Coast Guard Helps Deploy Seismic Sensors in Southeast Alaska

USCG News
Thursday, May 02, 2013
Photo: USCG

The crew of the Coast Guard Cutter Maple worked with scientists from the U.S. Geological Survey to deploy 12 seismic sensors along the Queen Charlotte-Fairweather Fault, northwest of Craig, Alaska.

The team placed the ocean-bottom seismometers along a 28-mile section of the Queen Charlotte-Fairweather Fault to improve understanding of recent earthquake activity and associated seismic and tsunami hazards in Southeast Alaska coastal communities.

"The Queen Charlotte-Fairweather fault is similar to the northern San Andreas fault, with the same earthquake potential," said Dr. Peter Haeussler, a research geologist with the USGS. "A problem is that it is located entirely offshore, so it is much harder to study."

The Maple, a 225-foot buoy tender homeported in Sitka, has all the necessary equipment on board to handle hefty equipment like the OBS.

"Our crew uses the buoy deck and crane to routinely service aids to navigation of all shapes and sizes," said Lt. Cmdr. Fred Seaton, commanding officer of the Maple. "We were more than happy to assist the USGS in deploying equipment that will raise earthquake and tsunami awareness in Southeast Alaska."

The crew deployed the 12 seismometers over two days before returning to Sitka. These instruments, and the data they record, are due to be recovered in early June.

"The Coast Guard's willingness to provide a ship for the deployment allowed us to take advantage of a unique opportunity to observe aftershock activity and learn more about fault structure and expected long-term seismic behavior in the region," Haeussler said.

www.uscgnews.com

 

  • Photo: USCG

    Photo: USCG

Maritime Reporter June 2014 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

Coast Guard

US Coast Guard Travelling Inspectors' Centenary

July 2014 marked the 100th anniversary of the traveling inspection staff, originally created under the Steamboat Inspection Service. These travelers are highly

Pumps Reach Sinking Shrimper Just in Time

A commercial fishing vessel from Brownsville is slowly making its way back to port, thanks to some quick actions by its crew and Coast Guard units, informs the US Coastguard,

Charter Boat Crew Rescued in Gulf of Mexico

U.S. Coast Guard search and rescue crews worked throughout the night to find a missing charter boat with four people aboard as far as 70 miles off Galveston. A

Ocean Observation

Huge Waves Measured for First Time in Arctic Ocean

As the climate warms and sea ice retreats, the North is changing. An ice-covered expanse now has a season of increasingly open water which is predicted to extend

Rosneft Starts Up Field Work in the Kara Sea

On July 24 this year, research vessel Geolog Dmitry Nalivkin sailed from Kirkenes (Norway) to the Kara Sea. In the next three months 2D seismic survey, will

Second Typhoon Threatens Taiwan

The Taiwan military was collecting and distributing sandbags to guard against possible flooding on Tuesday as a typhoon bore down on the island after brushing the Philippines.

 
 
Maritime Careers / Shipboard Positions Maritime Contracts Maritime Security Maritime Standards Naval Architecture Pod Propulsion Port Authority Ship Electronics Shipbuilding / Vessel Construction Winch
rss | archive | history | articles | privacy | terms and conditions | contributors | top maritime news | about us | copyright | maritime magazines
maritime security news | shipbuilding news | maritime industry | shipping news | maritime reporting | workboats news | ship design | maritime business

Time taken: 0.1778 sec (6 req/sec)