Hawaii's Mauna Loa volcano erupts (3)

Hawaii’s Mauna Loa volcano erupts

Is Mauna Loa still active?

The volcano’s longest quiet phase was 1984. Mauna Loa’s summit crater is 21 miles west of Kilauea, a smaller volcano that erupted in 2021.

What happens if Mauna Loa erupts?


Hawaii's Mauna Loa volcano erupts (2)

“Fast-moving and long-travelled lava flows” necessitate a “rapid response,” according to the U.S. Geological Survey. Volcanic gas and fine ash may potentially blow into surrounding communities.

Why is Mauna Loa so famous?

Mauna Loa is Earth’s largest active volcano. Hawaiian for “long mountain,” it is a shield volcano with broad, rounded sides. The 13,681-foot (4,170 m) volcano covers 51% of Hawaiʻi Island.


Is Mauna Loa its own island?

Hawaii’s southernmost island, the Big Island, has five volcanoes, including Mauna Loa.


Hawaii's Mauna Loa volcano erupts (4)

Is Mauna Loa a threat?

Activity Summary: Mauna Loa is not erupting.


Can you drive to the top of Mauna Loa?

Before you travel up the volcano, here are some particular warnings. This section requires a high-clearance 4-wheel drive vehicle.

How did Mauna Loa get so big?


The Pacific tectonic plate migrated over the Hawaii hotspot in the Earth’s mantle, creating Mauna Loa and other Hawaiian volcanoes.

How did Mauna Loa affect humans?

One of Hawaii’s worst natural disasters was Mauna Loa’s spring 1868 eruption. Tsunamis and landslides killed 77 Hawaiians. The 1868 eruption started at Mauna Loa’s top caldera, Moku’āweoweo, like previous eruptions.


Is Mauna Loa bigger than Yellowstone?

Mauna Loa erupted 33 times in 200 years. The world’s largest supervolcano, Yellowstone, is active throughout the Wyoming park. Geysers attract millions of tourists.

Can you visit Mauna Loa?

Two trailheads approach Mauna Loa’s summit: Mauna Loa Road: 7.5 mi (12.1 km) from Lookout to Puʻuʻulaʻula, 11.6 mi (18.7 km) from Cabin to Summit Cabin. Significant elevation rise.

Hawaii's Mauna Loa volcano erupts (1)


Who owns Mauna Loa?

On December 17, 2004, Hershey bought Mauna Loa Macadamia Nut Corporation.


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