Skip to main content
U.S. flag

An official website of the United States government

News

Filter Total Items: 3780
Volcano Watch — Scientists explore Mauna Loa's submarine flanks

Volcano Watch — Scientists explore Mauna Loa's submarine flanks

Last month, some readers may have noticed a ship cruising back and forth off South Point and the South Kona districts of the Island of Hawai`i.

Read Article
Volcano Watch — 'Tis the season for tinsel and trees: celebrating Hawai`i's own unusual trees

Volcano Watch — 'Tis the season for tinsel and trees: celebrating Hawai`i's own unusual trees

This is the season when the aroma of pine and fir greets KTA supermarket shoppers as they arrive to buy their fish and poi. Although more than 60,000...

Read Article
Volcano Watch — Coexisting with volcanoes

Volcano Watch — Coexisting with volcanoes

Volcanoes have been in the news a lot lately: Etna (Italy), Reventador (Ecuador), Pago (New Britain, Papua New Guinea), Popocatepetl (Mexico)-even our...

Read Article
Volcano Watch — Large earthquakes and inflated or inflating volcanoes

Volcano Watch — Large earthquakes and inflated or inflating volcanoes

Friday, November 29, marked the 27th anniversary of the second largest earthquake to occur in Hawai`i. The magnitude-7.2 earthquake originated beneath...

Read Article
Volcano Watch — New insights from old ash

Volcano Watch — New insights from old ash

Many people remember that Mount St. Helens erupted with terrible ferocity on May 18, 1980, after a long dormant period. In fact, this is the date now...

Read Article
Volcano Watch — Massive Alaskan earthquake rocks the mainland

Volcano Watch — Massive Alaskan earthquake rocks the mainland

On November 3, one of the largest recorded earthquakes to strike the U.S. mainland rocked the interior of Alaska. The quake caused countless...

Read Article
Volcano Watch — Rising to great heights: rocks in the jet stream?

Volcano Watch — Rising to great heights: rocks in the jet stream?

Air travelers to Hawai`i are familiar with the jet stream. The strong, high-level winds typically come from the northwest and slow west-bound flights...

Read Article
Volcano Watch — What if the 1984 flow from Mauna Loa hadn't stopped?

Volcano Watch — What if the 1984 flow from Mauna Loa hadn't stopped?

Several recent "Volcano Watch" columns have dealt with Mauna Loa and the implications of renewed inflation of its summit. For better or worse, this...

Read Article
Volcano Watch — Calibrating earthquake counts beneath Mauna Loa

Volcano Watch — Calibrating earthquake counts beneath Mauna Loa

A "Volcano Watch" article several weeks ago indicated changes occurring atop Mauna Loa. Specifically, global positioning system (GPS) receivers on...

Read Article
Volcano Watch — "Methane" explosions-a volcanic hazard worth understanding

Volcano Watch — "Methane" explosions-a volcanic hazard worth understanding

Recent visitors to the coastal eruption site, especially those unwise enough to approach the flow margins where lava is encroaching on vegetation, are...

Read Article
Volcano Watch — What if it's a summit eruption?

Volcano Watch — What if it's a summit eruption?

In the Volcano Watch article two weeks ago, we broke the news that the summit area of Mauna Loa is swelling for the first time since 1993. If this...

Read Article
Volcano Watch — Inactive benches quickly become stable

Volcano Watch — Inactive benches quickly become stable

Many streams of lava entering the ocean are shattered to bits in the surf zone. These loose fragments gradually build layers of rubble on the steep...

Read Article