 42.53 S 56.09 SPX P 4 9 8 0.00 S 37.81 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 830309 1453 13.71 31-15.72 115-43.84 8.00* 5 186 34.9 0.59 8.2 2.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPU 14 53 31.41 S 43.89 2.4 PBX IPU 14 53 41.61 S 43.82 SPX P 4 14 53 0.00 S 24.73 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 830309 2324 14.21 32- 2.83 116-18.85 25.64 6 277 37.8 0.10 5.3 8.2 2.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 23 24 21.07 S 26.83 2.1 CBX IPD 23 24 22.42 S 28.49 PBX IPU 23 24 23.09 S 29.93 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 830311 547 1.92 31-57.92 116-19.52 1.15 6 276 33.4 0.07 3.0 4.0 2.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 5 47 7.73 S 12.45 2.1 CBX IPU 5 47 10.66 S 17.21 PBX IPD 5 47 9.58 S 15.63 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 830312 1640 3.02 31-19.80 115-47.22 8.00* 8 173 44.1 0.33 2.3 2.7 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 16 40 19.41 S 31.47 2.7 CBX IPU 16 40 24.95 S 40.73 SPX IPD 16 40 10.75 S 16.43 PBX IPU 16 40 19.22 S 30.74 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 830321 1833 9.72 31-52.01 116-12.45 8.00* 6 295 43.3 0.30 9.7 2.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 18 33 16.83 S 22.77 2.1 CBX IPU 18 33 20.33 S 28.47 PBX IPU 18 33 18.04 S 23.81 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 830328 16 1 20.10 31-58.38 116-10.84 8.00* 7 197 46.8 0.21 0.7 2.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 16 1 27.68 S 33.29 2.5 CBX IPD 16 1 29.91 S 37.11 SPX P 4 16 1 0.00 S 54.94 PBX IPU 16 1 29.62 S 36.63