Weekly Seismicity Report For
April 10, 2017 to April 16, 2017

During the week of April 10, 2017, the Alaska Earthquake Center reported 971 earthquakes within the state. The largest earthquake was magnitude 3.9 that occurred on April 11 at 04:03:33.554 UTC (April 10, 20:03:33.554 AKDT), 67 miles ENE of Amchitka. No events were felt.

Notable Events in Descending Order of Magnitude

April 11 at 04:03:33.554 UTC (April 10, 20:03:33.554 AKDT), Ml 3.9, 51.82N -179.51W, depth=85.8 km:

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

    This earthquake was:

   67 miles (108 km) ENE of Amchitka

  122 miles (196 km)   W of Adak

  197 miles (317 km)   E of Buldir Is

  227 miles (366 km)   W of Atka

 

 April 11 at 06:26:00.937 UTC (April 10, 22:26:00.937 AKDT), Ml 3.8, 52.72N -166.72W, depth=10.0 km:

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

    This earthquake was:

   80 miles (128 km)   S of Unalaska

   81 miles (131 km)   S of Dutch Harbor

   91 miles (146 km)   E of Nikolski

  105 miles (169 km) SSW of Akutan

 

 April 10 at 08:35:00.821 UTC (April 10, 00:35:00.821 AKDT), Ml 3.7, 53.93N -164.75W, depth=29.1 km:

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

    This earthquake was:

   44 miles ( 70 km) ESE of Akutan

   72 miles (116 km)   E of Dutch Harbor

   73 miles (117 km)   E of Unalaska

   83 miles (134 km)  SW of False Pass

 

 April 10 at 05:55:52.114 UTC (April  9, 21:55:52.114 AKDT), Ml 3.7, 58.88N -154.54W, depth=122.9 km:

   A minor earthquake was located in ALASKA PENINSULA.

    This earthquake was:

   39 miles ( 63 km) SSE of Kokhanok

   57 miles ( 92 km) ESE of Iguig

   59 miles ( 95 km) SSE of Newhalen

   62 miles ( 99 km) SSE of Iliamna

 

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.