Issued: October 15,], 1998 Prepared by: Lalitha Rao No. 39 - 98 The following is a list of significant earthquakes during the time period October 5 - 11, 1998 October 7 at 05:43 UTC (Oct.6, 09:43 pm ADT), mb 4.4, 51 N 7', 178 E 54', depth = 47 km (29 mi): A light earthquake was located by NEIC in the Rat Islands region of Alaska about 29 mi ( 47 km) S of Amchitka 154 mi (247 km) ESE of Buldir Is 199 mi (320 km) WSW of Adak 233 mi (374 km) ESE of Shemya Is 273 mi (439 km) ESE of Attu October 7 at 05:56 UTC (Oct.6, 09:56 pm ADT), mb 4.6, 51 N 9', 178 E 58', depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Rat Islands region of Alaska about 26 mi ( 42 km) S of Amchitka 154 mi (249 km) ESE of Buldir Is 196 mi (315 km) WSW of Adak 234 mi (376 km) ESE of Shemya Is 274 mi (441 km) ESE of Attu October 8 at 02:26 UTC (Oct.7, 06:26 pm ADT), ML 3.8, 61 N 20', 146 W 51', depth = 14 km (9 mi): A minor earthquake , felt widely in the Valdez area and lightly at Pump station #12, was located in the Prince William Sound region of Alaska about 22 mi ( 36 km) NW of Valdez 34 mi ( 54 km) N of Tatitlek 40 mi ( 65 km) WNW of Thompson Pass 58 mi ( 93 km) W of Pump Station #12 66 mi (107 km) SW of Copper Center _____________________________________________________________________________________________________________________________________________________ DATE TIME LATITUDE LONGITUDE DEPTH PREF. RMS SEH SEZ GAP PHASES MIN Q T REGION, OTHER MAGNITUDES, FELT REPORTS AND COMMENTS YR MO DY HR MN SEC DEG MIN DEG MIN KM MAG SEC. KM KM DEG P S DIS _____________________________________________________________________________________________________________________________________________________ 98 10 5 4 14 1.00 61 29.76N 148 7.05W 32.1 1.4 0.19 0.85 2.05 41 14 8 20 A E PR WILLIAM SOUND. 98 10 5 10 56 3.92 65 3.13N 148 34.62W 18.2 2.2 0.21 1.52 0.83 123 17 10 19 A E N CENTRAL AK. 98 10 5 11 38 24.00 63 15.78N 150 43.59W 134.6 2.5 0.28 3.10 3.73 79 17 8 30 B E CENTRAL AK. 98 10 5 13 12 14.04 64 15.05N 148 26.68W 1.6 2.8 0.30 0.77 8.28 49 19 12 30 C E CENTRAL AK. 98 10 5 13 24 32.85 61 38.97N 146 36.98W 19.6 1.6 0.24 1.04 1.90 48 17 9 41 A E PR WILLIAM SOUND. 98 10 5 13 28 2.09 61 32.49N 151 58.53W 3.9 1.2 0.24 2.23 2.01 186 15 5 9 A E COOK INLET. 98 10 5 13 27 55.02 64 15.10N 148 24.20W 0.0 1.9 0.24 1.10 21.58 49 15 10 29 D E CENTRAL AK. 98 10 5 18 26 42.70 61 21.28N 146 42.25W 41.7 0.9 0.18 2.27 6.07 178 7 6 32 C E PR WILLIAM SOUND. 98 10 5 18 50 26.65 60 56.92N 147 31.23W 8.1 1.5 0.31 0.72 0.95 75 14 10 24 A E PR WILLIAM SOUND. 98 10 5 20 53 36.66 61 7.67N 151 27.52W 86.6 1.9 0.23 4.95 5.46 79 17 11 45 C E COOK INLET. 98 10 5 22 12 30.06 60 25.66N 152 15.00W 86.3 1.8 0.33 2.80 3.73 110 16 8 26 B E COOK INLET. 98 10 6 4 18 29.87 59 43.86N 151 40.36W 32.3 2.2 0.17 1.40 4.60 48 28 10 8 B E KENAI PEN. 98 10 6 4 57 29.77 61 25.35N 147 17.24W 43.6 1.5 0.47 7.94 15.39 86 14 4 37 D E PR WILLIAM SOUND. 98 10 6 7 40 5.65 61 27.81N 150 4.92W 34.9 2.1 0.14 2.94 3.25 64 18 8 24 B E COOK INLET. 98 10 6 7 49 49.11 61 54.04N 149 12.50W 11.6 1.0 0.27 10.53 28.22 146 5 3 21 D E COOK INLET. 98 10 6 11 40 56.35 61 44.51N 146 29.01W 35.4 1.5 0.19 4.43 6.11 74 17 3 41 C E PR WILLIAM SOUND. 98 10 6 12 14 11.25 61 21.78N 146 57.89W 19.8 1.3 0.09 1.93 25.85 66 14 4 40 D E PR WILLIAM SOUND. 98 10 6 16 3 49.23 58 55.68N 152 17.77W 79.6 3.5 0.18 1.51 4.54 107 26 5 36 B E KODIAK IS REG. 98 10 6 16 14 23.30 59 34.66N 153 2.67W 101.5 2.8 0.12 2.88 4.67 68 27 7 13 B E COOK INLET. 98 10 6 19 35 6.28 61 38.22N 149 27.47W 54.8 0.6 0.44 17.25 15.67 129 8 3 18 D E COOK INLET. 98 10 6 20 40 23.63 58 10.79N 155 21.66W 0.0 0.3 0.07 2.45 72.44 119 9 7 4 D a ALASKA PEN. 98 10 6 20 48 55.69 61 37.14N 147 59.45W 44.5 0.7 0.21 6.23 13.76 137 11 5 28 D E PR WILLIAM SOUND. 98 10 6 22 7 3.01 53 37.35N 165 1.40W 48.3 2.7 0.09 22.75 32.30 244 16 3 70 D E FOX ISLS. 98 10 7 3 38 20.28 59 22.31N 153 17.50W 0.0 -0.1 0.15 99.17 76.66 358 3 0 7 D a COOK INLET. 98 10 7 5 23 23.50 62 2.35N 149 2.14W 37.5 3.4 0.30 0.98 2.80 47 21 10 30 B E CENTRAL AK. 98 10 7 5 43 19.24 51 6.96N 178 54.30E 47.3 4.4mb R RAT ISLS. 98 10 7 5 56 36.51 51 9.12N 178 57.84E 33.0N 4.6mb R RAT ISLS. 98 10 7 5 56 36.51 51 9.12N 178 57.84E 33.0N 4.6mb R RAT ISLS. 98 10 7 8 27 11.32 60 8.31N 153 4.35W 122.9 3.2 0.27 1.89 2.01 131 23 15 9 A E COOK INLET. 98 10 7 16 13 39.78 59 22.17N 153 25.16W 0.0 -0.9 0.08 4.73 3.59 323 4 4 1 B a COOK INLET. 98 10 7 18 7 34.06 60 26.41N 147 11.79W 14.0 2.2 0.23 0.81 4.27 123 15 10 39 B E PR WILLIAM SOUND. 98 10 7 20 29 30.77 61 34.22N 146 16.11W 29.8 1.9 0.34 2.79 3.63 58 16 8 20 B E PR WILLIAM SOUND. 98 10 7 23 28 57.21 59 54.78N 153 2.96W 116.3 2.7 0.20 1.34 2.79 85 29 13 5 B E COOK INLET. 98 10 8 2 26 35.29 61 20.28N 146 50.86W 14.2 3.8 0.24 0.63 4.90 59 17 2 34 B E PR WILLIAM SOUND. 98 10 8 2 57 26.12 61 20.19N 146 46.97W 14.6 2.6 0.18 0.81 6.67 64 18 5 33 C E PR WILLIAM SOUND. 98 10 8 6 26 36.19 63 23.71N 149 11.29W 12.4 1.2 0.12 10.51 10.25 183 5 5 55 D E CENTRAL AK. 98 10 8 7 26 16.14 59 52.91N 153 33.32W 131.2 2.6 0.23 3.29 6.76 67 29 4 29 C E COOK INLET. 98 10 8 7 52 25.78 59 57.27N 152 15.82W 65.0 2.1 0.14 3.11 9.64 82 12 6 41 C E COOK INLET. 98 10 8 8 4 37.67 63 4.67N 150 49.44W 127.2 2.8 0.11 5.82 4.82 76 22 6 50 C E CENTRAL AK. 98 10 8 8 6 56.86 64 31.61N 149 17.90W 15.1 2.6 0.11 0.73 1.67 96 16 6 12 A E CENTRAL AK. 98 10 8 13 57 40.71 62 36.71N 151 10.70W 96.4 3.3 0.12 5.43 5.87 63 22 5 52 C E CENTRAL AK. 98 10 8 17 38 47.59 60 14.41N 152 10.93W 71.7 1.8 0.24 4.64 10.57 62 14 5 39 D E COOK INLET. 98 10 8 20 31 32.71 53 32.37N 166 41.63W 76.9 2.0 0.36 65.14 35.58 290 7 5 31 D E FOX ISLS. 98 10 8 22 13 50.10 61 34.26N 149 58.82W 35.2 2.6 0.17 1.05 1.72 51 25 7 10 A E COOK INLET. 98 10 8 23 54 57.83 61 0.49N 146 45.35W 7.6 1.7 0.19 1.10 1.31 49 19 5 10 A E PR WILLIAM SOUND. 98 10 9 0 34 34.68 59 56.49N 153 36.02W 140.2 3.6 0.21 2.30 2.50 77 28 22 29 A E COOK INLET. 98 10 9 4 48 16.43 60 42.39N 152 2.84W 87.5 1.9 0.22 2.14 1.92 92 19 11 25 A E COOK INLET. 98 10 9 6 2 50.20 61 50.68N 152 11.96W 135.6 2.8 0.24 2.65 4.53 76 15 8 38 B E COOK INLET. 98 10 9 10 12 23.97 61 34.54N 149 43.92W 38.0 1.0 0.26 2.90 2.54 109 11 6 11 B E COOK INLET. 98 10 9 15 13 3.09 62 3.00N 148 16.14W 35.4 1.1 0.14 14.39 10.42 288 4 2 27 D E CENTRAL AK. _____________________________________________________________________________________________________________________________________________________ DATE TIME LATITUDE LONGITUDE DEPTH PREF. RMS SEH SEZ GAP PHASES MIN Q T REGION, OTHER MAGNITUDES, FELT REPORTS AND COMMENTS YR MO DY HR MN SEC DEG MIN DEG MIN KM MAG SEC. KM KM DEG P S DIS _____________________________________________________________________________________________________________________________________________________ 98 10 9 16 0 52.64 59 20.63N 144 3.01W 10.0G 3.1 0.51 6.59 10.70 212 15 10 68 D E GULF OF ALASKA. 98 10 9 17 28 59.07 62 42.10N 149 43.24W 76.0 3.1 0.20 1.14 1.22 64 16 12 31 A E CENTRAL AK. 98 10 9 17 55 33.64 54 26.96N 161 34.81W 5.1 3.0 0.22 4.47 5.62 227 14 13 72 C E ALASKA PEN. 98 10 9 18 41 13.87 61 22.95N 147 10.04W 19.8 1.3 0.17 1.93 2.27 133 13 8 39 A E PR WILLIAM SOUND. 98 10 9 19 53 47.37 62 5.76N 148 11.12W 31.5 1.4 0.25 2.57 7.26 92 14 9 33 C E CENTRAL AK. 98 10 9 21 15 36.25 58 58.87N 153 9.36W 75.1 2.2 0.27 2.02 3.38 96 17 11 29 B E KODIAK IS REG. 98 10 10 0 4 33.47 60 52.39N 147 28.10W 52.3 0.3 0.15 6.52 12.34 105 6 4 20 D E PR WILLIAM SOUND. 98 10 10 0 6 54.55 59 57.04N 140 41.97W 0.0 2.6 0.14 2.58 6.75 185 14 6 26 C E YAKUTAT BAY. 98 10 10 0 22 36.15 59 43.15N 152 56.20W 81.9 1.8 0.14 5.61 8.16 79 11 6 18 C E COOK INLET. 98 10 10 0 32 10.48 61 36.75N 149 59.96W 16.2 1.8 0.33 5.36 19.94 88 19 6 89 D E COOK INLET. 98 10 10 7 46 31.61 61 30.51N 146 38.84W 25.1 1.6 0.25 2.43 17.89 65 15 6 39 D E PR WILLIAM SOUND. 98 10 10 8 35 19.69 59 57.50N 140 27.06W 20.6 0.2 0.11 15.91 17.74 158 5 3 19 D E YAKUTAT BAY. 98 10 10 8 57 1.79 58 5.38N 154 15.12W 55.8 2.6 0.08 3.39 4.10 205 15 7 43 B E ALASKA PEN. 98 10 10 9 8 5.45 59 59.03N 152 13.33W 82.5 2.5 0.28 1.37 4.54 66 15 5 42 B E COOK INLET. 98 10 10 9 46 0.92 60 37.87N 141 11.25W 35.8 2.2 0.19 3.65 8.12 143 15 4 38 C E YAKUTAT BAY. 98 10 10 9 47 1.02 60 32.29N 147 16.70W 17.0 0.7 0.05 6.75 22.97 100 8 5 39 D E PR WILLIAM SOUND. 98 10 10 10 13 1.13 60 8.19N 152 40.19W 96.2 3.4 0.22 1.48 2.24 92 38 8 17 A E COOK INLET. 98 10 10 11 55 7.72 61 6.03N 152 8.76W 105.6 1.9 0.17 15.05 12.31 98 11 3 10 D E COOK INLET. 98 10 10 12 40 33.14 60 16.93N 140 50.84W 10.1 1.8 0.16 2.39 7.47 137 14 5 29 C E YAKUTAT BAY. 98 10 10 13 28 6.49 59 44.10N 152 53.55W 92.4 2.7 0.27 1.73 4.28 70 12 7 21 B E COOK INLET. 98 10 10 14 20 4.59 60 8.83N 147 38.77W 13.0 1.7 0.16 7.06 9.25 142 17 9 17 C E PR WILLIAM SOUND. 98 10 10 14 32 32.41 63 27.47N 149 51.90W 118.2 2.1 0.14 5.77 7.22 72 10 4 21 C E CENTRAL AK. 98 10 10 14 35 41.16 60 40.58N 141 7.14W 44.5 2.0 0.27 2.37 5.69 154 15 6 34 C E YAKUTAT BAY. 98 10 10 15 8 33.99 61 4.09N 147 28.82W 7.6 0.9 0.25 2.73 2.71 66 11 7 20 B E PR WILLIAM SOUND. 98 10 10 16 18 17.61 63 1.90N 148 5.93W 68.6 2.0 0.14 3.89 5.70 82 10 5 37 C E CENTRAL AK. 98 10 10 17 16 0.66 55 33.18N 163 8.27W 197.2 3.3 0.18 18.82 9.46 191 16 8 46 D E UNIMAK IS. 98 10 10 17 17 0.52 57 50.19N 156 41.64W 15.9 1.7 0.45 16.45 23.02 326 9 3 68 D E ALASKA PEN. 98 10 10 17 44 49.46 60 42.76N 148 32.35W 29.8 1.2 0.12 5.99 6.29 88 11 4 20 C E KENAI PEN. 98 10 10 17 44 51.40 60 32.05N 150 51.64W 12.4 1.6 0.17 5.17 9.99 89 10 5 31 C E KENAI PEN. 98 10 10 20 45 13.55 60 37.20N 141 11.06W 26.6 2.8 0.27 2.13 7.40 142 14 6 39 C E YAKUTAT BAY. 98 10 10 22 27 26.26 60 38.43N 141 9.53W 32.1 1.5 0.20 4.36 8.56 147 14 6 38 C E YAKUTAT BAY. 98 10 10 22 29 17.91 64 42.18N 149 15.26W 22.0 0.6 0.40 6.50 4.15 126 7 5 16 C E CENTRAL AK. 98 10 11 3 53 47.92 61 28.39N 152 0.48W 1.8 0.9 0.13 1.82 2.97 179 10 7 10 B E COOK INLET. 98 10 11 4 8 0.48 63 25.82N 151 11.38W 10.8 2.2 0.24 3.59 2.08 178 16 8 19 B E CENTRAL AK. 98 10 11 4 9 3.91 60 30.26N 143 2.19W 8.6 0.4 0.09 3.53 3.35 232 4 3 12 B E CAPE YAKATAGA. 98 10 11 4 14 10.38 59 20.98N 153 26.84W 0.0 -0.5 0.06 19.35 83.54 343 4 3 1 D a COOK INLET. 98 10 11 4 37 31.73 63 2.06N 150 43.15W 120.4 2.3 0.17 2.64 3.32 81 16 8 51 B E CENTRAL AK. 98 10 11 6 0 21.54 61 22.66N 146 47.02W 15.0 0.8 0.16 1.13 6.16 103 14 7 36 C E PR WILLIAM SOUND. 98 10 11 10 56 0.26 58 0.02N 152 37.27W 29.4 2.5 0.15 7.06 7.38 247 15 6 69 C E KODIAK IS REG. 98 10 11 11 35 57.96 61 48.62N 148 22.98W 9.6 0.7 0.14 7.23 2.33 150 5 4 3 C E PR WILLIAM SOUND. 98 10 11 12 16 38.18 58 42.94N 155 12.78W 135.1 2.8 0.20 4.18 6.51 160 17 3 38 C E ALASKA PEN. 98 10 11 16 4 37.05 64 1.48N 148 10.10W 104.8 1.9 0.21 2.37 4.27 73 15 7 50 B E CENTRAL AK. 98 10 11 16 10 34.03 59 19.39N 153 23.03W 0.0 0.5 0.11 9.15 23.43 349 5 5 5 D a COOK INLET. 98 10 11 17 33 13.61 62 37.55N 150 21.21W 69.0 1.4 0.05 5.33 5.37 132 7 2 25 C E CENTRAL AK. 98 10 11 18 6 11.74 59 21.62N 153 24.62W 0.0 -0.2 0.04 5.63 12.56 335 4 3 1 D a COOK INLET. 98 10 11 19 18 51.19 58 30.49N 152 56.28W 46.2 2.7 0.17 2.08 5.22 181 20 14 34 C E KODIAK IS REG.