Monthly Seismicity Report For
January 1, 2017 to January 31, 2017

During January 2017, the Alaska Earthquake Center located 3214 earthquakes within the state. Of these, fourteen were larger than or equal to magnitude 4.0. Seven events were felt. The largest earthquake located in Alaska this month was a moderate earthquake of magnitude 5.2 that occurred on January 31 at 09:38:37.576 UTC (January 31, 00:38:37.576 AKST), 30 miles S of Kantishna.

Notable Events in Descending Order of Magnitude

January 31 at 09:38:37.576 UTC (January 31, 00:38:37.576 AKST), Ml 5.2, 63.08N -150.94W, depth=132.9 km:

   A moderate earthquake was located in CENTRAL ALASKA.

   This event was felt widely in the Anchorage and Mat-Su Valley region, Talkeetne, Clear

   and Cantwell.

    This earthquake was:

   30 miles ( 49 km)   S of Kantishna

   59 miles ( 95 km) NNW of Talkeetna

   66 miles (105 km) WSW of Cantwell

 

 January  9 at 19:20:04.824 UTC (January  9, 10:20:04.824 AKST), Ml 5.2, 52.49N -169.48W, depth=72.7 km:

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

   This event was felt in Nikolski.

    This earthquake was:

   40 miles ( 65 km)  SW of Nikolski

  107 miles (171 km)   E of Amukta Pass

  155 miles (250 km)  SW of Unalaska

 

 January 11 at 19:42:45.572 UTC (January 11, 10:42:45.572 AKST), Ml 5.0, 51.22N -177.91W, depth=26.1 km:

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

    This earthquake was:

   71 miles (113 km)  SW of Adak

  135 miles (217 km)   E of Amchitka

  173 miles (278 km) WSW of Atka

 

 January 18 at 11:18:15.882 UTC (January 18, 02:18:15.882 AKST), Ml 4.6, 51.09N -179.56W, depth=50.8 km:

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

    This earthquake was:

   69 miles (111 km) ESE of Amchitka

  136 miles (219 km) WSW of Adak

  212 miles (341 km) ESE of Buldir Is

 

 January 26 at 14:26:13.790 UTC (January 26, 05:26:13.790 AKST), Ml 4.5, 62.01N -152.39W, depth=141.9 km:

   A light earthquake was located in CENTRAL ALASKA.

   This event was felt in Anchorage and Mat-Su Valley.

    This earthquake was:

   40 miles ( 64 km)   W of Skwentna

   77 miles (124 km) WSW of Talkeetna

   77 miles (124 km) NNW of Tyonek

 

 January 16 at 02:50:02.847 UTC (January 15, 17:50:02.847 AKST), Ml 4.3, 52.32N -167.93W, depth=24.0 km:

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

    This earthquake was:

   58 miles ( 94 km)  SE of Nikolski

  122 miles (196 km) SSW of Unalaska

  123 miles (198 km) SSW of Dutch Harbor

 

 January 13 at 05:46:09.656 UTC (January 12, 20:46:09.656 AKST), Ml 4.3, 52.22N -176.29W, depth=191.0 km:

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

    This earthquake was:

   29 miles ( 46 km) NNE of Adak

   88 miles (142 km)   W of Atka

  181 miles (292 km)   W of Amukta Pass

 

 January 26 at 16:32:46.265 UTC (January 26, 07:32:46.265 AKST), Ml 4.3, 53.85N -163.83W, depth=25.5 km:

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

    This earthquake was:

   71 miles (115 km) SSW of False Pass

   81 miles (131 km) ESE of Akutan

  102 miles (165 km) SSW of Cold Bay

 

 January 10 at 15:28:13.579 UTC (January 10, 06:28:13.579 AKST), Ml 4.2, 53.28N -166.26W, depth=28.0 km:

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

   This event was felt in Unalaska.

    This earthquake was:

   42 miles ( 68 km) SSE of Unalaska

   43 miles ( 69 km) SSE of Dutch Harbor

   62 miles (100 km) SSW of Akutan

 

 January 16 at 21:40:10.530 UTC (January 16, 12:40:10.530 AKST), Ml 4.2, 58.15N -136.85W, depth=13.1 km:

   A light earthquake was located in SOUTHEASTERN ALASKA.

    This earthquake was:

   19 miles ( 31 km)   W of Elfin Cove

   27 miles ( 43 km) WNW of Pelican

   44 miles ( 72 km) WSW of Gustavus

 

 January 22 at 14:44:06.486 UTC (January 22, 05:44:06.486 AKST), Ml 4.2, 51.75N -178.31W, depth=76.5 km:

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

    This earthquake was:

   71 miles (115 km)   W of Adak

  116 miles (187 km)   E of Amchitka

  178 miles (286 km)   W of Atka

 

 January  4 at 14:15:24.468 UTC (January  4, 05:15:24.468 AKST), Ml 4.2, 60.09N -153.38W, depth=158.8 km:

   A light earthquake was located in SOUTHERN ALASKA.

   This event was felt in Funny River.

    This earthquake was:

   33 miles ( 52 km)  NE of Pedro Bay

   33 miles ( 53 km) ESE of Port Alsworth

   51 miles ( 82 km)   E of Nondalton

 

 January 10 at 14:19:29.253 UTC (January 10, 05:19:29.253 AKST), Ml 4.0, 50.24N -173.53W, depth=10.7 km:

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

    This earthquake was:

  138 miles (222 km) SSE of Atka

  160 miles (258 km) SSW of Amukta Pass

  177 miles (284 km)  SE of Adak

 

 January  3 at 08:05:30.000 UTC (January  2, 23:05:30.000 AKST), Ml 4.0, 53.56N -166.66W, depth=69.6 km:

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

    This earthquake was:

   22 miles ( 36 km) SSW of Unalaska

   24 miles ( 38 km) SSW of Dutch Harbor

   54 miles ( 87 km)  SW of Akutan

 

 

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.