Issued: July 6, 1998 Prepared by: Lalitha Rao No. 25- 98 The following is a list of significant earthquakes during the time period June 29 -July 5, 1998 June 30 at 08:15 UTC (12:15 am ADT), mb 4.5, 55 N 23', 160 W 40', depth = 64 km (40 mi): A light earthquake was located by NEIC in the Alaska Peninsula region of Alaska about 8 mi ( 13 km) WNW of Sand Point 47 mi ( 76 km) SSE of Nelson Lagoon 69 mi (111 km) ENE of King Cove 70 mi (113 km) WSW of Perryville 82 mi (132 km) E of Cold Bay June 30 at 12:58 UTC (04:58 am ADT), ML 4.1, 60 N 7', 153 W 27', depth = 158 km (98 mi): A light earthquake was located in the Cook Inlet region of Alaska about 30 mi ( 49 km) E of Port Alsworth 32 mi ( 52 km) NE of Pedro Bay 49 mi ( 79 km) ENE of Nondalton 57 mi ( 91 km) ENE of Iliamna 57 mi ( 92 km) ENE of Newhalen June 30 at 15:39 UTC (07:39 am ADT), ML 3.5, 61 N 45', 151 W 39', depth = 90 km (56 mi): A minor earthquake was located in the Cook Inlet region of Alaska about 21 mi ( 34 km) SW of Skwentna 50 mi ( 81 km) NNW of Tyonek 53 mi ( 86 km) W of Willow 64 mi (103 km) SW of Talkeetna 69 mi (111 km) WNW of Anchorage June 30 at 22:28 UTC (02:28 pm ADT), ML 3.8, 58 N 6', 150 W 44', depth = 44 km (28 mi): A minor earthquake was located beneath the Gulf of Alaska about 65 mi (105 km) ENE of Kodiak 66 mi (106 km) ENE of Ouzinkie 80 mi (129 km) ENE of Port Lions 95 mi (153 km) SSE of Port Graham 97 mi (156 km) SSE of English Bay July 1 at 14:20 UTC (06:20 am ADT), ML 4.0, 62 N 58', 151 W 20', depth = 131 km (81 mi): A light earthquake was located in the central region of Alaska about 40 mi ( 64 km) SSW of Kantishna 49 mi ( 79 km) SW of Eielson Visitor Ctr. 60 mi ( 96 km) NW of Talkeetna 70 mi (112 km) SSE of Lake Minchumina 71 mi (114 km) N of Skwentna July 1 at 17:54 UTC (09:54 am ADT), ML 4.6, 60 N 43', 151 W 35', depth = 71 km (44 mi): A light earthquake felt in Anchorage and Palmer, was located in the Kenai Peninsula region of Alaska about 16 mi ( 25 km) NW of Kenai 24 mi ( 39 km) NW of Soldotna 28 mi ( 45 km) NNW of Kasilof 29 mi ( 47 km) SSW of Tyonek 31 mi ( 50 km) WNW of Sterling _____________________________________________________________________________________________________________________________________________________ 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 29 4 2 52.53 58 15.25N 155 8.57W 4.9 0.09 1.29 2.27 166 6 4 3 A E ALASKA PEN. 98 6 29 5 33 38.32 61 46.54N 150 40.83W 45.2 2.2 0.30 1.67 3.50 69 18 12 45 B E COOK INLET. 98 6 29 7 43 42.08 61 52.95N 149 17.39W 9.4 0.8 0.25 2.35 1.56 128 10 5 23 A E COOK INLET. 98 6 29 9 7 36.48 60 52.82N 146 31.99W 19.5 2.0 0.34 0.66 0.83 49 17 14 17 A E PR WILLIAM SOUND. 98 6 29 9 32 28.38 59 23.02N 153 20.58W 0.0 0.1 0.09 8.37 16.54 353 4 4 5 D a COOK INLET. 98 6 29 9 51 12.02 62 56.48N 148 50.46W 11.4 2.1 0.26 0.64 1.05 70 17 11 41 A E CENTRAL AK. 98 6 29 11 7 5.33 60 6.61N 151 39.84W 83.9 0.21 1.72 2.09 155 14 11 22 A KENAI PEN. 98 6 29 16 40 45.07 62 5.53N 149 31.59W 45.4 0.38 2.45 3.66 87 15 7 48 B E CENTRAL AK. 98 6 29 18 26 35.10 62 3.38N 149 12.72W 39.1 0.19 3.35 7.48 132 11 7 35 C E CENTRAL AK. 98 6 29 18 33 34.50 60 7.85N 152 28.47W 91.0 0.29 3.48 2.70 74 18 14 28 B E COOK INLET. 98 6 29 18 36 31.30 61 54.06N 146 49.75W 37.0 1.4 0.30 2.96 3.03 178 14 9 27 B E PR WILLIAM SOUND. 98 6 29 18 43 16.25 63 9.63N 150 36.41W 123.9 0.16 2.19 2.53 98 19 10 36 B E CENTRAL AK. 98 6 29 20 48 19.54 59 20.85N 153 25.24W 0.0 -0.8 0.09 10.32 9.63 338 4 3 1 D a COOK INLET. 98 6 29 22 41 18.90 60 47.98N 151 1.81W 11.2 0.8 0.24 3.63 6.55 164 8 5 55 C E KENAI PEN. 98 6 30 2 4 26.69 58 13.57N 155 11.06W 3.4 0.4 0.08 3.19 3.60 146 6 5 2 B a ALASKA PEN. 98 6 30 2 31 12.70 57 25.18N 156 19.23W 0.0 0.42 30.57 13.10 165 12 4 84 D E ALASKA PEN. 98 6 30 3 4 35.87 63 16.34N 151 0.26W 1.9 1.8 0.17 3.24 6.95 75 14 5 32 C E CENTRAL AK. 98 6 30 3 48 34.23 63 30.76N 151 32.06W 162.8 0.11 57.92 37.06 261 5 1 31 D E CENTRAL AK. 98 6 30 5 0 36.08 63 29.27N 151 12.88W 0.6 1.5 0.15 6.35 15.77 210 7 3 16 D E CENTRAL AK. 98 6 30 6 9 2.61 61 20.89N 146 52.24W 27.9 2.4 0.20 0.99 4.88 68 13 6 36 B E PR WILLIAM SOUND. 98 6 30 7 42 42.25 61 32.07N 146 31.16W 27.7 1.3 0.15 3.10 11.43 60 12 7 32 D E PR WILLIAM SOUND. 98 6 30 8 15 22.61 55 23.28N 160 40.20W 63.8 4.5mb R ALASKA PEN. 98 6 30 9 27 56.49 60 12.51N 153 8.17W 127.8 2.2 0.11 4.96 8.86 90 16 4 17 C E COOK INLET. 98 6 30 11 59 38.61 61 9.21N 150 55.99W 65.2 1.8 0.13 16.31 26.61 280 6 4 49 D E COOK INLET. 98 6 30 12 10 32.75 60 26.91N 152 9.61W 82.7 1.7 0.20 5.65 11.24 64 11 3 30 D E COOK INLET. 98 6 30 12 58 38.92 60 6.96N 153 26.89W 157.8 4.1 0.18 2.47 4.95 85 14 5 18 B E COOK INLET. 98 6 30 13 10 32.64 61 20.36N 150 35.85W 35.4 2.8 0.24 1.61 3.61 77 13 4 16 B E COOK INLET. 98 6 30 13 13 23.88 60 2.10N 152 25.92W 95.4 2.3 0.10 3.70 5.95 64 15 5 30 C E COOK INLET. 98 6 30 15 39 20.25 61 44.89N 151 39.22W 89.8 3.5 0.09 3.75 5.10 71 15 4 27 C E COOK INLET. 98 6 30 16 26 47.41 60 17.25N 147 20.52W 13.1 1.4 0.11 4.73 7.18 151 10 9 40 C E PR WILLIAM SOUND. 98 6 30 17 17 10.64 61 6.99N 150 57.91W 43.5 2.1 0.14 2.16 6.90 55 13 2 8 C E COOK INLET. 98 6 30 17 58 49.48 60 26.90N 145 9.82W 9.9 1.4 0.25 6.64 6.52 66 13 4 28 C E PR WILLIAM SOUND. 98 6 30 18 7 19.82 61 14.03N 152 34.82W 14.7 0.7 0.32 9.80 10.69 236 6 4 11 D E COOK INLET. 98 6 30 18 40 21.57 58 11.33N 155 16.12W 2.8 2.0 0.14 0.73 1.24 85 13 5 4 A a ALASKA PEN. 98 6 30 19 23 47.37 60 46.30N 146 23.70W 23.9 1.3 0.14 2.45 3.03 94 14 6 12 B E PR WILLIAM SOUND. 98 6 30 22 23 15.83 60 17.82N 151 3.61W 54.2 2.0 0.09 4.52 4.98 69 11 4 31 B E KENAI PEN. 98 6 30 22 28 39.26 58 5.93N 150 44.49W 44.4 3.8 0.24 6.33 10.87 192 15 5 111 D E GULF OF ALASKA. 98 7 1 2 5 29.37 63 32.32N 150 56.15W 9.1 2.7 0.25 1.44 1.09 106 16 6 2 A E CENTRAL AK. 98 7 1 2 20 30.90 60 2.65N 153 4.76W 0.0 -0.4 0.04 3.16 27.98 118 6 3 2 D a COOK INLET. 98 7 1 4 40 57.33 59 43.34N 152 18.66W 75.0 2.1 0.28 2.26 3.16 127 15 8 38 B E COOK INLET. 98 7 1 5 9 2.44 64 49.16N 147 29.98W 11.0 1.6 0.20 1.27 3.12 86 10 6 18 B E CENTRAL AK. 98 7 1 6 20 8.85 60 2.62N 153 4.30W 0.0 0.07 2.81 31.30 109 5 4 2 D a COOK INLET. 98 7 1 7 11 54.17 58 46.48N 154 56.51W 135.9 2.9 0.22 5.07 2.74 149 23 12 48 C E ALASKA PEN. 98 7 1 13 58 35.70 62 21.79N 149 12.73W 44.4 2.4 0.34 1.02 4.41 71 21 17 55 B E CENTRAL AK. 98 7 1 14 20 11.02 62 58.39N 151 20.04W 130.7 4.0 0.22 1.92 3.49 72 20 10 68 B E CENTRAL AK. 98 7 1 16 15 34.06 59 31.79N 153 59.40W 128.7 2.7 0.17 2.33 3.26 123 21 12 31 B E COOK INLET. 98 7 1 17 54 23.60 60 42.66N 151 35.30W 71.4 4.6 0.47 0.87 2.37 59 26 7 19 A E KENAI PEN. 98 7 1 19 25 7.87 59 44.59N 152 51.50W 97.1 2.6 0.26 1.18 1.69 60 30 24 23 A E COOK INLET. 98 7 1 21 26 29.66 59 21.47N 153 26.77W 0.0 -0.3 0.07 13.77 60.30 338 4 3 1 D a COOK INLET. 98 7 1 22 52 7.56 60 41.29N 151 33.29W 62.4 2.0 0.32 1.08 2.81 63 17 11 18 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 _____________________________________________________________________________________________________________________________________________________ 98 7 2 1 33 14.44 61 39.97N 148 8.82W 10.2 0.6 0.50 6.43 15.41 98 6 4 19 D E PR WILLIAM SOUND. 98 7 2 2 10 0.80 60 19.34N 147 52.56W 5.3 1.7 0.17 4.30 9.73 92 15 4 31 C E PR WILLIAM SOUND. 98 7 2 4 0 47.98 63 32.63N 150 59.46W 10.1 2.3 0.20 3.57 2.16 107 11 3 4 B E CENTRAL AK. 98 7 2 6 14 30.49 59 58.72N 153 23.02W 157.0 2.2 0.21 11.25 11.20 74 14 3 17 D E COOK INLET. 98 7 2 6 58 19.47 60 0.98N 152 23.95W 84.5 2.7 0.16 1.89 4.70 54 16 4 32 B E COOK INLET. 98 7 2 7 13 50.65 60 21.92N 153 5.85W 142.4 3.1 0.25 3.41 6.99 82 15 3 22 C E COOK INLET. 98 7 2 7 14 55.50 53 45.83N 164 9.90W 45.8 2.3 0.56 26.13 45.08 211 15 4 108 D E UNIMAK IS. 98 7 2 8 31 2.61 53 34.87N 165 52.11W 25.9 0.11 13.77 67.42 235 14 3 57 D E FOX ISLS. 98 7 2 19 9 21.99 60 36.19N 151 4.10W 17.3 0.7 0.16 9.98 10.73 89 8 3 18 D E KENAI PEN. 98 7 3 4 51 26.37 58 36.30N 153 50.77W 84.7 3.1 0.16 1.46 3.86 146 22 11 38 B E KODIAK IS REG. 98 7 3 9 27 30.30 57 57.50N 156 42.76W 2.4 2.3 0.30 2.25 2.71 178 14 9 60 B E ALASKA PEN. 98 7 3 9 34 48.67 63 29.35N 151 1.13W 5.4 1.2 0.16 8.29 9.53 268 4 3 9 C E CENTRAL AK. 98 7 3 12 56 18.37 61 31.29N 146 35.05W 11.9 1.4 0.29 0.93 1.36 94 13 7 36 A E PR WILLIAM SOUND. 98 7 3 15 7 49.56 61 45.62N 149 17.55W 42.7 1.4 0.26 1.29 1.83 119 10 5 21 A E COOK INLET. 98 7 3 15 36 45.43 62 33.73N 151 37.26W 98.3 1.8 0.14 10.14 8.19 241 8 2 72 D E CENTRAL AK. 98 7 3 19 22 12.43 62 12.22N 151 0.64W 64.7 2.9 0.25 1.11 3.12 74 18 6 45 B E CENTRAL AK. 98 7 3 22 29 33.05 59 3.47N 152 52.30W 77.9 2.9 0.11 2.19 4.27 91 17 10 44 B E COOK INLET. 98 7 4 1 18 57.81 60 44.25N 147 24.90W 14.9 1.6 0.32 2.87 2.88 74 13 9 24 B E PR WILLIAM SOUND. 98 7 4 1 48 22.63 60 55.23N 151 18.03W 57.7 2.5 0.14 4.83 3.79 72 13 3 20 B E KENAI PEN. 98 7 4 2 15 47.76 62 37.20N 151 12.97W 83.3 2.6 0.19 6.05 12.69 89 11 6 54 D E CENTRAL AK. 98 7 4 2 16 32.82 61 4.55N 144 22.03W 25.9 1.3 0.45 4.78 87.51 96 7 6 51 D E CAPE YAKATAGA. 98 7 4 3 41 58.82 61 29.99N 146 33.52W 29.1 1.7 0.09 2.86 13.98 91 10 6 34 D E PR WILLIAM SOUND. 98 7 4 7 23 20.64 58 8.23N 155 51.79W 72.1 1.0 0.42 27.41 17.26 237 7 5 14 D E ALASKA PEN. 98 7 4 10 22 1.66 61 17.24N 147 18.50W 30.5 2.1 0.08 0.95 7.68 73 13 6 46 C E PR WILLIAM SOUND. 98 7 4 12 11 30.98 60 56.46N 151 52.32W 95.1 2.9 0.30 2.76 6.80 69 15 3 41 C E KENAI PEN. 98 7 4 12 34 8.75 60 44.08N 147 22.54W 20.1 1.3 0.12 7.00 9.44 108 11 4 22 C E PR WILLIAM SOUND. 98 7 4 12 59 18.51 61 54.60N 151 8.04W 83.8 0.11 7.62 8.68 69 11 3 71 C E COOK INLET. 98 7 4 13 32 53.16 63 51.47N 148 29.19W 104.6 0.30 8.00 10.40 69 11 4 26 D E CENTRAL AK. 98 7 4 14 3 29.47 59 29.79N 153 0.41W 24.3 0.6 0.13 6.06 10.66 73 9 3 21 D E COOK INLET. 98 7 4 15 16 56.21 60 14.14N 140 57.77W 12.6 1.9 0.27 5.03 4.33 125 16 5 21 C E YAKUTAT BAY. 98 7 4 16 49 49.84 63 56.08N 150 27.34W 0.0 1.4 0.17 3.43 98.97 145 7 4 48 D E CENTRAL AK. 98 7 4 21 40 5.90 62 55.17N 150 14.83W 95.8 2.2 0.12 5.14 8.27 154 11 4 32 C E CENTRAL AK. 98 7 4 23 10 2.98 61 48.45N 149 52.15W 38.9 1.6 0.13 6.44 7.12 161 11 3 17 C E COOK INLET. 98 7 5 1 7 25.16 57 41.00N 155 53.84W 2.0 3.0 0.20 3.18 2.95 155 15 6 46 B E ALASKA PEN. 98 7 5 3 13 52.41 62 10.86N 147 29.23W 31.5 1.4 0.33 3.63 3.74 141 13 9 40 B E CENTRAL AK. 98 7 5 3 14 34.23 59 30.20N 152 59.57W 103.0 1.7 0.10 3.84 4.98 86 9 6 21 C E COOK INLET. 98 7 5 7 5 33.54 57 56.51N 156 12.15W 123.8 3.1 0.15 3.95 2.29 151 15 8 39 B E ALASKA PEN. 98 7 5 10 36 51.27 60 25.75N 147 47.12W 11.0 1.6 0.54 1.06 3.70 123 15 12 43 B E PR WILLIAM SOUND. 98 7 5 14 31 17.87 62 36.12N 149 47.26W 18.5 2.1 0.24 1.99 2.02 103 15 12 33 A E CENTRAL AK. 98 7 5 18 9 39.25 61 37.69N 149 54.38W 41.4 2.1 0.29 2.08 2.54 176 15 10 3 B E COOK INLET.