ssued: October 13, 1997 Prepared by:Lalitha Rao No. 41- 97 The following is a list of significant earthquakes during the time period October 6 - 12, 1997 October 6 at 17:11 UTC (09:11 am ADT), mb 4.8, 51 N 24', 174 W 28', depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Andreanof Islands region of Alaska about 56 mi ( 90 km) SSW of Atka 100 mi (161 km) ESE of Adak 125 mi (201 km) WSW of Amukta Pass October 9 at 02:48 UTC (Oct.8,06:48 pm ADT), mb 5.0, 51 N 33', 178 W 9', depth = 56 km (35 mi): A moderate earthquake was located by NEIC in the Andreanof Islands region of Alaska about 69 mi (110 km) WSW of Adak 123 mi (197 km) E of Amchitka 175 mi (282 km) WSW of Atka October 11 at 02:04 UTC (Oct.10,06:04 pm ADT), mb 4.6, 51 N 11', 177 W 42', depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Andreanof Islands region of Alaska about 66 mi (106 km) SW of Adak 145 mi (233 km) E of Amchitka 166 mi (267 km) WSW of Atka October 12 at 12:11 UTC (04:11 am ADT), mb 4.6, 51 N 8', 178 W 22', depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Andreanof Islands region of Alaska about 90 mi (145 km) SW of Adak 118 mi (189 km) ESE of Amchitka 194 mi (312 km) WSW of Atka _____________________________________________________________________________________________________________________________________________________ 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 _____________________________________________________________________________________________________________________________________________________ 97 10 6 0 25 25.03 60 7.87N 152 28.14W 92.9 2.3 0.31 1.57 1.91 74 20 14 28 A E COOK INLET. 97 10 6 2 52 32.60 61 40.37N 146 30.35W 27.2 1.1 0.26 1.89 6.45 87 13 6 37 C E PR WILLIAM SOUND. 97 10 6 5 5 25.77 60 7.21N 152 9.33W 75.2 1.9 0.32 1.38 2.31 64 19 13 45 A E COOK INLET. 97 10 6 5 17 32.76 60 16.81N 152 44.90W 95.1 2.8 0.47 1.12 1.99 80 23 14 25 A E COOK INLET. 97 10 6 7 4 28.77 61 24.62N 146 54.29W 12.1 1.4 0.16 1.16 2.52 55 19 12 43 B E PR WILLIAM SOUND. 97 10 6 7 30 21.10 65 8.88N 149 12.99W 1.7 1.8 0.27 1.33 2.23 139 14 5 51 A E N CENTRAL AK. 97 10 6 7 52 54.02 65 6.30N 149 12.63W 3.3 1.9 0.24 2.01 2.08 136 15 7 49 A E N CENTRAL AK. 97 10 6 8 49 44.63 59 58.44N 152 57.94W 107.2 2.8 0.28 2.13 2.93 71 15 15 5 B E COOK INLET. 97 10 6 10 23 16.80 59 56.86N 147 19.35W 0.0 1.8 0.41 1.28 2.21 154 14 9 31 A E GULF OF ALASKA. 97 10 6 10 40 17.13 62 4.94N 147 26.30W 35.2 1.7 0.34 1.83 2.61 62 19 10 28 B E CENTRAL AK. 97 10 6 10 47 16.35 61 25.93N 146 18.72W 24.2 1.7 0.26 1.07 1.63 60 18 11 22 A E PR WILLIAM SOUND. 97 10 6 11 28 25.85 61 50.62N 150 10.89W 2.1 1.2 0.51 1.66 1.71 109 13 8 27 A E COOK INLET. 97 10 6 11 52 23.39 63 33.94N 151 39.99W 11.7 3.2 0.35 3.55 1.64 121 18 8 37 B E CENTRAL AK. 97 10 6 13 24 55.52 58 57.66N 154 35.39W 121.2 3.2 0.20 2.21 3.02 118 29 22 29 B E ALASKA PEN. 97 10 6 13 54 18.79 61 38.60N 149 44.60W 33.9 1.8 0.24 0.90 1.62 83 16 10 7 A E COOK INLET. 97 10 6 17 11 29.76 51 23.76N 174 28.02W 33.0N 4.8mb R ANDREANOF ISLS. 97 10 6 18 35 5.24 60 35.90N 147 40.28W 10.0 1.6 0.18 0.56 2.78 81 15 6 44 B E PR WILLIAM SOUND. 97 10 6 20 3 42.14 60 1.67N 153 2.23W 112.1 1.9 0.30 4.25 3.26 106 16 9 2 B E COOK INLET. 97 10 6 20 13 35.85 61 29.53N 146 43.15W 13.6 1.5 0.11 0.84 4.91 87 15 9 43 B E PR WILLIAM SOUND. 97 10 6 20 53 24.88 64 36.01N 147 53.62W 18.8 1.3 0.28 0.64 0.84 99 11 6 7 A E CENTRAL AK. 97 10 6 21 13 42.12 62 27.14N 148 6.66W 15.5 1.1 0.17 4.55 14.90 129 10 3 73 D E CENTRAL AK. 97 10 6 22 42 17.46 61 23.60N 147 16.18W 19.4 1.2 0.16 0.90 1.83 90 14 7 36 A E PR WILLIAM SOUND. 97 10 6 22 43 4.29 58 14.19N 155 12.58W 5.2 0.8 0.19 1.66 1.24 119 6 6 2 A a ALASKA PEN. 97 10 6 23 48 23.14 62 58.31N 150 25.06W 100.8 2.3 0.16 1.54 2.96 131 17 15 40 B E CENTRAL AK. 97 10 7 0 19 27.08 62 2.47N 149 22.63W 44.2 1.3 0.17 3.76 5.16 117 11 4 38 C E CENTRAL AK. 97 10 7 2 11 38.64 61 27.21N 146 34.93W 4.1 0.9 0.09 0.84 1.40 125 10 4 36 A E PR WILLIAM SOUND. 97 10 7 3 25 34.11 60 37.42N 152 5.40W 84.7 2.3 0.21 3.63 3.21 72 28 7 18 B E COOK INLET. 97 10 7 3 44 25.75 60 16.10N 150 40.25W 12.6 1.8 0.25 1.65 3.11 88 23 11 42 B E KENAI PEN. 97 10 7 10 36 55.75 62 10.37N 153 17.98W 9.7 3.0 0.21 3.57 6.60 75 17 5 95 C E CENTRAL AK. 97 10 7 12 12 41.34 62 16.16N 150 0.58W 10.0 2.9 0.43 1.02 1.23 56 17 10 20 A E CENTRAL AK. 97 10 7 13 11 38.67 62 17.40N 149 57.18W 8.8 2.2 0.39 2.69 2.45 77 17 8 21 B E CENTRAL AK. 97 10 7 14 12 24.42 61 33.94N 146 36.05W 34.6 1.2 0.16 1.16 2.66 72 16 3 37 B E PR WILLIAM SOUND. 97 10 7 16 3 38.53 59 57.23N 153 5.74W 106.8 1.9 0.31 1.97 3.53 69 24 11 2 B E COOK INLET. 97 10 7 18 5 27.75 58 26.85N 154 43.02W 10.8 0.8 0.15 7.90 49.65 319 7 3 28 D E ALASKA PEN. 97 10 7 20 11 4.22 60 31.09N 142 57.90W 5.7 0.9 0.14 2.60 2.47 114 6 5 10 B E CAPE YAKATAGA. 97 10 7 20 26 53.02 60 25.06N 152 45.86W 125.2 2.5 0.22 3.10 4.09 71 30 6 0 B E COOK INLET. 97 10 7 23 26 34.37 60 4.98N 152 30.93W 90.1 2.9 0.20 1.59 2.63 61 36 6 25 B E COOK INLET. 97 10 8 1 52 48.39 62 32.40N 151 21.43W 74.7 1.5 0.07 5.58 10.11 179 5 4 58 D E CENTRAL AK. 97 10 8 1 53 18.55 64 1.56N 148 9.16W 107.1 1.9 0.17 1.38 3.18 57 16 7 50 B E CENTRAL AK. 97 10 8 2 29 27.62 62 8.82N 153 9.72W 0.0 1.6 0.21 46.33 49.14 281 4 3 101 D E CENTRAL AK. 97 10 8 4 14 39.53 63 38.77N 149 46.86W 16.2 1.9 0.28 0.98 1.41 84 15 8 33 A E CENTRAL AK. 97 10 8 9 1 28.77 60 10.10N 153 1.55W 122.4 2.4 0.31 1.71 2.25 130 23 15 10 A E COOK INLET. 97 10 8 9 25 1.44 62 28.74N 148 58.08W 3.2 1.6 0.24 1.13 3.54 120 14 9 65 B E CENTRAL AK. 97 10 8 10 44 23.62 60 14.60N 152 54.77W 119.6 2.2 0.42 2.10 1.33 69 20 13 18 A E COOK INLET. 97 10 8 11 57 8.67 64 56.94N 147 12.17W 15.2 1.1 0.12 3.34 3.22 232 6 2 10 B E CENTRAL AK. 97 10 8 13 25 6.77 60 57.98N 146 57.32W 17.0 2.0 0.33 0.61 1.01 52 20 11 12 A E PR WILLIAM SOUND. 97 10 8 14 1 47.18 61 34.48N 146 36.19W 19.9 1.9 0.32 0.58 6.18 54 21 15 37 C E PR WILLIAM SOUND. 97 10 8 14 13 42.25 60 11.93N 151 15.07W 53.8 2.0 0.29 0.83 2.66 62 21 14 17 B E KENAI PEN. 97 10 8 14 13 43.19 60 12.21N 151 18.04W 37.8 2.0 0.24 0.96 5.23 89 10 6 18 C KENAI PEN. 97 10 8 14 14 37.87 60 12.45N 151 18.03W 46.7 2.3 0.30 1.17 2.21 90 11 10 18 A E KENAI PEN. _____________________________________________________________________________________________________________________________________________________ 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 _____________________________________________________________________________________________________________________________________________________ 97 10 8 16 38 39.91 63 0.07N 150 34.71W 96.4 2.2 0.12 2.66 3.83 138 16 9 48 B E CENTRAL AK. 97 10 8 17 27 34.26 61 30.41N 146 40.43W 6.9 1.1 0.13 1.43 2.18 70 14 4 40 A E PR WILLIAM SOUND. 97 10 8 17 43 27.80 64 43.81N 149 2.96W 0.0 0.5 0.13 4.85 99.00 232 4 1 17 D E CENTRAL AK. 97 10 8 21 3 54.22 64 53.08N 147 33.37W 7.9 1.5 0.14 1.12 2.07 128 14 8 14 A E CENTRAL AK. 97 10 8 21 29 56.25 61 29.86N 151 41.30W 79.9 2.4 0.21 2.04 1.84 125 17 6 8 A E COOK INLET. 97 10 8 22 45 38.83 60 57.27N 147 0.77W 28.4 0.9 0.13 2.13 1.65 80 10 8 9 A E PR WILLIAM SOUND. 97 10 8 23 57 30.15 63 15.71N 151 4.33W 5.9 2.6 0.31 2.03 1.70 101 17 11 33 A E CENTRAL AK. 97 10 9 0 43 10.27 60 51.43N 151 33.20W 79.3 2.1 0.27 2.27 2.96 55 23 19 21 B E KENAI PEN. 97 10 9 2 48 6.03 51 32.52N 178 9.42W 56.0 5.0mb R ANDREANOF ISLS. 97 10 9 4 15 10.05 62 53.12N 149 50.62W 82.3 2.7 0.23 1.12 1.25 52 17 14 15 A E CENTRAL AK. 97 10 9 6 21 40.11 60 23.94N 147 46.77W 13.2 1.4 0.16 1.28 2.78 96 17 11 40 B E PR WILLIAM SOUND. 97 10 9 9 37 35.05 60 23.19N 152 22.99W 97.4 1.9 0.26 2.08 3.33 58 20 14 21 B E COOK INLET. 97 10 9 11 53 29.69 61 23.25N 149 20.67W 27.3 1.0 0.20 1.08 2.61 100 10 8 20 B E COOK INLET. 97 10 9 13 13 3.62 60 27.23N 152 19.84W 93.7 2.9 0.27 1.10 2.11 67 31 14 14 A E COOK INLET. 97 10 9 18 50 27.83 63 20.24N 145 20.39W 2.7 2.2 0.19 0.67 1.86 88 16 6 22 A E E CENTRAL AK. 97 10 9 18 51 53.69 60 45.54N 147 22.34W 11.7 2.0 0.51 0.71 1.26 69 20 14 20 A E PR WILLIAM SOUND. 97 10 9 20 59 50.21 60 4.54N 150 55.72W 37.9 1.9 0.33 1.05 2.22 89 17 14 20 A E KENAI PEN. 97 10 9 21 50 49.68 60 36.74N 143 1.49W 6.8 1.3 0.46 0.78 1.02 94 14 5 17 A E CAPE YAKATAGA. 97 10 9 22 16 11.04 53 15.28N 166 35.22W 0.0 3.2 0.16 5.73 4.97 288 13 8 63 C E FOX ISLS. 97 10 9 23 55 12.17 62 40.32N 149 50.66W 68.5 2.1 0.21 2.95 4.37 113 18 9 36 B E CENTRAL AK. 97 10 10 2 5 28.12 61 27.50N 146 15.79W 30.0 1.8 0.28 1.06 1.93 61 16 8 19 A E PR WILLIAM SOUND. 97 10 10 2 29 49.87 57 47.77N 142 37.14W 10.0G 2.8 0.25 28.37 49.58 284 17 6 258 D E GULF OF ALASKA. 97 10 10 2 35 20.68 57 19.27N 154 35.16W 28.3 3.0 0.13 4.77 31.69 167 15 6 92 D E KODIAK IS REG. 97 10 10 5 56 5.80 58 41.01N 151 18.05W 0.0 2.5 0.26 2.55 4.63 173 14 6 64 B E KODIAK IS REG. 97 10 10 7 52 9.53 62 29.08N 149 50.13W 64.2 1.9 0.27 1.10 1.48 87 16 9 24 A E CENTRAL AK. 97 10 10 11 37 27.24 63 12.13N 151 22.51W 10.1 1.7 0.26 4.60 3.41 215 11 6 91 B E CENTRAL AK. 97 10 10 11 46 5.76 60 59.77N 147 20.49W 23.7 2.4 0.39 0.70 1.00 50 21 16 19 A E PR WILLIAM SOUND. 97 10 10 12 6 6.57 62 59.77N 150 59.97W 126.8 2.8 0.14 3.50 4.35 93 18 8 69 B E CENTRAL AK. 97 10 10 14 42 35.22 60 48.49N 143 48.89W 16.2 1.1 0.24 3.26 9.63 111 8 4 37 C E CAPE YAKATAGA. 97 10 10 14 55 55.84 60 5.47N 150 41.27W 33.7 1.3 0.30 0.90 2.53 109 14 9 34 B E KENAI PEN. 97 10 10 16 55 23.51 61 58.24N 149 4.98W 11.9 1.7 0.56 1.37 1.14 97 15 8 24 A E COOK INLET. 97 10 10 17 21 34.63 60 20.86N 141 5.00W 2.8 1.5 0.32 0.93 1.55 125 12 5 32 A E YAKUTAT BAY. 97 10 10 18 44 23.13 58 22.05N 152 53.92W 44.0 2.8 0.27 2.31 5.02 113 20 12 40 C E KODIAK IS REG. 97 10 10 19 5 47.41 61 23.72N 151 14.18W 76.5 1.9 0.24 1.84 2.57 94 15 13 34 B E COOK INLET. 97 10 10 20 0 28.91 67 14.32N 143 16.08W 9.9 3.8 0.37 21.68 29.38 287 15 5 114 D E BROOKS RANGE. 97 10 10 21 56 17.60 60 16.25N 150 38.92W 32.4 1.5 0.21 1.58 3.40 94 15 6 44 B E KENAI PEN. 97 10 10 22 43 16.59 61 14.97N 149 20.82W 37.3 1.4 0.27 1.07 1.39 108 15 9 11 A E COOK INLET. 97 10 11 1 55 24.87 61 0.09N 146 46.91W 20.9 1.0 0.29 1.17 1.42 102 12 7 12 A E PR WILLIAM SOUND. 97 10 11 2 4 12.44 51 11.04N 177 42.24W 33.0N 4.6mb R ANDREANOF ISLS. 97 10 11 3 18 23.62 61 21.08N 146 55.78W 8.9 2.0 0.28 0.60 2.21 48 15 12 38 A E PR WILLIAM SOUND. 97 10 11 3 49 27.88 60 25.14N 140 41.47W 0.0 2.4 0.62 0.96 1.54 142 15 6 43 A E YAKUTAT BAY. 97 10 11 5 31 14.80 61 18.72N 152 14.78W 1.6 -0.4 0.04 0.98 3.90 148 5 5 5 B a COOK INLET. 97 10 11 6 20 57.22 60 51.99N 147 16.18W 22.8 1.9 0.41 0.99 0.88 59 21 5 10 A E PR WILLIAM SOUND. 97 10 11 7 44 47.40 61 26.73N 146 47.23W 12.0 0.6 0.13 4.30 11.73 116 8 7 43 D E PR WILLIAM SOUND. 97 10 11 8 54 48.90 60 0.22N 152 32.89W 97.8 1.9 0.26 2.74 3.11 78 24 15 24 B E COOK INLET. 97 10 11 8 56 9.41 63 47.06N 149 32.60W 9.4 1.4 0.30 2.96 2.20 182 13 6 31 B E CENTRAL AK. 97 10 11 10 18 3.23 53 23.53N 163 32.02W 2.2 2.4 0.28 36.03 37.94 255 13 3 140 D E UNIMAK IS. 97 10 11 10 26 0.19 63 12.83N 150 54.25W 16.9 0.16 11.46 7.88 162 18 0 69 D E CENTRAL AK. 97 10 11 10 26 9.04 63 13.81N 150 55.30W 16.3 3.0 0.24 2.47 1.86 164 16 10 71 A E CENTRAL AK. 97 10 11 12 19 37.25 61 25.03N 144 39.50W 15.4 1.9 0.34 3.32 5.43 106 16 6 45 C E CAPE YAKATAGA. _____________________________________________________________________________________________________________________________________________________ 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 _____________________________________________________________________________________________________________________________________________________ 97 10 11 19 35 57.77 64 51.09N 147 32.16W 15.8 1.1 0.15 1.28 2.65 104 9 5 16 B E CENTRAL AK. 97 10 11 20 49 17.90 61 5.51N 149 42.61W 42.3 2.4 0.34 0.73 1.61 41 18 16 12 A E COOK INLET. 97 10 11 21 44 20.03 63 12.65N 150 48.12W 19.1 1.7 0.13 6.38 2.91 200 9 3 64 C E CENTRAL AK. 97 10 11 22 57 55.04 59 58.99N 152 52.39W 113.0 2.4 0.20 1.89 3.23 70 29 13 9 B E COOK INLET. 97 10 12 1 38 38.53 60 4.10N 153 40.89W 15.1 1.2 0.29 0.96 3.37 165 15 12 30 B E COOK INLET. 97 10 12 2 18 41.85 62 5.59N 149 24.99W 31.0 1.6 0.41 1.42 3.15 77 16 5 44 B E CENTRAL AK. 97 10 12 4 54 32.78 65 11.57N 149 3.75W 11.0 3.2 0.31 1.51 1.27 113 13 6 47 A E N CENTRAL AK. 97 10 12 7 59 31.02 61 23.01N 149 20.15W 25.2 1.3 0.22 1.22 1.74 98 11 7 20 A E COOK INLET. 97 10 12 10 42 31.62 63 14.72N 147 20.56W 9.2 1.9 0.47 1.42 1.73 42 19 10 19 A E CENTRAL AK. 97 10 12 12 11 53.68 51 7.50N 178 21.78W 33.0N 4.6mb R ANDREANOF ISLS. 97 10 12 12 59 3.72 60 17.37N 152 42.27W 110.9 2.4 0.25 1.51 2.52 102 16 11 15 B E COOK INLET. 97 10 12 13 47 31.82 61 40.45N 148 10.20W 33.5 1.8 0.25 1.09 2.12 55 21 12 17 A E PR WILLIAM SOUND. 97 10 12 16 14 57.42 63 0.16N 149 8.97W 75.1 2.2 0.26 1.38 2.66 48 17 10 25 B E CENTRAL AK. 97 10 12 19 44 20.49 62 0.95N 148 17.86W 40.9 1.7 0.34 0.94 2.64 62 18 12 23 B E CENTRAL AK. 97 10 12 20 37 58.76 60 57.58N 147 2.05W 22.8 1.5 0.34 0.72 1.09 48 21 9 9 A E PR WILLIAM SOUND. 97 10 12 21 29 14.98 62 7.55N 149 30.94W 42.5 1.8 0.28 1.59 4.69 68 15 8 50 B E CENTRAL AK.