ssued: August 4, 1998 Prepared by:Lalitha Rao No. 29 - 98 The following is a list of significant earthquakes during the time period July 27 - August 2, 1998 July 28 at 11:38 UTC (03:38 am ADT), ML 4.6, 59 N 22', 137 W 35', depth = 10 km (6 mi): A light earthquake , felt in Klukwan and Haines, was located in southeastern Alaska about 60 mi ( 97 km) W of Klukwan 76 mi (123 km) E of Yakutat 77 mi (123 km) W of Haines 81 mi (130 km) W of Skagway 93 mi (150 km) NNW of Elfin Cove July 30 at 09:49 UTC (01:49 am ADT), mb 4.5, 52 N 9', 173 E 38', depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Near Islands region of Alaska about 43 mi ( 70 km) SSW of Shemya Is 57 mi ( 91 km) SSE of Attu 98 mi (158 km) W of Buldir Is 234 mi (377 km) WNW of Amchitka 365 mi (587 km) ESE of Bering Is, Komandorsky August 1 at 04:44 UTC( July 31,08:44 pm ADT), ML 3.8, 61 N 53', 150 W 32', depth = 44 km (27 mi): A minor earthquake, felt in Anchorage and Denali Park, was located in the Cook Inlet region of Alaska about 19 mi ( 31 km) WNW of Willow 22 mi ( 35 km) ESE of Skwentna 34 mi ( 54 km) SSW of Talkeetna 41 mi ( 66 km) WNW of Hatcher Pass 42 mi ( 68 km) WNW of Wasilla August 1 at 10:04 UTC (02:04 am ADT), mb 4.2, 52 N 33', 175 E 26', depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Rat Islands region of Alaska about 25 mi ( 41 km) WNW of Buldir Is 56 mi ( 91 km) E of Shemya Is 96 mi (155 km) ESE of Attu 168 mi (270 km) WNW of Amchitka 340 mi (547 km) W of Adak _____________________________________________________________________________________________________________________________________________________ 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 27 1 11 37.28 60 14.42N 152 43.83W 10.9 1.4 0.16 1.84 1.91 104 18 12 22 A E COOK INLET. 98 7 27 1 24 4.60 59 33.68N 152 23.34W 69.6 2.2 0.24 0.77 1.90 74 23 19 42 A E COOK INLET. 98 7 27 2 1 36.18 63 10.56N 149 51.86W 99.1 2.0 0.19 2.34 3.49 58 17 12 25 B E CENTRAL AK. 98 7 27 2 32 20.02 59 38.68N 152 16.12W 71.8 2.2 0.27 0.74 1.96 62 26 18 35 A E COOK INLET. 98 7 27 3 32 40.14 58 14.89N 155 9.61W 3.6 1.6 0.06 0.59 0.68 132 13 7 1 A a ALASKA PEN. 98 7 27 6 46 39.39 54 0.44N 163 18.39W 20.2 2.5 0.23 4.46 10.81 238 15 13 76 D E UNIMAK IS. 98 7 27 8 38 33.04 62 9.74N 152 8.66W 117.0 2.8 0.58 6.82 12.89 188 12 10 101 D E CENTRAL AK. 98 7 27 8 45 40.51 61 38.21N 148 29.13W 36.6 1.8 0.21 1.16 2.25 70 16 14 21 A E PR WILLIAM SOUND. 98 7 27 8 45 43.00 55 3.58N 162 46.47W 107.0 2.1 0.12 7.07 8.39 132 11 2 15 C E ALASKA PEN. 98 7 27 8 47 4.11 60 1.70N 153 4.79W 0.0 -0.6 0.07 1.81 4.74 137 6 6 2 B a COOK INLET. 98 7 27 12 52 39.00 60 8.62N 153 26.67W 147.8 3.4 0.31 1.95 1.32 82 29 18 20 A E COOK INLET. 98 7 27 18 56 32.22 62 15.24N 148 55.01W 36.2 1.4 0.29 4.40 9.36 238 15 8 54 C E CENTRAL AK. 98 7 27 19 14 53.41 59 52.26N 153 28.88W 130.7 3.1 0.27 2.79 3.21 124 19 14 28 B E COOK INLET. 98 7 27 20 44 11.09 60 4.56N 152 53.74W 0.9 0.6 0.15 8.32 5.26 314 5 6 9 C a COOK INLET. 98 7 28 1 31 22.97 60 5.07N 152 56.68W 107.8 1.9 0.29 12.14 11.30 77 14 4 1 D E COOK INLET. 98 7 28 2 8 3.99 61 47.91N 149 36.23W 35.4 1.9 0.12 2.37 4.35 90 11 4 22 B E COOK INLET. 98 7 28 6 38 15.87 61 33.39N 150 35.66W 43.7 1.6 0.25 4.06 8.00 64 17 6 13 C E COOK INLET. 98 7 28 6 57 43.47 59 48.17N 152 31.57W 107.4 2.9 0.19 1.60 5.75 53 15 4 35 C E COOK INLET. 98 7 28 7 0 45.07 57 59.53N 156 48.05W 5.6 2.8 0.20 3.38 3.09 194 16 7 62 B E ALASKA PEN. 98 7 28 8 28 28.65 57 28.81N 142 45.02W 10.0G 2.6 0.22 18.74 49.13 240 18 3 289 D E GULF OF ALASKA. 98 7 28 8 53 47.64 60 18.49N 147 2.63W 9.0 2.4 0.14 2.44 2.58 79 14 7 32 B E PR WILLIAM SOUND. 98 7 28 9 59 16.69 62 39.24N 149 27.36W 69.7 2.1 0.17 4.07 9.69 60 12 6 37 C E CENTRAL AK. 98 7 28 11 38 48.45 59 21.86N 137 35.21W 10.0 4.6 0.66 5.27 9.33 199 15 3 108 C E SOUTHEASTERN AK. 98 7 28 16 38 28.14 59 58.51N 153 35.58W 143.8 2.4 0.19 3.67 8.35 81 15 4 27 C E COOK INLET. 98 7 28 16 59 38.52 62 34.86N 151 22.78W 90.8 2.3 0.15 5.67 10.83 91 14 7 61 D E CENTRAL AK. 98 7 28 17 51 30.02 58 15.53N 146 52.65W 10.0G 2.7 0.30 18.74 36.08 183 19 8 134 D E GULF OF ALASKA. 98 7 28 20 57 16.33 63 30.73N 150 45.55W 6.4 2.2 0.23 2.28 5.33 65 10 5 9 C E CENTRAL AK. 98 7 29 1 33 10.35 62 36.54N 149 21.26W 57.9 2.9 0.24 1.22 1.91 67 16 13 44 A E CENTRAL AK. 98 7 29 4 3 32.54 64 46.33N 147 16.59W 20.6 2.0 0.38 0.99 1.00 102 12 10 19 A E CENTRAL AK. 98 7 29 6 8 36.83 62 5.33N 149 49.13W 48.2 1.8 0.31 1.80 4.12 83 16 13 42 B E CENTRAL AK. 98 7 29 7 58 18.50 61 25.99N 146 39.94W 9.7 1.9 0.21 0.99 3.47 63 16 10 38 B E PR WILLIAM SOUND. 98 7 29 9 24 44.75 62 9.82N 149 36.06W 53.8 1.7 0.35 2.57 3.40 76 17 13 44 B E CENTRAL AK. 98 7 29 9 45 18.51 59 41.31N 153 8.39W 119.1 3.2 0.21 1.18 2.08 61 31 18 6 A E COOK INLET. 98 7 29 9 56 29.99 54 35.35N 161 56.64W 42.7 3.0 0.15 2.99 3.59 208 15 15 47 B E ALASKA PEN. 98 7 29 13 16 59.04 62 6.57N 148 58.91W 45.1 1.8 0.29 1.55 3.78 74 19 14 38 B E CENTRAL AK. 98 7 29 13 27 11.14 61 57.27N 150 55.14W 65.4 2.1 0.36 2.88 5.42 134 18 12 61 C E COOK INLET. 98 7 29 14 59 12.84 61 7.04N 147 4.14W 22.0 1.4 0.20 0.75 1.92 65 14 11 26 A E PR WILLIAM SOUND. 98 7 29 20 0 49.44 63 9.90N 150 46.08W 128.6 2.7 0.16 2.98 4.69 83 17 11 40 B E CENTRAL AK. 98 7 29 21 44 39.34 63 18.44N 149 16.16W 86.8 1.7 0.20 2.68 3.21 102 15 10 24 B E CENTRAL AK. 98 7 29 23 25 56.69 59 48.12N 150 50.34W 35.9 2.2 0.31 1.57 2.12 148 17 14 5 A E KENAI PEN. 98 7 30 2 46 17.40 60 2.25N 153 3.70W 0.0 1.1 0.11 0.79 1.20 83 10 5 3 A a COOK INLET. 98 7 30 6 37 59.68 59 40.06N 151 41.78W 43.1 2.4 0.18 3.49 5.87 78 15 9 3 C E KENAI PEN. 98 7 30 7 40 44.12 61 23.15N 146 58.65W 19.0 1.7 0.10 1.52 3.16 51 18 5 42 B E PR WILLIAM SOUND. 98 7 30 9 50 55.59 54 41.92N 164 10.94W 0.0 1.1 0.27 7.20 98.98 302 4 4 12 D b UNIMAK IS. 98 7 30 9 49 34.56 52 9.42N 173 38.16E 33.0N 4.5mb R NEAR ISLS. 98 7 30 10 11 57.24 62 45.14N 148 59.40W 59.1 2.4 0.12 2.97 8.53 65 12 6 41 C E CENTRAL AK. 98 7 30 12 4 17.54 61 6.22N 151 26.99W 77.4 2.7 0.24 4.92 9.51 94 15 5 42 C E COOK INLET. 98 7 30 16 7 34.35 54 11.38N 162 32.68W 16.3 3.0 0.57 7.45 18.21 212 16 4 88 D E ALASKA PEN. 98 7 30 18 25 14.85 54 50.03N 161 35.69W 79.8 2.2 0.20 7.17 9.15 186 14 6 39 C E ALASKA PEN. 98 7 31 1 47 34.62 53 14.30N 164 38.69W 0.0 3.8 0.13 13.98 13.57 239 15 10 119 D E UNIMAK IS. _____________________________________________________________________________________________________________________________________________________ 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 31 8 20 46.93 59 21.28N 153 25.59W 0.0 -0.8 0.03 10.57 12.20 295 4 4 1 D a COOK INLET. 98 7 31 8 22 53.99 60 33.35N 148 57.17W 22.2 1.3 0.30 1.24 2.42 103 14 10 24 A E KENAI PEN. 98 7 31 9 56 49.34 60 5.00N 152 53.37W 112.1 2.3 0.14 2.48 2.94 93 20 11 4 B E COOK INLET. 98 7 31 12 54 3.11 61 47.87N 149 29.09W 10.4 0.7 0.14 1.31 2.86 215 5 4 26 B E COOK INLET. 98 7 31 16 27 27.10 61 49.58N 147 24.60W 38.1 2.1 0.38 1.62 2.19 50 17 12 4 A E PR WILLIAM SOUND. 98 7 31 18 41 34.33 61 6.04N 149 51.11W 38.0 1.7 0.22 1.21 3.47 78 14 9 10 B E COOK INLET. 98 7 31 19 0 24.11 61 36.35N 149 35.47W 36.0 1.5 0.26 0.79 1.64 83 13 11 16 A E COOK INLET. 98 7 31 21 1 0.03 60 25.21N 151 18.97W 61.6 1.8 0.28 2.22 6.48 78 18 12 36 C E KENAI PEN. 98 8 1 0 39 44.42 61 33.95N 148 25.02W 10.0 0.4 0.12 3.22 5.51 83 9 3 17 C E PR WILLIAM SOUND. 98 8 1 1 9 17.47 60 26.30N 153 0.81W 128.6 1.9 0.17 7.57 11.42 76 17 3 15 D E COOK INLET. 98 8 1 1 11 27.14 61 20.80N 150 24.20W 43.2 2.2 0.22 4.08 6.20 65 13 6 22 C E COOK INLET. 98 8 1 2 4 25.93 62 5.19N 147 33.98W 38.7 2.3 0.18 3.47 3.68 59 18 7 31 B E CENTRAL AK. 98 8 1 4 44 58.05 61 52.80N 150 32.28W 43.5 3.8 0.46 0.89 2.22 84 17 5 43 A E COOK INLET. 98 8 1 7 15 38.94 60 50.25N 139 30.65W 5.0 2.1 0.30 15.78 20.11 249 11 5 92 D E YAKUTAT BAY. 98 8 1 7 28 17.37 61 8.45N 152 14.74W 11.1 1.9 0.15 2.23 6.94 57 15 4 7 C E COOK INLET. 98 8 1 8 53 9.41 60 18.09N 151 17.79W 71.5 1.9 0.22 3.03 9.00 65 13 3 29 C E KENAI PEN. 98 8 1 10 4 22.35 52 32.70N 175 25.68E 33.0N 4.2mb R RAT ISLS. 98 8 1 10 59 29.64 63 14.57N 150 41.30W 129.3 2.2 0.14 5.03 6.27 71 13 5 31 C E CENTRAL AK. 98 8 1 11 51 9.56 59 50.53N 151 0.89W 56.5 2.2 0.23 2.42 4.86 58 15 5 11 B E KENAI PEN. 98 8 1 13 23 46.38 61 20.10N 146 43.75W 20.2 1.1 0.11 4.52 25.36 97 10 3 31 D E PR WILLIAM SOUND. 98 8 1 13 35 57.34 61 40.27N 146 33.72W 21.9 2.3 0.19 0.98 6.68 94 13 5 39 C E PR WILLIAM SOUND. 98 8 1 13 38 0.83 52 56.34N 166 20.14W 57.2 2.3 0.26 47.89 92.12 327 7 3 102 D E FOX ISLS. 98 8 1 14 28 13.48 61 42.03N 149 38.76W 37.7 1.2 0.19 6.71 10.41 72 11 6 14 D E COOK INLET. 98 8 1 14 51 31.41 60 58.92N 147 13.17W 23.7 1.3 0.17 3.36 2.73 54 16 6 13 B E PR WILLIAM SOUND. 98 8 1 15 47 16.75 59 59.59N 152 41.82W 75.6 2.1 0.18 4.99 5.72 52 15 4 18 C E COOK INLET. 98 8 1 16 34 26.77 61 49.30N 149 35.71W 50.4 1.7 0.14 4.66 7.96 95 11 6 24 C E COOK INLET. 98 8 1 17 9 58.78 61 52.77N 149 20.41W 10.6 1.2 0.15 3.21 7.04 78 10 5 25 C E COOK INLET. 98 8 1 18 55 54.77 60 7.07N 152 51.25W 99.6 2.0 0.12 7.40 10.90 79 14 3 7 D E COOK INLET. 98 8 2 0 31 39.62 61 51.41N 149 12.96W 4.0 1.6 0.50 1.55 2.37 113 13 7 18 A COOK INLET. 98 8 2 4 53 58.40 63 3.11N 149 19.78W 74.1 2.2 0.29 2.90 4.69 70 15 12 18 B E CENTRAL AK. 98 8 2 8 52 30.77 64 50.79N 147 39.27W 10.4 1.5 0.15 1.61 5.48 111 7 7 10 C E CENTRAL AK. 98 8 2 15 15 3.18 59 22.15N 153 25.22W 0.0 -0.4 0.05 40.47 90.38 331 3 3 1 D a COOK INLET. 98 8 2 15 46 53.27 63 4.75N 150 24.87W 103.8 2.4 0.24 1.68 2.57 65 17 10 41 B E CENTRAL AK. 98 8 2 17 55 17.16 60 32.14N 152 48.53W 6.4 1.0 0.15 0.84 1.04 112 11 10 4 A E COOK INLET. 98 8 2 19 53 15.87 59 47.27N 153 17.93W 132.6 2.4 0.26 8.34 4.95 185 17 4 16 C E COOK INLET. 98 8 2 20 30 12.08 61 41.35N 149 49.90W 45.2 2.3 0.35 1.65 2.03 75 15 13 5 A E COOK INLET.