Issued: September 15, 1998 Prepared by: Lalitha Rao No. 35 - 98 The following is a list of significant earthquakes during the time period September 7 - 13, 1998 September 9 at 14:48 UTC (06:48 am ADT), mb 4.2, 54 N 30', 134 W 4', depth = 10 km (6 mi): A light earthquake, felt at Langara Island Lighthouse and on Graham Island, was located by NEIC in the Queen Charlotte Islands region about 45 mi ( 72 km) WNW of Dixon Entrance 77 mi (123 km) SSW of Craig 83 mi (133 km) SSW of Klawock 98 mi (157 km) SW of Kasaan 109 mi (175 km) WSW of Metlakatla September 9 at 23:03 UTC (03:03 pm ADT), mb 4.4, 51 N 8', 178 E 44', depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Rat Islands region of Alaska about 29 mi ( 47 km) SSW of Amchitka 147 mi (236 km) ESE of Buldir Is 206 mi (331 km) WSW of Adak 225 mi (363 km) ESE of Shemya Is 265 mi (427 km) ESE of Attu September 9 at 23:18 UTC (03:18 pm ADT), mb 4.3, 51 N 16', 178 E 48', depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Rat Islands region of Alaska about 21 mi ( 33 km) SSW of Amchitka 144 mi (232 km) ESE of Buldir Is 201 mi (323 km) W of Adak 223 mi (359 km) ESE of Shemya Is 264 mi (424 km) ESE of Attu September 13 at 16:54 UTC (08:54 am ADT), ML 4.2, 64 N 30', 158 W 3', depth = 0 km (0 mi): A light earthquake, felt in Nulato, Kaltag, and Galena, was located in the west-central region of Alaska about 15 mi ( 24 km) S of Nulato 23 mi ( 38 km) ENE of Kaltag 28 mi ( 45 km) SSW of Koyukuk 37 mi ( 60 km) WSW of Galena 78 mi (126 km) W of Ruby _____________________________________________________________________________________________________________________________________________________ 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 9 7 1 0 21.86 59 35.94N 152 43.43W 84.3 3.4 0.26 1.12 2.21 81 21 15 29 A E COOK INLET. 98 9 7 2 9 35.20 60 14.92N 152 28.04W 101.4 2.0 0.20 2.39 2.79 82 19 16 29 B E COOK INLET. 98 9 7 3 9 29.60 60 26.53N 152 18.07W 81.8 2.3 0.36 1.20 1.53 68 15 12 16 A E COOK INLET. 98 9 7 4 10 0.91 59 15.94N 154 2.82W 122.9 3.5 0.22 2.92 3.57 55 19 14 19 B E COOK INLET. 98 9 7 4 51 25.80 63 30.14N 146 59.88W 0.0 2.0 0.21 1.20 6.00 80 17 6 51 C E CENTRAL AK. 98 9 7 6 29 42.08 61 38.77N 148 11.16W 16.4 1.2 0.23 0.86 2.49 88 10 6 20 A E PR WILLIAM SOUND. 98 9 7 8 7 37.02 60 8.71N 151 33.40W 77.5 3.0 0.35 1.23 3.49 59 18 11 19 B E KENAI PEN. 98 9 7 9 0 3.22 60 23.26N 147 41.51W 7.3 1.6 0.20 1.63 3.59 105 15 6 40 B E PR WILLIAM SOUND. 98 9 7 9 17 11.36 63 14.77N 151 17.00W 11.3 1.7 0.23 2.63 1.57 147 16 9 39 B E CENTRAL AK. 98 9 7 13 27 9.32 61 42.18N 151 40.32W 86.2 1.8 0.25 2.09 2.73 84 16 11 32 B E COOK INLET. 98 9 7 14 47 41.76 62 4.02N 150 35.24W 61.1 2.3 0.30 1.41 3.57 95 16 14 41 B E CENTRAL AK. 98 9 7 16 33 7.89 62 22.59N 151 29.02W 92.1 2.0 0.15 3.41 3.91 171 15 10 63 B E CENTRAL AK. 98 9 7 16 59 50.41 60 5.50N 153 6.81W 121.1 2.6 0.29 2.78 1.63 94 16 9 4 B E COOK INLET. 98 9 7 19 44 47.93 60 54.76N 147 24.42W 28.8 1.4 0.29 0.75 1.20 56 15 8 17 A E PR WILLIAM SOUND. 98 9 7 22 44 31.67 61 23.77N 151 55.00W 89.1 2.4 0.30 2.14 2.78 67 18 9 11 B E COOK INLET. 98 9 8 0 50 29.75 59 52.56N 152 51.80W 100.7 2.6 0.11 2.51 4.34 60 14 6 15 B E COOK INLET. 98 9 8 3 59 42.54 60 36.60N 145 27.51W 26.3 1.1 0.15 3.49 2.12 79 15 7 16 B E PR WILLIAM SOUND. 98 9 8 4 3 36.93 61 28.81N 146 18.63W 29.9 2.0 0.19 1.40 3.45 72 16 6 21 B E PR WILLIAM SOUND. 98 9 8 4 14 8.00 59 56.69N 147 34.77W 5.0 1.5 0.13 6.27 4.58 136 13 3 19 C E GULF OF ALASKA. 98 9 8 7 35 30.07 62 0.46N 151 28.77W 80.5 3.4 0.10 1.91 5.65 74 14 4 4 C E CENTRAL AK. 98 9 8 8 45 49.02 61 23.90N 142 50.77W 2.8 1.3 0.20 6.25 7.27 104 8 3 49 C E CAPE YAKATAGA. 98 9 8 8 46 38.71 59 58.00N 152 18.41W 80.3 2.4 0.32 2.63 9.45 54 13 3 39 C E COOK INLET. 98 9 8 9 37 1.03 61 44.73N 147 15.73W 37.1 1.5 0.19 4.56 8.05 64 11 4 10 C E PR WILLIAM SOUND. 98 9 8 12 51 6.75 64 57.62N 147 8.49W 12.4 1.1 0.20 4.04 5.70 117 12 5 12 C E CENTRAL AK. 98 9 8 13 44 36.39 61 9.91N 150 13.85W 44.2 1.4 0.13 2.92 4.46 85 11 6 23 B E COOK INLET. 98 9 8 14 57 58.30 62 18.77N 149 10.57W 47.6 1.9 0.16 3.55 7.66 64 14 6 58 C E CENTRAL AK. 98 9 8 15 9 55.37 60 36.53N 147 32.40W 10.5 1.7 0.13 2.99 2.84 83 13 5 39 B E PR WILLIAM SOUND. 98 9 8 16 19 54.21 59 56.79N 152 33.91W 82.3 3.3 0.30 1.38 3.74 55 14 5 26 B E COOK INLET. 98 9 8 19 17 16.17 59 59.96N 153 6.89W 120.2 2.4 0.16 4.19 6.21 67 15 7 2 C E COOK INLET. 98 9 8 19 28 44.95 61 26.87N 146 40.09W 22.8 1.4 0.11 1.19 4.46 121 15 5 39 B E PR WILLIAM SOUND. 98 9 8 22 38 46.26 63 52.52N 148 27.11W 109.3 2.3 0.12 3.49 8.82 68 14 4 29 C E CENTRAL AK. 98 9 8 23 34 45.28 58 1.17N 156 41.03W 0.0 2.9 0.18 5.35 2.47 151 14 5 54 C ALASKA PEN. 98 9 9 0 48 41.07 61 44.50N 149 35.77W 40.6 1.4 0.26 2.56 4.20 86 17 10 18 B E COOK INLET. 98 9 9 1 18 36.10 61 51.63N 150 55.08W 63.4 1.4 0.24 2.40 5.33 96 12 6 35 C E COOK INLET. 98 9 9 1 19 0.62 60 2.35N 153 4.30W 0.0 -0.4 0.06 0.90 7.37 114 6 5 2 C a COOK INLET. 98 9 9 5 59 34.47 58 52.00N 154 12.70W 94.4 2.8 0.22 1.75 3.22 73 21 14 34 B E ALASKA PEN. 98 9 9 8 6 15.40 61 21.73N 146 48.74W 16.8 1.3 0.15 0.92 2.86 51 14 6 36 B E PR WILLIAM SOUND. 98 9 9 8 30 48.19 59 50.31N 151 50.19W 54.7 2.1 0.27 0.91 2.44 59 24 15 23 A E KENAI PEN. 98 9 9 10 41 54.57 61 31.92N 146 29.19W 30.3 1.9 0.35 1.11 2.64 59 18 15 30 B E PR WILLIAM SOUND. 98 9 9 10 41 47.68 61 32.22N 151 26.09W 83.4 1.2 0.11 9.43 5.12 331 7 5 40 C E COOK INLET. 98 9 9 12 58 30.05 60 43.07N 150 11.66W 47.5 3.1 0.41 0.80 2.36 52 22 14 34 A E KENAI PEN. 98 9 9 14 48 40.99 54 30.00N 134 3.84W 10.0 4.2mb R QU CHARLOTTE ISLS. 98 9 9 15 4 38.29 63 6.30N 150 53.50W 128.9 2.4 0.20 2.48 3.56 90 18 12 49 B E CENTRAL AK. 98 9 9 16 58 29.30 62 5.36N 150 2.68W 7.8 1.9 0.29 1.72 3.61 80 18 10 37 B E CENTRAL AK. 98 9 9 17 8 7.56 61 29.15N 146 40.02W 6.9 1.0 0.22 1.28 2.76 130 11 7 40 B E PR WILLIAM SOUND. 98 9 9 19 26 41.08 61 6.20N 150 51.47W 25.9 0.1 0.28 6.70 98.80 342 5 4 65 D E COOK INLET. 98 9 9 19 51 56.47 61 17.01N 146 44.31W 31.7 0.7 0.20 1.62 5.24 142 8 6 27 C E PR WILLIAM SOUND. 98 9 9 19 52 18.44 61 8.39N 151 59.47W 100.5 1.2 0.25 6.35 4.69 95 12 7 6 C E COOK INLET. 98 9 9 23 3 54.16 51 8.46N 178 44.04E 33.0N 4.4mb R RAT ISLS. 98 9 9 23 17 47.95 60 58.37N 146 59.05W 27.6 1.1 0.19 1.83 1.42 81 9 7 12 A E PR WILLIAM SOUND. _____________________________________________________________________________________________________________________________________________________ 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 9 9 23 18 10.92 51 15.78N 178 47.52E 33.0N 4.3mb R RAT ISLS. 98 9 9 23 46 50.10 60 29.03N 150 0.89W 31.2 1.5 0.21 1.96 5.12 68 16 6 36 C E KENAI PEN. 98 9 9 23 58 17.59 61 40.24N 150 40.45W 52.3 2.3 0.30 1.16 2.76 67 15 13 23 B E COOK INLET. 98 9 10 4 19 59.77 60 45.67N 150 12.39W 52.2 1.6 0.22 5.60 9.75 67 9 6 29 C E KENAI PEN. 98 9 10 6 7 9.41 61 36.30N 151 1.77W 72.3 1.9 0.27 7.34 12.54 146 9 5 61 D E COOK INLET. 98 9 10 11 32 57.21 61 43.44N 150 8.28W 40.3 1.5 0.23 3.60 8.06 65 12 10 16 C E COOK INLET. 98 9 10 13 56 27.29 60 32.52N 152 41.87W 5.5 2.4 0.17 0.86 1.17 55 29 16 3 A E COOK INLET. 98 9 10 15 45 22.11 60 25.67N 152 19.86W 91.4 2.4 0.19 6.99 10.82 77 14 4 22 D E COOK INLET. 98 9 10 16 0 25.52 60 6.99N 153 24.00W 144.1 2.9 0.21 7.21 9.34 89 13 4 16 C E COOK INLET. 98 9 10 16 4 56.67 61 38.84N 151 2.82W 84.0 1.7 0.20 7.81 20.30 84 11 5 62 D E COOK INLET. 98 9 10 18 43 17.09 62 57.40N 150 43.05W 108.0 2.4 0.09 5.29 8.75 80 13 8 55 C E CENTRAL AK. 98 9 10 19 4 49.17 58 11.75N 155 16.46W 3.3 -0.2 0.13 3.95 5.92 86 7 4 3 C a ALASKA PEN. 98 9 10 19 21 49.31 53 42.90N 165 30.53W 18.6 3.0 0.12 6.14 5.73 235 16 5 46 C E FOX ISLS. 98 9 10 21 40 34.49 53 59.24N 165 42.79W 15.5 2.0 0.15 6.40 6.85 205 14 5 14 C E FOX ISLS. 98 9 10 21 56 33.74 61 12.63N 146 57.47W 18.5 1.8 0.20 1.30 2.11 76 15 4 26 A E PR WILLIAM SOUND. 98 9 10 23 12 31.43 59 23.49N 152 50.43W 77.9 2.8 0.15 2.73 8.00 97 11 7 30 C E COOK INLET. 98 9 11 2 51 58.12 62 0.01N 147 54.28W 37.2 1.8 0.29 2.57 3.60 54 15 11 31 B E CENTRAL AK. 98 9 11 3 13 29.39 57 43.47N 155 28.01W 97.2 2.5 0.18 3.51 2.30 250 14 9 37 B E ALASKA PEN. 98 9 11 7 31 6.16 61 33.83N 149 59.97W 38.1 2.3 0.24 0.86 1.73 53 20 15 12 A E COOK INLET. 98 9 11 10 5 8.05 63 15.19N 151 1.44W 0.0 1.6 0.29 2.17 8.39 100 11 5 34 C E CENTRAL AK. 98 9 11 10 45 6.48 63 13.48N 151 15.50W 9.5 2.3 0.29 2.42 2.45 103 17 11 40 A E CENTRAL AK. 98 9 11 12 33 18.86 63 49.79N 149 0.68W 113.1 3.1 0.15 1.63 2.28 77 16 8 11 A E CENTRAL AK. 98 9 11 14 23 51.57 60 49.57N 150 0.77W 46.6 2.4 0.40 0.69 1.91 58 22 19 30 A E KENAI PEN. 98 9 11 15 30 22.78 60 47.80N 151 11.39W 53.9 2.0 0.38 0.92 2.71 73 19 14 7 B E KENAI PEN. 98 9 11 17 39 17.27 62 21.53N 150 37.80W 66.7 1.9 0.26 1.91 3.26 69 16 12 19 B E CENTRAL AK. 98 9 11 18 29 4.34 61 36.48N 146 24.24W 31.7 1.8 0.33 0.81 2.43 63 18 15 29 A E PR WILLIAM SOUND. 98 9 11 19 21 9.35 60 1.77N 153 15.56W 125.6 2.4 0.29 1.44 2.00 71 22 10 8 A E COOK INLET. 98 9 11 19 28 46.28 53 30.04N 166 56.61W 0.0 2.1 0.27 2.92 2.89 316 10 8 33 B E FOX ISLS. 98 9 11 21 14 31.90 60 54.88N 146 53.79W 27.1 1.0 0.22 2.54 2.08 90 10 6 11 B E PR WILLIAM SOUND. 98 9 11 22 35 34.99 60 21.29N 152 16.44W 87.9 2.1 0.28 1.73 3.50 62 23 15 25 B E COOK INLET. 98 9 11 23 19 56.83 60 39.04N 150 48.16W 44.2 1.8 0.23 0.91 2.04 54 21 13 26 A E KENAI PEN. 98 9 12 0 41 58.22 60 59.03N 146 58.18W 17.7 2.3 0.32 0.74 1.09 56 18 8 13 A E PR WILLIAM SOUND. 98 9 12 1 55 2.99 55 38.97N 160 1.91W 6.3 3.0 0.23 6.93 3.61 147 14 7 45 C E ALASKA PEN. 98 9 12 2 11 27.98 60 4.24N 152 55.04W 98.6 1.8 0.13 7.53 8.69 78 13 7 3 C E COOK INLET. 98 9 12 2 41 59.44 61 5.91N 151 20.26W 39.5 1.5 0.19 2.12 7.28 55 13 6 40 C E COOK INLET. 98 9 12 4 47 23.99 60 26.80N 147 49.19W 18.4 1.3 0.18 1.61 4.04 65 15 7 45 B E PR WILLIAM SOUND. 98 9 12 6 32 46.66 60 47.95N 149 58.21W 26.1 2.2 0.18 2.42 23.29 66 14 4 44 D E KENAI PEN. 98 9 12 6 56 17.36 61 3.87N 151 1.14W 74.0 1.2 0.27 7.72 13.57 89 12 5 38 D E COOK INLET. 98 9 12 6 58 6.91 60 27.98N 152 39.96W 88.3 2.0 0.17 4.38 5.30 66 15 3 3 C E COOK INLET. 98 9 12 7 33 10.83 62 58.19N 150 52.42W 108.6 1.8 0.10 5.12 7.81 69 14 6 61 C E CENTRAL AK. 98 9 12 7 44 51.36 53 52.09N 166 55.52W 4.3 0.7 0.06 3.62 11.98 178 6 5 6 D a FOX ISLS. 98 9 12 9 50 35.02 62 3.65N 149 37.32W 48.6 1.2 0.15 7.17 12.47 77 10 7 48 D E CENTRAL AK. 98 9 12 11 10 47.71 59 24.65N 153 29.68W 112.8 3.3 0.18 2.22 4.03 86 14 6 5 B E COOK INLET. 98 9 12 12 6 51.91 58 22.70N 153 33.39W 56.9 2.0 0.11 4.89 5.85 115 13 6 62 C E KODIAK IS REG. 98 9 12 14 53 56.44 61 55.37N 148 6.25W 34.0 2.5 0.18 1.62 2.67 95 11 4 18 B E PR WILLIAM SOUND. 98 9 12 15 35 46.41 63 31.00N 150 46.14W 11.8 2.6 0.33 1.39 2.07 62 15 4 9 A E CENTRAL AK. 98 9 12 15 51 4.84 61 27.00N 146 38.17W 12.3 1.0 0.06 3.19 8.95 123 13 3 38 C E PR WILLIAM SOUND. 98 9 12 15 54 14.88 61 17.82N 146 54.81W 23.1 1.2 0.11 1.29 4.73 87 14 8 32 B E PR WILLIAM SOUND. 98 9 12 18 26 19.42 63 38.48N 151 6.30W 20.3 0.9 0.22 8.73 3.65 204 9 3 13 C E CENTRAL AK. 98 9 12 20 26 40.37 60 17.72N 151 29.45W 47.7 1.9 0.12 2.89 4.05 55 12 5 30 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 9 12 21 4 49.37 63 30.63N 150 25.96W 13.9 1.1 0.28 4.62 4.50 105 11 6 10 B E CENTRAL AK. 98 9 12 21 39 14.47 60 45.24N 147 42.10W 14.9 2.0 0.22 1.95 8.17 67 18 6 36 C E PR WILLIAM SOUND. 98 9 12 23 55 50.46 62 10.92N 148 30.34W 37.0 1.2 0.21 13.13 18.45 108 6 3 43 D E CENTRAL AK. 98 9 13 0 12 41.57 60 25.58N 147 44.82W 10.0 1.3 0.21 0.80 1.97 96 16 10 43 A E PR WILLIAM SOUND. 98 9 13 1 17 16.80 60 0.03N 152 53.69W 119.9 2.1 0.19 2.46 3.04 83 19 15 7 B E COOK INLET. 98 9 13 1 40 40.76 64 27.56N 147 59.14W 18.3 1.1 0.31 1.17 1.73 130 10 3 5 A E CENTRAL AK. 98 9 13 1 57 34.86 59 48.92N 152 46.51W 99.1 2.1 0.26 1.61 2.94 97 15 13 23 B E COOK INLET. 98 9 13 3 40 35.79 61 50.21N 149 31.65W 41.4 1.6 0.25 1.45 2.69 120 15 12 28 B E COOK INLET. 98 9 13 4 0 49.29 62 53.89N 150 31.81W 0.0 1.6 0.22 1.15 9.74 72 15 4 46 C E CENTRAL AK. 98 9 13 5 2 3.48 62 28.00N 152 18.64W 131.2 2.5 0.18 2.80 5.72 106 16 7 68 C E CENTRAL AK. 98 9 13 6 6 7.56 62 33.10N 148 34.50W 36.8 1.5 0.19 1.61 3.92 60 15 9 72 B E CENTRAL AK. 98 9 13 12 23 48.01 61 36.62N 146 24.56W 34.1 1.7 0.32 0.91 1.80 63 17 10 29 A E PR WILLIAM SOUND. 98 9 13 13 57 26.29 65 31.16N 147 57.64W 16.3 2.4 0.16 3.00 1.63 110 15 2 65 B E N CENTRAL AK. 98 9 13 14 11 41.26 61 17.48N 146 50.33W 15.4 2.0 0.22 0.72 2.10 88 16 11 29 A E PR WILLIAM SOUND. 98 9 13 16 54 5.43 64 30.06N 158 3.40W 0.0 4.2 0.59 8.08 20.66 133 16 6 202 D E W CENTRAL AK. 98 9 13 18 54 54.20 64 24.21N 147 52.97W 9.6 0.4 0.09 5.72 9.33 258 4 4 13 C E CENTRAL AK. 98 9 13 19 16 48.74 62 56.12N 149 16.17W 68.2 1.7 0.22 1.47 2.67 71 15 10 19 B E CENTRAL AK. 98 9 13 21 55 22.88 58 10.93N 155 22.00W 0.0 -0.1 0.06 2.94 99.00 119 5 2 4 D a ALASKA PEN.