Weekly Seismicity Report For June 11, 2018 to June 17, 2018

During the week of June 11, 2018, the Alaska Earthquake Center reported 621 earthquakes within the state. The largest earthquake was magnitude 4.3 that occurred on June 17 at 04:32:20.313 UTC (June 16, 20:32:20.313 AKDT), 158 miles (254 km) SE of Kodiak. One event was felt.

Notable Events in Descending Order of Magnitude


June 17 at 04:32:20.313 UTC (June 16, 20:32:20.313 AKDT), Ml 4.3, 56.20N -149.38W, depth=11.5 km:
A light earthquake was located in GULF OF ALASKA.
This earthquake was:
158 miles (254 km) SE of Kodiak
164 miles (264 km) ESE of Old Harbor
167 miles (268 km) SE of Ouzinkie
174 miles (281 km) SE of Port Lions

June 15 at 14:48:38.307 UTC (June 15, 06:48:38.307 AKDT), Ml 4.2, 52.20N -171.17W, depth=29.7 km:
A light earthquake was located in FOX ISLANDS, ALEUTIAN ISLANDS.
This earthquake was:
37 miles ( 59 km) ESE of Amukta Pass
109 miles (176 km) WSW of Nikolski
128 miles (207 km) E of Atka
224 miles (361 km) WSW of Unalaska

June 11 at 00:56:28.676 UTC (June 10, 16:56:28.676 AKDT), Ml 4.1, 54.56N -163.31W, depth=72.3 km:
A light earthquake was located in UNIMAK ISLAND REGION, ALASKA.
This earthquake was:
21 miles ( 33 km) S of False Pass
49 miles ( 79 km) SSW of Cold Bay
53 miles ( 85 km) SW of King Cove
103 miles (166 km) ENE of Akutan

June 16 at 02:52:03.328 UTC (June 15, 18:52:03.328 AKDT), Ml 4.0, 56.27N -156.63W, depth=13.5 km:
A light earthquake was located in ALASKA PENINSULA.
This earthquake was:
68 miles (109 km) E of Chignik
72 miles (116 km) E of Chignik Lagoon
90 miles (145 km) ESE of Port Heiden
96 miles (155 km) SSE of Pilot Point

June 15 at 01:01:18.326 UTC (June 14, 17:01:18.326 AKDT), Ml 4.0, 53.41N -163.76W, depth=6.8 km:
A light earthquake was located in UNIMAK ISLAND REGION, ALASKA.
This earthquake was:
96 miles (155 km) ESE of Akutan
101 miles (162 km) S of False Pass
118 miles (189 km) ESE of Dutch Harbor
118 miles (190 km) ESE of Unalaska

June 14 at 10:51:25.525 UTC (June 14, 02:51:25.525 AKDT), Ml 3.8, 53.14N -169.80W, depth=149.8 km:
A minor earthquake was located in FOX ISLANDS, ALEUTIAN ISLANDS.
This earthquake was:
41 miles ( 66 km) WNW of Nikolski
107 miles (172 km) ENE of Amukta Pass
143 miles (231 km) WSW of Unalaska
144 miles (232 km) WSW of Dutch Harbor

June 14 at 16:48:07.817 UTC (June 14, 08:48:07.817 AKDT), Ml 3.8, 56.00N -149.20W, depth=10.0 km:
A minor earthquake was located in GULF OF ALASKA.
This earthquake was:
173 miles (278 km) SE of Kodiak
177 miles (284 km) ESE of Old Harbor
182 miles (293 km) SE of Ouzinkie
189 miles (305 km) SE of Port Lions

June 16 at 03:05:52.881 UTC (June 15, 19:05:52.881 AKDT), Ml 3.8, 51.99N -169.30W, depth=38.1 km:
A minor earthquake was located in FOX ISLANDS, ALEUTIAN ISLANDS.
This earthquake was:
68 miles (109 km) SSW of Nikolski
117 miles (189 km) ESE of Amukta Pass
174 miles (279 km) SW of Unalaska
175 miles (282 km) SW of Dutch Harbor

June 16 at 03:03:34.955 UTC (June 15, 19:03:34.955 AKDT), Ml 3.7, 51.97N -169.32W, depth=30.2 km:
A minor earthquake was located in FOX ISLANDS, ALEUTIAN ISLANDS.
This earthquake was:
69 miles (112 km) SSW of Nikolski
117 miles (188 km) ESE of Amukta Pass
175 miles (282 km) SW of Unalaska
177 miles (284 km) SW of Dutch Harbor

June 11 at 16:28:01.032 UTC (June 11, 08:28:01.032 AKDT), Ml 3.7, 56.65N -157.69W, depth=77.0 km:
A minor earthquake was located in ALASKA PENINSULA.
This earthquake was:
37 miles ( 60 km) NE of Chignik
38 miles ( 60 km) NE of Chignik Lagoon
42 miles ( 67 km) ESE of Port Heiden
63 miles (101 km) S of Pilot Point

June 16 at 23:05:36.443 UTC (June 16, 15:05:36.443 AKDT), Ml 3.6, 61.22N -147.00W, depth=2.5 km:
A minor earthquake was located in SOUTHERN ALASKA. It was felt in Valdez.
This earthquake was:
23 miles ( 37 km) WNW of Valdez
27 miles ( 44 km) NNW of Tatitlek
44 miles ( 71 km) W of Thompson Pass
63 miles (102 km) NW of Cordova

June 14 at 17:36:54.815 UTC (June 14, 09:36:54.815 AKDT), Ml 3.5, 51.44N 178.20W, depth=39.6 km:
A minor earthquake was located in RAT ISLANDS, ALEUTIAN ISLANDS.
This earthquake was:
35 miles ( 57 km) W of Amchitka
115 miles (186 km) ESE of Buldir Is
194 miles (312 km) ESE of Shemya
223 miles (358 km) W of Adak

This report was compiled by Natalia 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.