Issued: January 8, 1998 Prepared by: Nan Macgregor-Scott No. 01 - 98 The following is a list of significant earthquakes during the time period December 29, 1997 - January 04, 1998 December 31 at 12:35 UTC (03:35 am AST), ML 4.1, 52 N 59', 165 W 34', depth = 24 km (15 mi): A light earthquake was located in the Aleutian Islands region of Alaska about 73 mi (117 km) SSE of Unalaska 74 mi (118 km) SSE of Dutch Harbor 80 mi (128 km) S of Akutan 138 mi (222 km) E of Nikolski 156 mi (252 km) SW of False Pass January 3 at 23:02 UTC (02:02 pm AST), ML 5.7, 53 N 59', 164 W 0', depth = 3 km (2 mi): A moderate earthquake, felt in False Pass and Akutan, was located in the Unimak Island region of Alaska about 65 mi (104 km) SSW of False Pass 73 mi (117 km) E of Akutan 98 mi (158 km) SSW of Cold Bay 101 mi (163 km) SW of King Cove 103 mi (166 km) E of Dutch Harbor January 3 at 23:34 UTC (02:34 pm AST), ML 4.4, 54 N 6', 164 W 12', depth = 0 km (0 mi): A light earthquake was located in the Unimak Island region of Alaska about 61 mi ( 98 km) SSW of False Pass 64 mi (103 km) E of Akutan 96 mi (154 km) E of Dutch Harbor 96 mi (154 km) SW of Cold Bay 96 mi (155 km) E of Unalaska January 4 at 12:43 UTC (03:43 am AST), ML 4.7, 54 N 1', 164 W 2', depth = 0 km (0 mi): A light earthquake was located in the Unimak Island region of Alaska about 63 mi (102 km) SSW of False Pass 72 mi (115 km) E of Akutan 97 mi (156 km) SSW of Cold Bay 100 mi (162 km) SW of King Cove 102 mi (164 km) E of Dutch Harbor January 4 at 16:17 UTC (07:17 am AST), ML 3.5, 53 N 20', 165 W 45', depth = 19 km (12 mi): A minor earthquake was located in the Fox Islands region of Alaska about 50 mi ( 80 km) SE of Unalaska 50 mi ( 81 km) SE of Dutch Harbor 56 mi ( 90 km) S of Akutan 132 mi (213 km) ENE of Nikolski 142 mi (229 km) SW of False Pass _____________________________________________________________________________________________________________________________________________________ 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 12 29 1 53 18.36 61 26.79N 141 19.31W 0.0 2.1 0.24 8.08 4.61 180 9 3 72 C E CAPE YAKATAGA. 97 12 29 1 54 21.66 60 2.45N 151 52.64W 70.2 2.2 0.19 6.88 10.55 78 11 3 33 D E KENAI PEN. 97 12 29 2 45 11.44 59 55.78N 151 35.45W 42.7 2.2 0.14 3.06 5.84 56 14 4 21 C E KENAI PEN. 97 12 29 2 49 29.93 53 45.42N 164 15.12W 27.4 3.2 0.26 13.74 39.08 211 14 5 103 D E UNIMAK IS. 97 12 29 3 26 25.46 63 30.15N 147 0.43W 7.7 2.5 0.17 2.25 4.35 59 15 3 51 B E CENTRAL AK. 97 12 29 8 27 49.51 62 34.48N 148 24.03W 47.1 2.6 0.15 1.29 11.66 63 15 8 77 D E CENTRAL AK. 97 12 29 9 16 39.41 54 19.72N 162 31.41W 0.0 3.2 0.28 5.72 3.57 201 15 6 73 C E ALASKA PEN. 97 12 29 10 26 26.70 64 46.25N 149 13.27W 18.7 2.1 0.10 10.61 7.15 130 10 3 23 D E CENTRAL AK. 97 12 29 11 13 35.87 59 59.37N 152 56.75W 108.3 2.4 0.15 6.59 6.63 54 15 5 5 C E COOK INLET. 97 12 29 13 47 17.48 60 19.93N 152 42.57W 92.6 2.2 0.24 5.83 9.39 65 15 5 17 C E COOK INLET. 97 12 29 15 51 8.61 60 28.31N 149 33.91W 33.1 3.0 0.23 1.73 2.08 71 15 5 11 A E KENAI PEN. 97 12 29 16 37 17.37 59 23.35N 153 46.96W 112.5 2.8 0.13 4.48 7.56 98 15 5 18 C E COOK INLET. 97 12 29 17 46 56.09 61 17.25N 146 49.51W 21.6 2.1 0.15 1.68 5.21 59 15 5 29 C E PR WILLIAM SOUND. 97 12 29 21 54 25.52 58 17.81N 150 56.41W 34.6 2.5 0.23 9.39 98.97 174 14 4 92 D E GULF OF ALASKA. 97 12 29 21 58 58.29 64 36.08N 149 25.35W 20.4 1.3 0.20 4.19 2.51 126 10 5 17 B E CENTRAL AK. 97 12 29 23 37 48.36 58 33.46N 142 43.01W 10.0G 3.3 0.26 12.47 19.77 189 14 7 181 D E GULF OF ALASKA. 97 12 30 0 58 8.24 61 9.81N 150 40.16W 60.9 2.8 0.31 1.26 3.47 85 19 5 56 B E COOK INLET. 97 12 30 6 0 49.56 63 30.15N 150 44.85W 11.1 3.1 0.40 1.91 2.10 134 18 6 81 A E CENTRAL AK. 97 12 30 8 10 12.96 65 1.09N 147 58.82W 17.7 1.6 0.26 1.79 1.48 162 12 7 13 A E N CENTRAL AK. 97 12 30 8 25 26.35 59 34.77N 152 55.22W 98.0 2.4 0.21 1.34 3.22 63 25 13 19 B E COOK INLET. 97 12 30 9 34 26.01 61 20.79N 146 42.15W 12.6 1.1 0.23 1.64 3.89 72 16 6 31 B E PR WILLIAM SOUND. 97 12 30 12 2 46.56 54 53.02N 161 52.93W 2.7 2.7 0.26 1.47 3.94 203 14 10 26 B E ALASKA PEN. 97 12 30 12 41 8.99 61 27.24N 141 23.98W 0.0 3.1 0.39 4.26 3.68 161 12 3 69 B E CAPE YAKATAGA. 97 12 30 14 29 1.97 60 29.35N 152 18.87W 109.2 3.1 0.28 1.96 3.54 67 20 13 21 B E COOK INLET. 97 12 30 14 48 47.91 62 22.40N 148 30.06W 41.7 1.5 0.19 4.21 7.35 86 15 6 64 C E CENTRAL AK. 97 12 30 15 15 12.65 60 48.34N 150 35.76W 52.5 0.8 0.24 2.70 7.93 92 21 3 36 C E KENAI PEN. 97 12 30 15 15 20.88 61 28.68N 152 0.31W 114.5 2.1 0.15 4.19 2.01 53 19 2 19 B E COOK INLET. 97 12 30 16 46 3.76 61 32.79N 141 25.67W 0.0 2.7 0.25 3.73 5.00 156 11 4 75 C E CAPE YAKATAGA. 97 12 30 18 23 9.61 60 46.98N 151 47.99W 74.2 2.7 0.14 1.30 2.75 63 20 9 31 B E KENAI PEN. 97 12 30 22 27 17.12 64 59.94N 151 6.13W 17.8 2.1 0.28 5.68 1.94 171 9 8 17 C E CENTRAL AK. 97 12 30 23 59 43.37 60 3.00N 153 3.74W 128.0 2.7 0.24 6.39 2.01 86 17 5 1 C E COOK INLET. 97 12 31 0 48 41.17 62 17.32N 149 6.34W 41.9 2.0 0.15 2.23 6.80 58 17 3 58 C E CENTRAL AK. 97 12 31 2 8 20.12 62 45.85N 149 33.82W 76.8 2.3 0.20 1.77 1.63 76 18 7 24 A E CENTRAL AK. 97 12 31 3 0 47.19 63 17.38N 145 11.47W 5.7 1.9 0.25 1.56 4.77 88 14 6 31 B E E CENTRAL AK. 97 12 31 3 14 43.02 60 6.69N 147 38.67W 17.4 3.2 0.17 1.67 1.88 93 15 8 14 A E PR WILLIAM SOUND. 97 12 31 5 40 36.72 63 11.80N 148 46.73W 6.0 1.6 0.15 3.21 4.10 110 15 5 24 B E CENTRAL AK. 97 12 31 6 30 17.06 61 32.97N 141 21.51W 0.0 2.3 0.60 1.42 2.57 159 8 4 78 B E CAPE YAKATAGA. 97 12 31 7 47 23.63 59 47.05N 152 56.78W 93.7 2.3 0.17 1.51 1.70 70 22 4 20 A E COOK INLET. 97 12 31 8 31 51.03 60 35.82N 152 37.53W 118.9 2.1 0.15 7.83 6.83 92 15 3 3 C E COOK INLET. 97 12 31 9 16 57.91 60 53.67N 147 19.67W 25.8 1.8 0.15 1.81 2.31 57 15 8 13 A E PR WILLIAM SOUND. 97 12 31 11 48 52.37 60 17.70N 151 6.36W 51.5 1.8 0.16 2.73 4.26 66 14 8 30 B E KENAI PEN. 97 12 31 12 35 6.05 52 59.36N 165 34.49W 24.2 4.1 0.26 15.58 52.71 237 14 6 124 D E ALEUTIAN ISLS. 97 12 31 12 38 54.39 59 15.82N 152 28.10W 85.9 2.3 0.27 4.10 7.15 110 15 6 50 C E COOK INLET. 97 12 31 17 49 17.73 61 29.68N 141 20.16W 0.0 3.1 0.35 4.51 6.24 158 14 6 75 C E CAPE YAKATAGA. 97 12 31 18 43 38.05 61 27.51N 141 26.22W 0.0 2.7 0.20 9.10 6.86 169 9 4 68 C E CAPE YAKATAGA. 97 12 31 19 4 27.15 61 12.52N 148 52.10W 33.5 1.5 0.10 1.56 6.15 78 13 8 32 C E PR WILLIAM SOUND. 97 12 31 20 32 16.67 61 8.80N 139 19.79W 0.0 3.0 0.36 4.42 6.34 199 11 5 128 C E S YUKON TERR. 97 12 31 22 4 10.57 60 21.83N 152 31.30W 102.5 2.7 0.25 1.86 4.77 58 14 5 15 B E COOK INLET. 98 1 1 0 12 39.55 61 24.76N 141 23.26W 0.0 2.6 0.17 8.62 6.13 169 10 4 67 C E CAPE YAKATAGA. 98 1 1 0 25 5.13 61 45.93N 149 59.80W 40.9 1.9 0.22 4.72 4.49 103 10 6 14 B 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 1 1 0 50 51.50 54 35.26N 162 16.18W 55.8 2.6 0.16 9.65 7.79 225 14 5 42 C E ALASKA PEN. 98 1 1 3 8 27.57 60 34.03N 147 51.46W 15.4 1.6 0.13 2.80 6.53 105 14 8 42 C E PR WILLIAM SOUND. 98 1 1 7 47 29.54 61 2.83N 150 59.24W 49.7 2.7 0.15 1.69 3.52 135 13 6 37 B E COOK INLET. 98 1 1 7 54 44.75 59 53.36N 148 37.64W 4.0 2.0 0.17 6.17 5.45 114 16 7 46 C E KENAI PEN. 98 1 1 12 47 44.76 59 50.79N 152 59.76W 100.4 1.9 0.14 13.39 12.95 77 14 4 13 D E COOK INLET. 98 1 1 12 56 25.03 63 30.64N 150 39.18W 12.8 2.4 0.24 4.66 5.24 76 11 5 78 C E CENTRAL AK. 98 1 1 13 0 47.17 61 15.46N 146 56.89W 37.0 1.3 0.08 1.11 3.80 60 14 7 29 B E PR WILLIAM SOUND. 98 1 1 13 0 39.16 61 33.00N 141 20.95W 0.0 1.7 0.53 7.29 10.37 160 7 4 78 D E CAPE YAKATAGA. 98 1 1 15 21 55.49 61 13.13N 147 46.04W 30.5 2.1 0.11 1.08 1.99 53 15 6 4 A E PR WILLIAM SOUND. 98 1 1 15 23 0.54 61 58.36N 148 51.81W 12.4 1.2 0.16 4.24 4.06 119 8 5 23 B E PR WILLIAM SOUND. 98 1 1 15 50 0.24 62 55.56N 150 8.02W 76.3 1.8 0.32 6.83 7.03 85 11 6 26 C E CENTRAL AK. 98 1 1 15 57 35.61 59 56.14N 152 45.25W 94.7 2.5 0.14 3.60 7.91 48 15 5 17 C E COOK INLET. 98 1 1 17 0 53.25 55 7.97N 162 13.27W 3.2 1.6 0.05 2.62 3.42 103 10 6 3 B a ALASKA PEN. 98 1 1 19 15 24.33 62 11.78N 149 23.54W 42.0 1.9 0.21 4.21 13.21 54 12 7 51 D E CENTRAL AK. 98 1 1 20 17 28.08 60 22.70N 151 22.12W 48.7 2.7 0.11 3.13 5.31 73 13 4 37 C E KENAI PEN. 98 1 1 21 7 26.84 60 12.50N 151 13.69W 44.0 1.6 0.17 4.65 6.36 66 11 5 19 C E KENAI PEN. 98 1 1 22 4 5.85 60 40.69N 141 36.45W 7.7 2.3 0.25 5.59 9.95 171 9 6 57 C E YAKUTAT BAY. 98 1 1 22 32 14.84 59 56.56N 153 14.12W 121.8 2.1 0.17 11.82 10.25 70 14 3 9 D E COOK INLET. 98 1 2 1 59 4.29 63 3.16N 150 31.03W 110.3 1.8 0.15 19.45 8.01 189 11 3 45 D E CENTRAL AK. 98 1 2 4 55 56.55 55 10.35N 162 18.25W 8.7 2.0 0.07 1.21 1.35 102 10 6 4 A a ALASKA PEN. 98 1 2 5 7 23.62 62 11.14N 148 0.68W 13.1 2.5 0.34 0.91 2.00 54 20 9 45 A E CENTRAL AK. 98 1 2 7 36 27.93 53 47.56N 165 32.94W 66.8 2.9 0.09 9.83 8.19 227 13 8 37 C E FOX ISLS. 98 1 2 8 2 10.32 61 33.61N 147 22.43W 31.2 2.2 0.29 0.68 2.75 38 20 8 31 B E PR WILLIAM SOUND. 98 1 2 10 24 48.93 62 18.63N 148 52.37W 15.2 1.2 0.19 5.60 11.28 89 15 3 60 D E CENTRAL AK. 98 1 2 10 59 37.39 60 22.12N 151 49.96W 64.1 2.1 0.20 2.13 5.02 46 20 5 47 C E KENAI PEN. 98 1 2 12 12 32.41 64 1.39N 148 10.13W 111.6 2.4 0.18 1.37 4.07 56 16 4 50 B E CENTRAL AK. 98 1 2 12 22 22.12 64 44.02N 149 11.14W 8.4 2.1 0.31 2.83 7.48 103 12 4 18 C E CENTRAL AK. 98 1 2 15 54 21.47 60 57.12N 146 43.57W 24.2 1.4 0.22 1.21 1.17 49 16 9 13 A E PR WILLIAM SOUND. 98 1 2 18 17 33.72 61 2.24N 152 9.71W 112.7 1.8 0.13 7.22 6.11 113 14 6 20 C E COOK INLET. 98 1 2 19 43 49.60 61 53.48N 149 17.02W 14.1 1.1 0.25 1.01 1.57 134 10 5 23 A E COOK INLET. 98 1 3 4 13 57.31 61 25.99N 147 42.28W 30.5 0.9 0.08 4.12 7.47 62 12 5 28 C E PR WILLIAM SOUND. 98 1 3 5 41 10.47 61 23.21N 149 15.03W 37.4 0.9 0.08 4.83 9.97 85 9 4 23 C E COOK INLET. 98 1 3 6 35 37.69 61 45.00N 148 7.38W 35.1 1.0 0.05 6.70 9.23 137 9 4 13 C E PR WILLIAM SOUND. 98 1 3 8 25 29.89 60 45.85N 150 43.62W 38.8 2.1 0.24 4.17 24.15 97 11 4 28 D E KENAI PEN. 98 1 3 8 26 46.48 58 32.75N 152 8.48W 34.9 2.4 0.12 6.92 5.71 168 10 3 16 C E KODIAK IS REG. 98 1 3 10 4 27.57 59 57.78N 152 9.77W 79.1 1.9 0.29 8.40 12.28 84 13 4 45 D E COOK INLET. 98 1 3 13 15 55.49 61 49.01N 150 15.28W 38.9 1.8 0.10 4.22 4.84 65 13 5 27 B E COOK INLET. 98 1 3 15 42 11.11 61 58.67N 148 20.00W 44.5 0.8 0.08 13.39 8.56 233 4 3 19 D E PR WILLIAM SOUND. 98 1 3 16 56 34.54 63 28.64N 149 42.62W 105.7 2.1 0.13 3.67 5.12 66 12 4 44 C E CENTRAL AK. 98 1 3 17 12 50.19 54 26.64N 164 41.38W 0.0 3.2 0.54 23.35 2.44 172 14 5 54 D E UNIMAK IS. 98 1 3 23 2 10.97 53 58.94N 164 0.27W 3.2 5.7 0.16 6.06 18.02 231 14 1 76 D E UNIMAK IS. 98 1 3 23 34 48.08 54 6.30N 164 12.36W 0.0 4.4 0.35 3.24 2.55 204 13 4 67 B E UNIMAK IS. 98 1 3 23 54 2.78 63 57.60N 147 46.90W 94.7 2.0 0.13 2.21 9.38 88 13 6 59 C E CENTRAL AK. 98 1 3 23 54 32.09 54 4.42N 164 7.70W 10.0 3.4 0.68 8.69 13.60 208 13 5 72 D E UNIMAK IS. 98 1 4 0 0 59.94 63 16.76N 149 46.49W 104.2 2.7 0.21 3.20 3.62 55 20 10 32 B E CENTRAL AK. 98 1 4 2 56 31.01 61 19.22N 151 10.47W 73.9 2.2 0.16 3.50 5.55 113 17 7 45 C E COOK INLET. 98 1 4 5 42 50.60 63 17.06N 149 45.40W 103.5 2.2 0.19 6.99 4.43 70 18 5 35 C E CENTRAL AK. 98 1 4 12 43 5.92 54 0.54N 164 1.59W 0.0 4.7 0.20 4.81 3.23 229 14 3 73 B E UNIMAK IS. 98 1 4 15 14 55.15 59 59.15N 153 10.47W 126.7 2.5 0.29 1.64 2.69 123 20 14 6 B E COOK INLET. 98 1 4 16 17 3.78 53 19.51N 165 45.17W 19.2 3.5 0.20 6.36 14.32 255 15 7 87 D E FOX 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 1 4 19 52 1.76 59 37.02N 153 28.29W 119.7 2.5 0.13 4.10 5.55 69 21 10 14 C E COOK INLET. 98 1 4 21 40 6.11 60 43.24N 146 47.36W 22.6 1.6 0.20 1.76 1.72 62 16 6 11 A E PR WILLIAM SOUND.