EPICENTRAL LOCATIONS AND ARRIVAL TIMES DECEMBER 1984 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 841202 2138 2.68 32- 1.08 116-14.80 8.00* 8 172 42.2 0.49 1.5 2.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IP- 21 38 59.30 S 64.10 2.1 PBX IPD 21 38 60.50 S 68.50 CBX IP+ 21 38 58.06 S 63.43 CPBX IP- 21 38 17.08 S 29.68 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 841205 253 44.80 31-57.52 116-33.05 8.00* 6 230 13.7 0.06 1.3 2.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 2 53 47.40 S 1 48.90 2.1 CBX IP+ 2 53 51.70 S 56.60 PBX IP- 2 53 49.67 S 53.27 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 841208 14 7 2.75 31-59.14 116-17.70 8.00* 6 280 36.8 0.30 14.9 2.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IP- 14 7 8.66 S 1 13.46 2.1 CBX IPD 14 7 10.68 S 17.78 PBX IPD 14 7 11.19 S 16.69 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 841209 229 13.14 31-51.35 116- 5.63 8.00* 6 305 54.1 0.17 9.8 2.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 2 29 21.44 S 28.54 2.4 CBX IP- 2 29 25.12 S 34.32 PBX IPD 2 29 23.07 S 30.57 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 841209 14 3 33.89 31-57.18 116-16.95 8.00* 6 283 37.0 0.39 17.4 2.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 14 3 39.78 S 1 45.48 2.2 CBX IPD 14 3 42.89 S 49.39 PBX IP+ 14 3 41.87 S 1 47.07 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 841209 1856 25.86 31-58.98 116-15.27 8.00* 6 285 40.3 0.12 4.7 2.9 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 18 56 32.44 S 37.44 2.9 CBX IPD 18 56 34.46 S 41.56 PBX IPD 18 56 34.33 S 40.83 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 841209 1914 27.33 31-59.66 116-13.72 8.00* 6 288 43.0 0.45 8.6 2.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 19 14 34.10 S 39.10 2.5 CBX IPD 19 14 36.14 S 1 43.50 PBX IP- 19 14 36.18 S 43.68 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 841209 2018 47.00 31-58.29 116-10.39 8.00* 6 295 47.5 0.13 4.0 2.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IP- 20 18 54.54 S 60.54 2.1 CBX IP+ 20 18 56.68 S 1 64.48 PBX IP+ 20 18 56.45 S 63.65 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 841216 1719 37.52 31-59.22 116-25.54 8.00* 6 258 25.4 0.45 2.4 2.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 17 19 41.24 S 44.84 2.1 CBX IP- 17 19 44.53 S 50.53 PBX IP- 17 19 44.19 S 49.69 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 841217 1512 49.64 32- 2.78 116-27.36 8.00* 6 250 26.8 0.10 3.3 2.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 15 12 54.20 S 57.90 2.1 CBX IP+ 15 12 55.73 S 60.43 PBX IP- 15 12 56.61 S 61.71 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 841223 1446 27.36 31-59.57 116-12.19 8.00* 6 291 45.3 0.13 2.6 2.3 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 14 46 34.53 S 39.63 2.3 CBX IPD 14 46 36.68 S 43.18 PBX IP- 14 46 36.72 S 43.02 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 841227 1638 5.32 32- 0.52 116-15.61 8.00* 6 284 40.7 0.17 0.9 2.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPD 16 38 11.88 S 1 15.98 2.2 CBX IP+ 16 38 29.60 S 1 20.53 PBX IPD 16 38 21.30 S 1 20.08