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News about Mauna Loa.

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USGS HVO Press Release — Mauna Loa: How well do you know the volcano in your backyard?

USGS HVO Press Release — Mauna Loa: How well do you know the volcano in your backyard?

Hawai‘i ISLAND, Hawaii — Mauna Loa's eruptive history and current status are the topics of a talk by Frank Trusdell, U.S. Geological Survey Hawaiian...

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Volcano Watch — Mauna Loa is still the largest ACTIVE volcano on Earth

Volcano Watch — Mauna Loa is still the largest ACTIVE volcano on Earth

Despite reports to the contrary, Mauna Loa is still the largest ACTIVE volcano on Earth. The volcano off the east coast of Japan, which made the news...

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Volcano Watch — If a picture is worth a thousand words, a geologic map is priceless

Volcano Watch — If a picture is worth a thousand words, a geologic map is priceless

Cartography, the art or science of making maps, is alive and well at the Hawaiian Volcano Observatory (HVO).

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Volcano Watch — Mauna Loa's 1984 eruption taught us much about how lava flows work

Volcano Watch — Mauna Loa's 1984 eruption taught us much about how lava flows work

In recognition of Volcano Awareness Month (January 2013), this column explores some of the most scientifically important eruptions to have occurred in...

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Volcano Watch — Mauna Loa—out of the limelight but not down for the count!

Volcano Watch — Mauna Loa—out of the limelight but not down for the count!

A new fact sheet on Mauna Loa titled "Mauna Loa—History, Hazards, and Risk of Living With the World’s Largest Volcano" is now available. This week's...

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Volcano Watch — Eyes to the sky measure volcanic gas passing by

Volcano Watch — Eyes to the sky measure volcanic gas passing by

The use of fingerprints, first considered as a means of identification in the 1880s, is now ubiquitous in murder mysteries, TV crime shows, and...

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Volcano Watch — Why do swarms of earthquakes occur around the Ka‘ōiki Pali?

Volcano Watch — Why do swarms of earthquakes occur around the Ka‘ōiki Pali?

This question stems from the earthquake swarm that occurred near Nāmakanipaio Campground along the north end of the Ka‘ōiki Pali on February 22-24...

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USGS HVO Press Release — Hear about Mauna Loa's eruptive history and current status in a West Hawai‘i presentation

USGS HVO Press Release — Hear about Mauna Loa's eruptive history and current status in a West Hawai‘i presentation

HAWAI‘I ISLAND, Hawai‘i — Mauna Loa, the largest volcano on Earth, is the topic of a presentation at Pu‘uhōnua o Honaunau National Historical Park on...

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USGS HVO Press Release — Mauna Loa: How Well Do You Know the Volcano in Your Backyard?

USGS HVO Press Release — Mauna Loa: How Well Do You Know the Volcano in Your Backyard?

Hawai‘i National Park, HI — Mauna Loa’s past eruptions and current status are the topic of an “After Dark in the Park” program in Hawai‘i Volcanoes...

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USGS HVO Press Release — Current status of Hawai‘i Island's volcanoes presented in Kona

USGS HVO Press Release — Current status of Hawai‘i Island's volcanoes presented in Kona

Hawai‘i ISLAND, Hawai‘i – The current status of Hawai‘i Island's active volcanoes and how they are monitored will be the topic of a Volcano Awareness...

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Volcano Watch — A look back at Mauna Loa

Volcano Watch — A look back at Mauna Loa

Hikers reaching the rim of Moku‘āweoweo, Mauna Loa's summit caldera, can gaze across the expanse of lava—erupted in 1984—that covers most of the...

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Volcano Watch — "Things are not always what they seem; the first appearance deceives many..."

Volcano Watch — "Things are not always what they seem; the first appearance deceives many..."

The Hawaiian Islands are home to numerous beautiful landforms. The islands themselves are volcanoes, but these volcanoes are speckled with secondary...

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