Tagged: Sonar

Cause Of Orca Death Unknown
5:21 pm
Tue May 15, 2012

Report Inconclusive On What Killed Orca L112

Credit Cascadia Research
Orca L112 was necropsied near Long Beach, Washington.

Scientists are still trying to pinpoint the cause of death for a young female orca that washed up near Long Beach, Washington in February.

The National Oceanic and Atmospheric Administration released a report today with details from the whale’s necropsy.

Right now scientists still aren’t sure what caused the death of orca L112, also known as “Victoria”.

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Navy Sonar Testing
3:33 pm
Tue March 20, 2012

Navy Looks To Renew Permits for Sonar Testing In The Northwest

Credit Photo courtesy of US Navy 2008
Naval Aviation Electronics Technician performing a sonar test.

Right now the Navy is allowed to use sonar for testing and training exercises off the Northwest coast and down to Northern California. There is evidence that using sonar may interfere with marine mammal behavior – and even damage hearing and cause stranding. But the Navy’s use of sonar could change if it doesn’t get its permits renewed by 2015.

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