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Faults Underlying Exercise Vigilant Guard

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Scenario Built on Possibility of Earthquakes

Story by: (Author NameStaff Sgt. Raymond Drumsta - 138th Public Affairs Detachment
  Dated: Thu, Nov 5, 2009

Faults Underlying Exercise Vigilant Guard
This map illustrates the earthquake fault lines in Western New York. An earthquake in the region is a likely event, says University of Buffalo Professor Dr. Robert Jacobi.

TONAWANDA, NY -- An earthquake in western New York, the scenario that Exercise Vigilant Guard is built around, is not that far-fetched, according to University of Buffalo geology professor Dr. Robert Jacobi.

When asked about earthquakes in the area, Jacobi pulls out a computer-generated state map, cross-hatched with diagonal lines representing geological faults.

The faults show that past earthquakes in the state were not random, and could occur again on the same fault systems, he said.

“In western New York, 6.5 magnitude earthquakes are possible,” he said.

This possibility underlies Exercise Vigilant Guard, a joint training opportunity for National Guard and emergency response organizations to build relationships with local, state, regional and federal partners against a variety of different homeland security threats including natural disasters and potential terrorist attacks.

The exercise was based on an earthquake scenario, and a rubble pile at the Spaulding Fibre site here was used to simulate a collapsed building. The scenario was chosen as a result of extensive consultations with the earthquake experts at the University of Buffalo’s Multidisciplinary Center for Earthquake Engineering Research (MCEER), said Brig. Gen. Mike Swezey, commander of 53rd Troop Command, who visited the site on Monday.

Earthquakes of up to 7 magnitude have occurred in the Northeastern part of the continent, and this scenario was calibrated on the magnitude 5.9 earthquake which occurred in Saguenay, Quebec in 1988, said Jacobi and Professor Andre Filiatrault, MCEER director.

“A 5.9 magnitude earthquake in this area is not an unrealistic scenario,” said Filiatrault.

Closer to home, a 1.9 magnitude earthquake occurred about 2.5 miles from the Spaulding Fibre site within the last decade, Jacobi said. He and other earthquake experts impaneled by the Atomic Energy Control Board of Canada in 1997 found that there’s a 40 percent chance of 6.5 magnitude earthquake occurring along the Clareden-Linden fault system, which lies about halfway between Buffalo and Rochester, Jacobi added.

Jacobi and Filiatrault said the soft soil of western New York, especially in part of downtown Buffalo, would amplify tremors, causing more damage.

“It’s like jello in a bowl,” said Jacobi.

The area’s old infrastructure is vulnerable because it was built without reinforcing steel, said Filiatrault. Damage to industrial areas could release hazardous materials, he added.

“You’ll have significant damage,” Filiatrault said.

Exercise Vigilant Guard involved an earthquake’s aftermath, including infrastructure damage, injuries, deaths, displaced citizens and hazardous material incidents. All this week, more than 1,300 National Guard troops and hundreds of local and regional emergency response professionals have been training at several sites in western New York to respond these types of incidents.

Jacobi called Exercise Vigilant Guard “important and illuminating.”

“I’m proud of the National Guard for organizing and carrying out such an excellent exercise,” he said.

Training concluded Thursday.

© NYS DMNA News Story: Faults Underlying Exercise Vigilant Guard
URL: http://dmna.ny.gov/news/?id=1257468759
Page Last Modified: Thu, Nov 5, 2009