The Quasi-War with France (1798-1800) was the first military action of the new United States against a foreign nation. It was conducted almost entirely at sea, consisting mostly of engagements between the naval forces of the United States and the even newer French Republic.
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.
The gull is a sea bird of the family Laridae. Its cousin the tern is a sea bird of the family Sternidae. More distant relatives include auks, skimmers, and waders. Gulls are larger than terns. Feather coloration of the two species is similar – generally white or gray…
Christian Radich is a full-rigged ship, meaning that it has (at least) three masts and all of the masts are rigged for square (actuality rectangular) sails. It was built in Sandefjord, Norway in 1937 as a sail training vessel for the Norwegian merchant marine.
Internal waves, also known as solitary waves or solitons, are gravity waves that oscillate within a medium, such as water or air, rather than at the interface between two mediums. A common example would be a bottle of olive oil and vinegar.
The crown-of-thorns starfish is named for the venomous spines or thorns that cover its upper surface. The spines, as well as other portions of the body, contain powerful toxins. The spines are both sharp and brittle. They penetrate soft material…
Ternate is a relatively small (43 square mile) island in the Molucca Islands of Indonesia. For hundreds of years, it was the center of the Sultanate of Ternate, one of the wealthiest and most powerful governments in the region, exercising influence as far as Sulawesi and Papua.
The galleon eventually known as Ark Royal was ordered by Sir Walter Raleigh in 1586 as the Ark. Under the prevailing convention of the time, it was referred to by the owner’s name – thus Ark Raleigh. It was built by R. Chapman of Deptford with two gun decks…
The Lake Nicaragua shark is a common bull shark (Carcharhinus leucas) that has adapted to living, at least temporarily, in the fresh water of Lake Nicaragua and the San Juan River, which connects the lake to the Caribbean Sea. Similar adaptive…
River sharks (Glyphis) are five rare species found only in rivers and estuaries of South Asia and Austronesia. They are related to the larger bull sharks, which are sometimes found in the same waters, but unlike bull sharks, they do not migrate into marine waters.
The deck barge Marmac 300 (CG No. 1063184) was built in 1998 by Gulf Coast Fabrication in Pearlington, Mississippi for McDonough Marine Service, a tug and barge company based in Metairie, Louisiana. As built, it was 288 feet in length, with a 100 foot beam and a depth of almost 20 feet.
An ephemeris is a calendar giving the positions of naturally-occurring astronomical objects and, these days, artificial satellites in the sky at given times. Originally, the ephemerides were developed by and for astronomers at particular observatories.
The sea lily (Bourgueticrinida) is an order of marine animals referred to as crinoids. They are typically found in deep ocean waters (to a depth of about 18,000 feet). In their adult form, they are attached to the sea floor by means of a stalk.
The French explored and settled in the Saint Lawrence River valley (which they referred to as New France) during the sixteenth and seventeenth centuries. They sailed their ships as far inland as Lake Ontario, but were stymied by the Niagara Falls.
The Bonin Islands, also known as the Ogasawara Islands, are an archipelago of 30 tropical and subtropical islands in the western Pacific about 550 nautical miles almost due south of Tokyo. They are the most isolated of the inhabited Japanese islands.
The green crab (Carcinus maenas) is a crab common to littoral marine waters of the northeast Atlantic coast and the Baltic Sea. A related species (Carcinus aestuarii) can be found in the Mediterranean Sea. The adult carapace of the green crab is about 3.5 inches wide.
After the French fleet under Admiral Comte de Grasse deterred the Royal Navy from relieving General Cornwallis at Yorktown in 1781, it sailed to the Caribbean to put continued pressure on British interests in the Americas. The sugar plantations…
Robert John Le Mesurier McClure (1807-1873) joined the Royal Navy in 1824. He served as mate on the HMS Terror (a converted bomb ship) in the unsuccessful Frozen Strait Expedition of 1836-37. Afterwards, he served in the Canadian lakes and in various North American and West Indian naval stations.
After the assassination of Julius Caesar in 44 B.C., the Roman Republic was led by the Second Triumvirate, which consisted of Octavian (the adopted son of Julius Caesar), Mark Antony (the magister equitum of Caesar’s army), and Marcus Aemilius Lepidus (a political ally of Julius Caesar).
The vaquita porpoise is small by cetacean standards, averaging just over four feet in length. Identified as a separate species only in 1958, it is found exclusively at the northern end of the Gulf of California. The name is Spanish for “little cow”.