ssued: July 14, 1998 Prepared by: Lalitha Rao No. 27 - 98 The following is a list of significant earthquakes during the time period July 13 - 19, 1998 July 13 at 09:18 UTC (01:18 am ADT), ML 3.4, 60 N 4', 152 W 38', depth = 95 km (59 mi): A minor earthquake was located in the Cook Inlet region of Alaska about 34 mi ( 54 km) W of Ninilchik 35 mi ( 56 km) NW of Anchor Point 44 mi ( 71 km) WSW of Clam Gulch 49 mi ( 78 km) NW of Homer 51 mi ( 81 km) WSW of Kasilof July 14 at 10:03 UTC (02:03 am ADT), ML 3.2, 65 N 7', 148 W 38', depth = 18 km (11 mi): A minor earthquake , felt in Goldstream Valley, was located in the north-central region of Alaska about 17 mi ( 28 km) SW of Pump Station #7 21 mi ( 33 km) E of Minto 26 mi ( 43 km) NW of Ester 28 mi ( 46 km) S of Livengood 32 mi ( 51 km) WNW of Fox July 15 at 16:37 UTC (08:37 am ADT), ML 4.2, 59 N 18', 152 W 26', depth = 69 km (43 mi): A light earthquake was located in the Cook Inlet region of Alaska about 19 mi ( 30 km) W of English Bay 22 mi ( 35 km) W of Port Graham 28 mi ( 44 km) WSW of Seldovia 39 mi ( 63 km) SW of Anchor Point 39 mi ( 63 km) SW of Homer July 16 at 10:39 UTC (02:39 am ADT), mb 4.3, 52 N 47', 174 W 25', depth = 207 km (128 mi): A light earthquake was located by NEIC in the Andreanof Islands region of Alaska about 42 mi ( 68 km) NNW of Atka 106 mi (171 km) WNW of Amukta Pass 114 mi (183 km) NE of Adak 233 mi (374 km) W of Nikolski 293 mi (472 km) ENE of Amchitka July 16 at 21:58 UTC (01:58 pm ADT), mb 4.5, 52 N 57', 163 W 34', depth fixed at 33 km (21 mi): A light earthquake was located by NEIC south of Alaska about 123 mi (198 km) SE of Akutan 132 mi (213 km) S of False Pass 139 mi (223 km) ESE of Unalaska 139 mi (223 km) ESE of Dutch Harbor 155 mi (250 km) SSW of King Cove July 17 at 05:25 UTC (July 16, 09:25 pm ADT), ML 3.3, 63 N 12', 150 W 42', depth = 129 km (80 mi): A minor earthquake was located in the central region of Alaska about 23 mi ( 38 km) SSE of Kantishna 24 mi ( 38 km) SW of Eielson Visitor Ctr. 56 mi ( 91 km) WSW of Cantwell 61 mi ( 98 km) WSW of Denali Park entrance 64 mi (103 km) NNW of Talkeetna July 17 at 10:29 UTC (02:29 am ADT), ML 3.4, 61 N 42', 146 W 40', depth = 27 km (16 mi): A minor earthquake was located in the Prince William Sound region of Alaska about 41 mi ( 66 km) NNW of Valdez 47 mi ( 76 km) SW of Glennallen 48 mi ( 77 km) SW of Pump Station #11 48 mi ( 78 km) NW of Thompson Pass 48 mi ( 78 km) WSW of Copper Center July 18 at 16:03 UTC (08:03 am ADT), mb 4.5, 51 N 56', 178 E 50', depth = 133 km (83 mi): A light earthquake was located by NEIC in the Rat Islands region of Alaska about 29 mi ( 46 km) NNW of Amchitka 127 mi (205 km) ESE of Buldir Is 193 mi (310 km) W of Adak 207 mi (334 km) ESE of Shemya Is 247 mi (398 km) ESE of Attu _____________________________________________________________________________________________________________________________________________________ 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 13 4 0 51.28 63 10.48N 149 42.62W 91.7 1.9 0.22 2.31 2.78 107 17 5 22 B E CENTRAL AK. 98 7 13 4 6 20.73 64 13.10N 150 1.65W 20.3 2.0 0.42 2.97 2.79 129 11 8 28 B E CENTRAL AK. 98 7 13 6 43 26.36 62 53.44N 149 56.83W 79.2 2.4 0.19 1.54 3.00 88 16 11 19 B E CENTRAL AK. 98 7 13 7 50 38.89 61 46.88N 149 47.54W 3.5 1.7 0.42 2.50 2.99 111 13 7 61 B E COOK INLET. 98 7 13 9 18 34.65 60 4.22N 152 38.12W 95.2 3.4 0.25 0.98 1.72 70 31 18 18 A E COOK INLET. 98 7 13 13 6 28.78 60 8.43N 152 49.73W 109.4 2.1 0.35 3.60 3.39 123 18 13 10 B E COOK INLET. 98 7 13 19 0 30.07 60 13.88N 140 55.84W 8.6 2.1 0.37 1.65 3.24 136 14 9 40 B E YAKUTAT BAY. 98 7 13 20 29 59.42 61 25.90N 149 33.81W 30.6 2.9 0.29 1.26 2.07 66 18 10 21 A E COOK INLET. 98 7 13 23 3 18.80 58 10.27N 142 51.01W 10.0G 2.3 0.18 30.15 47.09 260 15 3 215 D E GULF OF ALASKA. 98 7 14 3 47 23.38 60 9.63N 147 49.79W 11.4 0.9 0.15 26.72 29.74 116 9 2 13 D E PR WILLIAM SOUND. 98 7 14 4 10 10.28 60 58.05N 146 51.62W 15.9 0.3 0.12 6.98 15.10 183 4 4 16 D E PR WILLIAM SOUND. 98 7 14 4 8 44.25 58 29.82N 153 56.38W 3.2 1.6 0.35 43.25 44.88 255 8 2 71 D E KODIAK IS REG. 98 7 14 9 22 37.40 59 28.45N 152 32.58W 74.1 1.0 0.27 8.83 16.79 83 9 3 44 D E COOK INLET. 98 7 14 10 3 38.08 65 6.81N 148 38.37W 18.4 3.2 0.16 3.70 1.09 108 14 4 45 B E N CENTRAL AK. 98 7 14 10 59 57.99 62 47.95N 150 30.06W 99.2 2.8 0.14 3.57 4.52 71 20 7 46 B E CENTRAL AK. 98 7 14 11 42 33.68 61 35.41N 142 3.63W 0.0 1.6 0.26 5.21 3.42 138 15 4 64 C E CAPE YAKATAGA. 98 7 14 11 45 22.76 60 4.54N 152 39.49W 97.9 1.8 0.38 6.64 9.71 52 16 7 17 C E COOK INLET. 98 7 14 13 40 0.02 61 36.69N 146 31.81W 29.8 0.9 0.23 4.01 14.48 78 12 5 35 D E PR WILLIAM SOUND. 98 7 14 13 56 50.85 61 51.12N 149 38.10W 11.6 2.7 0.17 1.07 2.20 52 17 4 26 A E COOK INLET. 98 7 14 15 27 24.89 59 27.18N 151 15.00W 33.6 1.9 0.22 6.47 3.95 127 32 5 8 C E KENAI PEN. 98 7 14 16 45 52.78 59 22.58N 155 4.54W 0.0 1.9 0.17 4.57 3.81 132 19 5 9 B E W SOUTHERN AK. 98 7 14 17 14 49.53 60 17.37N 147 15.46W 36.5 0.7 0.16 10.29 25.00 157 6 3 43 D E PR WILLIAM SOUND. 98 7 14 18 48 10.98 58 15.02N 153 45.07W 25.0 1.9 0.17 11.77 99.00 144 8 2 76 D E KODIAK IS REG. 98 7 14 21 40 58.25 61 31.45N 146 33.17W 34.2 1.4 0.13 5.76 12.77 81 9 7 34 D E PR WILLIAM SOUND. 98 7 15 1 8 57.77 63 15.54N 151 8.36W 8.0 1.6 0.31 2.50 2.83 102 15 8 35 B E CENTRAL AK. 98 7 15 2 58 34.50 58 9.77N 155 22.67W 1.1 1.0 0.11 0.79 4.58 80 9 8 6 B a ALASKA PEN. 98 7 15 6 0 19.79 59 40.80N 154 3.41W 152.3 2.6 0.30 4.24 3.56 121 25 8 14 B E COOK INLET. 98 7 15 6 52 10.57 59 2.98N 152 57.35W 69.8 1.5 0.25 3.11 6.55 86 10 5 42 C E COOK INLET. 98 7 15 8 46 1.84 61 45.37N 149 52.60W 41.2 1.4 0.25 1.68 3.59 151 12 8 12 B E COOK INLET. 98 7 15 9 4 51.81 63 48.82N 148 22.18W 108.9 1.7 0.13 3.74 6.60 62 15 6 29 C E CENTRAL AK. 98 7 15 9 14 46.39 63 37.52N 150 52.80W 33.2 1.1 0.01 40.46 14.81 268 3 2 8 D E CENTRAL AK. 98 7 15 10 42 57.37 60 55.45N 147 26.99W 31.8 1.7 0.24 1.34 2.35 77 14 11 20 A E PR WILLIAM SOUND. 98 7 15 15 18 7.62 57 58.29N 156 39.54W 0.0 2.8 0.22 1.88 1.17 151 15 8 56 A E ALASKA PEN. 98 7 15 15 36 40.92 61 20.93N 146 56.51W 8.5 1.4 0.24 0.76 2.12 94 13 10 38 A E PR WILLIAM SOUND. 98 7 15 16 29 56.97 63 30.38N 151 13.90W 11.5 3.0 0.31 1.95 1.25 111 19 12 16 A E CENTRAL AK. 98 7 15 16 37 53.22 59 18.31N 152 26.38W 69.1 4.2 0.24 0.87 1.68 108 29 11 47 A E COOK INLET. 98 7 15 18 50 3.96 60 24.86N 147 4.33W 10.1 0.7 0.11 3.24 12.32 133 5 5 32 D E PR WILLIAM SOUND. 98 7 15 18 50 39.21 63 13.06N 151 29.10W 0.0 1.5 0.58 4.80 16.72 177 10 4 47 D E CENTRAL AK. 98 7 15 21 28 24.46 53 38.69N 166 51.75W 0.0 1.7 0.18 3.22 7.87 291 10 4 17 C E FOX ISLS. 98 7 15 22 0 4.14 60 40.41N 143 27.68W 12.5 1.9 0.31 1.42 1.68 68 14 9 20 A E CAPE YAKATAGA. 98 7 15 22 47 21.69 60 39.42N 152 8.73W 86.2 2.7 0.30 1.74 2.65 66 25 15 17 B E COOK INLET. 98 7 16 0 8 44.90 64 42.25N 149 36.48W 16.1 2.1 0.14 3.55 2.82 86 15 5 29 B E CENTRAL AK. 98 7 16 0 8 56.17 62 49.22N 150 0.17W 78.0 2.2 0.25 5.46 6.47 58 15 6 26 C E CENTRAL AK. 98 7 16 0 48 26.01 63 56.90N 148 51.43W 6.2 1.9 0.19 5.27 8.76 135 10 3 24 C E CENTRAL AK. 98 7 16 1 49 42.15 64 31.58N 150 34.32W 26.5 0.9 0.44 8.25 98.97 146 9 3 57 D E CENTRAL AK. 98 7 16 4 2 59.37 61 37.90N 149 53.25W 35.1 1.6 0.18 3.62 2.79 59 15 7 2 B E COOK INLET. 98 7 16 5 31 5.33 63 0.24N 149 23.45W 83.4 1.9 0.10 3.06 6.20 68 15 6 13 C E CENTRAL AK. 98 7 16 7 8 48.20 61 15.22N 146 27.56W 22.8 1.7 0.15 1.86 3.44 73 11 4 15 B E PR WILLIAM SOUND. 98 7 16 10 39 33.24 52 47.22N 174 25.02W 206.6 4.3mb R ANDREANOF ISLS. 98 7 16 12 46 3.99 59 53.65N 152 32.16W 84.8 1.9 0.23 3.83 9.90 54 14 6 30 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 7 16 14 16 24.31 59 17.47N 152 27.24W 77.4 2.6 0.17 1.81 6.04 110 13 7 48 C E COOK INLET. 98 7 16 16 47 5.09 61 25.13N 151 40.65W 60.9 1.6 0.49 9.50 20.93 115 13 6 33 D E COOK INLET. 98 7 16 17 10 45.48 60 26.78N 143 49.04W 7.2 1.2 0.12 3.96 5.59 92 11 6 27 C E CAPE YAKATAGA. 98 7 16 17 25 26.50 63 3.89N 150 55.60W 121.5 1.5 0.44 9.13 14.87 92 14 4 54 D E CENTRAL AK. 98 7 16 21 22 13.04 63 4.47N 149 48.89W 91.4 2.2 0.16 3.74 7.23 53 16 5 14 C E CENTRAL AK. 98 7 16 21 58 32.02 52 56.52N 163 34.02W 33.0N 4.5mb R SOUTH OF AK. 98 7 16 22 8 24.91 58 53.42N 154 54.03W 124.8 2.7 0.20 4.90 7.19 117 14 6 46 C E ALASKA PEN. 98 7 16 23 14 9.03 64 30.69N 147 8.12W 16.8 1.1 0.13 4.60 6.43 134 6 4 15 C E CENTRAL AK. 98 7 17 0 58 51.64 62 27.57N 148 13.12W 10.6 1.6 0.15 1.78 5.07 48 16 11 73 C E CENTRAL AK. 98 7 17 3 16 14.38 61 15.65N 146 59.38W 0.0 2.0 0.39 0.80 1.39 71 15 11 31 A E PR WILLIAM SOUND. 98 7 17 5 25 22.44 63 12.27N 150 42.42W 129.1 3.3 0.31 1.24 1.54 79 18 10 35 A E CENTRAL AK. 98 7 17 10 29 3.64 61 41.61N 146 40.10W 26.5 3.4 0.30 0.72 4.20 58 17 12 38 B E PR WILLIAM SOUND. 98 7 17 15 34 17.48 53 40.72N 166 48.07W 2.3 1.8 0.21 3.43 4.99 275 11 8 14 B a FOX ISLS. 98 7 17 17 23 7.97 63 4.18N 150 23.50W 110.9 2.9 0.16 2.04 3.19 65 16 13 40 B E CENTRAL AK. 98 7 17 17 30 0.17 58 3.02N 155 18.14W 5.8 1.7 0.10 0.85 1.17 171 15 13 0 A E ALASKA PEN. 98 7 17 22 59 0.74 64 59.69N 147 19.49W 0.0 1.3 0.15 6.55 42.56 251 6 1 3 D E CENTRAL AK. 98 7 17 23 35 43.13 60 30.71N 151 51.90W 74.5 1.8 0.28 2.14 3.62 67 20 14 30 B E KENAI PEN. 98 7 18 1 46 5.35 64 40.25N 148 18.19W 19.7 1.8 0.35 5.09 4.85 113 10 6 24 C E CENTRAL AK. 98 7 18 4 9 7.30 61 58.76N 148 41.46W 16.0 1.6 0.14 4.00 6.86 58 12 5 26 C E PR WILLIAM SOUND. 98 7 18 4 32 39.78 63 48.84N 150 39.88W 13.8 2.3 0.16 3.81 4.60 79 10 3 32 B E CENTRAL AK. 98 7 18 5 58 6.54 61 23.32N 148 18.79W 33.6 1.5 0.10 2.42 2.68 80 13 7 8 B E PR WILLIAM SOUND. 98 7 18 6 14 5.35 59 6.97N 152 27.49W 64.2 2.4 0.09 2.22 8.91 110 14 5 57 C E COOK INLET. 98 7 18 6 40 51.40 62 51.28N 148 30.95W 54.4 1.9 0.16 4.56 10.34 78 14 5 59 D E CENTRAL AK. 98 7 18 7 19 24.14 63 12.39N 148 35.26W 3.2 2.1 0.14 3.14 7.04 72 14 6 26 C E CENTRAL AK. 98 7 18 7 51 14.80 59 55.62N 153 24.63W 137.5 2.5 0.17 6.25 7.78 71 15 5 19 C E COOK INLET. 98 7 18 8 25 12.88 63 31.98N 150 59.54W 9.9 2.0 0.18 5.69 3.31 94 10 3 4 C E CENTRAL AK. 98 7 18 8 31 16.68 64 30.75N 146 16.73W 44.2 1.6 0.25 14.90 13.89 112 8 3 34 D E CENTRAL AK. 98 7 18 11 34 27.20 63 0.47N 150 40.76W 103.4 2.2 0.06 3.23 7.78 79 15 4 53 C E CENTRAL AK. 98 7 18 12 21 20.04 59 47.66N 152 31.89W 88.5 2.3 0.15 2.11 5.15 49 14 5 35 C E COOK INLET. 98 7 18 12 41 10.46 63 20.02N 148 8.96W 85.6 1.8 0.15 5.65 5.37 101 15 5 36 C E CENTRAL AK. 98 7 18 14 18 38.64 55 9.00N 162 43.28W 2.5 2.5 0.22 3.73 8.33 110 15 5 6 C a ALASKA PEN. 98 7 18 16 3 48.53 51 55.80N 178 50.46E 132.9 4.5mb R RAT ISLS. 98 7 18 17 18 46.48 60 46.04N 143 37.53W 15.4 0.9 0.21 4.90 10.83 118 8 4 27 D E CAPE YAKATAGA. 98 7 19 4 22 49.06 61 32.88N 146 32.49W 20.6 2.1 0.33 0.72 3.45 47 17 12 34 B E PR WILLIAM SOUND. 98 7 19 16 28 58.24 61 35.09N 146 42.05W 0.0 1.4 0.37 1.21 2.18 79 14 6 43 A E PR WILLIAM SOUND.