Issued: July 2, 1998 Prepared by: Nan Macgregor-Scott No. 24 - 98 The following is a list of significant earthquakes during the time period June 22 - 28, 1998 June 22 at 21:10 UTC (01:10 pm ADT), ML 4.5, 54 N 4Õ, 164 W 6Õ, depth = 18 km (11 mi): A light earthquake was located in the Unimak Island region of Alaska about 61 mi ( 99 km) SSW of False Pass 68 mi (110 km) E of Akutan 96 mi (154 km) SW of Cold Bay 99 mi (160 km) E of Dutch Harbor 100 mi (161 km) SW of King Cove June 23 at 15:21 UTC (07:21 am ADT), mb 4.9, 52 N 9Õ, 178 E 2Õ, depth = 143 km (89 mi): A light earthquake was located by NEIC in the Rat Islands region of Alaska about 60 mi ( 96 km) NW of Amchitka 90 mi (145 km) E of Buldir Is 170 mi (273 km) ESE of Shemya Is 209 mi (337 km) ESE of Attu 228 mi (367 km) W of Adak June 25 at 22:51 UTC (02:51 pm ADT), mb 5.1, 50 N 13Õ, 130 W 3Õ, depth fixed at 33 km (21 mi): A moderate earthquake was located by NEIC in the Vancouver Island region about 282 mi (454 km) S of Prince Rupert 310 mi (499 km) SSE of Dixon Entrance 326 mi (525 km) SSW of Houston 341 mi (548 km) SSW of Smithers 345 mi (556 km) SSE of Metlakatla June 26 at 10:09 UTC (02:09 am ADT), ML 3.8, 59 N 2Õ, 145 W 31Õ, depth = 10 km (6 mi): A minor earthquake was located beneath the Gulf of Alaska about 40 mi ( 64 km) SE of Middleton Island 104 mi (168 km) S of Cordova 130 mi (209 km) WSW of Cape Yakataga 132 mi (213 km) SSE of Tatitlek 147 mi (237 km) SSE of Valdez June 26 at 12:05 UTC (04:05 am ADT), ML 4.3, 52 N 51Õ, 168 W 42Õ, depth = 22 km (14 mi): A light earthquake was located in the Fox Islands region of Alaska about 9 mi ( 14 km) SE of Nikolski 114 mi (183 km) SW of Unalaska 115 mi (185 km) SW of Dutch Harbor 143 mi (231 km) ENE of Amukta Pass 150 mi (241 km) SW of Akutan June 26 at 12:10 UTC (04:10 am ADT), ML 4.4, 52 N 59Õ, 168 W 43Õ, depth = 0 km (0 mi): A light earthquake was located in the Fox Islands region of Alaska about 7 mi ( 12 km) ENE of Nikolski 109 mi (175 km) WSW of Unalaska 110 mi (178 km) WSW of Dutch Harbor 145 mi (233 km) ENE of Amukta Pass 145 mi (234 km) WSW of Akutan _____________________________________________________________________________________________________________________________________________________ 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 6 22 1 14 41.20 63 50.28N 149 4.53W 111.5 1.9 0.23 6.60 9.70 78 15 4 14 C E CENTRAL AK. 98 6 22 1 30 50.98 60 2.58N 151 45.45W 5.2 1.1 0.28 5.75 11.27 71 8 3 26 D E KENAI PEN. 98 6 22 6 30 3.79 62 15.57N 150 29.20W 61.5 2.2 0.22 5.89 5.48 64 14 4 20 C E CENTRAL AK. 98 6 22 6 59 59.72 60 24.02N 152 8.51W 77.7 0.14 6.44 11.68 70 12 4 34 D E COOK INLET. 98 6 22 7 39 51.82 59 19.57N 150 59.98W 41.1 3.2 0.18 2.90 3.32 121 16 3 26 B E KENAI PEN. 98 6 22 19 6 46.62 59 40.14N 152 23.41W 66.9 2.2 0.16 3.65 6.76 60 12 6 42 C E COOK INLET. 98 6 22 19 7 23.40 61 27.68N 146 39.09W 31.7 1.4 0.09 2.15 11.12 85 11 5 39 D E PR WILLIAM SOUND. 98 6 22 20 53 18.49 59 43.87N 148 46.02W 14.3 2.6 0.15 4.98 15.80 123 14 3 56 D E KENAI PEN. 98 6 22 21 10 17.13 54 3.66N 164 6.06W 18.1 4.5 0.18 7.53 26.61 213 15 3 79 D E UNIMAK IS. 98 6 23 6 6 36.00 63 40.08N 143 45.99W 9.1 2.7 0.34 2.37 2.22 146 16 5 15 A E E CENTRAL AK. 98 6 23 12 54 19.39 59 53.72N 152 42.52W 86.2 2.7 0.22 1.03 2.22 43 29 17 21 A E COOK INLET. 98 6 23 14 25 20.08 59 45.04N 153 12.67W 106.4 2.3 0.09 10.32 5.00 168 16 7 11 D E COOK INLET. 98 6 23 15 16 35.57 61 17.15N 147 39.97W 13.2 2.0 0.29 0.64 1.81 59 16 11 45 A E PR WILLIAM SOUND. 98 6 23 15 21 8.20 52 8.82N 178 1.56E 142.7 4.9mb R RAT ISLS. 98 6 23 18 18 11.29 62 53.27N 149 40.45W 73.1 2.1 0.26 1.39 2.70 71 17 12 10 B E CENTRAL AK. 98 6 23 20 0 6.03 62 57.56N 150 35.05W 113.7 2.4 0.12 3.52 3.32 180 16 8 48 B E CENTRAL AK. 98 6 23 22 37 55.86 63 17.18N 151 0.36W 18.3 3.4 0.17 2.02 1.14 100 18 8 30 A E CENTRAL AK. 98 6 23 22 42 31.20 58 11.40N 155 16.53W 0.8 -0.2 0.06 3.65 9.80 122 6 1 4 C a ALASKA PEN. 98 6 23 23 16 2.57 59 21.07N 153 25.31W 0.0 -0.5 0.14 14.47 40.45 330 4 4 1 D a COOK INLET. 98 6 23 23 49 17.75 60 2.79N 153 1.15W 0.3 -0.3 0.14 4.05 8.65 136 5 4 3 C a COOK INLET. 98 6 24 1 39 52.61 62 48.97N 150 0.79W 45.7 1.6 0.20 9.97 59.62 161 6 3 122 D E CENTRAL AK. 98 6 24 4 35 30.92 60 44.42N 151 29.99W 73.2 0.26 7.19 18.65 137 10 4 58 D E KENAI PEN. 98 6 24 8 43 42.57 64 38.21N 147 59.36W 14.6 1.8 0.39 1.00 2.80 83 11 5 27 B E CENTRAL AK. 98 6 24 13 39 2.95 62 25.61N 151 23.67W 85.5 3.0 0.34 3.46 4.24 210 11 7 50 B E CENTRAL AK. 98 6 24 17 52 52.11 61 7.62N 151 26.35W 73.3 1.8 0.30 2.65 3.83 94 16 11 23 B E COOK INLET. 98 6 24 19 58 4.51 61 24.97N 146 38.74W 14.2 1.4 0.21 0.64 1.31 115 13 9 36 A E PR WILLIAM SOUND. 98 6 24 20 19 40.69 60 11.48N 152 57.39W 132.9 2.2 0.16 2.56 1.76 147 14 12 16 B E COOK INLET. 98 6 24 21 47 52.78 61 18.56N 150 39.04W 56.5 0.13 3.90 4.62 124 4 2 18 B E COOK INLET. 98 6 24 22 55 45.00 60 39.44N 152 56.23W 1.9 0.9 0.31 12.60 98.76 327 4 4 11 D a COOK INLET. 98 6 25 2 26 18.63 62 16.53N 149 42.16W 60.0 0.17 1.55 4.34 134 8 5 33 B E CENTRAL AK. 98 6 25 3 40 52.61 61 50.42N 149 28.55W 67.0 1.6 0.30 1.34 3.17 70 15 9 30 B E COOK INLET. 98 6 25 5 56 49.09 64 43.30N 149 15.69W 22.6 1.7 0.25 1.56 0.76 125 9 9 18 A E CENTRAL AK. 98 6 25 6 5 19.32 65 3.42N 148 25.20W 15.4 1.8 0.28 4.58 2.66 189 8 4 33 B E N CENTRAL AK. 98 6 25 7 43 36.77 63 1.02N 149 25.66W 75.7 2.1 0.22 1.72 2.98 71 16 11 11 B E CENTRAL AK. 98 6 25 8 45 57.15 60 5.73N 152 57.43W 116.6 2.7 0.29 1.29 2.37 60 29 17 2 A E COOK INLET. 98 6 25 17 16 52.70 62 23.86N 149 18.12W 56.4 2.5 0.31 1.19 3.43 69 16 14 50 B E CENTRAL AK. 98 6 25 21 28 48.92 63 9.31N 149 42.77W 97.8 3.2 0.19 1.55 2.38 69 18 13 20 A E CENTRAL AK. 98 6 25 21 28 48.87 63 9.11N 149 43.46W 98.2 3.0 0.17 1.54 2.64 61 15 12 20 B E CENTRAL AK. 98 6 25 22 51 58.50 50 13.20N 130 3.06W 33.0N 5.1mb R VANCOUVER IS. MS 4.8 (NEIS). 98 6 26 5 42 9.44 61 57.94N 149 5.78W 42.0 3.2 0.22 1.03 2.35 79 17 12 23 A E COOK INLET. 98 6 26 6 54 7.66 58 11.18N 155 18.65W 0.0 0.8 0.13 2.17 31.25 164 7 7 3 D a ALASKA PEN. 98 6 26 9 27 59.73 60 9.21N 147 49.95W 15.9 1.7 0.10 7.05 6.57 72 10 4 13 C E PR WILLIAM SOUND. 98 6 26 10 9 45.58 59 2.47N 145 30.96W 10.0G 3.8 0.30 7.44 17.68 160 16 6 64 D E GULF OF ALASKA. 98 6 26 12 5 53.62 52 51.33N 168 41.99W 21.8 4.3 0.09 35.52 38.10 208 14 6 158 D E FOX ISLS. 98 6 26 12 10 11.87 52 59.34N 168 43.21W 0.0 4.4 0.12 42.34 40.81 200 14 2 150 D E FOX ISLS. 98 6 26 21 41 34.83 62 56.93N 150 48.89W 115.7 0.19 7.78 9.68 84 19 6 60 C E CENTRAL AK. 98 6 26 21 44 0.79 53 57.48N 163 13.11W 25.2 0.36 14.92 99.00 307 7 4 92 D E UNIMAK IS. 98 6 26 21 50 8.17 55 42.81N 160 50.63W 199.3 2.3 0.44 53.21 22.71 242 10 3 47 D E ALASKA PEN. 98 6 26 22 5 9.52 61 25.38N 150 9.47W 40.0 1.6 0.41 7.17 10.19 123 11 5 29 D E COOK INLET. 98 6 26 22 57 43.04 61 37.59N 142 34.90W 0.0 1.7 0.47 4.17 5.06 123 12 5 67 C E CAPE YAKATAGA. _____________________________________________________________________________________________________________________________________________________ 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 6 26 23 8 49.59 63 20.38N 151 2.91W 13.5 2.0 0.17 8.98 4.75 76 10 3 25 C E CENTRAL AK. 98 6 26 23 15 48.64 54 31.72N 161 37.04W 0.0 0.13 6.00 4.72 242 10 7 64 C E ALASKA PEN. 98 6 26 23 26 2.81 54 11.39N 163 38.46W 3.9 1.4 0.45 17.65 11.02 289 8 3 51 D E UNIMAK IS. 98 6 27 0 1 32.99 60 14.32N 152 55.69W 113.1 3.1 0.19 2.72 1.44 80 22 13 21 B E COOK INLET. 98 6 27 1 22 52.46 59 23.78N 153 31.19W 0.0 0.2 0.24 29.03 3.96 354 5 3 6 D a COOK INLET. 98 6 27 1 24 22.25 60 25.68N 151 41.13W 59.4 2.0 0.24 1.48 4.25 73 16 9 43 B E KENAI PEN. 98 6 27 11 23 53.98 60 40.06N 140 51.35W 0.0 1.1 0.37 2.65 5.33 177 6 5 42 C E YAKUTAT BAY. 98 6 27 17 51 33.55 60 2.00N 147 35.97W 25.9 0.31 3.37 2.66 195 11 7 14 B E PR WILLIAM SOUND. 98 6 27 21 40 19.80 62 38.13N 149 26.68W 10.6 1.9 0.35 1.00 1.14 85 16 13 39 A E CENTRAL AK. 98 6 27 22 55 14.95 63 6.57N 151 23.57W 8.8 2.1 0.24 2.69 1.79 231 8 4 55 B E CENTRAL AK. 98 6 27 22 55 14.71 63 6.52N 151 25.56W 8.7 2.3 0.26 2.08 1.69 174 16 6 56 A E CENTRAL AK. 98 6 27 23 12 20.47 59 20.95N 153 24.92W 0.0 -0.1 0.12 8.71 10.31 327 5 5 1 D a COOK INLET. 98 6 27 23 44 37.94 60 25.07N 153 10.29W 57.2 2.0 0.73 58.02 28.81 345 8 7 39 D E COOK INLET. 98 6 28 1 8 39.29 62 36.62N 149 26.37W 70.1 1.5 0.35 7.39 14.21 94 10 5 42 D E CENTRAL AK. 98 6 28 1 50 18.74 63 34.40N 150 55.63W 51.3 1.3 0.22 11.34 8.64 84 9 2 2 D E CENTRAL AK. 98 6 28 2 57 35.63 63 7.63N 150 58.47W 129.0 2.5 0.35 11.48 12.78 134 16 4 48 D E CENTRAL AK. 98 6 28 3 22 28.61 63 7.76N 150 30.08W 107.2 1.8 0.20 6.40 8.60 68 12 4 37 C E CENTRAL AK. 98 6 28 3 38 57.33 59 18.64N 152 0.97W 56.2 2.1 0.21 5.91 17.05 145 11 3 25 D E COOK INLET. 98 6 28 5 10 7.70 61 49.29N 150 12.79W 23.6 3.2 0.61 9.74 9.31 88 13 3 26 C E COOK INLET. 98 6 28 6 32 3.75 57 58.29N 156 43.12W 0.0 1.5 0.39 10.52 9.10 324 10 5 59 D E ALASKA PEN. 98 6 28 7 18 9.32 59 22.80N 151 38.64W 44.1 1.8 0.24 5.05 7.49 120 13 5 8 C E KENAI PEN. 98 6 28 8 36 59.54 64 10.97N 148 14.91W 0.0 1.8 0.42 3.79 27.05 56 14 4 59 D E CENTRAL AK. 98 6 28 10 42 21.86 63 8.16N 150 15.01W 117.0 3.4 0.29 3.99 4.81 57 16 4 35 B E CENTRAL AK. 98 6 28 14 33 54.62 63 12.38N 150 36.51W 131.1 2.7 0.13 7.06 4.39 87 10 3 32 C E CENTRAL AK. 98 6 28 14 51 7.46 61 21.12N 140 25.24W 0.0 2.3 0.52 7.05 5.76 248 12 5 66 C E S YUKON TERR. 98 6 28 16 54 23.34 63 28.97N 150 56.06W 8.0 1.5 0.13 4.53 3.48 199 13 5 8 B E CENTRAL AK. 98 6 28 17 50 51.73 62 5.60N 148 52.24W 42.2 1.8 0.18 2.15 4.13 75 14 4 36 B E CENTRAL AK. 98 6 28 21 5 43.15 59 13.68N 153 51.67W 118.1 2.5 0.19 5.73 8.75 114 13 4 27 C E COOK INLET.