Issued: August 20, 1997 Prepared by: Lalitha Rao No. 33- 97 The following is a list of significant earthquakes during the time period August 11 - 17, 1997 August15 at 02:45 UTC (August14,06:45 pm ADT), ML 3.8, 53 N 41', 162 W 41', depth fixed at 33 km (21 mi): A minor earthquake was located south of Alaska about 86 mi (138 km) SSE of False Pass 96 mi (154 km) S of King Cove 104 mi (167 km) S of Cold Bay 130 mi (209 km) ESE of Akutan 144 mi (232 km) SW of Sand Point August 15 at 18:08 UTC (10:08 am ADT), ML 3.7, 59 N 4', 136 W 45', depth = 10 km (6 mi): A minor earthquake was located in southeastern Alaska about 38 mi ( 61 km) SW of Klukwan 48 mi ( 78 km) WSW of Haines 58 mi ( 93 km) WSW of Skagway 59 mi ( 95 km) NW of Gustavus 63 mi (101 km) NNW of Elfin Cove August 16 at 05:12 UTC (August 15 ,09:12 pm ADT), ML 4.4, 62 N 27', 150 W 58', depth = 89 km (55 mi): A light earthquake, felt in Willow and other locations in southcentral Alaska, was located in the central region of Alaska about 29 mi ( 47 km) WNW of Talkeetna 34 mi ( 55 km) N of Skwentna 57 mi ( 92 km) NNW of Willow 71 mi (115 km) NW of Hatcher Pass 75 mi (121 km) S of Kantishna August 17 at 05:31 UTC (August 16,09:31 pm ADT), ML 4.6, 53 N 49', 165 W 23', depth = 58 km (36 mi): A light earthquake was located in the Fox Islands region of Alaska about 27 mi ( 44 km) SE of Akutan 47 mi ( 75 km) E of Dutch Harbor 47 mi ( 76 km) E of Unalaska 108 mi (173 km) SW of False Pass 143 mi (231 km) SW of Cold Bay August 17 at 11:58 UTC (03:58 am ADT), ML 3.7, 53 N 50', 165 W 20', depth = 61 km (38 mi): A minor earthquake was located in the Fox Islands region of Alaska about 27 mi ( 44 km) SE of Akutan 49 mi ( 78 km) E of Dutch Harbor 49 mi ( 79 km) E of Unalaska 105 mi (169 km) SW of False Pass 141 mi (226 km) SW of Cold Bay August 17 at 18:51 UTC (10:51 am ADT), ML 3.7, 53 N 25', 163 W 32', depth = 0 km (0 mi): A minor earthquake was located in the Unimak Island region of Alaska about 100 mi (161 km) S of False Pass 105 mi (168 km) ESE of Akutan 124 mi (200 km) SSW of King Cove 127 mi (205 km) ESE of Dutch Harbor 127 mi (205 km) SSW of Cold Bay August 17 at 21:55 UTC (01:55 pm ADT), ML 3.7, 53 N 26', 163 W 38', depth = 2 km (1 mi): A minor earthquake was located in the Unimak Island region of Alaska about 98 mi (158 km) S of False Pass 100 mi (161 km) ESE of Akutan 123 mi (197 km) ESE of Dutch Harbor 123 mi (198 km) ESE of Unalaska 125 mi (201 km) SSW of King Cove _____________________________________________________________________________________________________________________________________________________ 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 8 11 5 8 0.81 61 38.41N 150 3.77W 46.8 1.6 0.33 1.92 2.42 95 15 8 10 A E COOK INLET. 97 8 11 9 54 58.42 58 26.76N 152 30.72W 45.5 3.2 0.25 2.27 2.12 127 19 10 20 A E KODIAK IS REG. 97 8 11 11 13 27.68 60 40.32N 147 25.61W 14.0 1.5 0.24 0.94 1.73 78 15 8 29 A E PR WILLIAM SOUND. 97 8 11 11 49 34.34 63 35.48N 147 46.60W 72.1 2.5 0.32 1.17 3.17 74 15 12 59 B E CENTRAL AK. 97 8 11 12 50 39.86 63 13.98N 150 23.54W 118.0 2.4 0.26 1.61 2.07 121 16 9 25 A E CENTRAL AK. 97 8 11 18 8 40.38 60 55.19N 151 32.87W 74.0 2.1 0.21 1.53 2.64 70 16 8 26 B E KENAI PEN. 97 8 11 19 47 33.38 60 1.89N 153 5.08W 0.0 -0.2 0.09 0.93 0.93 143 5 4 2 A a COOK INLET. 97 8 11 22 17 21.71 61 41.61N 150 17.40W 41.9 2.1 0.30 1.55 1.20 128 16 13 22 A E COOK INLET. 97 8 11 23 59 12.71 63 11.67N 150 20.34W 114.7 2.8 0.15 1.97 3.30 119 14 10 29 B E CENTRAL AK. 97 8 12 1 59 56.67 61 51.43N 149 38.11W 11.6 1.3 0.19 5.75 6.45 81 13 5 26 C E COOK INLET. 97 8 12 2 17 55.12 59 30.53N 152 22.79W 66.2 2.1 0.20 7.01 8.44 83 13 5 41 C E COOK INLET. 97 8 12 4 5 5.06 61 29.52N 146 36.52W 49.1 1.3 0.17 5.95 12.79 90 9 4 37 D E PR WILLIAM SOUND. 97 8 12 4 37 49.75 53 54.77N 165 7.05W 61.0 3.6 0.14 10.50 5.40 219 14 6 44 D E FOX ISLS. 97 8 12 7 5 54.96 60 38.70N 151 22.81W 53.5 1.6 0.28 4.86 13.47 67 11 5 13 D E KENAI PEN. 97 8 12 9 29 13.55 59 44.70N 152 46.09W 86.1 2.3 0.19 4.20 6.05 53 15 11 28 C E COOK INLET. 97 8 12 14 37 2.05 58 59.56N 150 48.54W 47.8 2.9 0.20 3.88 5.77 139 16 7 64 C E GULF OF ALASKA. 97 8 12 18 32 25.44 61 23.90N 151 15.49W 60.3 2.1 0.12 3.25 7.29 81 13 7 28 C E COOK INLET. 97 8 12 18 42 28.87 64 35.77N 149 14.48W 13.5 1.6 0.22 7.27 3.18 118 8 6 8 C E CENTRAL AK. 97 8 12 19 4 26.35 59 57.13N 153 41.81W 145.3 2.5 0.21 6.97 8.82 85 13 5 33 C E COOK INLET. 97 8 12 20 58 44.92 64 23.73N 148 0.44W 20.6 1.5 0.13 2.68 2.12 124 15 5 9 B E CENTRAL AK. 97 8 12 21 34 19.19 60 6.31N 150 57.35W 36.8 2.0 0.12 4.43 11.05 85 12 5 20 D E KENAI PEN. 97 8 13 1 21 32.74 60 3.71N 152 25.10W 92.3 1.8 0.16 1.86 1.65 94 15 13 30 A E COOK INLET. 97 8 13 4 22 58.05 60 12.75N 152 40.10W 102.8 2.2 0.27 4.01 2.88 99 15 9 22 B E COOK INLET. 97 8 13 5 18 51.30 64 54.50N 146 23.81W 13.3 2.2 0.26 0.64 1.20 110 15 12 28 A E CENTRAL AK. 97 8 13 5 44 33.27 60 18.84N 152 18.18W 88.6 2.0 0.32 2.27 2.57 75 19 12 29 B E COOK INLET. 97 8 13 5 54 5.38 61 27.46N 150 0.56W 34.8 1.6 0.27 1.14 2.78 71 16 10 23 B E COOK INLET. 97 8 13 6 46 9.65 62 5.71N 152 32.68W 0.0 3.2 0.53 1.43 2.13 62 19 8 55 A E CENTRAL AK. 97 8 13 7 31 54.99 60 31.83N 147 33.89W 0.0 1.4 0.30 0.78 2.19 93 15 5 56 A E PR WILLIAM SOUND. 97 8 13 11 1 0.62 63 9.92N 151 26.67W 9.7 1.7 0.33 2.37 2.90 151 13 5 51 B E CENTRAL AK. 97 8 13 11 49 33.29 61 55.52N 150 25.32W 48.5 1.6 0.36 1.02 2.59 86 14 12 42 B E COOK INLET. 97 8 13 12 32 10.57 61 36.78N 149 45.06W 35.8 1.9 0.31 1.05 1.93 52 15 11 8 A E COOK INLET. 97 8 13 13 34 26.28 59 58.24N 150 30.06W 51.1 1.4 0.08 2.33 4.40 151 7 5 32 B E KENAI PEN. 97 8 13 13 35 16.84 59 42.43N 153 29.22W 0.0 1.7 0.12 22.06 53.12 349 4 4 41 D E COOK INLET. 97 8 13 13 49 20.76 61 44.30N 150 9.54W 32.5 1.6 0.34 2.33 1.69 76 14 8 18 A E COOK INLET. 97 8 13 14 43 51.20 64 46.18N 147 26.74W 9.9 2.4 0.19 0.63 2.18 65 15 10 22 A E CENTRAL AK. 97 8 13 16 11 48.98 60 59.75N 146 45.38W 19.7 0.2 0.07 4.00 3.34 177 5 4 11 B E PR WILLIAM SOUND. 97 8 13 22 52 48.19 61 30.78N 146 29.83W 23.4 1.7 0.28 0.89 1.87 65 16 10 31 A E PR WILLIAM SOUND. 97 8 14 0 42 39.04 60 57.90N 149 35.33W 0.0 0.7 0.45 7.26 10.62 173 8 4 33 D E KENAI PEN. 97 8 14 0 50 10.93 60 28.15N 151 44.89W 49.3 1.3 0.34 8.09 14.42 135 11 5 38 D E KENAI PEN. 97 8 14 1 26 1.83 63 25.18N 150 47.21W 144.7 1.9 0.29 10.60 11.49 94 12 3 16 D E CENTRAL AK. 97 8 14 3 29 31.04 61 20.58N 147 32.29W 21.7 0.8 0.20 4.14 11.44 79 11 4 22 D E PR WILLIAM SOUND. 97 8 14 7 40 47.11 60 13.83N 152 40.60W 104.8 2.3 0.19 4.87 8.81 62 14 7 23 C E COOK INLET. 97 8 14 11 20 1.42 61 34.55N 149 49.09W 47.1 1.9 0.20 4.32 6.55 83 13 5 9 C E COOK INLET. 97 8 14 13 18 13.78 60 57.31N 146 46.21W 8.0 1.1 0.18 1.11 1.33 79 14 6 15 A E PR WILLIAM SOUND. 97 8 14 13 39 16.81 62 7.66N 151 4.84W 78.3 1.5 0.19 6.09 15.61 116 10 4 29 D E CENTRAL AK. 97 8 14 14 4 21.28 61 32.62N 148 0.24W 2.6 1.5 0.25 1.56 2.86 78 15 11 28 B E PR WILLIAM SOUND. 97 8 14 14 24 5.36 54 19.84N 165 57.90W 37.6 1.9 0.10 19.50 8.35 282 11 8 16 D E FOX ISLS. 97 8 14 14 43 30.40 61 32.86N 148 0.32W 2.2 0.8 0.25 2.50 3.70 79 12 9 28 B E PR WILLIAM SOUND. 97 8 14 14 50 38.50 60 20.39N 150 47.72W 41.5 1.5 0.22 4.90 20.41 87 11 5 37 D E KENAI PEN. 97 8 14 16 4 31.70 56 15.63N 159 2.30W 18.2 3.6 0.28 20.38 38.27 161 13 5 137 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 _____________________________________________________________________________________________________________________________________________________ 97 8 14 16 58 40.13 61 57.93N 147 56.63W 32.8 1.0 0.11 6.98 7.46 101 11 5 27 C E PR WILLIAM SOUND. 97 8 14 17 42 7.32 59 11.52N 152 52.01W 70.8 1.8 0.16 5.93 12.61 91 11 5 35 D E COOK INLET. 97 8 14 18 36 47.37 59 52.42N 153 32.28W 131.8 2.1 0.16 4.91 6.66 74 15 5 28 C E COOK INLET. 97 8 14 21 53 31.43 60 6.91N 151 47.84W 70.0 2.1 0.23 3.78 10.44 54 12 6 29 D E KENAI PEN. 97 8 15 2 45 27.64 53 41.35N 162 41.27W 33.4 3.8 0.48 20.12 99.00 235 15 6 145 D E SOUTH OF AK. 97 8 15 2 54 39.22 64 2.40N 148 8.31W 103.0 1.6 0.24 1.53 1.96 124 13 6 48 A E CENTRAL AK. 97 8 15 3 25 51.65 61 51.30N 149 29.92W 37.0 1.5 0.19 0.99 2.04 123 15 8 30 A E COOK INLET. 97 8 15 4 1 46.84 60 26.04N 150 40.27W 48.7 1.3 0.35 2.57 7.81 102 15 10 46 C E KENAI PEN. 97 8 15 5 6 38.13 60 17.67N 152 15.49W 78.4 2.0 0.41 1.29 1.86 62 17 12 32 A E COOK INLET. 97 8 15 5 57 57.69 60 46.70N 151 33.83W 71.3 2.9 0.38 0.94 2.37 64 19 14 18 A E KENAI PEN. 97 8 15 6 5 50.26 59 4.23N 152 37.48W 77.6 0.58 1.16 1.58 114 17 15 53 A E COOK INLET. 97 8 15 6 5 50.30 59 0.99N 152 37.06W 71.6 2.2 0.23 1.30 3.02 110 19 16 47 B E COOK INLET. 97 8 15 11 48 15.05 60 56.62N 146 58.08W 16.9 1.9 0.38 0.54 0.85 55 18 14 10 A E PR WILLIAM SOUND. 97 8 15 12 40 49.33 59 4.44N 152 16.31W 62.7 2.8 0.27 2.08 4.57 135 15 9 52 B E COOK INLET. 97 8 15 14 0 22.21 60 43.23N 151 55.07W 78.8 2.3 0.26 1.86 2.86 69 16 12 28 B E KENAI PEN. 97 8 15 15 15 12.72 61 53.00N 144 2.82W 1.4 2.1 0.31 3.62 4.04 106 19 5 51 B E CAPE YAKATAGA. 97 8 15 15 18 48.63 61 54.50N 150 26.61W 42.4 2.8 0.26 0.90 2.78 91 16 10 41 B E COOK INLET. 97 8 15 15 54 19.20 60 59.28N 146 36.13W 19.8 1.4 0.38 1.14 0.82 66 16 8 7 A E PR WILLIAM SOUND. 97 8 15 16 23 53.14 54 24.10N 161 28.54W 0.0 3.3 0.30 5.57 5.85 209 13 8 81 C E ALASKA PEN. 97 8 15 16 36 57.78 53 33.40N 164 53.47W 3.0 3.1 0.43 3.45 5.47 239 14 6 81 C E UNIMAK IS. 97 8 15 16 37 15.73 60 6.12N 150 55.95W 38.5 2.6 0.22 0.82 1.96 87 16 13 21 A E KENAI PEN. 97 8 15 18 3 32.94 59 20.32N 153 24.58W 0.0 0.3 0.14 13.39 18.21 339 5 3 3 D a COOK INLET. 97 8 15 18 8 37.58 59 4.14N 136 45.44W 10.0G 3.7 0.38 8.10 7.96 130 16 5 177 C E SOUTHEASTERN AK. 97 8 15 18 30 17.65 57 41.49N 142 56.52W 10.0G 3.4 0.31 12.89 26.87 238 17 4 263 D E GULF OF ALASKA. 97 8 15 20 40 18.10 53 24.78N 167 9.70W 105.4 3.4 0.19 30.21 12.20 317 7 9 47 D E FOX ISLS. 97 8 15 20 46 1.58 60 38.86N 152 25.76W 101.8 2.3 0.43 2.33 1.62 120 17 10 8 A E COOK INLET. 97 8 16 0 29 2.07 60 26.99N 152 1.36W 90.7 2.4 0.29 2.74 3.77 44 28 12 25 B E COOK INLET. 97 8 16 0 54 30.61 61 31.48N 151 17.16W 70.4 1.9 0.22 3.58 4.35 92 22 10 30 B E COOK INLET. 97 8 16 3 11 29.56 62 23.95N 148 49.99W 1.2 1.4 0.19 3.96 4.88 58 17 5 70 B E CENTRAL AK. 97 8 16 4 8 25.69 60 59.96N 149 51.40W 16.5 1.3 0.27 3.48 6.11 85 19 3 21 C E KENAI PEN. 97 8 16 5 0 38.52 60 52.57N 147 40.47W 17.9 1.2 0.20 1.18 1.93 57 19 7 32 A E PR WILLIAM SOUND. 97 8 16 5 12 53.61 62 26.54N 150 58.16W 88.8 4.4 0.21 1.31 2.88 77 17 7 36 B E CENTRAL AK. 97 8 16 8 48 36.33 61 17.43N 146 50.86W 14.9 1.2 0.27 1.21 3.88 57 18 5 29 B E PR WILLIAM SOUND. 97 8 16 8 59 59.02 60 33.60N 147 22.92W 18.7 1.8 0.16 0.83 2.20 94 21 10 39 A E PR WILLIAM SOUND. 97 8 16 9 56 41.18 60 0.24N 153 19.93W 109.4 1.9 0.32 9.39 8.77 191 15 5 13 C E COOK INLET. 97 8 16 11 42 16.37 63 26.43N 151 15.05W 11.8 2.3 0.19 4.23 3.40 183 16 4 21 B E CENTRAL AK. 97 8 16 12 15 14.44 60 3.57N 148 4.31W 19.7 2.1 0.15 2.17 2.04 160 17 11 12 A E KENAI PEN. 97 8 16 12 22 12.79 61 23.35N 149 34.54W 38.9 2.8 0.22 0.83 1.46 56 27 9 16 A E COOK INLET. 97 8 16 14 10 55.54 61 27.58N 146 46.21W 36.1 1.4 0.12 1.20 3.89 59 18 4 43 B E PR WILLIAM SOUND. 97 8 16 15 16 45.23 59 25.33N 153 5.74W 80.8 1.6 0.23 5.48 7.35 127 13 6 17 C E COOK INLET. 97 8 16 16 48 15.47 61 4.57N 148 14.60W 8.8 1.0 0.29 1.69 2.09 102 8 5 25 A E PR WILLIAM SOUND. 97 8 16 21 10 29.91 63 10.87N 149 40.76W 97.5 1.9 0.29 1.64 2.92 105 12 8 23 B E CENTRAL AK. 97 8 16 21 10 30.48 63 10.59N 149 40.75W 91.8 1.9 0.34 1.65 3.07 90 15 7 22 B E CENTRAL AK. 97 8 16 21 42 31.39 60 41.51N 148 54.19W 30.0 0.7 0.03 3.78 7.14 170 4 3 20 C E KENAI PEN. 97 8 16 22 25 18.97 60 25.46N 147 10.09W 14.2 1.7 0.27 0.83 4.98 127 16 9 37 B E PR WILLIAM SOUND. 97 8 16 22 48 3.11 56 58.15N 154 19.44W 0.0 3.1 0.43 72.52 67.66 348 8 5 134 D E KODIAK IS REG. 97 8 17 0 26 25.75 59 55.03N 153 12.80W 121.1 2.7 0.16 2.97 3.55 117 17 11 13 B E COOK INLET. 97 8 17 1 6 51.59 61 10.85N 152 13.73W 5.4 1.7 0.17 0.89 1.27 85 14 11 3 A E COOK INLET. 97 8 17 1 20 25.97 61 38.37N 149 50.79W 50.5 2.3 0.39 1.15 1.65 71 16 12 2 A E COOK INLET. 97 8 17 5 31 37.92 53 48.86N 165 23.16W 58.5 4.6 0.29 6.42 4.45 217 14 10 39 C 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 _____________________________________________________________________________________________________________________________________________________ 97 8 17 5 39 4.85 53 53.42N 165 20.31W 68.4 3.3 0.14 8.02 4.77 207 13 10 34 C E FOX ISLS. 97 8 17 5 48 26.85 59 56.33N 151 27.50W 68.2 2.2 0.27 2.45 2.93 70 16 12 33 B E KENAI PEN. 97 8 17 6 8 50.94 53 56.86N 164 49.56W 63.9 2.5 0.20 17.87 15.10 210 11 8 65 D E UNIMAK IS. 97 8 17 6 36 10.33 61 26.53N 146 36.62W 22.1 1.3 0.27 0.76 2.46 122 15 7 37 A E PR WILLIAM SOUND. 97 8 17 8 5 39.53 60 2.16N 153 4.67W 0.0 0.0 0.05 0.53 2.24 126 6 6 3 A a COOK INLET. 97 8 17 8 19 10.28 63 6.39N 150 41.90W 113.6 2.5 0.20 2.22 3.13 145 15 10 44 B E CENTRAL AK. 97 8 17 8 39 20.12 61 4.28N 151 39.57W 63.3 1.5 0.33 3.31 4.54 131 12 5 25 B E COOK INLET. 97 8 17 10 40 3.48 61 24.19N 150 11.58W 52.2 3.6 0.28 0.87 1.80 75 14 9 26 A E COOK INLET. 97 8 17 11 8 40.36 53 49.70N 165 18.24W 65.1 3.2 0.16 7.90 5.99 203 14 10 41 C E FOX ISLS. 97 8 17 11 58 5.00 53 50.41N 165 20.08W 61.1 3.7 0.16 6.95 5.99 200 15 12 38 C E FOX ISLS. 97 8 17 12 1 42.14 60 50.82N 147 13.37W 20.2 1.6 0.40 0.83 1.27 111 14 8 8 A E PR WILLIAM SOUND. 97 8 17 14 18 54.68 60 11.76N 153 15.01W 133.7 2.7 0.23 2.21 3.44 128 16 6 16 B E COOK INLET. 97 8 17 15 31 46.11 61 18.04N 148 28.85W 15.1 1.2 0.52 2.32 2.76 60 12 6 13 B PR WILLIAM SOUND. 97 8 17 16 30 46.16 59 42.19N 152 56.67W 101.3 2.1 0.16 2.42 1.79 105 15 11 17 A E COOK INLET. 97 8 17 16 52 7.29 61 24.45N 146 43.18W 21.3 1.1 0.17 1.01 4.33 111 9 8 37 B E PR WILLIAM SOUND. 97 8 17 17 27 42.01 64 26.60N 147 42.86W 16.3 1.6 0.19 0.88 1.54 89 11 6 18 A E CENTRAL AK. 97 8 17 18 51 10.97 53 24.63N 163 32.12W 0.0 3.7 0.13 36.64 26.82 254 13 6 162 D E UNIMAK IS. 97 8 17 19 48 33.85 58 19.78N 154 43.22W 0.0 2.9 0.72 5.71 6.19 165 15 7 34 C E ALASKA PEN. 97 8 17 21 55 31.23 53 26.14N 163 38.37W 2.1 3.7 0.18 16.31 14.93 230 13 7 155 D E UNIMAK IS.