Larry Brown

A READER RECENTLY BROUGHT TO OUR ATTENTION that over the years multiple Alert Diver contributors have credited a particular dive instructor with providing training that saved their lives. Upon researching […]

TOKITAE the killer whale, the beloved 57-year-old orca died Aug. 18 2023, One Ocean One Health Center, The Lummi Nation’s ancestorial connection to Tokitae, torcas were captured in Penn Cove Washington, Miami Seaquarium in Florida, conservation of wild populations, Stephen McCulloch, Alert Diver magazine Q4 2023

Salmon Run

IN THE ADAMS RIVER IN BRITISH COLUMBIA, huge flows of sockeye salmon swim upstream to complete their life cycle, marked by the compelling need to return to their birthplace to […]

sockeye salmon, spawning salmon, British Columbia, photography techniques, Alert Diver magazine Q4 2023

Wildfires and Breathing-Gas Contamination

WITH WILDFIRES RAGING IN CANADA, ITALY, GREECE, THE U.S., and elsewhere, divers and dive operators have called DAN Medical Services and DAN Safety Services with concerns about whether the smoke […]

wildfire smoke and diving air cylinders, Alert Diver Q4 2023

Una-Una: A Hidden Paradise

Everything changed for Una-Una on July 14, 1983, when a volcanic eruption destroyed the central hub of Indonesia’s Togean Islands in central Sulawesi. Lava covered 90 percent of the island, and thick, black smoke rose into the sky more than 9 miles high. The Indonesian Navy had evacuated all 7,100 inhabitants when the volcano gave signs of its impending eruption, preventing any loss of life. 

Massive Gorgonia soft corals dot the offshore pinnacles

DAN Emergency Hotline

WHEN YOU NEED IT MOST, DAN will be here to help. We coordinate emergency evacuations and cover the costs for our members up to US$500,000 per person. Every DAN member […]

DAN Emergency Hotline, Alert Diver magazine Q4 2023

SCUBAnauts

FOR MORE THAN 20 YEARS the nonprofit marine science education program known as SCUBAnauts International (SNI) has introduced young people ages 12 to 18 to informal science education through underwater […]

science education through underwater exploration, SCUBAnauts International (SNI) , Many Nauts plan to study marine sciences or dive research, the full DAN Diving First Aid for Professional Divers course, focus on marine research and undersea conservation projects, Nauts master the dive skills necessary to be safe in the water, Alert Diver magazine Q4 2023

Komodo Islands Close Encounter

BEING STUNG BY A LIONFISH is like being bitten by a poisonous snake. I found that out the hard way.

Lionfish

Connecticut: From the Shoreline

BETWEEN NEW YORK AND BOSTON LIES HARTFORD, the heartbeat of Connecticut. Visitors there can tour the Mark Twain House, Harriet Beecher Stowe Center, and the Wadsworth Atheneum Museum of Art. […]

dive sites in Connecticut an hour’s drive of Hartford, Connecticut’s shores are easy to access , Brownstone Quarry, Bigelow Hollow State Park, Diving Bigelow Pond, Brownstone Quarry, Stonington Point, Alert Diver magazine Q4 2023

Wolf-Eels

ASK DIVERS IN THE PACIFIC NORTHWEST what makes for a great dive, and most will agree that a wolf-eel (Anarrhichthys ocellatus) is involved. There is something about the face of […]

Alert Diver a wolf-eel enjoys a green sea urchin, Wolf-eels have a slimy coating, Salish Sea’s cold waters, Puget Sound and Hood Canal, wolf-eels are not endangered, Sund Rock in Hood Canal, wolfies are not related to eels, Alert Diver magazine Q4 2023magazine Q4 2023