Monthly Seismicity Report For June 1, 2018 to June 30, 2018

During June 2018, the Alaska Earthquake Center located 3211 earthquakes within the state. Of these, nine were larger than or equal to magnitude 4.0. Ten events were felt. The largest earthquake located in Alaska this month was a light earthquake of magnitude 4.4 that occurred on June 30 at 15:42:19.133 UTC (June 30, 07:42:19.133 AKDT), 67 miles ESE of Amchitka.

Notable Events in Descending Order of Magnitude

June 30 at 15:42:19.133 UTC (June 30, 07:42:19.133 AKDT), Ml 4.4, 51.18N -179.55W, depth=34.6 km:
A light earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..
This earthquake was:
67 miles (108 km) ESE of Amchitka
133 miles (215 km) WSW of Adak
210 miles (338 km) ESE of Buldir Is

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

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

June 21 at 00:12:20.010 UTC (June 20, 16:12:20.010 AKDT), Ml 4.1, 51.77N -179.85W, depth=103.0 km:
A light earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..
This earthquake was:
52 miles ( 84 km) ENE of Amchitka
136 miles (220 km) W of Adak
184 miles (296 km) E of Buldir Is

June 4 at 05:38:22.531 UTC (June 3, 21:38:22.531 AKDT), Ml 4.1, 54.54N -162.34W, depth=68.6 km:
A light earthquake was located in ALASKA PENINSULA. It was felt in Sand Point and False Pass.
This earthquake was:
36 miles ( 58 km) S of King Cove
47 miles ( 76 km) SSE of Cold Bay
48 miles ( 77 km) ESE of False Pass

June 16 at 02:52:04.075 UTC (June 15, 18:52:04.075 AKDT), Ml 4.1, 56.24N -156.62W, depth=42.3 km:
A light earthquake was located in ALASKA PENINSULA.
This earthquake was:
68 miles (110 km) E of Chignik
73 miles (117 km) E of Chignik Lagoon
91 miles (147 km) ESE of Port Heiden

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

June 25 at 22:25:54.365 UTC (June 25, 14:25:54.365 AKDT), Ml 4.0, 68.01N -151.55W, depth=13.0 km:
A light earthquake was located in NORTHERN ALASKA.
This earthquake was:
10 miles ( 16 km) SSE of Anaktuvuk Pass
57 miles ( 91 km) NW of Wiseman
63 miles (101 km) WSW of Pump Station #4

June 7 at 19:18:04.296 UTC (June 7, 11:18:04.296 AKDT), Ml 4.0, 64.84N -172.75W, depth=4.1 km:
A light earthquake was located in EASTERN SIBERIA, RUSSIA.
This earthquake was:
80 miles (128 km) NNW of Gambell
105 miles (169 km) NW of Savoonga
126 miles (203 km) WSW of Little Diomede

This report was compiled by N.Kozyreva.

The data in this report are preliminary and subject to revision. Most of the earthquake parameters have been determined by the Alaska Earthquake Center, with supplemental data provided by the USGS National Earthquake Information Center, Box 25046, Denver Federal Center MS 967, Denver, CO 80225. 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.