Busy Day at the Pacific Rim of Fire

M6.5 quake strikes near Atka, Alaska

Strong quake measuring 6.5Mw struck about 77km (48mi) SSW of Atka, Alaska at 02:32 UTC, Wednesday, September 4, 2013.

The quake was centered at 51.592°N 174.760°W, and struck about 39.9km (24.8mi) deep, USGS/EHP reported.

NO tsunami reported.

Two significant aftershocks followed the mainshock, as of posting.

• 5.5Mw + 78km SSW of Atka, Alaska 2013-09-04 13:16:31 UTC+09:00 D=34.6 km
• 5.2Mw + 80km SW of Atka, Alaska 2013-09-04 14:15:56 UTC+09:00 D=44.8 km

The quake followed similar size shocks that struck Izu Islands, Japan Region and Bella Bella, Canada since late Tuesday.

Pacific Ring of Fire – Earthquake Location Map No. 2, Sept. 4, 2013. at 06:10UTC. Image source: USGS/EHP.

Pacific Ring of Fire – Earthquake Location Map No.1, Sept. 4, 2013 at 01:20UTC. Image source: USGS/EHP.

Related Links

• Strong Quakes Strike Japan, Canada Regions September 4, 2013
• https://feww.wordpress.com/earthquake/#comment-55956

Significant Aftershocks Continue to Rock Aleutian Islands

8 significant aftershocks strike Aleutian Islands, following M7.0 quake

At least 8 significant aftershocks, measuring 5.0Mw or larger, were among a swarm of dozen quakes that hit Aleutian Islands, Alaska, following a powerful 7.0 mainshock that occurred ESE of Adak, Alaska earlier today.

West Coast and Alaska Tsunami Warning Center said there was no tsunami advisory, watch or warning in effect after the mainshock.

The M7.0 quake struck about 94km (58mi) ESE of Adak, Alaska and was strongly felt in Adak, about 2,000km southwest of Anchorage, according to reports.

There was no report of major damage or injuries, as of posting.

Earthquake location Map. Source: USGS/EHP

Details of Mainshock

• Event Time: 2013-08-30 16:25:02 UTC
• Location: 51.610°N 175.361°W depth=33.5km (20.8mi)
• Nearby Cities
  • 94km (58mi) ESE of Adak, Alaska
  • 1,520km (944mi) SSE of Anadyr’, Russia

Global Tectonics Warning – April 27

Alaska Earthquake

FIRE-EARTH Model shows NEAR CRITICAL buildup of tectonic stress energy near the coast of Alaska.

Global Disasters

• 2011 Much More Disastrous
• 2010 Disasters
• 2011 Disaster Calendar

Related Links:

• Global Tectonics Alert
• Alaska Earthquake Forecast: Update 3
• Global Tectonics Alert – April 9

Alaska Earthquake Forecast: Update 2

A great earthquake may strike Alaska in 2009

FEWW Alaska Earthquake Forecast – Update # 2

FEWW Moderators believe a magnitude 9.2Mw earthquake could strike Alaska anytime.

Details of FEWW Alaska Earthquake Forecast were initially posted at Magnitude MW 5.7 Quake Hits Southern Alaska on January 26, 2009, and were subsequently revised in FEWW: Alaska Earthquake Warning on August 6, 2009.

FEWW has now revised the Alaska Earthquake Forecast as follows:

• Magnitude: 9.2
• Probability of occurrence: 0.8
• Estimated date of occurrence: November 19, 2009
  
• Date uncertainty: +/- 90 days.
• Estimated Location: 60.414N, 149.496W
• Location uncertainty: Radius of about 50km from the estimated epicenter
  
• Estimated depth: 8km [+/-2.6km]

FEWW Alaska Earthquake Forecast. Approximate location. Source of original map: Google Earth. Map may be subject to copyright.

Related Links:

• FEWW: Alaska Earthquake Warning
• Magnitude MW 5.7 Quake Hits Southern Alaska
• Earthquakes [Links Page]