Weekly Seismicity Report For February 5, 2018 to February 11, 2018

During the week of February 5, 2018, the Alaska Earthquake Center reported 1,039 earthquakes within the state. The largest earthquake was magnitude 5.7 that occurred on February 8 at 11:04:03.170 UTC (February 8, 02:04:03.170 AKST), 87 miles ENE of Amchitka. 3 events were felt.

Notable Events in Descending Order of Magnitude


February 8 at 11:04:03.170 UTC (February 8, 02:04:03.170 AKST), Ml 5.7, 52.20N -179.26W, depth=225.0 km:
A moderate earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..
This earthquake was:
87 miles (141 km) ENE of Amchitka
113 miles (182 km) WNW of Adak
203 miles (327 km) E of Buldir Is
214 miles (345 km) W of Atka

February 9 at 19:55:11.899 UTC (February 9, 10:55:11.899 AKST), Ml 5.1, 51.39N 177.17W, depth=16.3 km:
A moderate earthquake was located in RAT ISLANDS, ALEUTIAN ISLANDS.
This earthquake was:
79 miles (128 km) W of Amchitka
85 miles (137 km) SE of Buldir Is
159 miles (255 km) SE of Shemya
198 miles (319 km) ESE of Attu

February 6 at 15:16:28.225 UTC (February 6, 06:16:28.225 AKST), Ml 4.7, 56.38N -148.38W, depth=11.9 km:
A light earthquake was located in GULF OF ALASKA.
This earthquake was:
179 miles (289 km) ESE of Kodiak
187 miles (301 km) ESE of Ouzinkie
195 miles (313 km) ESE of Old Harbor
197 miles (317 km) ESE of Port Lions

February 10 at 03:09:30.178 UTC (February 9, 18:09:30.178 AKST), Ml 4.6, 51.57N 179.98W, depth=74.7 km:
A light earthquake was located in RAT ISLANDS, ALEUTIAN ISLANDS.
This earthquake was:
42 miles ( 68 km) E of Amchitka
146 miles (234 km) W of Adak
181 miles (291 km) ESE of Buldir Is
252 miles (405 km) W of Atka

February 8 at 03:58:03.609 UTC (February 7, 18:58:03.609 AKST), Ml 4.5, 55.89N -150.09W, depth=11.5 km:
A light earthquake was located in GULF OF ALASKA.
This earthquake was:
152 miles (245 km) SE of Old Harbor
158 miles (254 km) SE of Kodiak
167 miles (269 km) SE of Ouzinkie
173 miles (278 km) ESE of Akhiok

February 5 at 19:22:33.126 UTC (February 5, 10:22:33.126 AKST), Ml 4.3, 56.41N -148.81W, depth=11.4 km:
A light earthquake was located in GULF OF ALASKA.
This earthquake was:
165 miles (266 km) ESE of Kodiak
173 miles (279 km) SE of Ouzinkie
179 miles (287 km) ESE of Old Harbor
183 miles (294 km) ESE of Port Lions

February 7 at 23:55:31.837 UTC (February 7, 14:55:31.837 AKST), Ml 4.3, 56.16N -149.20W, depth=11.1 km:
A light earthquake was located in GULF OF ALASKA.
This earthquake was:
165 miles (266 km) SE of Kodiak
172 miles (276 km) ESE of Old Harbor
174 miles (280 km) SE of Ouzinkie
182 miles (293 km) SE of Port Lions

February 9 at 01:04:43.978 UTC (February 8, 16:04:43.978 AKST), Ml 4.2, 59.06N -153.08W, depth=66.3 km:
A light earthquake was located in SOUTHERN ALASKA. It was felt in Homer.
This earthquake was:
45 miles ( 73 km) WSW of Nanwalek
46 miles ( 74 km) WSW of English Bay
49 miles ( 79 km) WSW of Port Graham
55 miles ( 89 km) WSW of Seldovia

February 8 at 03:14:28.139 UTC (February 7, 18:14:28.139 AKST), Ml 4.2, 55.67N -149.19W, depth=11.8 km:
A light earthquake was located in GULF OF ALASKA.
This earthquake was:
190 miles (305 km) ESE of Old Harbor
191 miles (307 km) SE of Kodiak
200 miles (322 km) SE of Ouzinkie
206 miles (332 km) SE of Port Lions

February 9 at 08:22:36.746 UTC (February 8, 23:22:36.746 AKST), Ml 4.2, 56.30N -149.16W, depth=10.0 km:
A light earthquake was located in GULF OF ALASKA.
This earthquake was:
159 miles (257 km) SE of Kodiak
168 miles (270 km) SE of Ouzinkie
169 miles (272 km) ESE of Old Harbor
177 miles (284 km) SE of Port Lions

February 9 at 08:22:24.340 UTC (February 8, 23:22:24.340 AKST), Ml 4.1, 56.30N -148.64W, depth=11.7 km:
A light earthquake was located in GULF OF ALASKA.
This earthquake was:
175 miles (282 km) SE of Kodiak
183 miles (295 km) SE of Ouzinkie
187 miles (302 km) ESE of Old Harbor
193 miles (310 km) ESE of Port Lions

February 5 at 17:27:23.020 UTC (February 5, 08:27:23.020 AKST), Ml 4.1, 56.20N -149.73W, depth=7.5 km:
A light earthquake was located in GULF OF ALASKA.
This earthquake was:
149 miles (240 km) SE of Kodiak
152 miles (245 km) ESE of Old Harbor
158 miles (255 km) SE of Ouzinkie
165 miles (266 km) SE of Port Lions

February 9 at 12:43:54.503 UTC (February 9, 03:43:54.503 AKST), Ml 4.1, 56.23N -149.41W, depth=6.5 km:
A light earthquake was located in GULF OF ALASKA.
This earthquake was:
156 miles (251 km) SE of Kodiak
162 miles (261 km) ESE of Old Harbor
165 miles (265 km) SE of Ouzinkie
173 miles (278 km) SE of Port Lions

February 6 at 16:37:18.793 UTC (February 6, 07:37:18.793 AKST), Ml 4.0, 56.08N -149.92W, depth=9.0 km:
A light earthquake was located in GULF OF ALASKA.
This earthquake was:
150 miles (241 km) ESE of Old Harbor
150 miles (242 km) SE of Kodiak
160 miles (257 km) SE of Ouzinkie
166 miles (267 km) SE of Port Lions

February 6 at 21:14:57.625 UTC (February 6, 12:14:57.625 AKST), Ml 4.0, 55.87N -149.33W, depth=10.8 km:
A light earthquake was located in GULF OF ALASKA.
This earthquake was:
176 miles (283 km) SE of Kodiak
177 miles (285 km) ESE of Old Harbor
185 miles (298 km) SE of Ouzinkie
192 miles (309 km) SE of Port Lions

February 6 at 08:43:38.925 UTC (February 5, 23:43:38.925 AKST), Ml 4.0, 56.42N -148.58W, depth=11.9 km:
A light earthquake was located in GULF OF ALASKA.
This earthquake was:
172 miles (276 km) ESE of Kodiak
180 miles (289 km) ESE of Ouzinkie
186 miles (300 km) ESE of Old Harbor
189 miles (305 km) ESE of Port Lions

February 10 at 14:27:10.545 UTC (February 10, 05:27:10.545 AKST), Ml 4.0, 56.07N -149.76W, depth=11.3 km:
A light earthquake was located in GULF OF ALASKA.
This earthquake was:
155 miles (249 km) SE of Kodiak
156 miles (250 km) ESE of Old Harbor
164 miles (264 km) SE of Ouzinkie
171 miles (275 km) SE of Port Lions

February 7 at 11:14:17.488 UTC (February 7, 02:14:17.488 AKST), Ml 4.0, 56.24N -148.62W, depth=11.9 km:
A light earthquake was located in GULF OF ALASKA.
This earthquake was:
178 miles (286 km) SE of Kodiak
186 miles (300 km) SE of Ouzinkie
189 miles (305 km) ESE of Old Harbor
195 miles (314 km) ESE of Port Lions

February 6 at 09:32:41.416 UTC (February 6, 00:32:41.416 AKST), Ml 3.8, 56.02N -149.55W, depth=11.1 km:
A minor earthquake was located in GULF OF ALASKA.
This earthquake was:
163 miles (262 km) SE of Kodiak
165 miles (265 km) ESE of Old Harbor
172 miles (277 km) SE of Ouzinkie
179 miles (288 km) SE of Port Lions

February 10 at 08:33:23.536 UTC (February 9, 23:33:23.536 AKST), Ml 3.8, 55.80N -149.35W, depth=22.0 km:
A minor earthquake was located in GULF OF ALASKA.
This earthquake was:
179 miles (288 km) ESE of Old Harbor
179 miles (289 km) SE of Kodiak
189 miles (304 km) SE of Ouzinkie
195 miles (314 km) SE of Port Lions

February 7 at 00:56:17.448 UTC (February 6, 15:56:17.448 AKST), Ml 3.8, 55.63N -149.12W, depth=11.4 km:
A minor earthquake was located in GULF OF ALASKA.
This earthquake was:
193 miles (311 km) ESE of Old Harbor
194 miles (312 km) SE of Kodiak
203 miles (327 km) SE of Ouzinkie
210 miles (338 km) SE of Port Lions

February 11 at 03:40:11.850 UTC (February 10, 18:40:11.850 AKST), Ml 3.8, 56.41N -148.74W, depth=13.9 km:
A minor earthquake was located in GULF OF ALASKA.
This earthquake was:
167 miles (269 km) ESE of Kodiak
176 miles (283 km) SE of Ouzinkie
181 miles (292 km) ESE of Old Harbor
185 miles (298 km) ESE of Port Lions

February 8 at 14:02:47.843 UTC (February 8, 05:02:47.843 AKST), Ml 3.8, 55.99N -149.76W, depth=11.7 km:
A minor earthquake was located in GULF OF ALASKA.
This earthquake was:
158 miles (255 km) ESE of Old Harbor
159 miles (256 km) SE of Kodiak
169 miles (271 km) SE of Ouzinkie
175 miles (281 km) SE of Port Lions

February 6 at 04:19:47.507 UTC (February 5, 19:19:47.507 AKST), Ml 3.7, 56.34N -148.80W, depth=11.5 km:
A minor earthquake was located in GULF OF ALASKA.
This earthquake was:
168 miles (271 km) SE of Kodiak
177 miles (284 km) SE of Ouzinkie
180 miles (290 km) ESE of Old Harbor
186 miles (299 km) ESE of Port Lions

February 8 at 19:57:37.696 UTC (February 8, 10:57:37.696 AKST), Ml 3.7, 56.01N -149.76W, depth=11.4 km:
A minor earthquake was located in GULF OF ALASKA.
This earthquake was:
158 miles (254 km) ESE of Old Harbor
158 miles (254 km) SE of Kodiak
167 miles (269 km) SE of Ouzinkie
174 miles (280 km) SE of Port Lions

February 8 at 21:43:42.221 UTC (February 8, 12:43:42.221 AKST), Ml 3.6, 50.54N -174.61W, depth=11.0 km:
A minor earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..
This earthquake was:
115 miles (186 km) S of Atka
128 miles (206 km) SE of Adak
168 miles (270 km) SW of Amukta Pass
286 miles (460 km) ESE of Amchitka

February 8 at 19:56:36.411 UTC (February 8, 10:56:36.411 AKST), Ml 3.6, 53.25N -165.70W, depth=25.6 km:
A minor earthquake was located in FOX ISLANDS, ALEUTIAN ISLANDS.
This earthquake was:
55 miles ( 88 km) SE of Unalaska
55 miles ( 89 km) SE of Dutch Harbor
61 miles ( 98 km) S of Akutan
133 miles (215 km) E of Nikolski

February 8 at 09:15:15.039 UTC (February 8, 00:15:15.039 AKST), Ml 3.6, 55.87N -150.11W, depth=11.2 km:
A minor earthquake was located in GULF OF ALASKA.
This earthquake was:
152 miles (245 km) SE of Old Harbor
158 miles (255 km) SE of Kodiak
168 miles (270 km) SSE of Ouzinkie
172 miles (277 km) ESE of Akhiok

February 6 at 01:21:10.113 UTC (February 5, 16:21:10.113 AKST), Ml 3.6, 55.77N -149.20W, depth=7.4 km:
A minor earthquake was located in GULF OF ALASKA.
This earthquake was:
185 miles (297 km) SE of Kodiak
185 miles (298 km) ESE of Old Harbor
194 miles (312 km) SE of Ouzinkie
201 miles (323 km) SE of Port Lions

February 8 at 08:57:37.559 UTC (February 7, 23:57:37.559 AKST), Ml 3.6, 55.88N -150.13W, depth=11.9 km:
A minor earthquake was located in GULF OF ALASKA.
This earthquake was:
152 miles (244 km) SE of Old Harbor
158 miles (253 km) SE of Kodiak
167 miles (269 km) SSE of Ouzinkie
171 miles (276 km) ESE of Akhiok

February 6 at 02:56:06.220 UTC (February 5, 17:56:06.220 AKST), Ml 3.5, 50.59N -170.82W, depth=7.1 km:
A minor earthquake was located in SOUTH OF ALEUTIAN ISLANDS.
This earthquake was:
132 miles (213 km) SSE of Amukta Pass
183 miles (294 km) SSW of Nikolski
183 miles (295 km) SE of Atka
268 miles (431 km) ESE of Adak

February 7 at 00:18:40 UTC (February 6, 15:18:40 AKST), Ml 3.5, 61.42N -149.51W, depth=23 km:
A minor earthquake was located in the COOK INLET region. It was felt in Anchorage, Willow, and Chugiak.
This earthquake was:
7 miles ( 11 km) ESE of Willow
16 miles ( 26 km) WNW of Wasilla
19 miles ( 30 km) WSW of Hatcher Pass
25 miles ( 40 km) NNW of Chugiak

February 7 at 05:07:04 UTC (February 6, 20:07:04 AKST), Ml 3.5, 59.53N -150.39W, depth=29 km:
A minor earthquake was located in the KENAI PENINSULA region. It was felt in Homer, Anchor Point, and Seward.
This earthquake was:
7 miles ( 11 km) ESE of Willow
16 miles ( 26 km) WNW of Wasilla
19 miles ( 30 km) WSW of Hatcher Pass
25 miles ( 40 km) NNW of Chugiak

This report was compiled by M. Braun.

The data in this report are preliminary and subject to revision. The earthquake parameters have been determined by AEC, with supplemental data provided by the USGS National Earthquake Information Center. The data are released on the condition that none of the cooperating agencies may be held liable for any damages resulting from its authorized or unauthorized use.

For more information on earthquakes and seismology, contact the AEC at (907)-474-7320.