Weekly Seismicity Report For
February 6, 2017 to February 12, 2017

During the week of February 6, 2017, the Alaska Earthquake Center reported 771 earthquakes within the state. The largest earthquake was magnitude 4.3 that occurred on  February 11 at 16:45:17.431 UTC (February 11, 07:45:17.431 AKST), 78 miles SW of Adak. One event was felt.

Notable Events in Descending Order of Magnitude

February 11 at 16:45:17.431 UTC (February 11, 07:45:17.431 AKST), Ml 4.3, 51.15N -178.03W, depth=25.9 km:

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

    This earthquake was:

   78 miles (125 km)  SW of Adak

  131 miles (211 km)   E of Amchitka

  179 miles (289 km) WSW of Atka

  271 miles (436 km) WSW of Amukta Pass

 

 February 12 at 01:35:24.681 UTC (February 11, 16:35:24.681 AKST), Ml 4.0, 59.29N -153.67W, depth=121.8 km:

   A light earthquake was located in SOUTHERN ALASKA.

    This earthquake was:

   37 miles ( 60 km) SSE of Pedro Bay

   41 miles ( 66 km) ESE of Kokhanok

   52 miles ( 84 km)  SE of Newhalen

   54 miles ( 87 km)  SE of Iliamna

 

 February  6 at 18:10:23.101 UTC (February  6, 09:10:23.101 AKST), Ml 3.9, 51.18N -178.14W, depth=25.6 km:

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

    This earthquake was:

   80 miles (128 km)  SW of Adak

  126 miles (202 km)   E of Amchitka

  182 miles (294 km) WSW of Atka

  266 miles (428 km) ESE of Buldir Is

 

 February  7 at 17:18:34.327 UTC (February  7, 08:18:34.327 AKST), Ml 3.8, 51.28N -174.51W, depth=24.7 km:

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

    This earthquake was:

   64 miles (103 km) SSW of Atka

  101 miles (163 km) ESE of Adak

  130 miles (209 km) WSW of Amukta Pass

  265 miles (427 km) WSW of Nikolski

 

 February  6 at 04:45:18.262 UTC (February  5, 19:45:18.262 AKST), Ml 3.8, 59.84N -152.87W, depth=100.8 km:

   A minor earthquake was located in SOUTHERN ALASKA.

   This event was felt in Homer.

    This earthquake was:

   37 miles ( 59 km)   W of Anchor Point

   43 miles ( 69 km)   E of Pedro Bay

   44 miles ( 71 km) WSW of Ninilchik

   47 miles ( 76 km)  NW of Nanwalek

 

 February  6 at 20:28:44.896 UTC (February  6, 11:28:44.896 AKST), Ml 3.5, 51.65N 179.53W, depth=78.8 km:

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

    This earthquake was:

   24 miles ( 39 km) ENE of Amchitka

  161 miles (259 km) ESE of Buldir Is

  164 miles (264 km)   W of Adak

  241 miles (387 km) ESE of Shemya

 

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.