ssued: February 9, 1999 Prepared by:Nan Macgregor-Scott No. 06 - 99 The following is a list of significant earthquakes during the time period February 1 - 7, 1999 February 1 at 07:22 UTC (10:22 pm AST), ML 3.5, 62 N 0Õ, 150 W 42Õ, depth = 57 km (35 mi): A minor earthquake, felt in Talkeetna, was located in the central region of Alaska about 16 mi ( 26 km) ENE of Skwentna 28 mi ( 45 km) NW of Willow 29 mi ( 47 km) SW of Talkeetna 48 mi ( 78 km) WNW of Hatcher Pass 51 mi ( 82 km) NW of Wasilla February 4 at 09:12 UTC (12:12 am AST), ML 5.1, 54 N 14Õ, 162 W 11Õ, depth = 0 km (0 mi): A moderate earthquake, felt in False Pass and Cold Bay, was located in the Alaska Peninsula region of Alaska about 57 mi ( 92 km) S of King Cove 65 mi (105 km) SE of False Pass 69 mi (111 km) SSE of Cold Bay 102 mi (164 km) SW of Sand Point 128 mi (206 km) SSW of Nelson Lagoon February 4 at 14:32 UTC (05:32 am AST), ML 4.3, 54 N 13Õ, 162 W 12Õ, depth = 4 km (2 mi): A light earthquake was located in the Alaska Peninsula region of Alaska about 58 mi ( 93 km) S of King Cove 65 mi (105 km) SE of False Pass 70 mi (112 km) SSE of Cold Bay 103 mi (166 km) SW of Sand Point 130 mi (209 km) SSW of Nelson Lagoon February 7 at 04:32 UTC (07:32 pm AST), ML 3.5, 63 N 13Õ, 151 W 21Õ, depth = 15 km (10 mi): A minor earthquake was located in the central region of Alaska about 24 mi ( 39 km) SSW of Kantishna 41 mi ( 65 km) WSW of Eielson Visitor Ctr. 54 mi ( 87 km) SSE of Lake Minchumina 74 mi (119 km) NNW of Talkeetna 76 mi (122 km) W of Cantwell February 7 at 20:29 UTC (11:29 am AST), ML 3.7, 61 N 54Õ, 150 W 53Õ, depth = 51 km (32 mi): A minor earthquake was located in the Cook Inlet region of Alaska about 10 mi ( 16 km) ESE of Skwentna 30 mi ( 48 km) WNW of Willow 39 mi ( 62 km) SW of Talkeetna 52 mi ( 84 km) W of Hatcher Pass 53 mi ( 85 km) WNW of Wasilla _____________________________________________________________________________________________________________________________________________________ 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 _____________________________________________________________________________________________________________________________________________________ 99 2 1 2 16 25.23 61 38.67N 148 12.01W 32.1 1.1 0.05 3.91 8.84 86 10 4 20 C E PR WILLIAM SOUND. 99 2 1 3 18 32.69 61 13.15N 152 26.70W 9.5 0.1 0.09 2.50 3.96 190 12 10 6 B a COOK INLET. 99 2 1 4 29 35.77 59 31.91N 152 36.91W 74.4 3.4 0.20 1.19 3.48 83 23 7 37 B E COOK INLET. 99 2 1 5 31 19.39 60 19.92N 152 15.86W 79.4 1.1 0.22 8.82 14.94 114 12 3 30 D E COOK INLET. 99 2 1 7 14 9.39 60 10.22N 152 30.17W 88.0 1.5 0.14 8.81 7.39 75 11 4 27 C E COOK INLET. 99 2 1 7 22 56.66 62 0.05N 150 41.87W 57.0 3.5 0.23 0.98 2.69 63 24 6 50 B E CENTRAL AK. 99 2 1 8 11 22.25 60 50.10N 146 44.77W 21.1 1.2 0.17 1.47 3.12 86 14 6 14 B E PR WILLIAM SOUND. 99 2 1 9 46 34.90 58 55.12N 152 9.08W 44.2 2.0 0.20 5.63 23.73 152 14 5 37 D E KODIAK IS REG. 99 2 1 9 56 20.69 61 44.74N 146 20.51W 43.1 1.7 0.26 4.08 10.52 91 14 7 36 D E PR WILLIAM SOUND. 99 2 1 10 4 29.68 61 2.38N 150 4.01W 36.0 1.4 0.18 4.59 6.26 51 15 6 15 C E COOK INLET. 99 2 1 13 34 31.44 55 18.57N 161 33.25W 14.0 1.6 0.17 6.46 5.77 151 7 5 17 C E ALASKA PEN. 99 2 1 15 14 0.76 57 57.77N 151 48.30W 21.6 2.5 0.07 7.99 14.40 179 16 5 47 D E KODIAK IS REG. 99 2 1 15 17 13.68 62 38.70N 152 15.45W 139.6 2.1 0.41 10.72 26.10 126 10 4 106 D E CENTRAL AK. 99 2 1 15 36 43.32 62 40.02N 148 54.54W 50.1 2.5 0.11 2.49 11.77 76 16 5 51 D E CENTRAL AK. 99 2 1 17 4 52.03 62 58.30N 148 49.65W 64.1 2.1 0.11 2.91 4.73 90 14 3 41 B E CENTRAL AK. 99 2 1 18 47 9.81 63 11.70N 150 33.73W 128.2 3.4 0.19 3.61 4.08 153 16 6 32 B E CENTRAL AK. 99 2 1 19 51 7.69 60 27.85N 148 28.59W 18.1 1.2 0.10 3.83 5.86 130 13 4 45 C E KENAI PEN. 99 2 1 20 19 48.98 61 24.90N 151 36.19W 72.3 1.5 0.28 10.71 11.23 84 11 4 25 D E COOK INLET. 99 2 1 21 41 49.52 60 17.00N 150 49.23W 36.2 1.6 0.10 4.43 15.71 86 14 3 37 D E KENAI PEN. 99 2 1 22 57 37.75 54 40.23N 162 37.77W 8.7 2.4 0.43 3.42 2.32 184 18 11 41 B E ALASKA PEN. 99 2 1 23 7 19.92 61 7.51N 150 47.54W 49.3 2.4 0.25 2.85 5.10 77 17 7 14 C E COOK INLET. 99 2 2 2 23 59.91 61 11.46N 152 14.65W 6.0 0.2 0.16 0.68 1.02 95 14 13 2 A a COOK INLET. 99 2 2 2 35 54.53 60 41.89N 147 41.08W 13.2 1.2 0.21 0.77 1.21 89 17 11 38 A E PR WILLIAM SOUND. 99 2 2 3 36 21.63 62 7.36N 150 53.31W 65.7 1.3 0.20 2.55 6.31 168 15 8 45 C E CENTRAL AK. 99 2 2 4 17 45.58 61 10.28N 151 40.74W 76.3 0.8 0.27 4.20 4.61 124 12 5 20 B E COOK INLET. 99 2 2 4 18 59.10 61 40.49N 151 54.57W 105.5 2.3 0.27 5.70 4.12 196 15 7 33 C E COOK INLET. 99 2 2 4 18 58.71 61 40.78N 151 54.78W 108.7 1.9 0.22 4.39 2.15 173 15 8 33 B E COOK INLET. 99 2 2 4 31 49.18 61 4.04N 150 49.90W 58.9 2.2 0.17 2.14 3.79 105 16 10 37 B E COOK INLET. 99 2 2 4 58 54.30 59 42.05N 153 22.58W 132.6 2.2 0.13 1.58 2.88 92 16 7 10 B E COOK INLET. 99 2 2 5 33 10.98 60 50.34N 150 53.62W 47.2 1.8 0.33 2.22 4.19 120 16 12 22 B E KENAI PEN. 99 2 2 6 27 27.91 60 56.06N 147 26.62W 21.9 1.7 0.31 0.80 1.56 77 16 7 20 A E PR WILLIAM SOUND. 99 2 2 7 12 22.50 61 14.07N 149 58.66W 14.9 1.7 0.29 1.64 1.27 91 14 8 11 A E COOK INLET. 99 2 2 8 31 23.37 61 18.73N 152 14.82W 0.0 -0.2 0.06 0.79 9.56 149 6 5 5 C a COOK INLET. 99 2 2 9 0 45.62 61 17.91N 152 14.57W 0.0 -0.3 0.04 0.69 3.13 136 8 7 4 B a COOK INLET. 99 2 2 11 31 12.85 61 52.30N 150 36.53W 40.4 1.4 0.35 3.08 5.51 127 14 10 46 C E COOK INLET. 99 2 2 12 47 38.69 60 4.83N 152 41.23W 97.8 2.0 0.26 1.84 2.59 86 15 13 15 B E COOK INLET. 99 2 2 13 20 38.07 61 15.62N 146 49.26W 41.4 2.1 0.33 1.48 4.42 43 16 9 26 B E PR WILLIAM SOUND. 99 2 2 14 58 10.68 61 34.94N 150 53.52W 62.8 1.8 0.26 2.42 5.53 76 15 7 54 C E COOK INLET. 99 2 2 15 17 44.42 60 25.18N 152 26.20W 103.3 2.2 0.32 4.45 5.81 94 11 7 17 C E COOK INLET. 99 2 2 17 0 40.12 61 34.56N 150 58.38W 58.2 1.2 0.26 3.78 7.13 193 8 5 59 C E COOK INLET. 99 2 2 17 35 32.73 61 21.34N 150 39.58W 63.6 1.7 0.43 2.91 5.30 69 14 8 33 C E COOK INLET. 99 2 2 20 3 1.11 61 54.80N 149 45.42W 10.0 1.5 0.29 1.78 3.15 106 14 5 30 B E COOK INLET. 99 2 2 21 43 32.16 61 25.75N 146 36.16W 27.2 1.5 0.23 1.47 5.50 66 13 7 36 C E PR WILLIAM SOUND. 99 2 2 22 21 47.36 62 2.98N 147 47.18W 32.1 1.9 0.17 2.47 2.98 81 18 7 34 B E CENTRAL AK. 99 2 2 22 27 6.92 61 38.09N 149 58.21W 37.7 1.7 0.21 1.42 1.68 133 16 7 5 A E COOK INLET. 99 2 2 22 58 25.26 60 9.49N 152 55.55W 113.0 2.8 0.23 1.43 2.34 67 23 11 9 A E COOK INLET. 99 2 2 23 46 35.07 63 8.65N 149 45.40W 89.0 1.9 0.18 3.04 4.28 124 15 7 20 B E CENTRAL AK. 99 2 3 2 2 49.99 59 54.79N 148 36.80W 10.2 2.9 0.16 5.67 13.52 113 19 5 45 D E KENAI PEN. 99 2 3 5 10 10.11 60 48.30N 149 56.18W 21.9 0.9 0.10 4.66 13.40 68 10 3 36 D E KENAI PEN. 99 2 3 5 52 22.93 61 47.87N 149 15.03W 35.8 1.6 0.09 3.54 2.60 95 18 6 17 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 _____________________________________________________________________________________________________________________________________________________ 99 2 3 7 19 45.68 59 53.32N 152 51.46W 101.7 2.2 0.07 2.19 5.56 56 13 7 14 C E COOK INLET. 99 2 3 8 7 24.14 60 56.55N 147 1.80W 25.4 0.9 0.08 2.30 3.88 99 11 5 8 B E PR WILLIAM SOUND. 99 2 3 17 37 21.36 60 18.35N 147 17.26W 8.9 1.6 0.18 5.70 13.87 123 16 3 43 D E PR WILLIAM SOUND. 99 2 3 19 30 28.57 53 28.53N 164 57.89W 0.0 2.7 0.38 14.66 17.47 244 16 6 86 D E UNIMAK IS. 99 2 3 19 48 12.53 62 23.18N 148 30.24W 33.2 2.1 0.20 3.70 21.66 91 15 5 65 D E CENTRAL AK. 99 2 3 20 37 7.34 60 30.77N 146 49.50W 18.8 1.2 0.13 5.26 5.77 102 12 4 22 C E PR WILLIAM SOUND. 99 2 3 23 4 13.56 60 59.19N 146 28.02W 20.4 1.2 0.21 5.83 5.87 51 15 5 10 C E PR WILLIAM SOUND. 99 2 3 23 26 56.74 63 7.92N 149 24.41W 17.1 3.1 0.12 1.22 1.81 55 17 4 21 A E CENTRAL AK. 99 2 4 0 48 8.40 61 27.06N 151 57.50W 6.7 0.3 0.13 2.03 3.02 306 7 4 12 B a COOK INLET. 99 2 4 3 24 10.54 59 19.55N 152 14.30W 77.8 2.8 0.34 0.93 3.36 118 24 18 50 B E COOK INLET. 99 2 4 7 51 24.15 63 4.40N 150 35.52W 116.2 1.6 0.08 6.15 3.30 176 10 5 45 C E CENTRAL AK. 99 2 4 7 51 53.90 61 10.86N 146 16.59W 12.1 1.7 0.52 0.71 1.23 48 16 5 6 A E PR WILLIAM SOUND. 99 2 4 8 22 44.26 62 40.18N 149 27.58W 73.1 2.1 0.20 2.15 3.67 73 17 8 36 B E CENTRAL AK. 99 2 4 8 28 58.40 60 30.88N 151 34.24W 77.2 1.2 0.17 2.00 4.10 80 16 12 31 B E KENAI PEN. 99 2 4 9 12 56.66 54 14.33N 162 11.06W 0.0 5.1 0.36 6.58 12.43 209 17 3 81 D E ALASKA PEN. 99 2 4 9 21 6.47 54 11.82N 162 10.72W 3.1 3.2 0.39 6.64 6.02 209 17 10 86 C E ALASKA PEN. 99 2 4 10 36 30.65 61 8.35N 146 15.80W 20.5 0.8 0.30 3.22 2.35 126 5 5 4 B E PR WILLIAM SOUND. 99 2 4 12 42 12.83 60 49.24N 149 41.80W 17.8 0.8 0.15 2.53 8.43 67 8 4 41 C E KENAI PEN. 99 2 4 14 4 43.40 65 8.39N 148 42.50W 10.9 1.8 0.34 3.28 2.27 98 15 6 30 B E N CENTRAL AK. 99 2 4 14 32 43.80 54 13.29N 162 12.32W 4.0 4.3 0.32 6.59 6.58 209 17 11 83 C E ALASKA PEN. 99 2 4 16 8 50.51 61 9.50N 148 7.83W 12.3 1.0 0.30 0.89 1.66 80 13 9 20 A E PR WILLIAM SOUND. 99 2 4 21 17 29.30 62 34.52N 150 49.77W 75.2 2.1 0.16 2.06 4.06 71 18 4 35 B E CENTRAL AK. 99 2 4 22 14 58.79 61 9.22N 149 58.84W 38.7 2.1 0.51 1.94 1.43 70 16 10 11 A E COOK INLET. 99 2 4 22 44 19.71 60 4.18N 152 47.33W 96.7 2.1 0.21 1.74 2.85 77 16 11 10 B E COOK INLET. 99 2 4 23 32 27.80 61 18.63N 152 14.63W 2.3 -0.6 0.05 0.88 3.95 146 5 3 5 B a COOK INLET. 99 2 5 0 4 23.39 61 12.42N 151 12.61W 57.4 1.1 0.13 11.15 14.93 95 12 4 44 D E COOK INLET. 99 2 5 1 46 7.48 62 30.51N 149 5.86W 56.4 3.4 0.23 2.15 5.40 71 15 5 59 C E CENTRAL AK. 99 2 5 8 44 4.59 61 19.91N 152 12.46W 3.6 -0.1 0.11 3.20 8.03 145 9 9 8 C a COOK INLET. 99 2 5 10 58 44.37 61 21.09N 150 14.59W 46.2 1.7 0.19 3.94 5.98 92 14 6 30 C E COOK INLET. 99 2 5 15 10 1.36 61 12.19N 147 1.64W 15.0 1.9 0.33 3.13 10.43 41 20 5 28 D E PR WILLIAM SOUND. 99 2 5 17 13 58.67 62 14.82N 150 6.30W 1.8 2.2 0.29 4.90 5.51 56 20 4 20 C E CENTRAL AK. 99 2 5 22 42 4.69 61 25.02N 146 37.68W 10.0 1.1 0.21 3.10 12.56 66 13 7 35 D E PR WILLIAM SOUND. 99 2 6 0 43 33.18 60 1.87N 152 17.26W 69.9 2.7 0.23 0.91 2.46 74 19 13 38 A E COOK INLET. 99 2 6 1 15 25.29 54 13.69N 162 13.68W 0.0 2.5 0.31 13.98 12.72 255 14 7 82 D E ALASKA PEN. 99 2 6 1 21 34.17 61 19.13N 152 12.33W 1.6 0.0 0.05 0.95 5.56 136 6 4 6 C a COOK INLET. 99 2 6 3 31 32.35 60 35.90N 152 47.32W 134.9 2.2 0.25 5.34 3.28 133 17 9 6 C E COOK INLET. 99 2 6 8 43 35.73 61 12.71N 151 16.45W 69.8 2.6 0.31 2.00 2.74 76 19 14 14 B E COOK INLET. 99 2 6 11 41 43.04 60 52.60N 150 23.28W 50.6 1.6 0.29 4.25 6.45 122 11 8 42 C E KENAI PEN. 99 2 6 13 40 1.84 61 27.55N 147 33.43W 20.6 1.6 0.54 1.38 5.89 62 19 11 33 C E PR WILLIAM SOUND. 99 2 6 14 32 14.27 62 18.16N 151 39.58W 101.9 2.6 0.22 5.21 7.80 90 18 10 73 C E CENTRAL AK. 99 2 6 15 2 4.48 61 9.67N 151 36.75W 77.4 1.4 0.28 2.91 2.45 106 16 8 24 B E COOK INLET. 99 2 6 17 38 23.56 60 33.25N 151 9.86W 46.7 1.8 0.26 0.83 2.63 75 16 12 21 B E KENAI PEN. 99 2 6 18 3 44.41 61 28.71N 150 50.07W 59.3 1.4 0.18 2.84 7.14 112 15 9 65 C E COOK INLET. 99 2 6 19 44 51.27 59 51.15N 153 16.89W 133.4 2.4 0.19 1.77 2.70 71 20 16 17 B E COOK INLET. 99 2 6 20 16 28.27 60 43.30N 151 43.78W 96.0 1.5 0.26 7.15 9.49 155 10 7 27 C E KENAI PEN. 99 2 6 22 7 35.08 61 48.41N 149 50.05W 41.5 1.4 0.16 4.39 9.46 154 8 3 18 C E COOK INLET. 99 2 7 1 39 24.78 61 43.08N 149 43.47W 4.7 1.5 0.18 3.53 10.87 90 12 6 59 D E COOK INLET. 99 2 7 4 32 24.58 63 13.14N 151 21.30W 15.5 3.5 0.14 4.29 3.28 104 15 4 59 B E CENTRAL AK. 99 2 7 6 23 13.40 61 32.69N 146 20.13W 37.7 2.8 0.16 1.30 3.14 78 13 3 23 B E PR WILLIAM SOUND. 99 2 7 6 53 7.36 54 19.44N 162 15.74W 9.1 3.4 0.27 15.20 15.15 216 17 5 72 D E ALASKA 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 _____________________________________________________________________________________________________________________________________________________ 99 2 7 7 18 51.99 62 20.51N 149 51.34W 4.4 2.1 0.30 6.22 8.64 77 13 3 23 C E CENTRAL AK. 99 2 7 7 51 51.60 60 51.08N 148 2.22W 20.4 1.4 0.23 4.54 7.79 78 11 4 16 C E KENAI PEN. 99 2 7 8 21 51.57 61 28.09N 151 32.08W 71.4 1.8 0.08 8.87 13.75 85 8 3 31 D E COOK INLET. 99 2 7 10 32 2.18 60 35.66N 150 9.16W 40.3 1.1 0.13 5.43 7.74 87 11 3 10 C E KENAI PEN. 99 2 7 16 16 54.87 60 58.56N 146 53.67W 24.5 1.5 0.19 2.38 1.96 56 14 4 18 A E PR WILLIAM SOUND. 99 2 7 18 6 13.77 61 23.02N 146 49.08W 23.0 0.9 0.11 3.99 16.74 104 11 5 38 D E PR WILLIAM SOUND. 99 2 7 18 36 34.67 59 25.08N 152 53.99W 79.5 3.2 0.13 5.04 4.86 136 13 6 31 C E COOK INLET. 99 2 7 20 29 9.35 61 54.01N 150 53.16W 51.0 3.7 0.08 2.45 14.85 158 15 1 65 D E COOK INLET.