Monthly Seismicity Report For July 1, 2018 to July 31, 2018

During July 2018, the Alaska Earthquake Center located 3,250 earthquakes within the state. Of these, 24 were larger than or equal to magnitude 4.0. 13 events were felt. The largest earthquake located in Alaska this month was a moderate earthquake of magnitude 5.8 that occurred on July 19 at 14:16:27.278 UTC (July 19, 06:16:27.278 AKDT), 64 miles SSW of Sand Point.

Notable Events in Descending Order of Magnitude

July 19 at 14:16:27.278 UTC (July 19, 06:16:27.278 AKDT), Ml 5.8, 54.44N -160.85W, depth=4.6 km:
A moderate earthquake was located in ALASKA PENINSULA. It was felt in King Cove.
This earthquake was:
64 miles (103 km) SSW of Sand Point
72 miles (116 km) SE of King Cove
91 miles (146 km) SE of Cold Bay

July 18 at 19:06:04.717 UTC (July 18, 11:06:04.717 AKDT), Ml 5.5, 54.43N -160.75W, depth=8.8 km:
A moderate earthquake was located in ALASKA PENINSULA. It was felt in Soldatna.
This earthquake was:
63 miles (102 km) S of Sand Point
76 miles (122 km) SE of King Cove
94 miles (152 km) ESE of Cold Bay

July 21 at 07:58:40.604 UTC (July 20, 23:58:40.604 AKDT), Ml 5.2, 54.44N -160.78W, depth=0.4 km:
A moderate earthquake was located in ALASKA PENINSULA.
This earthquake was:
63 miles (101 km) S of Sand Point
74 miles (120 km) SE of King Cove
93 miles (149 km) ESE of Cold Bay

July 27 at 18:23:08.018 UTC (July 27, 10:23:08.018 AKDT), Ml 5.1, 60.41N -177.69W, depth=22.2 km:
A moderate earthquake was located in BERING SEA.
This earthquake was:
171 miles (276 km) W of St. Matthew Is
302 miles (486 km) SW of Gambell
325 miles (524 km) SW of Savoonga

July 1 at 08:20:16.275 UTC (July 1, 00:20:16.275 AKDT), Ml 5.0, 63.07N -150.80W, depth=117.3 km:
A moderate earthquake was located in CENTRAL ALASKA.
This earthquake was:
32 miles ( 51 km) S of Kantishna
56 miles ( 90 km) NNW of Talkeetna
62 miles ( 99 km) WSW of Cantwell

July 10 at 01:08:21.242 UTC (July 9, 17:08:21.242 AKDT), Ml 5.0, 62.98N -150.64W, depth=113.4 km:
A moderate earthquake was located in CENTRAL ALASKA. It was felt across central Alaska and as far away as Anchorage.
This earthquake was:
39 miles ( 62 km) SSE of Kantishna
48 miles ( 78 km) NNW of Talkeetna
60 miles ( 96 km) WSW of Cantwell

July 9 at 02:42:26.323 UTC (July 8, 18:42:26.323 AKDT), Ml 4.9, 51.32N -174.65W, depth=28.0 km:
A moderate earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..
This earthquake was:
63 miles (102 km) SSW of Atka
94 miles (152 km) ESE of Adak
134 miles (215 km) WSW of Amukta Pass

July 13 at 21:32:58.141 UTC (July 13, 13:32:58.141 AKDT), Ml 4.9, 56.13N -149.35W, depth=11.6 km:
A moderate earthquake was located in GULF OF ALASKA.
This earthquake was:
162 miles (261 km) SE of Kodiak
167 miles (269 km) ESE of Old Harbor
171 miles (276 km) SE of Ouzinkie

July 3 at 07:07:09.782 UTC (July 2, 23:07:09.782 AKDT), Ml 4.6, 57.04N -157.95W, depth=6.2 km:
A light earthquake was located in ALASKA PENINSULA.
This earthquake was:
29 miles ( 46 km) ENE of Port Heiden
39 miles ( 62 km) SSW of Pilot Point
52 miles ( 84 km) NNE of Chignik Lagoon

July 24 at 04:17:09.059 UTC (July 23, 20:17:09.059 AKDT), Ml 4.5, 55.09N -157.59W, depth=10.7 km:
A light earthquake was located in ALASKA PENINSULA.
This earthquake was:
83 miles (133 km) SE of Perryville
89 miles (143 km) SSE of Chignik
94 miles (151 km) SSE of Chignik Lagoon

July 13 at 18:54:35.714 UTC (July 13, 10:54:35.714 AKDT), Ml 4.3, 59.31N -151.24W, depth=45.4 km:
A light earthquake was located in KENAI PENINSULA, ALASKA. It was felt lightly across the southern Kenai Peninsula.
This earthquake was:
18 miles ( 30 km) ESE of Seldovia
21 miles ( 33 km) E of Port Graham
24 miles ( 39 km) E of English Bay

July 1 at 19:54:54.381 UTC (July 1, 11:54:54.381 AKDT), Ml 4.3, 57.06N -155.55W, depth=52.0 km:
A light earthquake was located in ALASKA PENINSULA.
This earthquake was:
52 miles ( 84 km) W of Akhiok
54 miles ( 87 km) SW of Karluk
67 miles (109 km) WSW of Larsen Bay

July 24 at 04:12:42.097 UTC (July 23, 20:12:42.097 AKDT), Ml 4.3, 55.09N -157.55W, depth=0.7 km:
A light earthquake was located in ALASKA PENINSULA.
This earthquake was:
84 miles (135 km) SE of Perryville
89 miles (144 km) SSE of Chignik
95 miles (153 km) SSE of Chignik Lagoon

July 19 at 14:33:20.142 UTC (July 19, 06:33:20.142 AKDT), Ml 4.2, 54.42N -160.86W, depth=12.1 km:
A light earthquake was located in ALASKA PENINSULA.
This earthquake was:
65 miles (105 km) SSW of Sand Point
73 miles (117 km) SE of King Cove
91 miles (147 km) SE of Cold Bay

July 11 at 23:57:00.883 UTC (July 11, 15:57:00.883 AKDT), Ml 4.2, 52.94N -169.07W, depth=85.7 km:
A light earthquake was located in FOX ISLANDS, ALEUTIAN ISLANDS.
This earthquake was:
8 miles ( 14 km) W of Nikolski
123 miles (197 km) WSW of Unalaska
124 miles (199 km) WSW of Dutch Harbor

July 10 at 15:54:28.868 UTC (July 10, 07:54:28.868 AKDT), Ml 4.2, 53.28N 172.82W, depth=137.5 km:
A light earthquake was located in NEAR ISLANDS, ALEUTIAN ISLANDS.
This earthquake was:
30 miles ( 48 km) NW of Attu
67 miles (108 km) NW of Shemya
145 miles (234 km) WNW of Buldir Is

July 13 at 01:21:31.118 UTC (July 12, 17:21:31.118 AKDT), Ml 4.2, 52.62N -176.45W, depth=224.2 km:
A light earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..
This earthquake was:
52 miles ( 84 km) N of Adak
100 miles (160 km) WNW of Atka
188 miles (303 km) W of Amukta Pass

July 29 at 12:23:45.460 UTC (July 29, 04:23:45.460 AKDT), Ml 4.2, 57.25N -155.51W, depth=70.7 km:
A light earthquake was located in ALASKA PENINSULA.
This earthquake was:
45 miles ( 73 km) WSW of Karluk
55 miles ( 88 km) WNW of Akhiok
61 miles ( 98 km) WSW of Larsen Bay

July 6 at 02:07:12.961 UTC (July 5, 18:07:12.961 AKDT), Ml 4.2, 61.40N -150.89W, depth=62.0 km:
A light earthquake was located in SOUTHERN ALASKA. It was felt throughout south-central Alaska.
This earthquake was:
25 miles ( 40 km) NNE of Tyonek
35 miles ( 57 km) WNW of Anchorage
36 miles ( 59 km) SW of Willow

July 9 at 03:16:10.844 UTC (July 8, 19:16:10.844 AKDT), Ml 4.1, 52.52N -166.37W, depth=25.7 km:
A light earthquake was located in FOX ISLANDS, ALEUTIAN ISLANDS.
This earthquake was:
93 miles (150 km) S of Unalaska
95 miles (152 km) S of Dutch Harbor
108 miles (175 km) ESE of Nikolski

July 24 at 04:19:01.270 UTC (July 23, 20:19:01.270 AKDT), Ml 4.1, 55.08N -157.49W, depth=13.5 km:
A light earthquake was located in ALASKA PENINSULA.
This earthquake was:
86 miles (139 km) SE of Perryville
91 miles (146 km) SSE of Chignik
96 miles (155 km) SSE of Chignik Lagoon

July 31 at 09:08:57.559 UTC (July 31, 01:08:57.559 AKDT), Ml 4.0, 52.46N -166.74W, depth=28.4 km:
A light earthquake was located in FOX ISLANDS, ALEUTIAN ISLANDS.
This earthquake was:
95 miles (153 km) ESE of Nikolski
98 miles (157 km) S of Unalaska
99 miles (160 km) S of Dutch Harbor

July 21 at 19:48:34.074 UTC (July 21, 11:48:34.074 AKDT), Ml 4.0, 56.35N -149.23W, depth=11.8 km:
A light earthquake was located in GULF OF ALASKA.
This earthquake was:
155 miles (250 km) SE of Kodiak
164 miles (263 km) SE of Ouzinkie
165 miles (265 km) ESE of Old Harbor

July 13 at 06:16:54.125 UTC (July 12, 22:16:54.125 AKDT), Ml 4.0, 52.15N -170.42W, depth=25.2 km:
A light earthquake was located in FOX ISLANDS, ALEUTIAN ISLANDS.
This earthquake was:
68 miles (110 km) E of Amukta Pass
85 miles (136 km) SW of Nikolski
160 miles (258 km) E of Atka

This report was compiled by M. Braun.

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.