Issued: February 10, 1998 Prepared by: Nan Macgregor-Scott No. 05 - 98 The following is a list of significant earthquakes during the time period February 2 - 8, 1998 February 3 at 09:05 UTC (12:05 am AST), mb 4.7, 51 N 32Õ, 178 E 52Õ, depth = 43 km (26 mi): A light earthquake was located by NEIC in the Rat Islands region of Alaska about 6 mi ( 10 km) W of Amchitka 138 mi (221 km) ESE of Buldir Is 194 mi (312 km) W of Adak 218 mi (351 km) ESE of Shemya Is 258 mi (415 km) ESE of Attu February 3 at 11:57 UTC (02:57 am AST), ML 3.7, 60 N 12Õ, 153 W 18Õ, depth = 149 km (93 mi): A minor earthquake was located in the Cook Inlet region of Alaska about 35 mi ( 56 km) E of Port Alsworth 40 mi ( 64 km) NE of Pedro Bay 56 mi ( 89 km) ENE of Nondalton 57 mi ( 92 km) W of Ninilchik 59 mi ( 95 km) WNW of Anchor Point February 3 at 16:43 UTC (07:43 am AST), ML 3.8, 55 N 23Õ, 159 W 52Õ, depth = 66 km (41 mi): A minor earthquake was located in the Alaska Peninsula region of Alaska about 25 mi ( 40 km) E of Sand Point 46 mi ( 74 km) SW of Perryville 67 mi (108 km) SE of Nelson Lagoon 85 mi (137 km) SW of Chignik 86 mi (138 km) SW of Chignik Lagoon February 5 at 12:01 UTC (03:01 am AST), mb 4.5, 51 N 0Õ, 178 W 8Õ, depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Andreanof Islands region of Alaska about 88 mi (141 km) SW of Adak 130 mi (209 km) ESE of Amchitka 188 mi (303 km) WSW of Atka 272 mi (437 km) ESE of Buldir Is 280 mi (450 km) WSW of Amukta Pass February 5 at 18:33 UTC (09:33 am AST), ML 4.6, 58 N 14Õ, 138 W 43Õ, depth = 16 km (10 mi): A light earthquake was located in southeastern Alaska about 87 mi (140 km) W of Elfin Cove 93 mi (150 km) WNW of Pelican 97 mi (156 km) SSE of Yakutat 109 mi (176 km) W of Gustavus 120 mi (193 km) W of Hoonah February 7 at 15:12 UTC (06:12 am AST), mb 3.9, 52 N 0Õ, 176 E 48Õ, depth fixed at 33 km (21 mi): A minor earthquake was located by NEIC in the Rat Islands region of Alaska about 44 mi ( 71 km) ESE of Buldir Is 100 mi (161 km) WNW of Amchitka 124 mi (199 km) ESE of Shemya Is 164 mi (264 km) ESE of Attu 280 mi (450 km) W of Adak February 7 at 15:48 UTC (06:48 am AST), mb 4.7, 50 N 52Õ, 173 W 52Õ, depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Andreanof Islands region of Alaska about 93 mi (149 km) S of Atka 130 mi (210 km) SW of Amukta Pass 139 mi (224 km) ESE of Adak 258 mi (414 km) WSW of Nikolski 313 mi (504 km) E of Amchitka _____________________________________________________________________________________________________________________________________________________ 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 2 2 2 54 49.23 61 45.31N 149 39.63W 53.2 1.3 0.24 4.26 9.87 108 9 6 16 C E COOK INLET. 98 2 2 4 18 28.67 57 56.41N 156 9.19W 118.4 2.8 0.13 6.15 6.43 151 14 6 37 C E ALASKA PEN. 98 2 2 11 57 29.05 59 53.08N 153 30.03W 136.8 3.3 0.26 1.83 4.39 66 30 6 26 B E COOK INLET. 98 2 2 13 21 37.59 61 7.42N 151 41.60W 72.4 2.1 0.17 4.45 11.97 70 14 3 20 D E COOK INLET. 98 2 2 14 15 15.37 61 27.06N 146 43.19W 17.0 0.9 0.12 3.11 8.23 82 13 4 41 C E PR WILLIAM SOUND. 98 2 2 17 18 12.32 63 4.74N 151 4.99W 119.2 2.2 0.27 13.24 21.53 72 10 3 74 D E CENTRAL AK. 98 2 2 18 19 57.59 61 32.70N 146 23.13W 42.0 1.3 0.17 3.92 7.78 84 12 8 25 C E PR WILLIAM SOUND. 98 2 2 20 2 16.56 65 50.88N 149 32.06W 24.4 1.1 0.27 16.01 23.75 133 9 4 107 D E N CENTRAL AK. 98 2 2 21 49 31.88 58 42.13N 153 55.11W 78.4 2.5 0.13 4.12 7.97 88 23 5 30 C E KODIAK IS REG. 98 2 2 22 42 27.73 61 44.87N 149 45.62W 38.3 1.7 0.24 4.27 5.19 82 17 5 12 C E COOK INLET. 98 2 2 23 29 7.53 61 52.71N 149 39.16W 6.6 1.2 0.49 4.33 6.22 95 9 5 28 C E COOK INLET. 98 2 3 9 5 57.21 51 31.98N 178 51.78E 42.5D 4.7mb R RAT ISLS. 98 2 3 11 57 5.58 60 11.78N 153 18.13W 149.5 3.7 0.29 1.90 0.97 102 38 18 18 A E COOK INLET. 98 2 3 12 6 22.63 62 52.31N 148 17.67W 57.1 2.2 0.16 1.47 4.76 55 17 8 52 B E CENTRAL AK. 98 2 3 12 15 28.63 62 30.73N 148 57.14W 36.7 1.6 0.14 1.28 3.03 121 14 6 63 B E CENTRAL AK. 98 2 3 14 35 53.99 62 18.61N 149 41.23W 54.2 2.5 0.54 0.89 2.86 72 16 11 32 B E CENTRAL AK. 98 2 3 16 43 14.17 55 23.11N 159 52.47W 66.4 3.8 0.23 4.44 2.84 214 15 12 40 B E ALASKA PEN. 98 2 3 16 49 19.25 60 9.83N 151 12.40W 47.0 2.3 0.27 1.13 3.73 65 22 14 14 B E KENAI PEN. 98 2 3 16 56 23.03 60 12.29N 151 8.30W 45.7 1.6 0.18 1.21 3.94 68 20 10 20 B E KENAI PEN. 98 2 3 17 18 26.80 61 41.79N 151 3.73W 72.5 1.7 0.27 1.23 1.52 91 14 10 31 A E COOK INLET. 98 2 3 21 18 56.59 59 37.47N 152 25.18W 69.8 2.9 0.21 1.28 1.47 109 22 19 44 A E COOK INLET. 98 2 3 21 27 52.76 62 31.83N 148 59.81W 53.6 1.8 0.14 2.06 8.66 69 15 9 60 C E CENTRAL AK. 98 2 3 22 1 3.47 59 55.97N 151 52.21W 65.8 1.8 0.27 2.27 4.74 131 16 12 35 B E KENAI PEN. 98 2 3 22 3 40.63 59 37.22N 152 25.16W 68.7 2.2 0.25 2.40 3.68 162 15 14 46 B E COOK INLET. 98 2 3 22 26 21.88 62 42.63N 149 48.49W 82.1 2.6 0.22 2.30 3.65 57 17 11 31 B E CENTRAL AK. 98 2 3 23 44 21.96 59 0.26N 142 49.18W 10.0G 2.5 0.17 12.06 23.32 246 14 5 123 D E GULF OF ALASKA. 98 2 4 0 58 5.54 61 44.21N 148 4.53W 40.1 1.8 0.15 2.00 3.79 69 20 7 16 B E PR WILLIAM SOUND. 98 2 4 1 10 15.23 60 54.81N 139 59.83W 0.0 2.8 0.40 8.86 4.53 195 15 4 73 C E YAKUTAT BAY. 98 2 4 4 15 48.84 63 9.90N 149 22.82W 87.3 2.3 0.20 5.39 5.15 76 12 6 25 C E CENTRAL AK. 98 2 4 7 0 27.62 61 40.91N 147 0.10W 27.7 1.7 0.21 1.42 3.54 46 19 5 24 B E PR WILLIAM SOUND. 98 2 4 7 21 52.60 62 10.12N 147 55.47W 37.7 1.7 0.13 4.85 11.76 53 19 7 46 D E CENTRAL AK. 98 2 4 7 37 8.73 60 7.32N 147 38.51W 17.7 1.7 0.15 3.10 2.60 97 14 10 15 B E PR WILLIAM SOUND. 98 2 4 8 10 9.29 60 44.68N 146 25.96W 21.0 3.3 0.32 0.95 1.50 50 18 6 9 A E PR WILLIAM SOUND. 98 2 4 13 24 56.35 61 25.74N 150 57.26W 65.4 1.7 0.16 4.11 7.35 66 11 7 12 C E COOK INLET. 98 2 4 14 18 14.92 60 10.00N 151 15.94W 54.0 2.4 0.13 3.54 4.54 62 13 4 14 B E KENAI PEN. 98 2 4 15 46 32.86 59 45.85N 152 12.57W 64.3 1.9 0.22 4.30 7.15 52 13 5 34 C E COOK INLET. 98 2 4 15 50 18.40 61 50.65N 149 56.56W 45.2 1.3 0.11 3.93 8.60 85 9 5 22 C E COOK INLET. 98 2 4 15 53 5.80 58 19.04N 155 3.15W 6.2 -0.1 0.07 10.13 3.43 286 4 4 3 D a ALASKA PEN. 98 2 4 18 8 9.77 60 17.31N 151 14.60W 43.9 3.1 0.28 1.42 3.02 60 35 10 27 B E KENAI PEN. 98 2 4 21 42 8.68 61 28.75N 146 35.93W 20.2 1.8 0.12 1.00 16.88 69 20 6 36 D E PR WILLIAM SOUND. 98 2 4 22 49 18.42 62 37.93N 150 0.56W 69.7 1.8 0.26 5.62 5.82 57 13 5 29 C E CENTRAL AK. 98 2 5 3 15 48.70 62 53.95N 150 50.37W 92.5 2.1 0.19 2.73 4.07 89 16 8 62 B E CENTRAL AK. 98 2 5 4 32 58.87 60 5.26N 153 37.85W 18.2 1.0 0.26 3.28 4.47 166 11 7 28 B E COOK INLET. 98 2 5 6 57 20.81 62 11.05N 149 21.97W 46.6 3.4 0.46 0.87 2.65 53 16 12 51 B E CENTRAL AK. 98 2 5 8 20 44.43 61 15.49N 149 11.24W 38.4 2.4 0.20 1.12 2.67 35 21 14 20 B E COOK INLET. 98 2 5 8 58 55.20 60 44.68N 151 53.72W 84.0 3.2 0.23 0.98 1.39 62 35 25 29 A E KENAI PEN. 98 2 5 10 47 28.02 61 45.33N 150 23.75W 41.8 1.5 0.31 0.93 2.10 72 18 13 30 A E COOK INLET. 98 2 5 10 48 37.01 59 55.95N 152 44.44W 97.4 1.8 0.17 1.83 2.84 142 16 10 18 B E COOK INLET. 98 2 5 12 1 38.46 62 5.53N 151 44.60W 99.9 2.2 0.20 1.44 1.41 94 19 12 17 A E CENTRAL AK. 98 2 5 12 1 5.05 51 0.36N 178 7.98W 33.0N 4.5mb R ANDREANOF ISLS. _____________________________________________________________________________________________________________________________________________________ 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 2 5 12 24 6.00 61 30.50N 141 15.67W 0.0 2.2 0.46 1.90 2.30 161 14 6 61 A E CAPE YAKATAGA. 98 2 5 14 10 18.96 62 46.75N 149 54.42W 73.5 2.0 0.18 1.65 1.75 59 17 12 26 A E CENTRAL AK. 98 2 5 14 26 56.27 63 30.04N 148 48.05W 0.0 1.1 0.17 4.53 9.28 152 5 2 11 C E CENTRAL AK. 98 2 5 14 27 12.54 63 14.12N 150 44.13W 138.6 2.6 0.18 2.61 5.32 95 16 6 62 C E CENTRAL AK. 98 2 5 17 22 5.28 61 36.64N 151 35.56W 80.2 1.6 0.19 1.84 1.63 76 17 10 41 A E COOK INLET. 98 2 5 18 33 7.56 58 14.49N 138 42.66W 16.2 4.6 0.14 7.74 8.94 181 15 8 157 C E SOUTHEASTERN AK. 98 2 5 20 23 44.35 60 3.36N 153 6.40W 117.0 2.7 0.26 1.81 1.96 50 25 15 2 A E COOK INLET. 98 2 5 23 49 25.79 60 49.25N 152 22.16W 112.1 1.7 0.18 5.15 5.24 132 15 4 8 C E COOK INLET. 98 2 6 0 44 3.90 60 16.89N 151 22.68W 50.8 2.7 0.19 1.54 3.19 55 32 8 27 B E KENAI PEN. 98 2 6 0 45 32.62 58 16.60N 154 58.73W 0.0 0.0 0.04 2.68 98.98 272 5 5 8 D a ALASKA PEN. 98 2 6 5 18 37.32 62 51.46N 148 53.29W 62.0 1.6 0.33 6.60 14.35 94 10 3 40 D E CENTRAL AK. 98 2 6 7 48 42.04 62 18.14N 150 11.93W 20.2 1.3 0.20 5.36 9.22 99 12 4 12 C E CENTRAL AK. 98 2 6 9 0 1.53 59 53.66N 152 31.42W 81.7 1.9 0.13 7.85 8.95 74 15 3 31 C E COOK INLET. 98 2 6 11 51 18.34 60 37.56N 150 19.43W 41.9 2.1 0.15 4.73 12.30 44 12 5 14 D E KENAI PEN. 98 2 6 17 14 0.50 62 13.32N 150 17.67W 13.8 1.6 0.23 3.98 5.39 77 15 6 20 C E CENTRAL AK. 98 2 6 19 28 9.42 62 10.97N 148 3.30W 38.2 1.3 0.17 6.08 15.49 95 13 5 44 D E CENTRAL AK. 98 2 6 19 28 29.34 60 24.53N 142 56.58W 3.1 1.7 0.26 3.57 2.31 126 16 5 7 B E CAPE YAKATAGA. 98 2 6 20 40 20.73 60 36.05N 152 53.42W 133.0 2.1 0.11 10.42 12.99 98 13 3 5 D E COOK INLET. 98 2 6 20 40 36.47 63 54.74N 148 58.34W 0.4 1.4 0.14 4.82 9.94 81 14 4 20 C E CENTRAL AK. 98 2 6 23 45 43.54 61 25.40N 141 19.55W 0.0 1.7 0.27 5.02 2.37 157 13 7 51 C E CAPE YAKATAGA. 98 2 7 2 44 6.72 63 13.96N 150 58.48W 13.7 2.3 0.15 4.71 4.01 171 15 10 73 B E CENTRAL AK. 98 2 7 4 54 26.09 62 48.74N 150 5.44W 79.1 1.7 0.17 3.32 3.77 168 15 8 30 B E CENTRAL AK. 98 2 7 6 21 11.95 61 45.67N 150 48.49W 47.3 2.1 0.52 1.79 1.63 65 19 9 33 A E COOK INLET. 98 2 7 7 18 46.95 59 51.02N 152 37.07W 81.8 3.3 0.24 1.05 2.50 58 20 15 28 A E COOK INLET. 98 2 7 8 22 6.99 53 31.47N 165 7.12W 17.9 2.9 0.25 7.38 15.37 257 14 11 76 D E FOX ISLS. 98 2 7 8 46 44.49 60 48.22N 146 40.19W 19.5 0.8 0.26 1.21 1.25 78 13 11 9 A E PR WILLIAM SOUND. 98 2 7 9 38 49.38 61 59.02N 148 52.87W 14.6 1.3 0.38 1.19 1.34 102 15 11 24 A E PR WILLIAM SOUND. 98 2 7 10 6 6.68 62 9.73N 148 53.46W 38.8 1.2 0.19 2.53 4.72 182 7 5 44 B E CENTRAL AK. 98 2 7 15 12 59.40 52 0.18N 176 48.18E 33.0N 3.9mb R RAT ISLS. 98 2 7 15 48 24.50 50 52.14N 173 52.26W 33.0N 4.7mb R ANDREANOF ISLS. 98 2 7 16 53 12.23 60 41.05N 146 58.98W 15.4 2.4 0.28 0.82 2.03 49 18 9 22 A E PR WILLIAM SOUND. 98 2 7 17 23 33.07 55 57.57N 160 30.38W 150.9 3.1 0.20 5.56 4.11 157 15 9 69 C E ALASKA PEN. 98 2 7 17 23 57.83 61 22.36N 150 14.61W 44.2 1.1 0.25 2.09 4.31 109 12 8 29 B COOK INLET. 98 2 7 18 3 12.51 61 50.31N 149 33.55W 44.0 1.2 0.22 1.00 2.91 119 14 9 27 B E COOK INLET. 98 2 7 19 36 10.53 61 15.36N 150 55.09W 49.3 1.8 0.23 1.06 2.40 43 21 15 25 A E COOK INLET. 98 2 7 19 43 52.19 59 15.86N 153 36.16W 107.8 2.4 0.18 2.45 3.17 118 16 13 13 B COOK INLET. 98 2 7 21 55 49.75 60 15.06N 151 37.67W 61.4 2.0 0.24 2.22 4.23 204 12 8 30 B E KENAI PEN. 98 2 7 22 44 52.96 61 19.17N 150 53.62W 53.0 3.4 0.23 1.00 2.44 70 15 10 18 A E COOK INLET. 98 2 7 23 25 45.32 64 41.66N 146 54.09W 4.3 2.2 0.17 1.21 3.76 94 16 8 9 B E CENTRAL AK. 98 2 7 23 51 6.98 62 52.46N 148 9.81W 67.2 2.6 0.28 0.89 2.80 50 18 13 46 B E CENTRAL AK. 98 2 8 1 38 24.33 62 57.41N 150 50.07W 108.6 2.1 0.14 5.07 5.84 68 14 4 61 C E CENTRAL AK. 98 2 8 1 55 48.39 61 19.21N 150 57.28W 52.4 1.5 0.28 7.03 8.88 70 13 5 20 C E COOK INLET. 98 2 8 2 50 10.43 58 35.00N 152 40.69W 68.0 3.2 0.13 1.64 3.02 93 13 6 17 B E KODIAK IS REG. 98 2 8 5 1 39.47 59 48.84N 152 54.32W 105.7 2.1 0.14 7.75 9.26 48 15 5 18 C E COOK INLET. 98 2 8 5 38 30.08 61 18.98N 150 55.09W 52.7 3.0 0.18 1.59 2.58 58 17 4 19 B E COOK INLET. 98 2 8 6 11 24.44 60 25.20N 151 7.60W 40.3 1.7 0.20 4.39 13.97 66 12 3 37 D E KENAI PEN. 98 2 8 6 27 20.22 61 24.66N 146 41.13W 15.2 1.1 0.08 1.38 9.03 61 14 6 36 C E PR WILLIAM SOUND. 98 2 8 7 5 37.70 60 46.65N 152 7.34W 67.3 2.4 0.45 1.39 3.49 83 15 4 16 B E COOK INLET. 98 2 8 8 42 32.13 61 38.45N 146 46.76W 26.9 1.3 0.17 4.13 12.66 77 11 4 36 D E PR WILLIAM SOUND. 98 2 8 9 45 10.20 59 48.08N 153 32.26W 130.8 2.1 0.21 10.68 10.91 84 14 2 24 D E COOK INLET. _____________________________________________________________________________________________________________________________________________________ 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 2 8 12 4 54.26 59 14.66N 153 40.40W 107.8 3.1 0.14 3.36 5.80 83 12 4 17 C E COOK INLET. 98 2 8 12 12 12.83 61 29.36N 146 41.30W 9.0 1.2 0.09 1.67 7.34 68 13 6 41 C E PR WILLIAM SOUND. 98 2 8 12 13 1.90 61 30.85N 151 11.49W 2.5 1.1 0.45 4.16 8.40 84 9 3 25 C E COOK INLET. 98 2 8 12 57 6.91 61 37.96N 150 3.22W 36.0 1.7 0.13 3.16 8.31 55 13 5 9 C E COOK INLET. 98 2 8 13 5 2.69 59 26.88N 153 20.65W 92.7 2.3 0.10 3.20 6.47 94 12 6 9 C E COOK INLET. 98 2 8 15 12 2.19 60 17.72N 151 12.46W 47.3 2.3 0.13 3.56 3.99 62 15 4 28 B E KENAI PEN. 98 2 8 16 16 7.79 61 19.76N 147 18.75W 20.1 1.1 0.15 1.40 9.80 76 13 5 29 C E PR WILLIAM SOUND. 98 2 8 22 13 49.33 58 5.21N 154 13.63W 65.0 2.5 0.15 5.65 12.28 159 13 3 57 D E ALASKA PEN. 98 2 8 23 10 58.76 60 42.34N 148 45.08W 33.6 2.5 0.09 2.13 2.65 65 12 7 23 B E KENAI PEN.