Issued: February 15, 1998 Prepared by: Lalitha Rao No. 06- 98 The following is a list of significant earthquakes during the time period February 9 - 15, 1998 February 9 at 01:55 UTC (Feb.8 at 04:55 pm AST), ML 4.0, 57 N 8Õ, 155 W 23Õ, depth = 54 km (34 mi): A light earthquake was located in the Alaska Peninsula region of Alaska about 46 mi ( 75 km) SW of Karluk 60 mi ( 96 km) WSW of Larsen Bay 78 mi (126 km) W of Old Harbor 88 mi (141 km) ESE of Pilot Point 105 mi (170 km) SE of Egegik February 10 at 17:31 UTC (08:31 am AST), ML 4.2, 61 N 56Õ, 147 W 51Õ, depth fixed at 33 km (20 mi): A light earthquake , felt in Anchorage, was located in the Prince William Sound region of Alaska about 37 mi ( 60 km) ENE of Sutton 47 mi ( 76 km) ENE of Palmer 49 mi ( 79 km) ENE of Hatcher Pass 58 mi ( 93 km) ENE of Wasilla 65 mi (105 km) NE of Chugiak February 10 at 19:30 UTC (10:30 am AST), ML 4.0, 62 N 1Õ, 149 W 53Õ, depth = 48 km (30 mi): A light earthquake , felt in Willow and Talkeetna, was located in the central region of Alaska about 20 mi ( 32 km) NNE of Willow 22 mi ( 36 km) SSE of Talkeetna 26 mi ( 41 km) NW of Hatcher Pass 34 mi ( 55 km) NNW of Wasilla 39 mi ( 63 km) NW of Palmer February 13 at 17:58 UTC (08:58 am AST), ML 3.9, 64 N 15Õ, 150 W 2Õ, depth = 28 km (18 mi): A minor earthquake , felt in Clear, was located in the central region of Alaska about 27 mi ( 43 km) WSW of Clear 35 mi ( 57 km) SW of Nenana 43 mi ( 69 km) NW of Healy 55 mi ( 89 km) SSE of Manley Hot Springs 58 mi ( 93 km) NNE of Kantishna February 14 at 02:15 UTC (Feb.13 at 05:15 pm AST), ML 5.1, 63 N 5Õ, 150 W 57Õ, depth = 129 km (80 mi): A moderate earthquake was located in the central region of Alaska about 31 mi ( 50 km) S of Kantishna 59 mi ( 95 km) NNW of Talkeetna 66 mi (106 km) WSW of Cantwell 70 mi (112 km) SE of Lake Minchumina 72 mi (115 km) WSW of Denali Park February 14 at 07:35 UTC (Feb.13 at 10:35 pm AST), ML 4.0, 62 N 13Õ, 151 W 5Õ, depth = 70 km (43 mi): A light earthquake was located in the central region of Alaska about 18 mi ( 29 km) N of Skwentna 33 mi ( 53 km) WSW of Talkeetna 48 mi ( 76 km) NW of Willow 66 mi (106 km) WNW of Hatcher Pass 70 mi (113 km) NW of Wasilla February 15 at 21:45 UTC (12:45 pm AST), mb 4.5, 50 N 55Õ, 176 W 40Õ, depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Andreanof Islands region of Alaska about 67 mi (107 km) S of Adak 139 mi (223 km) SW of Atka 193 mi (310 km) E of Amchitka 224 mi (361 km) WSW of Amukta Pass 334 mi (537 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 _____________________________________________________________________________________________________________________________________________________ 98 2 9 1 55 12.69 57 7.57N 155 22.64W 54.2 4.0 0.31 3.85 12.08 173 21 8 104 D E ALASKA PEN. 98 2 9 5 46 48.78 60 27.28N 152 23.43W 90.2 2.8 0.26 1.68 2.80 45 27 17 13 B E COOK INLET. 98 2 9 9 16 45.27 60 22.04N 147 34.57W 16.4 1.5 0.24 1.37 4.25 117 15 11 40 B E PR WILLIAM SOUND. 98 2 9 10 5 40.47 62 58.62N 149 53.01W 85.7 2.2 0.18 2.64 3.07 97 17 11 13 B E CENTRAL AK. 98 2 9 11 11 2.79 60 37.32N 149 58.72W 41.5 1.8 0.18 0.91 1.29 55 21 12 18 A E KENAI PEN. 98 2 9 11 33 58.33 57 38.92N 155 40.21W 77.1 2.7 0.13 3.41 2.93 264 15 8 46 B E ALASKA PEN. 98 2 9 12 35 19.65 60 53.22N 149 38.31W 28.9 1.8 0.19 0.94 3.01 60 17 11 34 B E KENAI PEN. 98 2 9 13 11 4.78 61 15.90N 149 18.85W 32.1 1.4 0.20 1.07 1.93 41 17 8 13 A E COOK INLET. 98 2 9 13 30 25.10 62 39.34N 149 47.78W 79.9 1.8 0.23 2.26 3.51 149 16 8 37 B E CENTRAL AK. 98 2 9 14 6 45.62 60 9.54N 152 28.00W 93.7 3.0 0.21 1.02 1.39 76 33 22 29 A E COOK INLET. 98 2 9 15 16 0.17 62 10.71N 148 38.32W 33.0 1.2 0.18 3.26 4.76 190 7 4 44 B E CENTRAL AK. 98 2 9 19 48 7.85 60 30.85N 151 32.94W 61.8 1.8 0.22 1.48 3.97 65 19 11 31 B E KENAI PEN. 98 2 9 20 3 56.85 61 2.57N 146 33.12W 18.5 0.9 0.29 1.48 0.80 57 14 6 2 A E PR WILLIAM SOUND. 98 2 9 20 29 1.07 60 26.47N 151 40.54W 61.2 1.8 0.27 1.82 4.12 84 15 11 41 B E KENAI PEN. 98 2 9 22 4 41.77 58 59.19N 154 45.92W 137.6 3.7 0.21 2.62 4.51 126 22 12 65 B E ALASKA PEN. 98 2 9 22 48 0.00 61 31.73N 146 35.92W 28.7 1.8 0.12 1.08 5.39 67 19 7 36 C E PR WILLIAM SOUND. 98 2 10 0 38 1.41 64 56.87N 150 3.61W 2.7 1.9 0.13 2.15 7.65 94 16 4 33 C E CENTRAL AK. 98 2 10 5 1 33.37 62 56.33N 150 18.73W 18.6 2.3 0.21 5.58 2.90 64 18 5 35 C E CENTRAL AK. 98 2 10 9 12 4.57 61 37.71N 151 49.99W 80.7 2.0 0.14 6.53 8.27 100 14 3 42 C E COOK INLET. 98 2 10 10 40 46.19 60 37.77N 151 18.06W 56.7 3.1 0.23 1.05 3.92 47 32 9 13 B E KENAI PEN. 98 2 10 11 22 52.58 64 43.53N 147 29.39W 16.9 1.9 0.15 2.98 3.84 69 14 7 24 B E CENTRAL AK. 98 2 10 13 9 46.39 61 43.07N 149 46.52W 48.3 1.5 0.26 5.02 10.19 100 9 6 9 D E COOK INLET. 98 2 10 14 47 5.54 61 45.95N 148 54.77W 13.3 1.3 0.13 3.34 2.21 64 11 4 1 B E PR WILLIAM SOUND. 98 2 10 17 31 20.67 61 55.67N 147 51.25W 32.9 4.2 0.41 0.92 1.22 49 23 10 29 A E PR WILLIAM SOUND. 98 2 10 18 12 24.92 58 53.88N 136 42.30W 10.0 3.5 R SOUTHEASTERN AK. 98 2 10 19 30 5.09 62 1.16N 149 53.10W 47.9 4.0 0.21 0.84 2.63 67 17 4 41 B E CENTRAL AK. 98 2 10 22 49 15.80 58 58.41N 153 20.82W 73.8 2.1 0.18 5.19 7.66 80 13 6 18 C E KODIAK IS REG. 98 2 11 0 27 25.19 60 44.89N 152 11.46W 89.9 1.7 0.33 4.75 3.81 84 15 11 12 B E COOK INLET. 98 2 11 0 39 55.47 59 46.50N 153 34.89W 122.6 2.3 0.17 3.57 2.83 91 17 11 24 B E COOK INLET. 98 2 11 1 36 52.63 63 28.87N 150 46.79W 13.8 3.1 0.26 3.26 2.96 101 19 11 80 B E CENTRAL AK. 98 2 11 2 45 45.17 62 57.48N 150 33.40W 88.4 2.1 0.28 1.35 2.10 110 17 8 47 A E CENTRAL AK. 98 2 11 4 33 35.71 61 19.98N 150 53.69W 56.5 1.8 0.25 2.14 4.94 70 21 14 65 B E COOK INLET. 98 2 11 4 38 33.04 63 17.38N 149 14.76W 90.8 2.6 0.20 1.49 2.07 88 21 12 24 A E CENTRAL AK. 98 2 11 7 5 0.74 60 0.66N 153 4.84W 0.0 -0.5 0.33 3.98 2.98 148 4 3 0 B a COOK INLET. 98 2 11 7 59 35.61 59 58.34N 152 51.75W 87.2 2.0 0.25 2.17 2.61 87 19 14 10 B E COOK INLET. 98 2 11 9 43 36.15 60 4.03N 153 3.53W 0.0 -0.1 0.10 3.95 3.80 176 4 3 1 B a COOK INLET. 98 2 11 11 7 59.14 62 5.03N 151 22.22W 82.8 2.7 0.19 1.64 4.11 72 20 11 67 B E CENTRAL AK. 98 2 11 18 49 12.01 60 3.39N 152 59.62W 128.2 2.6 0.30 7.77 1.74 160 21 16 3 C E COOK INLET. 98 2 12 0 34 47.48 61 29.78N 151 59.49W 8.8 2.1 0.21 2.53 5.97 50 24 6 27 C E COOK INLET. 98 2 12 2 58 28.20 62 33.60N 151 5.98W 82.5 2.1 0.22 5.04 6.49 62 14 6 46 C E CENTRAL AK. 98 2 12 3 25 23.80 57 37.62N 155 51.22W 0.0 1.5 0.22 7.19 3.57 318 11 7 50 C E ALASKA PEN. 98 2 12 3 25 18.23 58 12.32N 151 39.96W 14.0 2.7 0.15 12.29 29.82 179 17 4 71 D E KODIAK IS REG. 98 2 12 6 44 7.45 62 26.03N 151 24.73W 98.6 3.0 0.09 3.11 8.06 86 17 5 51 C E CENTRAL AK. 98 2 12 7 33 1.95 62 19.23N 149 25.81W 52.7 1.6 0.14 7.08 14.04 59 14 3 44 D E CENTRAL AK. 98 2 12 7 43 22.99 61 43.12N 147 28.18W 45.1 1.4 0.10 5.80 7.77 63 11 4 15 C E PR WILLIAM SOUND. 98 2 12 8 56 57.57 61 29.28N 149 57.36W 42.2 1.6 0.20 3.35 7.05 77 13 6 19 C E COOK INLET. 98 2 12 9 46 45.33 60 30.53N 143 4.19W 7.6 1.7 0.14 2.07 1.29 110 16 4 14 A E CAPE YAKATAGA. 98 2 12 12 45 4.97 64 34.38N 147 9.24W 1.9 1.3 0.19 2.66 8.15 90 13 7 21 C E CENTRAL AK. 98 2 12 14 59 16.16 61 31.91N 149 56.82W 36.0 1.4 0.16 3.99 7.82 66 12 5 14 C E COOK INLET. 98 2 12 16 15 47.55 59 32.43N 152 53.97W 94.7 2.4 0.20 5.31 9.03 76 12 5 22 C 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 12 22 41 4.30 59 54.11N 152 55.18W 0.0 0.2 0.25 12.41 5.66 313 6 5 10 D a COOK INLET. 98 2 12 22 41 22.19 61 23.48N 150 54.83W 58.2 1.5 0.37 4.90 16.26 79 11 4 12 D E COOK INLET. 98 2 12 23 54 31.86 64 49.83N 146 43.25W 9.7 1.7 0.15 2.30 3.30 97 14 6 10 B E CENTRAL AK. 98 2 13 1 1 51.01 59 47.22N 153 7.93W 100.4 2.1 0.24 6.77 3.15 101 13 12 16 C COOK INLET. 98 2 13 1 13 45.14 60 19.27N 141 31.52W 0.0 1.9 0.33 1.63 1.94 135 15 8 73 A E YAKUTAT BAY. 98 2 13 1 37 1.95 59 53.45N 153 35.85W 141.0 3.0 0.25 2.94 2.10 89 22 15 31 B E COOK INLET. 98 2 13 2 28 53.94 63 10.91N 151 19.22W 9.1 2.8 0.20 1.88 1.29 102 19 10 46 A E CENTRAL AK. 98 2 13 6 51 14.92 62 14.48N 149 37.76W 9.4 1.7 0.34 0.94 1.98 59 14 10 38 A E CENTRAL AK. 98 2 13 11 4 54.54 61 29.54N 149 29.91W 37.8 2.4 0.30 0.84 1.28 65 16 13 22 A E COOK INLET. 98 2 13 14 18 17.87 64 47.42N 149 9.08W 13.8 2.1 0.41 2.84 3.55 136 15 5 24 B E CENTRAL AK. 98 2 13 17 58 28.43 64 15.10N 150 1.90W 28.4 3.9 0.26 1.48 3.29 93 18 6 29 B E CENTRAL AK. 98 2 13 18 36 55.47 59 33.49N 152 55.29W 91.4 2.3 0.23 1.73 3.05 65 21 16 20 B E COOK INLET. 98 2 13 18 50 55.52 63 22.12N 151 37.01W 42.5 2.1 0.17 4.29 6.65 113 14 5 40 C E CENTRAL AK. 98 2 13 21 11 48.67 60 0.89N 151 56.87W 71.8 2.4 0.24 1.03 3.07 63 25 17 37 B E KENAI PEN. 98 2 13 22 0 1.87 60 28.30N 152 39.25W 105.2 2.2 0.28 5.41 5.86 94 17 6 3 C E COOK INLET. 98 2 14 1 51 38.88 61 40.44N 151 48.32W 97.7 2.1 0.21 3.88 4.32 89 21 6 49 B E COOK INLET. 98 2 14 2 15 2.61 63 4.61N 150 56.63W 128.5 5.1 0.20 1.50 3.50 93 17 6 53 B E CENTRAL AK. 98 2 14 3 28 3.89 62 1.93N 149 50.22W 44.2 1.9 0.12 1.62 4.67 93 14 6 43 B E CENTRAL AK. 98 2 14 7 35 9.65 62 12.76N 151 5.48W 69.9 4.0 0.21 1.49 2.74 142 18 5 35 B E CENTRAL AK. 98 2 14 8 54 59.57 60 56.80N 150 53.59W 44.7 1.9 0.21 2.04 4.56 59 22 7 29 B E KENAI PEN. 98 2 14 9 11 13.14 63 11.06N 151 27.10W 10.5 2.1 0.15 5.06 4.66 105 16 6 49 C E CENTRAL AK. 98 2 14 12 0 13.10 59 30.80N 152 33.27W 83.8 2.2 0.19 1.34 2.69 78 19 7 41 B E COOK INLET. 98 2 14 12 47 7.99 59 31.49N 152 26.88W 71.6 3.0 0.23 0.80 2.62 78 26 11 45 B E COOK INLET. 98 2 14 13 4 5.60 59 47.74N 152 25.42W 75.3 2.6 0.25 1.33 3.00 48 23 7 40 B E COOK INLET. 98 2 14 13 41 26.57 61 25.02N 149 48.71W 31.7 2.6 0.39 0.76 1.43 57 14 6 23 A E COOK INLET. 98 2 14 14 19 47.51 60 53.48N 150 52.55W 66.7 2.1 0.37 2.73 7.04 65 15 7 26 C E KENAI PEN. 98 2 14 15 20 16.55 61 14.40N 147 37.41W 19.1 1.4 0.11 1.01 2.76 59 17 10 49 B E PR WILLIAM SOUND. 98 2 14 15 41 9.13 63 14.49N 151 20.48W 6.2 1.7 0.20 3.05 5.23 104 16 4 41 C E CENTRAL AK. 98 2 14 18 41 8.20 62 26.39N 149 2.52W 48.8 2.1 0.27 1.45 5.83 64 16 10 64 C E CENTRAL AK. 98 2 14 19 51 24.01 60 22.58N 152 59.38W 126.2 2.1 0.19 3.02 2.13 139 16 7 20 B E COOK INLET. 98 2 14 21 19 8.06 61 47.13N 149 45.90W 15.6 1.6 0.25 1.29 2.29 61 17 9 16 A E COOK INLET. 98 2 14 21 33 5.20 62 5.52N 147 57.34W 37.6 2.3 0.26 0.91 2.70 55 21 11 37 B E CENTRAL AK. 98 2 14 23 33 30.82 62 31.09N 151 16.21W 87.8 2.5 0.21 1.67 3.64 86 16 10 53 B E CENTRAL AK. 98 2 15 4 50 17.63 62 14.18N 150 57.58W 66.9 2.0 0.27 2.83 3.71 147 16 9 40 B E CENTRAL AK. 98 2 15 5 19 52.90 62 52.48N 149 5.07W 67.3 1.6 0.19 1.87 3.61 66 15 12 30 B E CENTRAL AK. 98 2 15 8 4 51.42 54 5.68N 164 3.69W 11.2 3.3 0.25 2.85 4.74 214 16 13 69 B E UNIMAK IS. 98 2 15 8 15 24.20 59 47.85N 152 31.38W 77.8 2.0 0.32 0.98 2.75 49 25 19 35 B E COOK INLET. 98 2 15 13 51 0.13 60 57.31N 146 55.87W 23.6 1.2 0.26 0.87 0.87 84 15 7 12 A E PR WILLIAM SOUND. 98 2 15 15 38 15.73 60 13.33N 151 42.67W 60.3 1.9 0.30 1.25 2.85 54 21 16 31 B E KENAI PEN. 98 2 15 17 58 0.01 54 34.83N 160 58.22W 0.0 2.9 0.47 4.74 5.66 256 15 8 85 C E ALASKA PEN. 98 2 15 18 5 52.30 60 59.26N 147 15.71W 23.2 1.6 0.23 1.04 1.79 54 18 10 15 A E PR WILLIAM SOUND. 98 2 15 18 31 16.23 59 52.84N 153 15.31W 121.4 2.8 0.20 1.40 2.25 114 26 21 14 A E COOK INLET. 98 2 15 21 45 28.16 50 54.66N 176 40.32W 33.0N 4.5mb R ANDREANOF ISLS.