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Tuesday, April 20, 2021

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  • Maritime Musings (7) (X)

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The 1929 Grand Banks earthquake

Posted to Maritime Musings (by Dennis Bryant) on March 24, 2015

At about 5:02 pm on Monday, November 18, 1929, a 7.2 magnitude earthquake struck beneath the Laurentian Continental Slope about 250 miles south of the island of Newfoundland. The water there is about 7,000 feet deep. The earthquake was felt as far away as New York, Bermuda, and Montreal.

Elephant seal

Posted to Maritime Musings (by Dennis Bryant) on April 1, 2014

Elephant seals are large seals represented by two species, the northern elephant seal and the southern elephant seal. Both were hunted to near extinction through the end of the nineteenth century. The smaller northern elephant seal is found in the eastern portion of the North Pacific Ocean…

McMurdo Sound

Posted to Maritime Musings (by Dennis Bryant) on March 14, 2014

McMurdo Sound (approximately 35 miles long and 30 miles wide) connects the Ross Sea to the north to the Ross Ice Shelf on the coast of Antarctica due south of New Zealand. This body of water, frequently ice-covered, was discovered by Captain…

BIO Hesperides

Posted to Maritime Musings (by Dennis Bryant) on July 16, 2013

The BIO Hesperides (A-33) is an ice-strengthened oceanographic vessel of the Spanish Navy. It is named for the nymphs in Greek mythology believed to tend a blissful garden in a far western corner of the world on the shore of the Oceanus. The ship, built in Cartagena, Spain, was commissioned in 1991.

Gjøa

Posted to Maritime Musings (by Dennis Bryant) on July 10, 2012

The Gjøa is a 70-foot long, 48-ton sloop with a 13 horsepower marine paraffin auxiliary engine powering its single screw. It was built in 1872 (without the engine or screw) by Kurt Skaale, who named it for his wife. The vessel was used in the…

SOSUS-VENTS

Posted to Maritime Musings (by Dennis Bryant) on August 27, 2010

The Sound Surveillance System (SOSUS) is a US Navy program, initiated in the early 1950’s, to track Soviet or other potentially hostile submarines. It consists of a series of hydrophones strategically placed on seamounts and continental slopes…

Trireme - dreadnaught of the ancient Mediterranean

Posted to Maritime Musings (by Dennis Bryant) on March 5, 2010

The trireme was utilized as a warship in the Mediterranean Sea from the 7th century BC until the fall of the Roman Republic at about the commencement of the Christian era. No other warship design has survived in service for a comparable period. It was truly the dominant battleship of its day.