Last Updated Stories in sonar

Mass dolphin strandings blamed on military sonar

Mass dolphin strandings in some parts of the world are being blamed on military sonar, as the animals become temporarily deaf for about 40 minutes after sonar has passed through the region. Hearing is important to...

Safety zones for sonar issued to help whales off East Coast

Rules were announced yesterday by the Federal Fisheries regulators to protect marine mammals during sonar training by the Navy off the Atlantic Coast and the Gulf of Mexico. The rules require that the Navy conduct...

US court rules in favour of Navy over whales

Before, the US was asking ships to cut their speed to save the whales, however now, the US court has ruled in favour of their Navy, and lifted the ban on the use of sonar in training exercises in California, which...

CO2 could worsen whales’ sonar

Whales already have to contend with military sonar excercises to hear each other, but yesterday it was revealed that the burning of fossil fuels could be making the problem worse for them.Increased carbon dioxide...

Royal Navy's sonar testing may have killed dolphins off Cornish coast

Investigators may have found the cause of the mysterious mass dolphin deaths in the UK. Some special testing by the Royal Navy may have killed them."The Royal Navy had been testing sonar equipment only miles from the bay where dozens of dolphins met an agonising death.Another...

Mystery of dolphin mass stranding

People are still struggling to find out why a crew of dolphins was washed ashore and killed in Cornwall, UK. They were trapped in a river creek and died, but the cause is unknown."Initial post-mortem examinations of some of the 26 dolphins found dead in Cornwall have so far...

Diplo, Spank Rock, Justice to play Sonar Festival 2008

Every year around this time I whisper the same thing, "Maybe I should go somewhere. Hmm.  Maybe Barcelona in June? For a huge festival of amazing art and music? Yeah! This year I'm going to finally go to...

Top 7 Ultrasound Emitting Animals

Human ear cannot detect sounds that have frequencies lower than 20 Hz (infrasounds) or over 20 kHz (called ultrasounds). That's why some species may appear quite silent for us, while in fact they are very noisy... We only lack their hearing to figure this out.1.Dolphins and...

Hawaiian voices ignored as Navy Games set to begin

Two weeks ago a public forum was held in Hawaii to discuss the US Navy's Hawaii Range Complex environmental impact statement, a draft that since been approved, which outlines the proposed impact of the upcoming...

Judge Says Sonar Hurts Whales, Orders NAVY to Quit Using it

An environmental group says the whales don't want to be exposed to the Navy's powerful sonar. And today a federal judge agreed. The judge has banned the Navy from using high-power sonar during exercises in the...

Moths Trick Bats With Sound

Using biosonar (aka echolocation), bats are able to swoop over your head at night without incident, snacking on those buzzing mosquitoes swarming above you."Echolocating animals have two ears positioned slightly...

Killing whales in Southern CA: U.S. Navy uses lethal sonar

Last week in Long Beach the CA Coastal Commission, by a vote of 8 to 1, agreed to approve two years of proposed U.S. Naval exercises off of Southern California only if the U.S. Navy implements mitigation measures to protect marine mammals from the potentially lethal...

Lost jet: Deep sea probe under way

"MAKASSAR, Indonesia (Reuters) -- A U.S. navy ship joined the search on Tuesday for an Indonesian airliner that went missing eight days ago with 102 people aboard, with the hunt focusing on a large metal object far down on the sea floor. The object was discovered on Monday by...

Sonar helps find six bodies in Utah lake

"For more than a decade, the remains of several boaters have been hidden in the dark, cold depths of this 26-square-mile lake high in the Uinta National Forest."

Archaeology: Lost city 'could rewrite history'

The remains of what has been described as a huge lost city may force historians and archaeologists to radically reconsider their view of ancient human history.Marine scientists say archaeological remains discovered 36 metres (120 feet) underwater in the Gulf of Cambay off the...

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