Issued: June15, 1998 Prepared by: Lalitha Rao No. 23- 98 The following is a list of significant earthquakes during the time period June 15 - 21, 1998 June 15 at 14:02 UTC (06:02 am ADT), ML 3.3, 54 N 38', 160 W 46', depth = 15 km (9 mi): A minor earthquake was located in the Alaska Peninsula region of Alaska about 50 mi ( 80 km) SSW of Sand Point 68 mi (110 km) ESE of King Cove 87 mi (140 km) ESE of Cold Bay 96 mi (155 km) S of Nelson Lagoon 107 mi (173 km) E of False Pass June 15 at 16:59 UTC (08:59 am ADT), ML 2.8, 63 N 31', 151 W 1', depth = 10 km (6 mi): A minor earthquake felt at the Eielson visitor Center in Denali National Park, was located in the central region of Alaska about 2 mi ( 4 km) WSW of Kantishna 28 mi ( 45 km) WNW of Eielson Visitor Ctr. 47 mi ( 76 km) ESE of Lake Minchumina 65 mi (104 km) W of Cantwell 66 mi (106 km) W of Denali Park entrance June 18 at 00:23 UTC (04:23 pm ADT), ML 3.3, 61 N 22', 150 W 39', depth = 49 km (31 mi): A minor earthquake was located in the Cook Inlet region of Alaska about 27 mi ( 43 km) NE of Tyonek 27 mi ( 44 km) WNW of Anchorage 30 mi ( 48 km) WNW of Elmendorf AFB 33 mi ( 53 km) SW of Willow 33 mi ( 53 km) WNW of Fort Richardson June 18 at 05:04 UTC (09:04 pm ADT), ML 3.0, 53 N 30', 165 W 19', depth fixed at 33 km (21 mi): A minor earthquake was located in the Fox Islands region of Alaska about 48 mi ( 77 km) SSE of Akutan 56 mi ( 90 km) ESE of Unalaska 56 mi ( 91 km) ESE of Dutch Harbor 122 mi (196 km) SW of False Pass 153 mi (245 km) ENE of Nikolski June 20 at 00:15 UTC (04:15 pm ADT), ML 3.4, 63 N 33', 150 W 59', depth = 10 km (6 mi): A minor earthquake was located in the central region of Alaska about 2 mi ( 3 km) NW of Kantishna 28 mi ( 44 km) WNW of Eielson Visitor Ctr. 47 mi ( 75 km) ESE of Lake Minchumina 64 mi (103 km) W of Cantwell 65 mi (104 km) W of Denali Park entrance June 20 at 06:34 UTC (10:34 pm ADT), ML 3.0, 63 N 24', 151 W 5', depth = 9 km (6 mi): A minor earthquake was located in the central region of Alaska about 10 mi ( 16 km) SSW of Kantishna 29 mi ( 47 km) W of Eielson Visitor Ctr. 50 mi ( 81 km) SE of Lake Minchumina 66 mi (107 km) W of Cantwell 69 mi (110 km) W of Denali Park entrance _____________________________________________________________________________________________________________________________________________________ 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 6 15 3 2 3.19 61 59.87N 150 15.17W 44.8 2.0 0.29 0.96 2.87 82 16 9 43 B E COOK INLET. 98 6 15 3 50 52.58 64 7.71N 148 13.08W 115.9 2.8 0.28 1.36 2.51 51 19 11 56 B E CENTRAL AK. 98 6 15 4 2 28.74 60 25.86N 143 0.11W 0.0 1.8 0.42 0.61 1.67 73 14 8 9 A E CAPE YAKATAGA. 98 6 15 5 6 3.39 61 32.50N 149 55.67W 36.5 1.9 0.30 1.49 2.22 63 16 13 12 A E COOK INLET. 98 6 15 6 34 37.89 61 53.63N 150 59.45W 64.9 2.9 0.21 0.96 1.71 72 20 12 65 A E COOK INLET. 98 6 15 8 32 33.20 58 26.47N 155 13.42W 125.0 2.5 0.17 3.47 3.86 97 14 8 8 B E ALASKA PEN. 98 6 15 9 23 25.73 65 25.02N 149 57.74W 13.3 1.7 0.34 6.94 6.87 113 12 7 56 C E N CENTRAL AK. 98 6 15 11 27 32.76 59 22.13N 153 25.44W 0.0 0.2 0.04 1.57 5.54 314 4 4 1 C a COOK INLET. 98 6 15 12 8 7.32 63 0.23N 151 9.03W 114.7 1.5 0.19 8.80 9.32 113 11 6 62 C E CENTRAL AK. 98 6 15 14 2 27.31 54 38.16N 160 45.57W 15.0 3.3 0.35 3.94 9.48 231 13 9 80 C E ALASKA PEN. 98 6 15 15 14 35.22 58 11.49N 155 19.73W 4.0 0.3 0.16 2.60 2.80 190 7 4 2 B a ALASKA PEN. 98 6 15 15 19 14.05 60 22.26N 151 52.19W 77.1 1.8 0.26 1.80 4.09 66 15 10 48 B E KENAI PEN. 98 6 15 15 59 54.95 59 41.64N 152 14.90W 20.0 1.0 0.50 2.80 5.45 158 11 5 55 C E COOK INLET. 98 6 15 16 59 20.73 63 30.73N 151 1.26W 9.8 2.8 0.23 3.21 2.15 107 19 6 7 B E CENTRAL AK. 98 6 15 21 58 48.98 61 45.07N 149 33.58W 10.0 1.4 0.27 1.57 2.60 111 8 8 20 B E COOK INLET. 98 6 16 0 5 13.43 62 9.57N 146 24.85W 41.1 1.6 0.18 2.85 11.00 82 13 8 14 D E CENTRAL AK. 98 6 16 0 7 29.48 59 21.43N 153 27.62W 0.0 -0.2 0.12 8.26 17.95 331 5 4 1 D a COOK INLET. 98 6 16 2 0 59.38 62 14.00N 149 17.77W 39.8 1.8 0.13 3.73 11.72 67 15 6 54 D E CENTRAL AK. 98 6 16 2 2 39.62 60 0.99N 153 26.78W 141.1 2.4 0.10 7.79 8.45 81 15 5 18 C E COOK INLET. 98 6 16 2 6 10.01 60 24.14N 140 45.11W 0.0 1.1 0.44 10.87 7.38 179 8 4 43 D E YAKUTAT BAY. 98 6 16 2 11 8.10 53 13.86N 165 56.10W 0.0 1.7 0.47 42.65 44.30 314 8 3 88 D E FOX ISLS. 98 6 16 2 36 19.76 60 22.82N 151 6.07W 38.1 2.2 0.12 3.13 7.74 62 15 5 39 C E KENAI PEN. 98 6 16 2 51 45.89 60 9.75N 151 25.91W 42.3 2.1 0.13 2.73 3.58 53 15 3 15 B E KENAI PEN. 98 6 16 3 48 21.29 53 26.89N 165 43.58W 19.0 2.7 0.15 9.24 20.44 246 13 11 74 D E FOX ISLS. 98 6 16 4 57 55.40 59 21.41N 152 39.90W 70.8 1.4 0.15 8.63 13.63 91 10 4 40 D E COOK INLET. 98 6 16 5 48 45.11 61 46.29N 149 2.56W 13.0 0.7 0.05 7.45 3.16 190 7 3 6 C E COOK INLET. 98 6 16 8 12 33.70 57 41.12N 155 49.83W 1.4 2.9 0.16 3.92 3.55 153 15 6 44 B E ALASKA PEN. 98 6 16 10 53 40.02 62 18.89N 149 26.01W 56.6 2.7 0.19 1.81 4.55 65 12 4 44 B E CENTRAL AK. 98 6 16 13 39 49.63 62 28.67N 151 15.67W 80.6 2.0 0.16 6.77 7.81 61 13 6 52 C E CENTRAL AK. 98 6 16 14 11 3.13 61 36.38N 148 21.85W 10.4 0.9 0.10 2.01 8.76 111 7 5 22 C E PR WILLIAM SOUND. 98 6 16 15 10 8.47 62 38.66N 152 5.50W 11.9 2.2 0.30 5.08 4.51 68 19 4 98 C E CENTRAL AK. 98 6 16 18 12 1.64 62 39.32N 149 41.81W 65.5 1.7 0.11 3.32 4.49 64 14 3 36 B E CENTRAL AK. 98 6 16 19 4 43.31 61 57.93N 150 5.20W 2.5 1.7 0.21 2.38 6.16 56 19 3 37 C E COOK INLET. 98 6 16 22 25 56.35 61 21.10N 146 38.25W 21.5 1.4 0.09 2.39 10.33 73 12 4 29 D E PR WILLIAM SOUND. 98 6 16 23 16 29.20 54 49.34N 162 7.79W 103.2 2.3 0.36 22.83 10.72 240 11 5 18 D E ALASKA PEN. 98 6 17 0 2 55.00 59 22.35N 153 28.26W 0.0 -0.3 0.34 28.53 25.93 305 4 2 2 D a COOK INLET. 98 6 17 3 7 5.86 61 35.30N 146 21.68W 39.2 1.8 0.36 1.00 1.97 78 14 12 26 A E PR WILLIAM SOUND. 98 6 17 5 15 30.92 65 12.66N 148 33.33W 17.3 2.1 0.16 5.40 3.74 239 5 3 50 C E N CENTRAL AK. 98 6 17 5 53 22.42 60 26.23N 143 0.05W 5.4 2.4 0.53 1.39 0.88 72 16 7 8 A E CAPE YAKATAGA. 98 6 17 6 46 48.56 59 35.77N 152 34.50W 75.4 2.1 0.25 1.74 3.20 83 21 18 37 B E COOK INLET. 98 6 17 6 52 58.69 61 26.18N 146 40.00W 13.5 0.9 0.13 4.57 5.42 240 5 4 38 C E PR WILLIAM SOUND. 98 6 17 7 40 58.54 62 11.65N 151 12.76W 73.9 2.1 0.20 1.63 3.43 86 16 9 54 B E CENTRAL AK. 98 6 17 8 15 16.58 61 49.64N 149 3.40W 15.1 1.6 0.36 1.06 3.16 65 16 10 9 B E COOK INLET. 98 6 17 10 37 15.61 61 15.66N 149 57.80W 41.8 2.4 0.23 1.16 2.56 92 16 9 22 B E COOK INLET. 98 6 17 10 45 30.08 58 10.19N 155 20.06W 0.3 0.3 0.05 1.51 4.96 194 6 4 5 B a ALASKA PEN. 98 6 17 12 4 36.53 60 8.45N 152 46.14W 113.7 2.3 0.26 1.71 1.69 103 16 11 13 A E COOK INLET. 98 6 17 14 19 1.47 63 3.07N 150 49.84W 124.5 2.6 0.12 2.87 3.86 107 17 11 52 B E CENTRAL AK. 98 6 17 23 2 52.86 60 32.09N 152 45.71W 3.9 -0.1 0.05 1.77 2.08 142 4 5 2 A a COOK INLET. 98 6 17 23 58 50.97 62 52.53N 150 33.53W 91.3 2.6 0.20 1.31 1.96 73 18 10 48 A E CENTRAL AK. 98 6 18 0 23 3.05 61 22.23N 150 39.01W 49.1 3.3 0.14 3.96 9.40 66 18 3 52 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 6 18 2 19 8.99 63 28.32N 151 14.86W 6.8 2.6 0.24 4.08 4.22 110 19 3 19 B E CENTRAL AK. 98 6 18 2 43 47.23 60 34.69N 149 1.32W 13.2 0.26 4.23 3.93 72 16 3 21 B E KENAI PEN. 98 6 18 2 43 50.36 60 38.37N 149 3.85W 0.0 0.53 3.34 4.96 65 15 5 23 B E KENAI PEN. 98 6 18 5 4 46.15 53 29.96N 165 19.18W 33.1 3.0 0.10 7.54 68.01 251 13 5 72 D E FOX ISLS. 98 6 18 5 6 52.93 65 33.86N 152 20.53W 40.3 1.9 0.38 29.15 99.00 121 9 5 80 D E N CENTRAL AK. 98 6 18 5 6 48.78 64 10.25N 151 34.53W 40.2 1.5 0.33 11.42 99.00 181 6 3 76 D E CENTRAL AK. 98 6 18 5 7 17.44 54 28.11N 161 37.10W 0.0 1.6 0.43 12.99 12.53 324 7 3 69 D E ALASKA PEN. 98 6 18 5 14 11.68 61 0.21N 146 24.35W 7.6 2.0 0.15 2.75 1.67 59 15 6 12 B E PR WILLIAM SOUND. 98 6 18 6 52 2.26 59 21.15N 153 23.83W 0.1 -0.2 0.18 5.62 13.85 263 7 5 2 D a COOK INLET. 98 6 18 7 54 15.95 60 15.91N 151 56.49W 71.5 2.5 0.31 2.93 6.53 50 29 8 44 C E KENAI PEN. 98 6 18 8 53 27.68 60 37.08N 151 10.21W 47.9 1.9 0.11 2.07 3.01 66 15 5 14 B E KENAI PEN. 98 6 18 9 24 0.49 62 30.10N 148 46.66W 20.6 1.1 0.17 6.57 29.74 116 9 2 69 D E CENTRAL AK. 98 6 18 10 33 26.61 59 14.43N 153 36.31W 110.0 2.1 0.14 3.45 6.23 70 13 9 15 C E COOK INLET. 98 6 18 17 20 46.84 60 2.24N 153 4.47W 0.0 0.4 0.03 1.40 3.82 188 4 5 3 B a COOK INLET. 98 6 18 19 10 30.84 60 30.71N 151 17.56W 58.3 1.8 0.36 5.62 23.15 72 9 4 77 D E KENAI PEN. 98 6 18 19 26 52.73 60 2.19N 153 4.23W 0.0 0.3 0.03 4.08 24.47 179 4 5 3 D a COOK INLET. 98 6 18 22 49 59.59 63 33.61N 151 0.48W 8.6 1.7 0.12 6.83 3.49 201 9 5 4 C E CENTRAL AK. 98 6 18 23 22 57.18 65 9.61N 149 58.96W 20.5 1.8 0.51 33.46 38.75 155 8 6 38 D E N CENTRAL AK. 98 6 19 1 38 45.67 61 25.64N 147 36.27W 30.9 2.0 0.13 0.83 5.00 67 14 10 45 C E PR WILLIAM SOUND. 98 6 19 6 30 40.65 62 17.73N 149 20.26W 50.2 1.9 0.12 3.29 4.43 171 8 4 50 B E CENTRAL AK. 98 6 19 6 51 23.80 59 50.04N 153 0.28W 101.4 1.2 0.20 1.76 2.23 132 15 9 14 A E COOK INLET. 98 6 19 8 15 29.01 61 43.64N 150 26.29W 0.0 0.24 3.15 2.62 170 13 6 34 B E COOK INLET. 98 6 19 9 4 45.22 59 49.12N 152 56.47W 96.0 1.8 0.17 2.77 2.49 114 15 10 17 B E COOK INLET. 98 6 19 9 15 37.29 60 32.40N 153 10.90W 10.3 2.0 0.17 0.83 1.31 93 19 15 14 A E COOK INLET. 98 6 19 12 58 53.63 64 19.64N 150 41.19W 25.0 1.3 0.30 3.93 98.98 170 8 4 62 D E CENTRAL AK. 98 6 19 13 17 23.44 63 15.91N 151 5.26W 2.9 1.6 0.16 1.70 5.83 182 16 4 33 C E CENTRAL AK. 98 6 19 15 6 50.42 62 18.10N 150 9.06W 58.1 2.2 0.29 1.25 2.52 88 16 15 13 B E CENTRAL AK. 98 6 19 18 44 22.79 59 58.97N 152 25.95W 91.7 2.5 0.14 1.28 2.86 68 21 16 31 B E COOK INLET. 98 6 19 21 43 8.16 58 11.12N 155 17.22W 0.0 0.7 0.04 2.92 38.02 138 6 3 4 D a ALASKA PEN. 98 6 19 22 48 4.84 63 31.75N 150 47.60W 12.6 2.0 0.20 4.12 2.35 109 10 5 7 B E CENTRAL AK. 98 6 20 0 15 51.16 63 32.59N 150 59.31W 9.9 3.4 0.21 2.22 1.41 140 16 5 4 A E CENTRAL AK. 98 6 20 3 21 32.45 63 10.94N 149 46.85W 91.3 2.0 0.22 1.39 1.85 110 10 6 24 A E CENTRAL AK. 98 6 20 4 22 35.61 59 55.85N 140 12.76W 2.6 0.8 0.15 20.99 52.81 230 3 3 19 D E YAKUTAT BAY. 98 6 20 6 34 53.81 63 23.66N 151 4.99W 9.0 3.0 0.36 1.01 1.18 124 15 7 19 A E CENTRAL AK. 98 6 20 6 43 46.06 63 30.84N 151 7.40W 21.8 0.12 7.68 3.79 179 6 4 11 C E CENTRAL AK. 98 6 20 7 8 6.11 63 43.01N 150 54.60W 0.8 1.4 0.13 3.35 8.46 181 7 2 18 C E CENTRAL AK. 98 6 20 7 36 40.85 62 14.82N 150 54.26W 3.4 2.4 0.35 5.39 5.47 152 15 6 37 C E CENTRAL AK. 98 6 20 9 43 11.56 60 3.22N 152 40.15W 91.4 1.8 0.26 2.56 3.68 109 9 8 22 B E COOK INLET. 98 6 20 11 32 23.42 59 5.53N 152 37.65W 68.3 2.9 0.20 1.28 2.98 108 15 12 53 B E COOK INLET. 98 6 20 15 34 4.14 59 39.20N 152 46.76W 91.3 2.2 0.25 1.89 3.38 60 21 12 25 B E COOK INLET. 98 6 20 17 37 36.85 61 12.70N 151 17.56W 79.1 0.51 2.47 5.30 66 14 7 15 C E COOK INLET. 98 6 20 19 57 52.37 58 0.09N 156 51.93W 13.0 2.3 0.26 5.50 6.58 202 9 7 65 C E ALASKA PEN. 98 6 20 20 18 11.59 61 18.33N 146 47.70W 34.5 2.4 0.24 1.15 3.57 47 15 9 30 B E PR WILLIAM SOUND. 98 6 21 7 19 36.94 63 12.50N 150 40.14W 131.4 0.21 2.07 1.64 144 15 9 33 A E CENTRAL AK. 98 6 21 8 26 9.33 62 10.81N 149 20.17W 47.0 1.9 0.27 1.64 3.96 65 15 11 50 B E CENTRAL AK. 98 6 21 11 32 41.44 60 23.00N 146 59.93W 5.4 0.36 1.21 1.51 138 14 8 44 A E PR WILLIAM SOUND. 98 6 21 13 46 16.02 59 43.31N 152 14.80W 66.6 2.0 0.26 1.08 2.18 65 21 16 35 A E COOK INLET. 98 6 21 14 8 52.44 59 49.80N 150 37.56W 48.6 1.9 0.26 1.40 2.36 161 16 13 17 A E KENAI PEN. 98 6 21 18 4 42.30 60 8.36N 149 36.87W 0.0 1.6 0.61 1.22 3.05 120 21 9 10 B E KENAI PEN. 98 6 21 19 49 55.94 64 32.14N 147 7.93W 0.0 1.2 0.12 3.58 98.98 161 4 3 17 D E CENTRAL AK. _____________________________________________________________________________________________________________________________________________________ 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 6 21 22 51 31.95 61 28.77N 149 52.05W 35.4 2.5 0.26 1.06 1.89 68 17 9 19 A E COOK INLET.