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Posts Tagged ‘Earthquake forecasts’

NOTICE: New Zealand Earthquake Forecasts

Posted by feww on April 16, 2011

Earthquake Forecasts for New Zealand Region

FIRE-EARTH Moderators have decided NOT to post specific earthquake forecasts for New Zealand Region until further notice.

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Posted in earthquake, earthquake 2011, earthquake forecast, new zealand disasters, New Zealand earthquake, New Zealand earthquake forecast | Tagged: | 3 Comments »

Two Powerful Quakes Strike Fox Islands, Alaska

Posted by feww on October 14, 2009

Two powerful Earthquakes Measuring 6.5 and 6.6 Mw Strike Fox Islands, Aleutian Islands, Alaska

The first earthquake a magnitude 6.5 quake struck on Tuesday, October 13, 2009 at 05:37:21 UTC at a depth of 18 km, followed by a swarm of smaller aftershocks and a second powerful shock measuring 6.6Mw, which struck some 15 hours later.

An earlier quake, also measuring M 6.6, struck the same region about 250km WNW of the recent cluster on October 2, 2009.
Two Powerful Quakes Strike Fox Islands, Alaska

FEWW Moderators have forecast a large earthquake for Kenai Peninsula, Southern Alaska. See links below

Based on the pattern in which the recent quakes are occurring, the Moderators believe a prolonged period of powerful seismic activity in the region may have begun.

This Earthquake:

10-degree Map Centered at 55°N,170°W

2009 October 13 20 -21- 54 UTC
Earthquake Location Map.
Source: USGS/EHP. Enhanced by FEWW

  • Magnitude: 6.6  [maximum quake magnitude estimated by FEWW]
  • Date-Time:
    • Tuesday, October 13, 2009 at 20:21:54 UTC
    • Tuesday, October 13, 2009 at 12:21:54 PM at epicenter
  • Location: 52.634°N, 167.149°W
  • Depth: 13.7 km (8.5 miles) (poorly constrained)
  • Distances:
    • 120 km (75 miles) ESE (106°) from Nikolski, AK
    • 146 km (90 miles) SSW (197°) from Unalaska, AK
    • 190 km (118 miles) SSW (209°) from Akutan, AK
    • 1413 km (878 miles) SW (236°) from Anchorage, AK
  • Location Uncertainty: horizontal +/- 8 km (5.0 miles); depth +/- 27.6 km (17.1 miles)
  • Source: USGS NEIC (WDCS-D)
  • Event ID: us2009mscj

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Posted in Akutan quake, Earthquakes, feww earthquake forecast, North American plate, Pacific Plate, Plate Tectonics, seismic event report | Tagged: , , , , , | 3 Comments »

FEWW: Alaska Earthquake Warning

Posted by feww on August 6, 2009

A powerful earthquake could strike Alaska anytime

Based on the FEWW ‘EarthModel’ simulations, Moderators believe a powerful earthquake may strike Alaska anytime [probability of 0.8]

Previous FEWW Forecast

FEWW Forecast: An area within approximately 300-km radius of Anchorage would be one of the seismic zones in Alaska to experience continued intense seismic activity this year possibly including a magnitude MW 7.9 or larger quake close to Anchorage  (south of the city, north of Rugged Island).

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

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Posted in Anchorage, anchorage quake forecast, Rugged Island quake forecast, seismic activity, seismic hazard warning | Tagged: , , | 2 Comments »