Weekly Seismicity Report For
May 22, 2017 to May 28, 2017

During the week of May 22, 2017, the Alaska Earthquake Center reported 903 earthquakes within the state. The largest earthquake was magnitude 5.5 that occurred on May 28 at 07:06:15.107 UTC (May 27, 23:06:15.107 AKDT), 60 miles SW of Atka. One events was felt.

Notable Events in Descending Order of Magnitude

May 28 at 07:06:15.107 UTC (May 27, 23:06:15.107 AKDT), Ml 5.5, 51.59N -175.20W, depth=22.8 km:

   A moderate earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..

    This earthquake was:

   60 miles ( 96 km)  SW of Atka

   65 miles (105 km) ESE of Adak

  146 miles (235 km) WSW of Amukta Pass

  249 miles (401 km)   E of Amchitka

 

 May 24 at 16:36:01.150 UTC (May 24, 08:36:01.150 AKDT), Ml 5.0, 52.30N -166.63W, depth=22.7 km:

   A moderate earthquake was located in FOX ISLANDS, ALEUTIAN ISLANDS.

    This earthquake was:

  104 miles (167 km) ESE of Nikolski

  109 miles (175 km)   S of Unalaska

  110 miles (177 km)   S of Dutch Harbor

  132 miles (212 km) SSW of Akutan

 

 May 24 at 06:35:17.956 UTC (May 23, 22:35:17.956 AKDT), Ml 4.7, 53.24N -164.36W, depth=14.6 km:

   A light earthquake was located in UNIMAK ISLAND REGION, ALASKA.

    This earthquake was:

   84 miles (136 km)  SE of Akutan

   99 miles (159 km) ESE of Unalaska

   99 miles (160 km) ESE of Dutch Harbor

  118 miles (189 km) SSW of False Pass

 

 May 24 at 16:07:05.671 UTC (May 24, 08:07:05.671 AKDT), Ml 4.6, 52.38N -166.67W, depth=50.8 km:

   A light earthquake was located in FOX ISLANDS, ALEUTIAN ISLANDS.

    This earthquake was:

  100 miles (160 km) ESE of Nikolski

  103 miles (166 km)   S of Unalaska

  104 miles (168 km)   S of Dutch Harbor

  127 miles (204 km) SSW of Akutan

 

 May 28 at 08:46:04.820 UTC (May 28, 00:46:04.820 AKDT), Ml 4.6, 51.61N -175.22W, depth=29.0 km:

   A light earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..

    This earthquake was:

   59 miles ( 95 km)  SW of Atka

   64 miles (103 km) ESE of Adak

  146 miles (235 km) WSW of Amukta Pass

  248 miles (400 km)   E of Amchitka

 

 May 28 at 07:37:12.586 UTC (May 27, 23:37:12.586 AKDT), Ml 4.5, 53.72N -160.97W, depth=11.8 km:

   A light earthquake was located in SOUTH OF ALASKA.

    This earthquake was:

  107 miles (172 km) SSE of King Cove

  113 miles (182 km)   S of Sand Point

  123 miles (198 km)  SE of Cold Bay

  125 miles (202 km)  SE of False Pass

 

 May 28 at 09:45:10.185 UTC (May 28, 01:45:10.185 AKDT), Ml 4.4, 51.64N -178.46W, depth=12.7 km:

   A light earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..

    This earthquake was:

   79 miles (127 km)   W of Adak

  109 miles (176 km)   E of Amchitka

  185 miles (298 km)   W of Atka

  244 miles (392 km)   E of Buldir Is

 

 May 28 at 20:33:12.639 UTC (May 28, 12:33:12.639 AKDT), Ml 4.0, 51.01N -176.94W, depth=1.5 km:

   A light earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..

    This earthquake was:

   61 miles ( 98 km) SSW of Adak

  143 miles (230 km) WSW of Atka

  179 miles (289 km)   E of Amchitka

  231 miles (371 km) WSW of Amukta Pass

 

 May 28 at 17:59:03.891 UTC (May 28, 09:59:03.891 AKDT), Ml 4.0, 53.43N -163.68W, depth=12.5 km:

   A light earthquake was located in UNIMAK ISLAND REGION, ALASKA.

    This earthquake was:

   98 miles (158 km) ESE of Akutan

   99 miles (159 km)   S of False Pass

  120 miles (194 km) ESE of Dutch Harbor

  121 miles (194 km) ESE of Unalaska

 

 May 26 at 07:09:36.243 UTC (May 25, 23:09:36.243 AKDT), Ml 3.9, 56.08N -157.73W, depth=43.9 km:

   A light earthquake was located in ALASKA PENINSULA.

    This earthquake was:

   29 miles ( 47 km) ESE of Chignik

   35 miles ( 57 km) ESE of Chignik Lagoon

   56 miles ( 90 km) ENE of Perryville

   68 miles (110 km) SSE of Port Heiden

 

 May 28 at 17:51:20.864 UTC (May 28, 09:51:20.864 AKDT), Ml 3.8, 53.44N -163.69W, depth=4.6 km:

   A minor earthquake was located in UNIMAK ISLAND REGION, ALASKA.

    This earthquake was:

   98 miles (157 km) ESE of Akutan

   98 miles (158 km)   S of False Pass

  120 miles (193 km) ESE of Dutch Harbor

  120 miles (193 km) ESE of Unalaska

 

 May 23 at 02:38:19.452 UTC (May 22, 18:38:19.452 AKDT), Ml 3.8, 51.57N -178.43W, depth=8.6 km:

   A minor earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..

    This earthquake was:

   79 miles (127 km) WSW of Adak

  111 miles (178 km)   E of Amchitka

  185 miles (298 km) WSW of Atka

  246 miles (396 km)   E of Buldir Is

 

 May 23 at 02:34:22.816 UTC (May 22, 18:34:22.816 AKDT), Ml 3.8, 51.60N -178.44W, depth=6.3 km:

   A minor earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..

    This earthquake was:

   79 miles (126 km) WSW of Adak

  110 miles (177 km)   E of Amchitka

  185 miles (298 km)   W of Atka

  245 miles (395 km)   E of Buldir Is

 

 May 27 at 09:01:03.024 UTC (May 27, 01:01:03.024 AKDT), Ml 3.7, 60.18N -153.28W, depth=152.4 km:

   A minor earthquake was located in SOUTHERN ALASKA.

    This earthquake was:

   35 miles ( 57 km)   E of Port Alsworth

   40 miles ( 64 km)  NE of Pedro Bay

   56 miles ( 90 km) ENE of Nondalton

   56 miles ( 90 km)   W of Ninilchik

 

 May 25 at 17:24:31.481 UTC (May 25, 09:24:31.481 AKDT), Ml 3.7, 52.92N -166.92W, depth=39.3 km:

   A minor earthquake was located in FOX ISLANDS, ALEUTIAN ISLANDS.

    This earthquake was:

   67 miles (108 km) SSW of Unalaska

   69 miles (111 km) SSW of Dutch Harbor

   81 miles (130 km)   E of Nikolski

   96 miles (155 km) SSW of Akutan

 

 May 23 at 15:38:40.104 UTC (May 23, 07:38:40.104 AKDT), Ml 3.7, 51.64N -178.38W, depth=8.3 km:

   A minor earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..

    This earthquake was:

   76 miles (122 km) WSW of Adak

  113 miles (181 km)   E of Amchitka

  182 miles (293 km)   W of Atka

  247 miles (397 km)   E of Buldir Is

 

 May 22 at 16:51:22.819 UTC (May 22, 08:51:22.819 AKDT), Ml 3.7, 51.20N -168.94W, depth=0.3 km:

   A minor earthquake was located in FOX ISLANDS, ALEUTIAN ISLANDS.

    This earthquake was:

  120 miles (193 km)   S of Nikolski

  153 miles (246 km) ESE of Amukta Pass

  210 miles (338 km) SSW of Unalaska

  212 miles (341 km) SSW of Dutch Harbor

 

 May 28 at 15:29:06.519 UTC (May 28, 07:29:06.519 AKDT), Ml 3.7, 51.59N -178.45W, depth=8.8 km:

   A minor earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..

    This earthquake was:

   79 miles (127 km) WSW of Adak

  110 miles (177 km)   E of Amchitka

  186 miles (299 km)   W of Atka

  245 miles (394 km)   E of Buldir Is

 

 May 26 at 04:27:53.995 UTC (May 25, 20:27:53.995 AKDT), Ml 3.6, 60.21N -146.22W, depth=3.7 km:

   A minor earthquake was located in SOUTHERN ALASKA.

    This earthquake was:

   28 miles ( 45 km)  SW of Cordova

   47 miles ( 76 km) SSE of Tatitlek

   53 miles ( 85 km)   N of Middleton Island

   61 miles ( 99 km)   E of Chenega Bay

 

 May 23 at 02:34:53.164 UTC (May 22, 18:34:53.164 AKDT), Ml 3.6, 51.65N -178.48W, depth=13.2 km:

   A minor earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..

    This earthquake was:

   79 miles (128 km)   W of Adak

  109 miles (175 km)   E of Amchitka

  186 miles (299 km)   W of Atka

  243 miles (391 km)   E of Buldir Is

 

 May 28 at 17:40:40.542 UTC (May 28, 09:40:40.542 AKDT), Ml 3.6, 51.61N -178.42W, depth=13.2 km:

   A minor earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..

    This earthquake was:

   78 miles (125 km) WSW of Adak

  111 miles (179 km)   E of Amchitka

  184 miles (297 km)   W of Atka

  246 miles (396 km)   E of Buldir Is

 

 May 27 at 13:05:07.575 UTC (May 27, 05:05:07.575 AKDT), Ml 3.6, 51.67N -178.47W, depth=13.2 km:

   A minor earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..

    This earthquake was:

   79 miles (127 km)   W of Adak

  109 miles (176 km)   E of Amchitka

  185 miles (298 km)   W of Atka

  243 miles (391 km)   E of Buldir Is

 

 May 23 at 22:13:59.827 UTC (May 23, 14:13:59.827 AKDT), Ml 3.6, 52.00N 178.01W, depth=6.2 km:

   A minor earthquake was located in RAT ISLANDS, ALEUTIAN ISLANDS.

    This earthquake was:

   53 miles ( 85 km)  NW of Amchitka

   92 miles (147 km) ESE of Buldir Is

  172 miles (276 km) ESE of Shemya

  211 miles (340 km) ESE of Attu

 

 May 24 at 09:59:01.228 UTC (May 24, 01:59:01.228 AKDT), Ml 3.6, 61.81N -151.50W, depth=8.5 km:

   A minor earthquake was located in SOUTHERN ALASKA.

   This event was felt in Anchorage and Talkeetna.

    This earthquake was:

   14 miles ( 23 km)  SW of Skwentna

   48 miles ( 77 km)   W of Willow

   53 miles ( 85 km) NNW of Tyonek

   57 miles ( 92 km)  SW of Talkeetna

 

 May 23 at 03:03:35.224 UTC (May 22, 19:03:35.224 AKDT), Ml 3.5, 51.64N -178.42W, depth=6.7 km:

   A minor earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..

    This earthquake was:

   77 miles (124 km) WSW of Adak

  111 miles (179 km)   E of Amchitka

  184 miles (296 km)   W of Atka

  245 miles (395 km)   E of Buldir Is

 

 May 25 at 00:52:47.382 UTC (May 24, 16:52:47.382 AKDT), Ml 3.5, 51.65N -178.43W, depth=6.3 km:

   A minor earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..

    This earthquake was:

   78 miles (125 km)   W of Adak

  111 miles (178 km)   E of Amchitka

  184 miles (296 km)   W of Atka

  245 miles (394 km)   E of Buldir Is

 

 May 27 at 08:31:22.871 UTC (May 27, 00:31:22.871 AKDT), Ml 3.5, 51.67N -178.48W, depth=7.6 km:

   A minor earthquake was located in ANDREANOF ISLANDS, ALEUTIAN IS..

    This earthquake was:

   79 miles (128 km)   W of Adak

  109 miles (175 km)   E of Amchitka

  186 miles (299 km)   W of Atka

  242 miles (390 km)   E of Buldir Is

 

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.