EPICENTRAL LOCATIONS AND ARRIVAL TIMES MARCH 1990 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900301 034 56.30 34- 6.00 117-43.20 10.00* 14 4.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EP-1 0 35 36.80 S 1 70.00 4.4 4.0 PBX EP 2 0 35 39.00 RDX EP 2 0 35 43.16 S 2 77.22 CPBX EP 2 0 35 43.80 S 2 80.55 EMX EP 2 0 35 48.00 S 1 88.75 LMX EP 2 0 35 50.20 ECBX EP 4 0 35 57.89 S 2 100.00 SPX EP 4 0 36 1.86 S 2 42.10 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900301 323 1.70 34- 8.40 117-45.00 10.00* 18 4.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX EPN 3 23 36.92 S 1 64.78 ENX EPN- 3 23 42.35 S 1 76.15 4.3 PBX EPN- 3 23 43.48 S 1 81.17 RDX EPN 3 23 46.65 S 1 83.94 CPBX EPN 3 23 49.21 S 1 84.55 3.8 EMX EPN- 3 23 55.46 S 1 93.77 LMX EPN 3 23 57.31 S 1 97.46 ECBX EPN 3 23 58.84 S 1 104.20 SPX EPN 3 24 2.22 S 1 50.00 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900301 10 2 51.79 31- 3.60 115-18.60 4.50 6 0.11 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPX IP 10 2 54.50 S 1 56.70 ECBX EP 10 3 0.20 S 1 6.80 PBX EP- 10 3 16.30 S 1 34.50 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900301 13 4 7.06 31-58.80 116-12.60 2.00 14 0.12 2.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RDX IPC 13 4 11.46 S 1 15.07 ENX IPC 13 4 14.53 S 1 20.37 2.3 CBX IP+ 13 4 16.45 S 1 23.59 2.8 2.6 PBX EP+ 13 4 16.53 S 1 23.36 2.4 EMX EP+2 13 4 21.80 S 1 32.97 2.4 ECBX EP+2 13 4 26.79 S 1 41.65 SPX EP+ 13 4 27.13 S 1 42.04 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900301 1823 34.67 31-54.60 116-49.20 3.00* 8 0.17 1.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EP+ 18 23 37.50 S 1 40.01 1.5 1.7 PBX EP- 18 23 38.22 S 1 41.19 1.3 CBX IP- 18 23 42.57 S 1 48.52 2.0 RDX EP 1 18 23 47.82 S 1 57.66 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900302 610 36.14 31-37.20 115-58.80 3.00* 16 0.05 2.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RDX EP- 6 10 42.00 S 1 46.75 ENX IPD 6 10 47.60 S 1 56.50 2.5 PBX IPC 6 10 47.76 S 1 56.75 2.3 SPX EP 1 6 10 48.97 S 2 59.00 EMX EP 1 6 10 48.97 S 2 58.95 ECBX IPC 6 10 50.45 S 1 61.50 CBX EP- 6 10 52.06 S 1 64.43 2.7 LMX EP+2 6 10 53.53 S 2 67.05 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900302 1726 24.90 34- 6.60 117-41.40 10.00* 16 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX IPN 17 26 59.81 S 1 88.50 4.4 ENX EPN 17 27 4.83 S 1 38.43 4.4 PBX EPN1 17 27 6.17 S 1 41.40 RDX EPN 17 27 10.43 S 1 45.10 CPBX EPN1 17 27 11.47 S 1 48.80 EMX EPN2 17 27 15.04 S 2 55.00 LMX EPN2 17 27 17.10 S 2 58.80 ECBX EPN1 17 27 20.95 S 2 66.50 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900304 050 3.05 31-20.40 115-21.60 4.00* 8 0.06 1.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ECBX IP+ 0 50 8.68 S 1 13.06 1.5 SPX IPD 0 50 8.76 S 1 13.21 RDX EP 1 0 50 16.64 S 1 27.27 LMX IPD2 0 50 17.50 S 2 29.25 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900304 1645 15.10 34- 4.20 117-41.40 10.00* 6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX EP+ 16 45 50.30 S 1 76.30 3.6 ENX EP 16 45 57.00 S 1 87.50 3.5 PBX EP 16 45 59.70 S 1 92.20 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900306 18 1 48.40 34- 7.20 117-40.80 10.00* 6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX EPN 18 2 24.40 S 1 50.90 3.4 ENX EPN2 18 2 31.30 S 2 63.50 3.1 PBX EPN2 18 2 36.20 S 2 67.70 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900307 18 2 52.64 32-44.40 115-31.20 11.80 13 0.28 3.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CPBX EP+ 18 2 59.10 S 1 65.00 3.0 LMX EP 2 18 3 6.20 EMX EP+1 18 3 6.70 S 1 16.70 CBX EP+ 18 3 10.80 S 1 25.00 3.1 ENX EP- 18 3 15.20 S 1 32.00 2.8 ECBX EP 1 18 3 15.30 S 1 33.00 PBX EP+ 18 3 17.50 S 1 36.10 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900308 625 17.10 34- 7.20 117-42.00 10.00* 15 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX EPN 6 25 51.50 S 1 81.20 3.8 ENX IPD 6 25 59.91 S 1 91.28 4.0 3.6 PBX EP 1 6 26 2.09 S 1 35.38 4.0 RDX EP 1 6 26 4.14 S 1 37.69 3.9 CPBX EP 1 6 26 9.01 EMX IPD 6 26 10.67 S 1 50.50 LMX EP 1 6 26 14.51 S 4 60.90 ECBX EP+ 6 26 19.38 S 1 64.10 4.0 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900309 758 41.36 31-21.60 115-52.20 13.90 15 0.26 1.9 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD SPX EP+ 7 58 49.84 S 1 56.22 2.0 RDX IPD 7 58 51.15 S 1 59.08 ECBX IPC 7 58 54.37 S 1 63.67 1.8 PBX IPD 7 58 55.83 S 1 67.36 EMX EP 1 7 58 56.11 S 1 66.92 ENX IPC 7 58 56.14 S 1 68.11 2.1 LMX EP 2 7 59 0.61 CBX EP 1 7 59 1.21 S 1 17.07 2.5 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900310 1840 43.44 32-45.00 115-31.20 10.00* 8 0.14 3.6 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RDX EP- 18 40 59.07 S 1 71.06 CBX IPC 18 41 1.69 S 1 16.44 3.6 3.7 ENX EP- 18 41 5.60 S 1 23.50 3.5 PBX EP- 18 41 7.83 S 1 27.00 3.6 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900310 2130 22.58 31-46.20 115-53.40 11.90 8 0.11 2.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RDX IPC 21 30 26.08 S 1 29.07 ENX IPC 21 30 34.30 S 1 43.44 2.4 2.5 PBX IPC 21 30 35.06 S 1 44.67 2.4 CBX IP+ 21 30 37.65 S 1 49.20 2.7 2.7 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900311 310 44.96 31-49.20 115-58.80 10.90 8 0.03 3.3 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RDX IPD 3 10 47.72 S 1 49.87 ENX IPC 3 10 55.30 S 1 63.39 3.3 2.8 PBX IPC 3 10 56.32 S 1 65.06 CBX IPC 3 10 58.30 S 1 68.69 3.4 3.0 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900313 544 6.78 31-21.00 116-45.60 15.30 6 0.10 2.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD PBX IPC 5 44 13.90 S 1 19.50 ENX IP+ 5 44 16.50 S 1 24.00 2.0 CBX EP+ 5 44 23.60 S 1 36.60 2.4 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900314 1644 21.29 32- 1.20 116-19.20 13.60 12 0.14 2.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IP- 16 44 7.50 S 1 32.20 2.3 2.1 RDX EP+ 16 44 27.30 S 1 32.29 2.1 CBX IPC 16 44 28.76 S 1 34.90 2.3 2.4 PBX IPD 16 44 29.40 S 1 36.10 EMX EP 1 16 44 37.28 S 1 49.28 ECBX EP 1 16 44 42.37 S 1 58.37 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900314 2353 31.53 31-49.80 116- 7.20 12.80 10 0.08 2.4 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX IPC 23 53 39.86 S 1 46.52 2.2 2.0 PBX IPC 23 53 40.86 S 1 48.29 2.3 CBX EP+ 23 53 43.30 S 1 52.52 2.0 2.4 EMX EP- 23 53 44.96 S 1 55.38 ECBX IP- 23 53 48.68 S 1 61.70 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900316 1458 27.42 32-59.40 116-12.60 13.20 8 0.19 2.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD CBX EP+ 14 58 41.00 S 1 52.00 2.7 ENX EP 1 14 58 47.60 S 1 63.00 2.6 EMX EP+ 14 58 49.50 S 2 67.00 PBX EP 14 58 49.76 S 2 67.60 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900321 626 42.00 31-49.80 115-49.20 3.00* 11 0.13 1.9 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX EP-1 6 26 51.10 S 2 58.77 ENX EP- 6 26 54.80 S 1 64.50 1.9 PBX EP- 6 26 55.90 S 1 66.40 LMX EP 6 26 56.02 SPX IPD 6 26 56.92 S 1 68.45 1.8 CBX EP- 6 26 57.00 S 1 69.01 2.0 2.1 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900321 630 16.29 31-51.60 115-49.20 5.00* 9 0.27 2.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX EP 6 30 24.98 S 2 32.00 ENX EP- 6 30 29.00 S 1 38.50 1.9 LMX EP 6 30 30.10 PBX EP+ 6 30 30.20 S 1 40.50 CBX EP+ 6 30 31.20 S 2 42.95 2.1 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900321 643 41.17 31-50.40 115-48.00 4.00* 9 0.12 2.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX EP 6 43 50.08 S 2 57.02 ENX EP 6 43 54.30 S 1 64.30 1.9 LMX EP+1 6 43 54.60 PBX EP+ 6 43 54.90 S 1 66.00 CBX IP+ 6 43 56.20 S 1 68.50 2.1 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900321 651 50.19 31-51.60 115-48.00 4.00* 12 0.08 2.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX EP 1 6 51 59.00 S 1 65.75 ENX EP- 6 52 3.25 S 1 13.40 2.0 LMX EP-2 6 52 4.14 S 4 15.82 PBX IP+ 6 52 4.22 S 1 15.44 2.4 CBX IP- 6 52 5.20 S 1 17.10 2.3 2.2 SPX IPD 6 52 5.22 S 1 17.13 2.0 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900321 659 9.82 31-52.20 115-47.40 4.60 9 0.24 1.9 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX EP 6 59 18.40 S 2 25.05 ENX EP- 6 59 23.10 S 1 32.80 1.8 LMX EP 2 6 59 23.68 PBX EP+ 6 59 23.70 S 1 34.80 CBX EP- 6 59 24.70 S 1 36.80 2.1 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900321 751 6.47 31-51.60 115-48.00 3.00* 11 0.09 2.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX EP 1 7 51 15.30 S 2 22.50 ENX EP-2 7 51 19.61 S 1 29.52 1.9 LMX EP+2 7 51 20.30 PBX EP+ 7 51 20.53 S 1 31.59 CBX IPD 7 51 21.53 S 2 33.43 2.1 2.2 SPX IPC 7 51 21.68 S 1 33.59 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900321 2341 25.98 32- 9.60 115-29.40 4.00* 13 0.28 2.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX EP+4 23 41 30.20 LMX EP 1 23 41 34.41 S 2 40.00 ECBX EP+ 23 41 39.61 S 1 50.52 CBX EP+ 23 41 43.53 S 2 56.82 1.9 2.2 ENX EP-2 23 41 44.38 S 1 58.28 2.1 SPX EP 2 23 41 45.57 S 2 60.60 PBX EP-1 23 41 46.09 S 1 61.01 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900321 2354 43.92 31-51.60 115-48.00 3.00* 12 0.12 2.0 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EP+ 23 54 52.99 S 2 59.74 1.9 ECBX EP 1 23 54 56.94 S 1 67.23 ENX EP 2 23 54 56.99 S 2 67.20 PBX EP 1 23 54 57.99 S 1 69.13 2.1 CBX IPD 23 54 58.99 S 1 71.13 2.2 SPX EP 1 23 54 59.14 S 1 70.82 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900326 130 29.17 31-51.00 115-48.60 3.80 12 0.22 2.3 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX EP 1 30 38.00 S 2 44.77 CPBX EP- 1 30 41.60 2.2 ENX EP 1 30 42.09 S 1 51.71 2.2 LMX EP 1 30 43.20 PBX IP+ 1 30 43.32 S 1 53.80 CBX IP- 1 30 44.15 S 1 56.19 2.4 2.6 SPX IPD 1 30 44.28 S 1 55.74 2.3 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900326 134 16.55 31-51.00 115-48.60 3.00* 12 0.16 2.3 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX EP+ 1 34 25.42 CPBX EP 1 1 34 29.50 S 2 39.00 2.2 ENX EP 2 1 34 29.51 S 1 39.41 2.3 LMX EP+ 1 34 30.50 PBX EP+ 1 34 30.60 S 1 41.29 CBX IP- 1 34 31.50 S 1 43.50 2.4 2.6 SPX IPD 1 34 31.56 S 1 43.40 2.2 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900327 733 0.81 31-33.60 115-40.80 4.80 16 0.16 2.5 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD RDX EP- 7 33 8.67 S 1 14.36 2.5 SPX IP- 7 33 10.51 S 1 17.81 2.7 ECBX IPC 7 33 10.64 S 1 17.94 2.4 EMX EP+ 7 33 11.09 S 1 18.77 2.5 LMX EP+2 7 33 15.76 ENX IP- 7 33 16.53 S 1 28.63 2.4 2.3 PBX IP- 7 33 16.66 S 1 28.82 2.5 CPBX EP+2 7 33 17.05 2.3 CBX IP+ 7 33 20.50 S 1 35.42 2.5 2.6 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900328 153 26.92 31-54.00 115-49.20 3.00* 14 0.13 2.2 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD EMX EP 2 1 53 36.14 S 2 42.91 ENX EP+1 1 53 39.50 S 1 49.60 2.2 CPBX EP 2 1 53 39.68 S 4 50.55 LMX EP 2 1 53 40.33 S 4 53.37 PBX IPD 1 53 40.69 S 1 51.83 2.3 ECBX IPD 1 53 40.88 S 1 51.64 2.0 CBX EP+ 1 53 41.33 S 1 52.98 2.4 2.4 DATE ORIGIN LAT N LONG W DEPTH NO GAP DMIN RMS ERH ERZ MAG 900331 323 43.30 31-49.20 115-50.40 2.00* 8 0.16 2.1 STATION PHASE TIME OF P PHASE TIME OF S MLR MLD ENX EP+ 3 23 56.11 S 1 65.95 1.9 CPBX EP 2 3 23 56.51 S 1 67.00 2.2 PBX EP+ 3 23 56.91 S 1 67.86 CBX EP- 3 23 58.10 S 1 70.10 2.2