Weekly Seismicity Report For April 9, 2018 to April 15, 2018

During the week of April 9, 2018, Year, the Alaska Earthquake Center reported 781 earthquakes within the state. The largest earthquake was magnitude 4.3 that occurred on April 14 at 03:29:44.648 UTC (April 13, 19:29:44.648 AKDT), 73 miles S of Sand Point. One event was felt.

Notable Events in Descending Order of Magnitude


April 14 at 03:29:44.648 UTC (April 13, 19:29:44.648 AKDT), Ml 4.3, 54.29N -160.76W, depth=16.9 km:
A light earthquake was located in ALASKA PENINSULA.
This earthquake was:
73 miles (117 km) S of Sand Point
81 miles (131 km) SE of King Cove
100 miles (160 km) SE of Cold Bay
113 miles (182 km) ESE of False Pass

April 15 at 14:20:25.504 UTC (April 15, 06:20:25.504 AKDT), Ml 4.1, 56.37N -148.96W, depth=11.9 km:
A light earthquake was located in GULF OF ALASKA.
This earthquake was:
162 miles (261 km) SE of Kodiak
171 miles (275 km) SE of Ouzinkie
174 miles (280 km) ESE of Old Harbor
180 miles (289 km) ESE of Port Lions

April 11 at 16:44:11.794 UTC (April 11, 08:44:11.794 AKDT), Ml 4.1, 60.58N -147.61W, depth=4.3 km:
A light earthquake was located in SOUTHERN ALASKA.
It was felt in the Kenai Peninsula and Anchorage area.
This earthquake was:
37 miles ( 59 km) NNE of Chenega Bay
37 miles ( 60 km) WSW of Tatitlek
39 miles ( 62 km) ESE of Whittier
57 miles ( 92 km) SW of Valdez

April 11 at 10:34:12.507 UTC (April 11, 02:34:12.507 AKDT), Ml 4.1, 52.81N -173.95W, depth=165.3 km:
A light earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..
This earthquake was:
44 miles ( 70 km) NNE of Atka
88 miles (141 km) WNW of Amukta Pass
131 miles (211 km) ENE of Adak
212 miles (341 km) W of Nikolski

April 12 at 23:44:32.175 UTC (April 12, 15:44:32.175 AKDT), Ml 4.0, 60.86N -138.25W, depth=4.0 km:
A light earthquake was located in SOUTHERN YUKON TERRITORY, CANADA.
This earthquake was:
26 miles ( 41 km) WNW of Haines Junction
32 miles ( 51 km) SE of Burwash Landing
104 miles (168 km) NNE of Yakutat
109 miles (175 km) WNW of Whitehorse

April 15 at 22:52:01.801 UTC (April 15, 14:52:01.801 AKDT), Ml 3.9, 56.27N -149.23W, depth=11.4 km:
A light earthquake was located in GULF OF ALASKA.
This earthquake was:
159 miles (256 km) SE of Kodiak
167 miles (269 km) ESE of Old Harbor
168 miles (270 km) SE of Ouzinkie
176 miles (283 km) SE of Port Lions

April 15 at 10:23:21.826 UTC (April 15, 02:23:21.826 AKDT), Ml 3.9, 56.44N -148.62W, depth=10.5 km:
A minor earthquake was located in GULF OF ALASKA.
This earthquake was:
170 miles (273 km) ESE of Kodiak
178 miles (286 km) ESE of Ouzinkie
185 miles (297 km) ESE of Old Harbor
188 miles (302 km) ESE of Port Lions

April 12 at 14:40:02.025 UTC (April 12, 06:40:02.025 AKDT), Ml 3.8, 51.33N -174.38W, depth=13.2 km:
A minor earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..
This earthquake was:
60 miles ( 97 km) S of Atka
105 miles (168 km) ESE of Adak
124 miles (199 km) SW of Amukta Pass
259 miles (417 km) WSW of Nikolski

April 11 at 09:36:09.578 UTC (April 11, 01:36:09.578 AKDT), Ml 3.7, 55.86N -149.27W, depth=11.9 km:
A minor earthquake was located in GULF OF ALASKA.
This earthquake was:
178 miles (287 km) SE of Kodiak
179 miles (289 km) ESE of Old Harbor
187 miles (302 km) SE of Ouzinkie
194 miles (313 km) SE of Port Lions

April 13 at 00:31:01.657 UTC (April 12, 16:31:01.657 AKDT), Ml 3.6, 55.89N -149.96W, depth=10.0 km:
A minor earthquake was located in GULF OF ALASKA.
This earthquake was:
156 miles (251 km) SE of Old Harbor
160 miles (258 km) SE of Kodiak
170 miles (273 km) SE of Ouzinkie
175 miles (282 km) SE of Port Lions

April 10 at 09:52:01.888 UTC (April 10, 01:52:01.888 AKDT), Ml 3.6, 55.93N -149.94W, depth=10.1 km:
A minor earthquake was located in GULF OF ALASKA.
This earthquake was:
155 miles (250 km) ESE of Old Harbor
159 miles (255 km) SE of Kodiak
168 miles (271 km) SE of Ouzinkie
174 miles (280 km) SE of Port Lions

April 14 at 02:39:40.930 UTC (April 13, 18:39:40.930 AKDT), Ml 3.5, 62.39N -149.25W, depth=51.4 km:
A minor earthquake was located in CENTRAL ALASKA.
This earthquake was:
28 miles ( 45 km) E of Talkeetna
43 miles ( 69 km) N of Hatcher Pass
49 miles ( 79 km) NNW of Sutton
52 miles ( 83 km) NNE of Willow

This report was compiled by N.Kozyreva.

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.