Issued: May 31, 1999 Prepared by: Lalitha Rao No. 21- 99 The following is a list of significant earthquakes during the time period May 24 - 30, 1999 May 24 at 05:22 UTC( May 23, 09:22 pm ADT), ML 4.2, 60 N 10', 139 W 19', depth = 0 km (0 mi): A light earthquake, felt at Yakutat, was located in the Yakutat Bay region of Alaska about 46 mi ( 74 km) NNE of Yakutat 68 mi (110 km) S of Burwash Landing 73 mi (118 km) WSW of Haines Junction 83 mi (133 km) ENE of Icy Bay 108 mi (173 km) E of Cape Yakataga May 25 at 06:02 UTC (May 24, 10:02 pm ADT), mb 4.1, 51 N 2', 178 E 19', depth fixed at 33 km (21 mi): A light earthquake was located by NEIC in the Rat Islands region of Alaska about 45 mi ( 72 km) SW of Amchitka 137 mi (221 km) SE of Buldir Is 214 mi (344 km) ESE of Shemya Is 225 mi (362 km) WSW of Adak 254 mi (409 km) ESE of Attu May 27 at 08:08 UTC (12:08 am ADT), ML 5.4, 58 N 57', 137 W 32', depth = 0 km (0 mi): A moderate earthquake, felt in Yakutat and Juneau, was located in southeastern Alaska about 66 mi (107 km) WSW of Klukwan 68 mi (110 km) NW of Elfin Cove 75 mi (121 km) WNW of Gustavus 78 mi (125 km) WSW of Haines 84 mi (135 km) NW of Pelican _______________________________________________________________________________________________________________________________________________________ DATE TIME LATITUDE LONGITUDE DEPTH PREF. RMS SEH SEZ GAP PHASES MIN Q T REGION, OTHER MAGNITUDES, FELT REPORTS AND COMMENTS YEAR MO DY HR MN SEC DEG MIN DEG MIN KM MAG SEC. KM KM DEG P S DIS _______________________________________________________________________________________________________________________________________________________ 1999 5 24 3 32 46.21 60 16.86N 152 13.19W 81.6 1.9 0.24 2.57 2.10 67 17 11 34 B E COOK INLET. 1999 5 24 5 22 34.41 60 10.13N 139 19.41W 0.0 4.2 0.51 2.92 2.26 165 16 7 30 B E YAKUTAT BAY. 1999 5 24 7 55 20.72 61 27.79N 149 14.29W 36.3 2.5 0.24 0.72 0.99 65 17 8 15 A E COOK INLET. 1999 5 24 8 53 20.85 65 8.48N 149 10.19W 7.3 1.8 0.21 1.64 1.97 173 8 5 49 A E N CENTRAL AK. 1999 5 24 9 8 10.38 60 10.86N 139 17.89W 0.0 2.7 0.71 2.19 1.72 166 15 10 32 A E YAKUTAT BAY. 1999 5 24 11 5 43.71 59 53.34N 152 47.60W 97.6 1.7 0.20 1.53 2.53 99 15 8 17 B E COOK INLET. 1999 5 24 11 41 35.58 63 5.17N 149 21.04W 79.8 2.3 0.21 1.02 1.75 92 13 9 44 A E CENTRAL AK. 1999 5 24 13 8 11.04 59 57.87N 152 11.53W 71.4 1.8 0.23 0.94 2.74 95 12 9 45 B E COOK INLET. 1999 5 24 14 11 55.77 63 2.54N 151 18.97W 10.7 1.9 0.20 1.26 3.58 188 8 7 60 B E CENTRAL AK. 1999 5 24 14 16 13.77 61 24.79N 151 58.97W 9.5 1.4 0.32 1.27 0.68 202 15 13 12 A E COOK INLET. 1999 5 24 16 1 3.47 64 35.06N 147 5.82W 14.9 2.1 0.41 0.85 0.91 120 11 6 21 A E CENTRAL AK. 1999 5 24 16 14 39.22 61 44.49N 150 12.90W 34.0 1.4 0.43 1.85 2.12 114 11 9 20 A E COOK INLET. 1999 5 24 17 9 17.30 61 49.28N 150 38.79W 68.0 1.8 0.25 1.70 3.54 140 12 9 45 B E COOK INLET. 1999 5 24 18 47 12.42 61 28.19N 151 57.08W 13.5 0.5 0.34 1.31 1.90 323 7 6 18 A E COOK INLET. 1999 5 24 20 22 42.58 61 29.73N 150 21.13W 15.4 1.6 3.64 1.59 2.01 158 12 8 31 A E COOK INLET. 1999 5 24 22 13 20.56 62 4.92N 150 25.59W 47.5 2.3 0.32 2.17 2.03 148 11 6 37 A E CENTRAL AK. 1999 5 24 22 29 30.34 62 23.25N 148 35.31W 13.6 1.7 0.28 1.43 4.88 110 12 9 66 B E CENTRAL AK. 1999 5 24 23 31 13.89 64 13.50N 148 30.79W 0.0 1.4 0.41 0.54 83.48 104 8 4 47 D E CENTRAL AK. 1999 5 25 1 52 43.22 60 52.70N 150 57.66W 69.5 1.9 0.52 2.13 3.70 109 21 7 21 B E KENAI PEN. 1999 5 25 2 49 27.00 62 27.71N 148 3.96W 5.8 2.1 0.22 1.11 4.80 44 15 6 74 B E CENTRAL AK. 1999 5 25 3 47 45.69 53 57.13N 164 18.57W 16.1 2.4 0.31 4.11 8.29 222 17 4 61 C E UNIMAK IS. 1999 5 25 6 2 47.58 51 2.28N 178 19.44E 33.0N 4.1mb R RAT ISLS. 1999 5 25 6 50 22.01 53 50.58N 163 46.85W 17.8 2.5 0.17 11.48 28.93 239 14 6 88 D E UNIMAK IS. 1999 5 25 9 55 58.83 62 3.95N 151 20.20W 87.6 1.9 0.22 5.74 10.93 74 19 6 67 D E CENTRAL AK. 1999 5 25 11 27 11.65 62 16.00N 141 26.76W 0.0 3.1 0.27 3.97 5.52 189 14 7 91 C E E CENTRAL AK. 1999 5 25 13 47 42.01 63 7.65N 150 33.31W 105.6 2.9 0.24 2.60 1.96 72 15 10 38 B E CENTRAL AK. 1999 5 25 16 28 32.63 61 19.11N 152 14.91W 1.4 0.3 0.04 1.40 5.70 223 7 6 6 C a COOK INLET. 1999 5 25 17 36 23.34 62 13.75N 151 0.92W 64.3 1.5 0.16 6.71 7.37 147 14 7 43 C E CENTRAL AK. 1999 5 25 17 49 31.07 61 21.12N 147 18.34W 20.0 0.7 0.12 1.52 3.38 79 15 6 31 B E PR WILLIAM SOUND. 1999 5 25 19 56 40.13 60 25.36N 152 33.86W 99.2 2.6 0.35 1.90 2.82 54 29 10 11 B E COOK INLET. 1999 5 25 23 36 59.55 62 0.49N 150 56.82W 59.8 1.7 0.28 4.11 7.69 70 18 5 57 C E CENTRAL AK. 1999 5 26 0 56 30.05 61 45.83N 149 33.08W 36.6 1.6 0.34 0.85 1.41 112 12 10 21 A E COOK INLET. 1999 5 26 1 1 57.65 60 39.42N 147 42.78W 11.4 1.5 0.29 0.75 1.28 91 15 9 41 A E PR WILLIAM SOUND. 1999 5 26 1 29 17.20 60 16.57N 151 46.13W 59.3 2.6 0.36 0.79 1.65 62 18 10 37 A E KENAI PEN. 1999 5 26 1 53 59.13 60 17.77N 151 42.65W 70.2 1.5 0.60 1.44 1.97 89 13 10 49 A E KENAI PEN. 1999 5 26 5 13 28.20 59 59.00N 153 35.05W 142.8 1.7 0.27 3.53 3.32 211 12 7 30 B E COOK INLET. 1999 5 26 6 39 20.57 60 6.20N 152 32.76W 94.5 1.7 0.22 0.90 1.42 87 15 8 23 A E COOK INLET. 1999 5 26 9 6 48.29 62 0.42N 147 33.91W 39.0 1.6 0.42 0.87 1.09 112 15 10 23 A E CENTRAL AK. 1999 5 26 12 54 53.94 60 41.49N 147 26.03W 3.1 1.0 0.38 0.89 1.88 99 12 7 28 A E PR WILLIAM SOUND. 1999 5 26 14 31 4.83 60 50.93N 147 41.46W 11.8 1.3 0.28 0.59 0.98 79 13 6 33 A E PR WILLIAM SOUND. 1999 5 26 16 26 18.41 61 56.22N 150 40.55W 66.8 1.1 0.25 5.42 9.12 165 10 4 56 C E COOK INLET. 1999 5 26 17 0 21.23 60 44.01N 150 14.28W 22.9 1.9 0.21 0.91 2.16 80 14 9 55 A E KENAI PEN. 1999 5 26 17 3 0.98 55 17.29N 159 38.18W 0.0 2.6 0.15 3.96 2.29 295 8 7 47 B E ALASKA PEN. 1999 5 26 17 47 3.42 61 1.41N 147 18.27W 25.9 0.7 0.14 0.86 2.70 110 12 6 20 B E PR WILLIAM SOUND. 1999 5 26 17 58 20.09 61 26.81N 151 30.34W 69.4 1.4 0.24 4.34 2.03 143 17 9 31 B E COOK INLET. 1999 5 26 18 40 54.80 62 6.35N 151 31.51W 89.3 1.9 0.31 2.16 2.81 138 15 9 73 B E CENTRAL AK. 1999 5 26 20 34 43.64 61 41.37N 150 12.13W 44.1 1.8 0.28 1.03 1.22 109 16 14 18 A E COOK INLET. 1999 5 27 0 7 34.59 60 35.64N 142 45.08W 17.1 2.3 0.52 0.63 0.87 50 15 12 19 A E CAPE YAKATAGA. 1999 5 27 0 25 45.69 59 50.65N 151 58.47W 58.4 1.6 0.25 1.82 1.81 132 10 8 55 A E KENAI PEN. 1999 5 27 2 46 17.97 62 3.95N 150 21.48W 1.7 1.9 0.63 2.28 3.60 124 15 7 38 B E CENTRAL AK. _______________________________________________________________________________________________________________________________________________________ DATE TIME LATITUDE LONGITUDE DEPTH PREF. RMS SEH SEZ GAP PHASES MIN Q T REGION, OTHER MAGNITUDES, FELT REPORTS AND COMMENTS YEAR MO DY HR MN SEC DEG MIN DEG MIN KM MAG SEC. KM KM DEG P S DIS _______________________________________________________________________________________________________________________________________________________ 1999 5 27 3 33 48.36 63 14.94N 151 17.71W 11.7 3.0 0.56 0.97 0.87 104 15 9 39 A E CENTRAL AK. 1999 5 27 4 7 28.61 60 46.58N 151 43.53W 80.2 1.7 0.20 6.02 5.46 100 13 7 43 C E KENAI PEN. 1999 5 27 4 47 28.23 62 23.75N 151 7.74W 86.8 2.2 0.37 1.39 3.39 80 17 6 44 B E CENTRAL AK. 1999 5 27 5 0 20.26 59 59.61N 151 55.67W 76.3 1.4 0.24 2.48 3.68 137 10 6 58 B E KENAI PEN. 1999 5 27 6 11 44.83 59 57.81N 153 35.69W 147.1 2.0 0.25 6.38 4.84 148 12 5 32 C E COOK INLET. 1999 5 27 8 8 58.85 58 56.91N 137 32.39W 0.0 5.4 0.15 99.00 98.14 332 15 0 163 D SOUTHEASTERN AK. 1999 5 27 9 4 39.92 60 3.22N 153 27.33W 158.3 2.4 0.30 2.47 1.56 151 15 9 21 A E COOK INLET. 1999 5 27 9 29 45.24 62 55.59N 151 14.46W 121.7 1.9 0.17 3.60 4.38 174 15 7 72 B E CENTRAL AK. 1999 5 27 10 0 46.01 59 45.72N 152 25.54W 85.1 1.6 0.25 1.58 1.73 121 15 12 42 A E COOK INLET. 1999 5 27 10 15 46.04 61 31.52N 149 43.14W 34.5 1.1 0.30 1.89 1.72 88 15 4 16 A E COOK INLET. 1999 5 27 12 38 33.54 59 44.31N 152 31.38W 71.1 2.2 0.18 1.61 4.06 84 13 9 39 B E COOK INLET. 1999 5 27 14 47 49.28 60 0.93N 153 26.21W 133.9 2.6 0.23 2.20 3.87 145 13 5 20 B E COOK INLET. 1999 5 27 15 9 13.82 60 2.89N 153 3.97W 113.7 2.4 0.27 1.78 1.83 122 17 15 1 A E COOK INLET. 1999 5 27 15 17 35.03 60 45.42N 150 51.77W 7.1 1.4 0.14 1.60 2.29 86 15 8 80 A E KENAI PEN. 1999 5 27 15 57 54.27 60 5.32N 152 38.92W 104.8 2.0 0.17 1.38 2.33 83 14 11 17 A E COOK INLET. 1999 5 27 17 57 19.21 61 57.00N 149 57.04W 46.5 1.7 0.37 1.06 2.09 112 14 9 34 A E COOK INLET. 1999 5 27 18 33 4.21 62 12.47N 148 36.10W 39.5 1.6 0.17 1.72 4.94 108 12 7 47 B E CENTRAL AK. 1999 5 27 19 11 29.93 62 15.52N 152 7.35W 8.8 1.9 0.21 2.80 5.23 105 15 8 97 C E CENTRAL AK. 1999 5 27 20 5 32.84 53 34.16N 164 39.68W 35.5 3.3 0.52 13.75 95.01 220 17 9 91 D E UNIMAK IS. 1999 5 27 20 9 56.82 59 56.57N 151 54.71W 56.7 2.4 0.22 1.80 4.37 94 14 11 60 B E KENAI PEN. 1999 5 27 22 20 42.07 58 38.74N 142 42.61W 10.0G 2.5 0.25 10.19 17.99 282 11 4 161 D E GULF OF ALASKA. 1999 5 28 0 29 0.36 60 50.34N 151 29.15W 65.6 1.9 0.16 7.40 6.80 269 8 6 49 C E KENAI PEN. 1999 5 28 6 57 27.89 63 11.58N 149 56.17W 96.7 2.1 0.19 2.21 3.04 138 16 4 28 B E CENTRAL AK. 1999 5 28 6 59 54.91 61 53.65N 148 52.75W 12.9 1.7 0.45 0.64 0.65 60 13 7 14 A E PR WILLIAM SOUND. 1999 5 28 12 35 30.25 59 27.63N 153 20.66W 106.7 1.6 0.13 5.74 4.10 91 15 4 15 C E COOK INLET. 1999 5 28 13 13 49.67 59 12.31N 152 37.59W 17.4 2.4 0.25 0.88 1.47 103 15 9 48 A E COOK INLET. 1999 5 28 16 0 57.95 63 34.05N 150 38.07W 15.4 2.3 0.43 0.90 1.36 95 11 8 14 A E CENTRAL AK. 1999 5 28 19 43 12.96 62 45.22N 149 38.18W 73.3 2.2 0.24 1.43 1.46 117 13 10 25 A E CENTRAL AK. 1999 5 28 19 58 51.07 60 16.98N 152 36.63W 104.4 2.5 0.21 1.90 3.11 104 15 9 18 B E COOK INLET. 1999 5 28 20 51 55.75 61 57.03N 150 55.48W 70.0 1.7 0.27 1.61 3.29 143 13 4 61 B E COOK INLET. 1999 5 28 21 27 28.42 62 9.94N 148 34.43W 38.6 1.4 0.44 1.27 2.58 103 12 6 42 B E CENTRAL AK. 1999 5 28 21 44 23.47 62 39.88N 149 6.06W 64.5 2.1 0.23 1.05 1.77 77 14 12 44 A E CENTRAL AK. 1999 5 29 1 37 19.13 61 6.30N 149 35.25W 39.2 1.2 0.20 2.48 3.95 88 13 8 8 B E COOK INLET. 1999 5 29 3 21 58.05 62 17.86N 152 9.91W 140.5 2.1 0.27 12.98 13.06 250 13 4 99 D R CENTRAL AK. 1999 5 29 4 56 26.94 64 54.29N 147 21.90W 15.3 2.4 0.29 0.57 0.93 74 11 9 9 A E CENTRAL AK. 1999 5 29 4 58 25.03 61 21.16N 147 19.17W 24.7 1.2 0.16 1.12 2.25 78 11 7 31 A E PR WILLIAM SOUND. 1999 5 29 7 28 56.70 60 59.73N 148 11.41W 27.6 1.2 0.28 0.89 2.19 70 11 6 17 A E KENAI PEN. 1999 5 29 8 28 41.78 59 48.54N 152 12.41W 79.8 1.2 0.20 12.91 10.65 251 10 4 51 D E COOK INLET. 1999 5 29 8 30 33.79 59 33.75N 146 35.76W 0.0 2.3 0.38 4.10 4.44 237 16 10 88 B E GULF OF ALASKA. 1999 5 29 8 56 39.45 60 25.45N 147 40.52W 10.3 1.1 0.23 1.40 4.49 111 10 8 44 B E PR WILLIAM SOUND. 1999 5 29 9 29 27.20 61 31.81N 151 7.97W 74.6 1.3 0.17 10.93 5.15 326 9 7 53 D E COOK INLET. 1999 5 29 10 5 32.77 61 32.20N 150 37.37W 56.4 2.5 0.32 1.22 1.83 126 16 13 42 A E COOK INLET. 1999 5 29 13 2 58.18 61 57.38N 149 3.78W 15.1 1.0 0.28 1.01 3.94 164 6 5 22 B E COOK INLET. 1999 5 29 13 6 56.09 61 28.81N 146 39.91W 13.1 1.6 0.17 0.64 1.26 62 14 10 40 A E PR WILLIAM SOUND. 1999 5 29 14 9 1.78 61 24.62N 149 9.81W 36.8 1.4 0.27 1.29 1.80 67 15 10 20 A E COOK INLET. 1999 5 29 16 58 33.64 62 45.54N 149 45.03W 68.1 2.0 0.17 1.44 1.39 127 15 10 25 A E CENTRAL AK. 1999 5 29 20 27 34.96 60 20.61N 150 55.70W 62.1 2.6 0.45 2.00 5.13 78 15 14 48 C E KENAI PEN. 1999 5 29 21 30 46.32 61 35.19N 146 37.25W 13.6 1.8 0.59 1.80 4.75 44 19 19 39 B E PR WILLIAM SOUND. 1999 5 29 23 0 30.13 59 51.30N 150 55.32W 27.4 2.5 0.38 6.13 55.46 179 18 10 115 D E KENAI PEN. 1999 5 29 23 4 52.17 54 5.36N 164 8.66W 11.9 3.4 0.67 3.46 5.23 213 19 13 51 C E UNIMAK IS. _______________________________________________________________________________________________________________________________________________________ DATE TIME LATITUDE LONGITUDE DEPTH PREF. RMS SEH SEZ GAP PHASES MIN Q T REGION, OTHER MAGNITUDES, FELT REPORTS AND COMMENTS YEAR MO DY HR MN SEC DEG MIN DEG MIN KM MAG SEC. KM KM DEG P S DIS _______________________________________________________________________________________________________________________________________________________ 1999 5 29 23 22 20.24 64 43.71N 148 51.93W 15.3 2.0 0.36 3.24 2.50 118 14 13 20 B E CENTRAL AK. 1999 5 29 23 47 25.30 61 53.61N 150 54.25W 73.5 1.6 0.22 5.36 9.24 157 16 16 61 C E COOK INLET. 1999 5 29 23 53 55.05 61 34.70N 150 34.34W 39.4 1.9 0.17 5.72 12.86 106 23 20 38 D E COOK INLET. 1999 5 29 23 55 27.11 61 17.26N 150 7.92W 40.3 1.9 0.26 3.31 4.55 79 21 18 14 B E COOK INLET. 1999 5 29 23 58 13.79 62 2.55N 149 14.58W 31.8 1.7 0.28 3.08 5.66 113 19 18 34 C E CENTRAL AK.