Issued: October 21, 1997 Prepared by: Nan Macgregor-Scott No. 42 - 97 The following is a list of significant earthquakes during the time period October 13 - 19, 1997 October 14 at 05:54 UTC (09:54 pm ADT), mb 4.2, 51 N 28', 174 E 39', depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Near Islands region of Alaska about 82 mi (132 km) SW of Buldir Is 89 mi (143 km) SSE of Shemya Is 118 mi (190 km) SSE of Attu 188 mi (303 km) W of Amchitka 375 mi (604 km) W of Adak October 15 at 03:11 UTC (07:11 pm ADT), MS 6.0, 51 N 20', 177 W 44', depth = 31 km (19 mi): A strong earthquake, felt in Adak, was located by NEIC in the Andreanof Islands region of Alaska about 60 mi ( 97 km) SW of Adak 142 mi (228 km) E of Amchitka 163 mi (263 km) WSW of Atka 256 mi (412 km) WSW of Amukta Pass 280 mi (451 km) ESE of Buldir Is October 15 at 14:27 UTC (06:27 am ADT), ML 3.7, 59 N 48', 153 W 19', depth = 117 km (73 mi): A minor earthquake was located in the Cook Inlet region of Alaska about 28 mi ( 44 km) E of Pedro Bay 44 mi ( 71 km) SE of Port Alsworth 52 mi ( 84 km) W of Anchor Point 54 mi ( 88 km) ESE of Nondalton 55 mi ( 89 km) E of Newhalen October 16 at 21:45 UTC (01:45 pm ADT), mb 4.7, 51 N 11', 177 W 52', depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Andreanof Islands region of Alaska about 71 mi (115 km) SW of Adak 138 mi (222 km) E of Amchitka 173 mi (278 km) WSW of Atka 265 mi (426 km) WSW of Amukta Pass 279 mi (448 km) ESE of Buldir Is October 17 at 00:28 UTC (04:28 pm ADT), ML 3.7, 63 N 4', 150 W 38', depth = 123 km (76 mi): A minor earthquake was located in the central region of Alaska about 33 mi ( 54 km) SSE of Kantishna 54 mi ( 87 km) NNW of Talkeetna 57 mi ( 92 km) WSW of Cantwell 64 mi (102 km) WSW of Denali Park 76 mi (122 km) SW of Healy October 19 at 03:38 UTC (07:38 pm ADT), ML 4.0, 53 N 59', 163 W 59', depth = 45 km (28 mi): A light earthquake was located in the Unimak Island region of Alaska about 65 mi (104 km) SSW of False Pass 74 mi (119 km) E of Akutan 98 mi (157 km) SSW of Cold Bay 101 mi (162 km) SW of King Cove 104 mi (167 km) E of Dutch Harbor October 19 at 07:05 UTC (11:05 pm ADT), mb 4.1, 51 N 57', 178 W 2', depth = 111 km (69 mi): A light earthquake was located by NEIC in the Andreanof Islands region of Alaska about 60 mi ( 96 km) W of Adak 131 mi (210 km) ENE of Amchitka 165 mi (265 km) W of Atka 258 mi (415 km) E of Buldir Is 258 mi (416 km) W of Amukta 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 10 13 0 9 26.47 54 22.84N 162 34.14W 3.4 2.8 0.29 6.24 5.16 198 16 10 83 C E ALASKA PEN. 97 10 13 1 1 28.41 59 42.25N 152 30.69W 78.2 1.9 0.26 1.15 1.57 97 28 13 41 A E COOK INLET. 97 10 13 1 43 50.12 61 15.62N 141 16.31W 0.0 1.5 0.12 3.94 1.76 155 10 4 33 B E CAPE YAKATAGA. 97 10 13 2 30 12.28 62 0.42N 148 17.17W 37.0 1.0 0.20 1.94 2.95 96 13 5 22 B E CENTRAL AK. 97 10 13 3 9 56.76 61 32.79N 147 52.27W 37.1 1.4 0.19 1.35 3.58 82 17 8 35 B E PR WILLIAM SOUND. 97 10 13 4 8 5.84 60 54.08N 151 37.52W 74.1 2.0 0.24 2.46 4.93 72 29 9 27 B E KENAI PEN. 97 10 13 7 47 41.31 61 5.42N 148 36.92W 20.6 1.3 0.26 1.21 5.88 45 18 5 30 C E PR WILLIAM SOUND. 97 10 13 7 48 43.19 61 8.53N 152 17.78W 5.0 0.5 0.16 1.56 1.01 132 13 9 6 A E COOK INLET. 97 10 13 8 9 9.00 61 20.51N 146 49.92W 14.3 2.0 0.20 0.58 1.11 60 21 8 34 A E PR WILLIAM SOUND. 97 10 13 10 12 28.32 63 15.99N 151 5.87W 0.0 2.9 0.32 3.26 3.51 101 18 8 80 B E CENTRAL AK. 97 10 13 10 55 13.73 61 49.06N 148 27.66W 13.5 1.4 0.44 1.61 1.01 129 12 11 7 A E PR WILLIAM SOUND. 97 10 13 11 17 5.26 61 25.07N 146 32.94W 12.9 1.0 0.21 1.06 2.41 56 17 5 34 A E PR WILLIAM SOUND. 97 10 13 16 30 30.37 60 13.57N 152 38.49W 107.6 2.5 0.32 1.03 1.66 61 32 11 24 A E COOK INLET. 97 10 13 17 23 56.03 61 43.21N 150 45.70W 53.7 1.9 0.24 1.66 4.55 133 16 9 29 B E COOK INLET. 97 10 13 19 4 20.49 58 16.63N 156 7.73W 147.6 3.0 0.09 5.41 3.91 172 22 7 14 C E ALASKA PEN. 97 10 13 19 33 36.49 58 59.51N 153 7.70W 76.4 2.6 0.23 4.61 2.40 74 28 7 30 B E KODIAK IS REG. 97 10 13 19 58 19.73 61 58.90N 149 9.18W 3.3 0.9 0.34 1.76 1.68 149 12 4 26 A E COOK INLET. 97 10 13 20 15 41.48 61 33.37N 148 20.55W 31.0 1.7 0.19 1.09 2.24 59 18 6 17 A E PR WILLIAM SOUND. 97 10 13 23 31 44.47 61 43.60N 149 35.26W 35.5 2.0 0.36 1.55 1.74 61 19 7 18 A E COOK INLET. 97 10 14 0 30 4.81 65 13.54N 149 28.72W 2.1 1.8 0.35 1.92 6.17 115 15 8 63 C E N CENTRAL AK. 97 10 14 4 56 18.20 59 56.08N 152 29.36W 84.3 1.7 0.31 1.23 2.67 111 14 11 31 B E COOK INLET. 97 10 14 5 13 29.70 54 34.82N 162 21.32W 59.3 2.8 0.17 4.65 5.04 184 14 10 59 C E ALASKA PEN. 97 10 14 5 16 29.02 60 1.53N 151 47.72W 56.5 1.5 0.25 1.05 3.43 91 18 15 28 B E KENAI PEN. 97 10 14 5 40 43.03 60 25.67N 150 40.23W 24.0 2.4 0.21 0.67 2.38 72 15 8 47 A E KENAI PEN. 97 10 14 5 54 5.43 51 28.14N 174 38.94E 33.0N 4.2mb R NEAR ISLS. 97 10 14 14 18 47.34 59 54.40N 152 55.99W 110.5 2.3 0.16 1.32 2.57 82 24 12 9 B E COOK INLET. 97 10 14 18 34 30.68 60 2.37N 153 5.64W 0.0 -0.2 0.08 0.55 1.95 143 6 3 3 A a COOK INLET. 97 10 14 21 20 9.30 61 8.33N 147 16.86W 14.8 1.4 0.28 0.79 3.31 81 14 9 27 B E PR WILLIAM SOUND. 97 10 15 2 2 35.52 61 40.86N 148 15.23W 34.8 1.1 0.08 1.94 3.44 87 8 5 15 B E PR WILLIAM SOUND. 97 10 15 2 44 50.06 61 46.61N 149 3.92W 31.4 2.5 0.20 0.89 1.47 72 18 11 7 A E COOK INLET. 97 10 15 2 46 12.01 60 6.76N 151 39.55W 54.1 2.3 0.27 1.01 2.36 89 14 10 22 A E KENAI PEN. 97 10 15 3 7 4.90 61 44.76N 149 50.54W 40.5 2.6 0.25 0.82 2.06 106 15 14 11 A E COOK INLET. 97 10 15 3 11 11.00 51 19.80N 177 44.40W 30.9 6.0Ms R ANDREANOF ISLS. 97 10 15 4 29 39.67 61 29.68N 150 44.00W 61.6 1.9 0.24 3.14 5.57 166 15 9 47 C E COOK INLET. 97 10 15 5 17 17.49 63 3.27N 151 1.34W 127.5 3.1 0.10 4.32 5.54 142 18 9 71 C E CENTRAL AK. 97 10 15 6 38 7.86 62 36.84N 149 33.03W 62.5 1.6 0.39 1.51 3.13 116 14 8 41 B E CENTRAL AK. 97 10 15 11 14 24.36 61 38.04N 146 21.86W 33.2 2.5 0.37 0.93 2.41 51 18 14 28 A E PR WILLIAM SOUND. 97 10 15 11 16 55.78 61 39.74N 148 8.90W 15.9 1.1 0.26 0.88 2.61 97 10 6 19 B E PR WILLIAM SOUND. 97 10 15 12 8 46.33 60 53.65N 147 19.90W 4.0 2.1 0.58 0.71 0.99 57 18 13 13 A E PR WILLIAM SOUND. 97 10 15 13 12 51.90 59 46.63N 153 36.01W 148.5 2.4 0.15 2.32 1.70 149 15 5 25 A E COOK INLET. 97 10 15 14 27 49.23 59 48.31N 153 18.95W 117.2 3.7 0.21 3.09 3.16 103 15 13 18 B E COOK INLET. 97 10 15 14 48 32.49 61 51.61N 149 14.96W 8.1 1.3 0.34 0.83 1.16 132 13 7 20 A E COOK INLET. 97 10 15 16 9 42.05 63 42.29N 147 55.82W 78.3 1.9 0.23 2.19 5.93 88 16 7 75 C E CENTRAL AK. 97 10 15 17 7 12.13 63 38.00N 149 36.90W 121.5 2.9 0.29 2.74 3.45 82 16 11 46 B E CENTRAL AK. 97 10 15 17 35 18.52 61 45.27N 150 46.44W 64.7 1.8 0.23 1.56 4.26 77 17 10 32 B E COOK INLET. 97 10 15 20 40 12.09 61 43.53N 149 35.48W 9.7 0.9 0.31 1.53 2.53 106 12 8 17 B E COOK INLET. 97 10 16 3 48 48.61 61 27.37N 150 2.02W 39.0 1.6 0.37 1.02 1.45 50 16 12 23 A E COOK INLET. 97 10 16 4 23 44.48 62 22.87N 148 35.32W 14.6 2.4 0.25 0.79 2.45 49 16 14 65 A E CENTRAL AK. 97 10 16 6 18 31.92 62 16.91N 148 4.94W 0.0 1.4 0.37 1.43 1.40 145 13 5 54 A E CENTRAL AK. 97 10 16 11 19 30.74 61 29.95N 150 15.54W 40.0 1.6 0.36 1.92 4.71 98 15 11 26 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 _____________________________________________________________________________________________________________________________________________________ 97 10 16 12 6 7.06 61 47.76N 149 29.01W 39.2 2.1 0.22 0.91 1.83 90 17 13 26 A E COOK INLET. 97 10 16 14 27 22.52 62 34.82N 151 11.93W 89.6 1.9 0.28 3.36 3.92 139 16 9 52 B E CENTRAL AK. 97 10 16 14 31 35.31 62 37.49N 149 23.26W 68.4 2.3 0.30 2.14 4.86 100 16 14 41 B E CENTRAL AK. 97 10 16 17 15 25.58 62 35.38N 151 5.41W 82.5 2.2 0.26 1.71 2.95 77 17 8 47 B E CENTRAL AK. 97 10 16 21 12 27.68 63 31.97N 150 45.38W 13.2 2.8 0.41 3.12 2.71 102 16 8 84 B E CENTRAL AK. 97 10 16 21 45 22.45 51 10.50N 177 51.90W 33.0N 4.7mb R ANDREANOF ISLS. MS 4.1 (NEIS). 97 10 16 23 3 18.87 60 2.01N 153 8.46W 124.7 2.6 0.25 1.83 1.54 96 16 10 3 A E COOK INLET. 97 10 17 0 28 2.53 63 3.86N 150 37.85W 122.5 3.7 0.19 1.72 3.46 67 17 8 51 B E CENTRAL AK. 97 10 17 1 43 15.53 61 30.89N 150 15.16W 34.0 1.5 0.31 1.22 4.06 96 15 11 25 B E COOK INLET. 97 10 17 4 47 2.06 62 18.33N 149 59.29W 14.2 1.0 0.12 54.74 82.64 175 4 3 18 D E CENTRAL AK. 97 10 17 10 9 5.68 60 53.09N 147 33.85W 20.6 1.3 0.27 0.73 2.41 57 18 11 26 A E PR WILLIAM SOUND. 97 10 17 10 32 12.91 62 48.33N 149 16.79W 70.7 2.7 0.26 1.10 1.27 60 18 11 26 A E CENTRAL AK. 97 10 17 10 37 49.39 64 53.02N 147 37.76W 19.1 0.7 1.23 4.97 4.86 103 6 5 11 B E CENTRAL AK. 97 10 17 10 37 30.93 60 34.06N 147 14.65W 14.2 1.8 0.24 0.67 1.59 95 18 11 36 A E PR WILLIAM SOUND. 97 10 17 10 47 51.69 63 20.23N 145 18.57W 4.2 1.9 0.21 1.19 2.26 85 16 11 24 A E E CENTRAL AK. 97 10 17 11 9 42.84 63 11.73N 150 52.42W 17.0 2.5 0.24 4.16 4.15 123 20 9 67 B E CENTRAL AK. 97 10 17 12 17 39.96 61 12.20N 151 6.04W 55.4 1.8 0.21 1.60 3.51 86 22 8 50 B E COOK INLET. 97 10 17 16 47 2.76 60 59.14N 146 45.79W 27.3 1.2 0.28 2.40 1.42 62 15 7 12 A E PR WILLIAM SOUND. 97 10 17 20 21 13.08 61 39.41N 150 54.53W 68.6 2.0 0.24 3.40 3.84 134 14 11 55 B E COOK INLET. 97 10 18 2 55 5.98 62 26.43N 148 8.83W 13.6 1.9 0.13 1.23 3.63 47 16 8 71 B E CENTRAL AK. 97 10 18 3 1 3.91 63 50.48N 148 30.59W 104.3 2.4 0.11 2.92 7.38 98 9 1 51 C E CENTRAL AK. 97 10 18 3 1 4.03 63 50.64N 148 29.61W 102.3 2.4 0.13 1.81 4.63 97 17 7 52 B E CENTRAL AK. 97 10 18 6 7 15.19 60 9.19N 152 45.73W 95.9 1.8 0.32 1.68 2.58 105 20 13 14 B E COOK INLET. 97 10 18 9 4 50.88 61 30.39N 148 40.18W 37.4 2.3 0.29 0.80 1.03 52 18 12 15 A E PR WILLIAM SOUND. 97 10 18 10 16 32.28 61 40.18N 147 1.52W 31.9 1.5 0.32 0.85 1.55 79 15 6 24 A E PR WILLIAM SOUND. 97 10 18 11 24 50.13 59 51.42N 151 58.32W 64.7 2.4 0.26 1.25 3.86 76 20 17 29 B KENAI PEN. 97 10 18 11 33 26.95 59 58.79N 153 26.89W 134.0 2.6 0.26 2.14 3.44 74 19 8 20 B E COOK INLET. 97 10 18 12 3 51.02 60 12.36N 151 8.77W 62.8 1.9 0.21 1.04 3.80 77 19 14 20 B E KENAI PEN. 97 10 18 15 7 18.08 59 3.05N 152 25.96W 61.8 2.6 0.22 0.95 3.82 125 21 12 49 B E COOK INLET. 97 10 18 15 26 23.41 60 2.23N 153 3.98W 0.0 0.4 0.05 0.51 2.68 109 6 7 3 B a COOK INLET. 97 10 18 16 16 34.34 61 57.78N 149 54.20W 59.7 1.3 0.20 5.60 5.79 161 8 3 35 C E COOK INLET. 97 10 18 20 38 43.07 60 26.85N 142 10.98W 6.6 1.8 0.39 0.68 1.00 95 15 9 26 A E CAPE YAKATAGA. 97 10 18 22 10 58.91 61 37.46N 150 18.16W 43.3 2.7 0.26 1.13 3.30 77 15 11 23 B E COOK INLET. 97 10 19 3 38 54.46 53 58.69N 163 58.86W 44.5 4.0 0.15 9.83 18.26 219 16 13 82 D E UNIMAK IS. 97 10 19 5 24 31.14 61 34.99N 147 9.09W 30.5 1.4 0.32 2.07 4.37 56 18 4 29 B E PR WILLIAM SOUND. 97 10 19 7 5 29.67 51 57.48N 178 2.34W 110.7* 4.1mb R ANDREANOF ISLS. 97 10 19 13 30 31.11 61 39.71N 149 32.43W 28.5 1.8 0.11 3.93 7.18 72 9 8 18 C COOK INLET. 97 10 19 21 21 46.15 60 58.68N 147 19.70W 28.5 1.9 0.28 1.21 1.53 65 20 8 17 A E PR WILLIAM SOUND. 97 10 19 23 52 42.45 60 35.82N 152 3.90W 78.0 2.1 0.22 1.75 1.59 78 29 10 19 A E COOK INLET.