Issued: March 15, 1999 Prepared by: Lalitha Rao No. 11 - 99 The following is a list of significant earthquakes during the time period March 8 - 14, 1999 March 8 at 10:59 UTC (01:59 am AST), ML 4.0, 60 N 1', 151 W 31', depth = 62 km (38 mi): A light earthquake, felt in Ninilchik, Anchor Point, and Kasilof, was located in the Kenai Penin- sula region of Alaska about 6 mi ( 9 km) ESE of Ninilchik 15 mi ( 25 km) SSW of Clam Gulch 20 mi ( 32 km) NNE of Anchor Point 24 mi ( 38 km) SSW of Kasilof 26 mi ( 42 km) N of Homer March 8 at 13:03 UTC (04:03 am AST), ML 3.8, 58 N 16', 151 W 34', depth = 15 km (9 mi): A minor earthquake was located in the Kodiak Island region of Alaska about 42 mi ( 67 km) NE of Ouzinkie 45 mi ( 72 km) NE of Kodiak 55 mi ( 89 km) ENE of Port Lions 76 mi (123 km) S of Port Graham 77 mi (124 km) S of English Bay March 9 at 14:22 UTC (05:22 am AST), ML 4.2, 56 N 3', 153 W 57', depth = 0 km (0 mi): A light earthquake was located in the Kodiak Island region of Alaska about 83 mi (134 km) SSW of Old Harbor 103 mi (166 km) S of Larsen Bay 107 mi (172 km) S of Karluk 132 mi (213 km) SSW of Port Lions 134 mi (215 km) SSW of Kodiak March 9 at 19:13 UTC (10:13 am AST), mb 4.1, 51 N 4', 176 W 51', depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Andreanof Islands region of Alaska about 56 mi ( 91 km) S of Adak 138 mi (222 km) WSW of Atka 183 mi (294 km) E of Amchitka 227 mi (364 km) WSW of Amukta Pass 323 mi (519 km) ESE of Buldir Is March 9 at 19:44 UTC (10:44 am AST), ML 3.8, 61 N 39', 151 W 44', depth = 105 km (66 mi): A minor earthquake, felt in Anchorage, was located in the Cook Inlet region of Alaska about 28 mi ( 45 km) SW of Skwentna 45 mi ( 73 km) NNW of Tyonek 56 mi ( 90 km) W of Willow 68 mi (109 km) WNW of Anchorage 70 mi (113 km) WNW of Elmendorf AFB March 10 at 07:45 UTC (March 9 at 10:45 pm AST), mb 4.6, 51 N 55', 168 W 16', depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Fox Islands region of Alaska about 75 mi (120 km) SSE of Nikolski 153 mi (246 km) SSW of Unalaska 155 mi (249 km) SSW of Dutch Harbor 162 mi (261 km) E of Amukta Pass 185 mi (298 km) SW of Akutan March 10 at 18:13 UTC (09:13 am AST), ML 4.2, 61 N 47', 151 W 57', depth = 125 km (78 mi): A light earthquake, felt lightly in Skwentna, Talkeetna, and Anchorage, was located in the Cook Inlet region of Alaska about 28 mi ( 45 km) WSW of Skwentna 57 mi ( 92 km) NNW of Tyonek 63 mi (102 km) W of Willow 71 mi (114 km) WSW of Talkeetna 79 mi (127 km) WNW of Anchorage _____________________________________________________________________________________________________________________________________________________ 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 _____________________________________________________________________________________________________________________________________________________ 99 3 8 1 40 30.67 61 29.74N 146 38.00W 17.2 1.6 0.26 1.03 2.39 65 15 7 38 A E PR WILLIAM SOUND. 99 3 8 3 13 1.80 59 0.32N 152 49.02W 61.3 2.9 0.13 1.66 3.71 94 18 11 48 B E COOK INLET. 99 3 8 3 54 36.01 61 21.07N 147 9.46W 19.5 1.3 0.15 1.06 5.99 85 15 9 38 C E PR WILLIAM SOUND. 99 3 8 4 18 9.36 61 49.11N 151 5.60W 59.1 2.8 0.31 1.78 4.11 75 17 9 67 B E COOK INLET. 99 3 8 4 24 56.53 60 26.99N 147 43.07W 10.0 1.6 0.13 0.82 2.04 95 14 8 46 A E PR WILLIAM SOUND. 99 3 8 8 30 12.15 61 28.10N 150 0.99W 36.6 1.8 0.24 1.89 2.60 141 16 6 22 B E COOK INLET. 99 3 8 10 59 48.87 60 0.97N 151 31.34W 61.7 4.0 0.26 0.86 2.65 55 21 12 13 B E KENAI PEN. 99 3 8 11 25 18.22 60 32.43N 147 25.05W 14.9 1.5 0.14 1.01 5.30 96 14 6 42 C E PR WILLIAM SOUND. 99 3 8 13 3 49.20 58 15.64N 151 33.99W 14.5 3.8 0.22 3.45 4.97 179 16 8 62 B E KODIAK IS REG. 99 3 8 13 6 50.55 54 45.80N 164 10.88W 1.9 1.5 0.18 1.83 2.36 128 8 5 4 A E UNIMAK IS. 99 3 8 13 48 50.00 62 7.19N 149 29.07W 50.8 2.0 0.28 2.07 4.52 106 15 7 49 B E CENTRAL AK. 99 3 8 14 8 35.64 60 24.83N 150 50.95W 64.5 2.3 0.22 1.03 3.41 98 17 11 42 B E KENAI PEN. 99 3 8 15 55 53.55 59 59.96N 148 5.84W 21.6 2.0 0.17 3.78 2.21 230 15 7 14 B E KENAI PEN. 99 3 8 17 10 4.30 60 12.40N 151 9.12W 64.1 1.7 0.19 1.95 4.51 69 13 8 20 B E KENAI PEN. 99 3 8 19 30 56.66 62 31.67N 149 13.24W 60.3 1.8 0.18 1.75 4.18 71 14 10 54 B E CENTRAL AK. 99 3 8 22 32 27.64 63 40.81N 146 36.18W 14.3 2.4 0.41 0.99 1.65 97 14 8 52 A E CENTRAL AK. 99 3 9 6 33 37.39 62 1.95N 151 12.90W 66.6 2.3 0.11 5.31 11.28 83 15 3 64 D E CENTRAL AK. 99 3 9 7 23 50.96 61 50.70N 148 57.08W 40.4 1.9 0.15 4.03 4.16 66 16 6 8 B E PR WILLIAM SOUND. 99 3 9 7 32 28.66 61 11.91N 151 37.35W 69.2 1.7 0.36 10.07 16.34 75 15 5 55 D E COOK INLET. 99 3 9 12 18 43.22 62 47.87N 149 2.50W 64.2 2.3 0.16 2.04 4.44 61 14 7 36 B E CENTRAL AK. 99 3 9 12 48 6.27 60 56.80N 147 1.74W 25.9 0.6 0.09 3.03 4.82 73 10 5 8 B E PR WILLIAM SOUND. 99 3 9 14 11 29.86 61 21.82N 151 37.71W 64.6 2.2 0.15 4.98 17.35 82 14 3 72 D E COOK INLET. 99 3 9 14 22 5.21 56 3.19N 153 57.43W 0.0G 4.2 0.41 17.82 27.63 196 17 7 209 D E KODIAK IS REG. 99 3 9 14 42 58.03 61 40.15N 150 8.70W 41.1 2.8 0.11 1.75 2.02 58 17 7 14 A E COOK INLET. 99 3 9 19 13 52.85 51 4.26N 176 51.00W 33.0N 4.1mb R ANDREANOF ISLS. 99 3 9 19 31 43.24 59 47.90N 153 34.02W 126.1 2.5 0.25 4.54 7.22 86 19 8 25 C E COOK INLET. 99 3 9 19 44 5.51 61 39.12N 151 43.88W 105.4 3.8 0.13 3.13 11.85 49 20 5 98 D E COOK INLET. 99 3 10 2 19 47.52 59 32.83N 151 19.67W 13.7 2.1 0.23 1.42 1.02 96 19 17 6 A E KENAI PEN. 99 3 10 5 41 58.84 61 43.89N 150 27.05W 0.2 2.0 0.46 2.23 3.44 96 14 11 32 B E COOK INLET. 99 3 10 6 0 39.38 60 21.38N 152 7.55W 77.6 2.4 0.41 1.74 3.04 76 18 13 36 B E COOK INLET. 99 3 10 7 45 53.76 51 55.26N 168 15.54W 33.0N 4.6mb R FOX ISLS. 99 3 10 8 4 23.93 64 8.60N 148 46.56W 0.0 1.8 0.38 0.84 22.19 78 15 10 34 D E CENTRAL AK. 99 3 10 8 5 17.46 61 54.41N 149 10.06W 47.3 0.8 0.18 6.88 4.27 268 7 5 20 C E COOK INLET. 99 3 10 8 12 52.91 62 59.43N 150 58.91W 109.7 3.0 0.22 3.09 4.46 69 18 6 62 B E CENTRAL AK. 99 3 10 10 7 16.76 63 19.92N 149 34.43W 102.3 2.5 0.24 2.82 2.13 55 18 7 37 B E CENTRAL AK. 99 3 10 11 37 29.75 60 46.10N 146 44.98W 23.2 2.9 0.27 1.16 1.11 56 17 9 9 A E PR WILLIAM SOUND. 99 3 10 13 0 44.28 62 6.20N 148 55.98W 14.3 2.0 0.30 1.08 1.43 71 15 12 37 A E CENTRAL AK. 99 3 10 18 13 10.53 61 47.26N 151 57.28W 125.3 4.2 0.31 1.73 5.84 67 19 8 111 C E COOK INLET. 99 3 10 22 25 41.68 55 17.68N 162 18.23W 140.3 3.1 0.23 3.92 2.60 128 15 10 16 B E ALASKA PEN. 99 3 10 22 31 38.84 63 30.77N 149 44.10W 8.8 2.2 0.22 1.12 1.46 70 17 12 28 A E CENTRAL AK. 99 3 11 0 15 32.37 60 7.55N 147 51.68W 14.2 3.3 0.17 2.95 2.58 60 15 6 10 B E PR WILLIAM SOUND. 99 3 11 3 53 39.33 60 30.45N 152 42.67W 94.2 2.4 0.21 4.15 7.11 68 14 4 2 C E COOK INLET. 99 3 11 5 15 7.87 59 59.67N 152 42.54W 91.8 3.3 0.11 1.50 3.56 52 22 5 17 B E COOK INLET. 99 3 11 11 31 14.50 61 31.07N 147 52.34W 32.5 1.3 0.13 3.54 7.55 76 15 6 33 C E PR WILLIAM SOUND. 99 3 11 14 5 32.02 61 0.52N 150 41.50W 10.2 1.8 0.28 3.68 6.58 82 15 6 33 C E COOK INLET. 99 3 11 14 19 37.25 61 32.57N 151 2.35W 68.1 2.7 0.12 3.66 5.39 54 18 6 62 C E COOK INLET. 99 3 11 17 48 38.17 59 38.53N 152 47.45W 80.1 2.0 0.11 5.07 9.46 71 13 5 25 C E COOK INLET. 99 3 11 21 13 46.22 60 37.65N 151 55.41W 80.0 2.2 0.23 2.70 5.05 62 15 4 40 C E KENAI PEN. 99 3 11 21 32 48.80 60 17.19N 151 49.79W 56.5 2.0 0.19 5.27 8.25 68 14 5 40 C E KENAI PEN. 99 3 11 23 6 28.27 60 9.87N 152 41.85W 82.9 2.4 0.13 3.96 5.38 61 14 6 17 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 _____________________________________________________________________________________________________________________________________________________ 99 3 11 23 17 23.40 63 8.81N 147 43.51W 12.6 2.3 0.19 3.88 3.07 84 17 3 19 B E CENTRAL AK. 99 3 12 2 0 39.36 63 15.64N 151 4.45W 5.7 2.4 0.23 1.64 1.64 101 17 8 33 A E CENTRAL AK. 99 3 12 3 26 15.62 61 47.28N 149 52.49W 37.6 2.0 0.26 1.59 2.75 81 17 9 15 B E COOK INLET. 99 3 12 3 40 4.74 60 8.36N 147 48.79W 2.2 1.9 0.12 2.68 4.07 178 15 8 85 B E PR WILLIAM SOUND. 99 3 12 5 2 23.33 61 30.45N 147 49.49W 28.1 1.7 0.28 0.65 2.55 39 18 8 35 B E PR WILLIAM SOUND. 99 3 12 8 39 43.85 58 24.21N 151 59.71W 53.7 2.9 0.33 1.84 2.76 149 16 10 33 B E KODIAK IS REG. 99 3 12 14 23 17.53 62 52.64N 150 32.57W 90.9 2.8 0.20 1.33 2.45 72 19 12 47 A E CENTRAL AK. 99 3 12 16 1 51.57 64 47.25N 148 59.96W 23.7 2.7 0.20 0.99 0.74 103 15 10 24 A E CENTRAL AK. 99 3 13 3 4 3.04 57 49.81N 153 19.91W 52.6 2.6 0.09 5.72 18.67 152 17 5 51 D E KODIAK IS REG. 99 3 13 3 34 31.79 60 12.64N 151 8.14W 61.3 1.8 0.14 3.87 9.24 93 14 3 20 C E KENAI PEN. 99 3 13 3 35 44.87 63 21.92N 149 38.82W 96.6 2.1 0.16 5.90 8.56 75 11 4 33 C E CENTRAL AK. 99 3 13 4 7 20.98 61 25.16N 150 4.92W 34.8 2.0 0.17 4.70 6.20 63 18 6 28 C E COOK INLET. 99 3 13 5 5 0.84 61 1.73N 147 26.93W 35.3 1.2 0.16 3.94 5.79 61 15 5 24 C E PR WILLIAM SOUND. 99 3 13 14 54 40.99 60 11.58N 153 3.27W 114.9 2.0 0.14 3.08 4.49 85 14 4 14 B E COOK INLET. 99 3 13 14 58 52.06 63 4.65N 149 35.95W 81.9 2.1 0.18 4.88 8.48 51 11 5 11 C E CENTRAL AK. 99 3 13 21 53 14.40 59 44.85N 152 37.00W 75.4 1.9 0.15 4.86 12.33 67 10 4 34 D E COOK INLET. 99 3 13 21 55 28.92 62 40.30N 150 19.06W 78.6 2.2 0.18 5.80 6.33 67 15 6 30 C E CENTRAL AK. 99 3 13 22 4 12.66 59 50.22N 139 39.32W 0.0 1.7 0.12 4.47 3.23 182 13 4 13 B E YAKUTAT BAY. 99 3 14 1 36 46.42 60 10.21N 152 38.12W 1.5 1.2 0.18 1.73 99.00 214 10 8 21 D E COOK INLET. 99 3 14 1 40 44.11 60 21.55N 152 28.31W 99.0 2.1 0.17 2.82 4.75 81 14 7 18 B E COOK INLET. 99 3 14 4 9 17.69 62 5.74N 151 58.61W 118.6 1.7 0.18 6.40 10.78 184 10 3 93 D E CENTRAL AK. 99 3 14 5 15 28.97 59 48.11N 151 53.56W 64.4 2.5 0.19 1.52 2.79 54 17 16 21 B E KENAI PEN. 99 3 14 8 54 17.46 60 8.94N 152 51.56W 103.9 2.8 0.26 2.32 2.87 70 19 13 9 B E COOK INLET. 99 3 14 9 37 28.35 60 24.41N 146 50.06W 24.0 1.7 0.14 0.88 2.15 124 15 7 38 A E PR WILLIAM SOUND. 99 3 14 11 39 8.86 60 29.30N 150 54.27W 56.2 1.8 0.14 2.61 8.41 90 14 10 34 C E KENAI PEN. 99 3 14 12 21 20.36 61 25.93N 151 8.58W 64.9 2.0 0.41 3.15 6.08 78 16 11 60 C E COOK INLET. 99 3 14 12 21 57.67 58 26.24N 152 42.54W 53.2 2.5 0.20 2.90 3.34 127 15 7 27 B E KODIAK IS REG. 99 3 14 12 21 58.16 58 27.81N 152 46.23W 47.1 2.6 0.22 2.48 4.55 115 17 12 27 B E KODIAK IS REG. 99 3 14 12 28 54.17 61 57.79N 149 51.65W 35.0 2.1 0.35 1.85 4.60 66 18 11 35 B E COOK INLET. 99 3 14 16 28 54.02 60 7.44N 152 0.57W 69.2 2.3 0.25 1.99 2.51 75 15 12 41 B E COOK INLET. 99 3 14 19 54 43.08 60 8.50N 150 51.21W 39.9 2.0 0.24 1.13 4.22 90 15 10 27 B E KENAI PEN. 99 3 14 20 0 11.58 62 48.95N 150 8.94W 78.1 2.1 0.20 3.02 3.94 60 18 8 32 B E CENTRAL AK. 99 3 14 21 31 4.70 53 36.83N 164 34.87W 9.0 3.6 0.32 12.38 14.62 231 17 12 92 D E UNIMAK IS. 99 3 14 23 31 37.27 64 52.87N 150 31.82W 24.4 3.1 0.32 1.62 4.77 115 16 9 19 B E CENTRAL AK.