Issued: February 15, 1999 Prepared by: Lalitha Rao No. 07 - 99 The following is a list of significant earthquakes during the time period February 8 - 14, 1999 February 8 at 06:29 UTC ( Feb. 7 at 09:29 pm AST), ML 2.5, 64 N 59', 147 W 30', depth = 18 km (11 mi): A minor earthquake, felt lightly in the Fairbanks area, was located in the central region of Alaska about 4 mi ( 6 km) ENE of Fox 9 mi ( 14 km) S of Chatanika 11 mi ( 17 km) NNE of Fort Wainwright 12 mi ( 19 km) NNE of Fairbanks 17 mi ( 27 km) NNW of North Pole February 9 at 04:00 UTC (Feb.8 at 07:00 pm AST), ML 3.9, 59 N 17', 153 W 29', depth = 107 km (67 mi): A minor earthquake was located in the Cook Inlet region of Alaska about 41 mi ( 66 km) SSE of Pedro Bay 55 mi ( 89 km) W of English Bay 58 mi ( 94 km) ESE of Newhalen 59 mi ( 95 km) W of Port Graham 60 mi ( 96 km) ESE of Iliamna February 9 at 14:33 UTC (05:33 am AST), ML 4.4, 59 N 53', 153 W 34', depth = 137 km (85 mi): A light earthquake was located in the Cook Inlet region of Alaska about 20 mi ( 32 km) ENE of Pedro Bay 34 mi ( 55 km) SE of Port Alsworth 45 mi ( 72 km) E of Nondalton 48 mi ( 76 km) ENE of Iliamna 48 mi ( 77 km) ENE of Newhalen February 10 at 02:52 UTC (Feb.9 at 05:52 pm AST), ML 3.4, 63 N 1', 150 W 37', depth = 116 km (72 mi): A minor earthquake was located in the central region of Alaska about 33 mi ( 53 km) SSW of Eielson Visitor Ctr. 37 mi ( 60 km) SSE of Kantishna 51 mi ( 81 km) NNW of Talkeetna 58 mi ( 94 km) WSW of Cantwell 65 mi (105 km) SW of Denali Park entrance February 10 at 22:19 UTC (01:19 pm AST), ML 3.8, 60 N 10', 153 W 7', depth = 150 km (93 mi): A minor earthquake was located in the Cook Inlet region of Alaska about 41 mi ( 66 km) E of Port Alsworth 43 mi ( 69 km) NE of Pedro Bay 51 mi ( 82 km) W of Ninilchik 52 mi ( 84 km) WNW of Anchor Point 60 mi ( 96 km) W of Clam Gulch February 12 at 07:06 UTC (Feb.11 at 10:06 pm AST), ML 2.4, 64 N 53', 147 W 32', depth = 15 km (10 mi): A minor earthquake , felt in the Fairbaks area, was located in the central region of Alaska about 4 mi ( 7 km) NE of Fort Wainwright 5 mi ( 8 km) SSE of Fox 6 mi ( 10 km) NE of Fairbanks 11 mi ( 18 km) NNW of North Pole 14 mi ( 23 km) ENE of Ester February 12 at 12:11 UTC (03:11 am AST), mb 4.9, 51 N 34', 173 W 52', depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Andreanof Islands region of Alaska about 45 mi ( 72 km) SSE of Atka 96 mi (155 km) WSW of Amukta Pass 121 mi (195 km) E of Adak 233 mi (374 km) WSW of Nikolski 307 mi (495 km) E of Amchitka February 12 at 12:14 UTC (03:14 am AST), mb 4.9, 51 N 38', 173 W 53', depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Andreanof Islands region of Alaska about 41 mi ( 65 km) SSE of Atka 94 mi (151 km) WSW of Amukta Pass 120 mi (194 km) E of Adak 231 mi (371 km) WSW of Nikolski 307 mi (494 km) E of Amchitka February 13 at 06:38 UTC (Feb.12 at 09:38 pm AST), mb 4.3, 50 N 56', 177 W 28', depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Andreanof Islands region of Alaska about 74 mi (119 km) SSW of Adak 159 mi (256 km) ESE of Amchitka 166 mi (266 km) WSW of Atka 255 mi (410 km) WSW of Amukta Pass 301 mi (484 km) ESE of Buldir Is _____________________________________________________________________________________________________________________________________________________ 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 8 6 29 45.88 64 59.06N 147 30.19W 17.5 2.5 0.22 1.80 1.11 116 13 10 21 A E CENTRAL AK. 99 2 8 8 23 41.49 60 24.57N 152 4.04W 95.9 1.5 0.27 4.48 5.17 104 11 7 39 C E COOK INLET. 99 2 8 9 6 17.84 61 25.63N 146 44.22W 27.6 2.5 0.23 0.73 3.63 61 13 8 39 B E PR WILLIAM SOUND. 99 2 8 9 6 48.42 60 12.02N 152 58.23W 132.3 3.1 0.28 3.49 1.66 135 25 11 13 B E COOK INLET. 99 2 8 9 35 14.13 61 39.27N 151 38.40W 82.7 1.9 0.23 3.03 3.73 97 17 8 39 B E COOK INLET. 99 2 8 11 35 11.06 60 19.50N 150 56.17W 45.5 1.8 0.22 0.94 2.80 111 15 11 37 B E KENAI PEN. 99 2 8 15 23 36.76 60 5.41N 152 52.86W 111.0 2.6 0.27 3.50 3.27 102 25 14 5 B E COOK INLET. 99 2 8 19 12 53.05 62 3.74N 150 36.66W 0.0 1.9 0.34 3.64 3.78 137 16 6 42 B E CENTRAL AK. 99 2 8 21 39 24.34 59 56.50N 152 49.25W 88.1 2.0 0.30 1.89 3.48 99 14 10 14 B E COOK INLET. 99 2 9 4 0 51.34 59 17.20N 153 28.68W 107.2 3.9 0.17 2.45 2.79 136 22 7 6 B E COOK INLET. 99 2 9 4 52 31.44 60 35.66N 151 31.88W 54.5 1.7 0.40 6.83 13.76 108 12 3 23 D E KENAI PEN. 99 2 9 5 18 53.54 60 32.14N 150 59.72W 44.8 2.1 0.21 4.39 8.21 70 14 3 27 C E KENAI PEN. 99 2 9 14 33 45.56 59 52.78N 153 34.08W 137.2 4.4 0.22 10.16 5.47 151 18 9 29 D E COOK INLET. 99 2 9 16 26 10.90 60 48.50N 146 3.86W 21.7 1.2 0.07 3.18 9.36 59 13 4 30 C E PR WILLIAM SOUND. 99 2 9 16 56 14.74 59 46.53N 153 0.63W 94.0 1.9 0.07 7.70 9.59 133 10 4 18 C E COOK INLET. 99 2 9 17 17 40.50 60 51.01N 152 12.64W 83.0 1.6 0.17 8.17 15.81 89 14 3 15 D E COOK INLET. 99 2 9 20 10 5.54 63 8.90N 151 22.48W 11.9 2.7 0.22 5.28 5.42 103 21 5 64 C E CENTRAL AK. 99 2 9 23 20 22.60 61 42.28N 150 25.88W 5.7 1.6 0.19 4.83 4.20 113 10 3 30 B E COOK INLET. 99 2 9 23 22 44.54 65 42.94N 145 25.20W 11.9 2.1 0.27 16.53 6.75 181 10 5 23 D E N CENTRAL AK. 99 2 10 0 25 49.18 65 18.34N 148 4.24W 16.6 2.0 0.27 3.12 1.63 180 8 6 39 B E N CENTRAL AK. 99 2 10 2 5 1.10 63 8.13N 150 37.68W 122.9 3.1 0.23 1.67 3.22 91 21 8 39 B E CENTRAL AK. 99 2 10 2 15 55.08 63 9.76N 150 21.37W 116.3 2.0 0.17 3.56 4.60 99 11 6 32 B E CENTRAL AK. 99 2 10 2 48 10.86 61 48.55N 149 38.51W 38.8 2.5 0.28 0.85 2.49 75 17 11 22 A E COOK INLET. 99 2 10 2 52 7.08 63 0.68N 150 37.04W 116.4 3.4 0.22 1.61 3.44 66 22 6 52 B E CENTRAL AK. 99 2 10 3 44 25.82 62 44.53N 149 0.54W 54.3 2.0 0.13 1.73 6.77 81 14 6 74 C E CENTRAL AK. 99 2 10 5 52 10.87 60 49.18N 151 6.65W 14.6 1.4 0.18 2.78 3.52 155 16 13 11 B E KENAI PEN. 99 2 10 8 35 56.07 60 47.06N 151 55.73W 82.1 1.7 0.20 3.92 4.46 76 18 11 27 B E KENAI PEN. 99 2 10 9 16 2.46 61 28.45N 151 57.76W 4.9 0.6 0.08 2.40 1.57 314 6 5 13 A E COOK INLET. 99 2 10 9 45 31.43 59 30.65N 152 52.69W 74.2 2.1 0.23 2.63 3.22 85 20 14 25 B E COOK INLET. 99 2 10 15 19 21.44 60 49.37N 146 44.22W 16.5 2.6 0.25 0.74 1.22 51 16 7 13 A E PR WILLIAM SOUND. 99 2 10 17 8 0.94 60 56.77N 147 3.38W 25.1 1.3 0.16 1.60 4.68 70 11 4 28 B E PR WILLIAM SOUND. 99 2 10 18 59 55.67 61 23.35N 146 43.40W 28.2 1.7 0.18 0.96 3.50 75 15 9 35 B E PR WILLIAM SOUND. 99 2 10 22 19 0.37 60 9.58N 153 7.17W 149.9 3.8 0.23 9.46 3.79 144 18 11 11 C E COOK INLET. 99 2 11 14 15 51.57 61 28.08N 152 2.22W 5.7 0.8 0.04 7.38 14.89 179 8 5 10 D E COOK INLET. 99 2 11 15 41 48.28 62 56.93N 150 24.68W 108.5 3.1 0.15 3.69 6.42 65 20 7 56 C E CENTRAL AK. 99 2 11 16 17 25.78 61 35.93N 146 26.15W 29.4 1.4 0.09 2.23 9.16 74 15 4 30 C E PR WILLIAM SOUND. 99 2 11 17 5 36.65 60 7.72N 152 18.16W 68.2 3.0 0.26 1.04 3.31 72 32 8 37 B E COOK INLET. 99 2 11 17 30 5.46 60 56.57N 146 57.50W 27.6 1.3 0.12 1.97 3.56 66 13 4 23 B E PR WILLIAM SOUND. 99 2 11 18 7 21.45 61 35.01N 146 18.15W 33.7 1.5 0.20 3.88 7.99 69 14 7 23 C E PR WILLIAM SOUND. 99 2 11 18 33 0.21 54 46.50N 160 42.19W 16.1 2.4 0.12 7.84 28.65 225 14 6 43 D E ALASKA PEN. 99 2 11 19 33 51.36 59 56.31N 147 13.73W 7.6 1.7 0.05 7.08 9.09 150 15 4 37 C E GULF OF ALASKA. 99 2 11 20 59 37.50 60 13.75N 152 51.15W 0.0 0.9 0.34 5.77 8.87 67 12 4 18 C E COOK INLET. 99 2 11 20 59 37.16 60 12.86N 152 45.68W 9.9 1.0 0.18 3.14 4.58 197 8 7 19 B E COOK INLET. 99 2 11 22 3 50.49 59 13.45N 151 30.21W 13.0 2.5 0.12 6.63 6.21 116 14 4 37 C E KENAI PEN. 99 2 11 22 38 0.68 61 24.98N 149 57.69W 40.0 2.4 0.45 0.79 1.23 51 19 11 26 A E COOK INLET. 99 2 12 2 40 15.60 60 31.34N 151 54.28W 69.0 1.6 0.22 3.69 3.61 101 12 9 44 B E KENAI PEN. 99 2 12 3 27 23.56 62 32.24N 151 24.41W 89.3 1.9 0.30 4.21 7.00 107 13 6 61 C E CENTRAL AK. 99 2 12 3 27 54.03 64 25.21N 148 56.85W 0.0 1.1 0.13 3.85 99.00 161 4 3 19 D E CENTRAL AK. 99 2 12 7 6 11.02 64 53.42N 147 32.32W 15.3 2.4 0.41 2.00 2.06 105 15 8 13 A E CENTRAL AK. 99 2 12 9 5 44.95 59 56.21N 151 55.37W 71.0 1.8 0.25 3.01 4.46 94 16 15 35 B 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 _____________________________________________________________________________________________________________________________________________________ 99 2 12 9 9 55.91 61 20.27N 147 27.14W 15.1 1.4 0.23 1.18 3.84 98 10 7 24 B E PR WILLIAM SOUND. 99 2 12 9 45 37.97 63 13.80N 150 57.85W 8.9 2.1 0.31 3.06 3.27 98 19 10 42 B E CENTRAL AK. 99 2 12 9 53 50.57 61 48.91N 149 39.57W 43.0 2.1 0.31 0.96 1.69 83 16 11 22 A E COOK INLET. 99 2 12 11 38 47.30 61 20.05N 152 13.93W 8.5 0.2 0.11 1.81 3.65 159 9 6 8 B a COOK INLET. 99 2 12 11 55 43.57 63 5.37N 150 49.44W 119.8 2.3 0.16 3.70 2.58 93 18 6 48 B E CENTRAL AK. 99 2 12 12 11 32.44 51 34.44N 173 52.38W 33.0N 4.9mb R ANDREANOF ISLS. 99 2 12 12 14 2.95 51 38.34N 173 52.62W 33.0N 4.9mb R ANDREANOF ISLS. 99 2 12 13 25 15.91 62 27.20N 151 44.76W 1.3 1.8 0.25 3.19 4.14 108 11 7 76 B E CENTRAL AK. 99 2 12 13 25 27.12 61 0.24N 149 27.82W 34.5 1.3 0.20 2.40 4.97 144 9 6 27 B E COOK INLET. 99 2 12 14 15 22.86 61 27.48N 152 7.38W 93.1 2.6 0.41 1.96 2.46 59 22 7 6 A E COOK INLET. 99 2 12 14 15 41.55 64 7.70N 149 10.65W 18.5 1.2 0.19 3.30 2.51 109 9 3 15 B E CENTRAL AK. 99 2 12 14 45 22.90 60 2.81N 152 52.30W 100.9 1.9 0.13 3.16 2.70 135 14 9 6 B E COOK INLET. 99 2 12 18 31 52.58 59 36.31N 151 43.43W 68.4 2.3 0.23 2.07 1.53 92 17 13 7 A E KENAI PEN. 99 2 12 21 37 12.13 59 54.75N 153 18.86W 120.4 1.6 0.27 4.61 5.18 269 12 6 22 C E COOK INLET. 99 2 12 21 45 11.72 62 1.56N 150 24.11W 15.0 1.7 0.21 2.42 3.75 135 14 7 43 B E CENTRAL AK. 99 2 12 22 14 35.57 59 48.73N 152 32.57W 86.1 1.7 0.27 1.27 1.91 133 14 9 34 A E COOK INLET. 99 2 12 22 18 8.89 61 12.18N 152 11.31W 3.7 -0.1 0.12 0.69 0.88 148 6 5 1 A a COOK INLET. 99 2 12 23 12 1.56 61 3.42N 151 52.29W 105.3 1.6 0.16 10.61 6.72 114 10 3 17 D E COOK INLET. 99 2 13 6 38 43.63 50 56.10N 177 27.96W 33.0N 4.3mb R ANDREANOF ISLS. 99 2 13 7 9 37.89 58 53.54N 151 10.13W 33.9 2.7 0.19 3.57 16.87 220 11 9 71 D E KODIAK IS REG. 99 2 13 7 38 57.47 61 24.90N 146 53.87W 15.0 1.5 0.31 0.97 6.37 64 14 6 43 C E PR WILLIAM SOUND. 99 2 13 7 49 39.49 61 18.26N 146 52.24W 40.3 1.7 0.21 1.08 2.24 89 13 5 31 A E PR WILLIAM SOUND. 99 2 13 8 19 44.97 61 31.66N 151 23.91W 78.0 2.4 0.14 7.36 3.26 188 9 5 41 C E COOK INLET. 99 2 13 8 29 1.12 61 25.68N 150 3.59W 45.7 2.1 0.30 1.59 2.63 89 11 6 27 B E COOK INLET. 99 2 13 13 16 54.74 64 50.26N 148 43.56W 8.2 1.8 0.18 1.67 3.61 136 11 5 27 B E CENTRAL AK. 99 2 14 2 24 2.45 60 46.31N 149 47.09W 37.6 1.3 0.13 1.67 4.38 66 15 7 37 B E KENAI PEN. 99 2 14 3 5 21.64 59 57.29N 152 41.12W 102.0 1.9 0.25 1.45 2.87 96 15 11 20 B E COOK INLET. 99 2 14 4 14 57.71 61 13.67N 152 13.56W 5.4 0.1 0.19 0.74 1.56 79 8 8 2 A a COOK INLET. 99 2 14 4 45 33.00 60 8.23N 152 30.74W 89.2 1.9 0.24 2.66 2.97 84 15 14 26 B E COOK INLET. 99 2 14 6 9 24.74 59 13.51N 151 33.43W 48.3 2.7 0.26 2.02 3.49 128 16 12 38 B E KENAI PEN. 99 2 14 6 30 32.01 57 18.36N 153 56.13W 1.3 3.1 0.26 5.45 5.16 204 13 10 100 C E KODIAK IS REG. 99 2 14 6 40 20.03 60 56.40N 147 21.96W 14.4 2.3 0.22 0.67 3.87 76 18 11 35 B E PR WILLIAM SOUND. 99 2 14 9 8 39.27 61 18.50N 152 15.05W 1.3 0.5 0.07 0.71 2.46 147 9 7 5 A a COOK INLET. 99 2 14 12 30 52.37 61 17.84N 151 0.41W 47.8 2.6 0.20 2.62 3.42 74 16 13 47 B E COOK INLET. 99 2 14 23 31 27.45 60 27.78N 152 8.21W 100.0 3.0 0.32 1.90 2.08 56 18 12 33 A E COOK INLET.