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7.9 Quake Shuts Down the Alaska Pipeline

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  Headlines
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• Magnitude 7.1 - Off West Coast Of The South Island, N.Z., November 22, 2004

A 7.9 earthquake struck near Denali National Park on Sunday, November 3, 2002 at 1:12:41 PM (Alaska Time), about 75 miles south of Fairbanks and 175 miles northeast of Anchorage. A magnitude 6.7 earthquake rattled the same area last month.

7.9 Alaska Quake Overhead Map
(Photo courtesy U.S. Geological Survey)

The quake forced the trans-Alaska oil pipeline to shut down after some supports holding the line up were damaged. The earthquake sheared off eight metal shoes upon which the pipeline's vertical supports rest, and some crossbeams that connect vertical supports were also damaged. The pipeline delivers about 1 million barrels of crude oil a day, will stay shut at least through Monday while crews assess the damage.

In addition to damaging some of the oil pipeline's vertical supports, Sunday's earthquake cracked some sections of highways in interior Alaska, forcing partial or complete closures, the Alaska State Troopers said. State officials received a report of one earthquake-related injury.

7.9 Alaska Quake
== PRELIMINARY EARTHQUAKE REPORT ==
Alaska Earthquake Information Center
Geophysical Institute, University of Alaska Fairbanks

Version #2: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.

A major earthquake occurred at 22:12:41 (UTC) - Coordinated Universal Time on Sunday, November 3, 2002. The magnitude 7.9 event occurred 66 km (41 miles) ESE of McKinley Park, AK. The hypocentral depth was 5 km ( 3 miles).


Magnitude 7.9 - local magnitude (Ml)
Time Sunday, November 3, 2002 at 22:12:41 (UTC) - Coordinated Universal Time
Sunday, November 3, 2002 at 6:12:41 PM (AST) - Atlantic
Sunday, November 3, 2002 at 5:12:41 PM (EST) - Eastern
Sunday, November 3, 2002 at 4:12:41 PM (CST) - Central
Sunday, November 3, 2002 at 3:12:41 PM (MST) - Mountain
Sunday, November 3, 2002 at 2:12:41 PM (PST) - Pacific
Sunday, November 3, 2002 at 1:12:41 PM (AKST) - Alaska
Sunday, November 3, 2002 at 12:12:41 PM (HST) - Hawaii
Distance from McKinley Park, AK - 66 km (41 miles) ESE (103 degrees)
Cantwell, AK - 70 km (43 miles) ENE (78 degrees)
Healy, AK - 94 km (58 miles) ESE (122 degrees)
Anchorage, AK - 283 km (176 miles) NNE (23 degrees)
Coordinates 63 deg. 31.0 min. N (63.517N)
147 deg. 31.5 min. W (147.525W)
Depth 5 km (3.1 miles)
Location Quality Poor
Location Quality
Parameters
Nst=058, Nph=058, Dmin=49.6 km, Rmss=0 sec, Erho=0 km, Erzz=0 km, Gp=54 degrees
Event ID# ak00020852
Additional Information 2-degree map
Did you feel it?

EarthquakeAdvisor.com and U.S. Geological Survey



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