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Daily updates about ongoing eruptions, recent images and videos of summit and East Rift Zone volcanic activity, maps, and data about recent earthquakes in Hawaii are posted on the HVO website. 

Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and colleagues.

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USGS HVO Press Release — Magnitude-4.2 Earthquake on the South Flank of Kīlauea Volcano

USGS HVO Press Release — Magnitude-4.2 Earthquake on the South Flank of Kīlauea Volcano

A magnitude-4.2 earthquake beneath the south flank of Kīlauea Volcano was recorded by the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO)...

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USGS HVO Press Release — Annual Surveys of Hawai‘i's Volcanoes Are Underway

USGS HVO Press Release — Annual Surveys of Hawai‘i's Volcanoes Are Underway

If you see someone alongside the road next to a white disk-shaped antenna atop a yellow tripod, it could be a U.S. Geological Survey Hawaiian Volcano...

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Volcano Watch — Central African Metropolis Again Threatened by Looming Volcanic Activity

Volcano Watch — Central African Metropolis Again Threatened by Looming Volcanic Activity

Life in Goma—a city of about half a million on the eastern border of the Democratic Republic of the Congo—has been particularly difficult over the...

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USGS HVO Press Release — Magnitude-5.0 Earthquake on the South Flank of Kīlauea Volcano

USGS HVO Press Release — Magnitude-5.0 Earthquake on the South Flank of Kīlauea Volcano

A magnitude-5.0 earthquake beneath the south flank of Kīlauea Volcano was recorded by the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO)...

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Volcano Watch — Volcanoes and Hula Dance to the Same Beat

Volcano Watch — Volcanoes and Hula Dance to the Same Beat

Unless you've been sitting in a lava cave (the way we sometimes do) you should be well aware that this Sunday is the beginning of the annual Merrie...

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Volcano Watch — The Soda Can Analogy for Kīlauea's Current Summit Eruption

Volcano Watch — The Soda Can Analogy for Kīlauea's Current Summit Eruption

The current eruption at Kīlauea's summit is unique in the recorded history of the volcano. Never in the past 200 years has there been a long-lived...

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Volcano Watch — Celebrating colossal Mauna Loa with a "Hi-yo, Silver!"

Volcano Watch — Celebrating colossal Mauna Loa with a "Hi-yo, Silver!"

This past Wednesday marked the silver anniversary of Mauna Loa's most recent eruption.

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USGS HVO Press Release — Silver Anniversary of 1984 Mauna Loa Eruption

USGS HVO Press Release — Silver Anniversary of 1984 Mauna Loa Eruption

The 25th anniversary of Mauna Loa's last eruption is tomorrow—Wednesday, March 25.

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Volcano Watch — Alaska's Redoubt Volcano Keeping Scientists and Public on Guard

Volcano Watch — Alaska's Redoubt Volcano Keeping Scientists and Public on Guard

When strong volcanic tremor (continuous shaking of the ground) was recorded beneath Redoubt volcano January 23 to 25, scientists of the Alaska Volcano...

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Volcano Watch — After One Year, Kīlauea's Summit Eruption is Still Going Strong

Volcano Watch — After One Year, Kīlauea's Summit Eruption is Still Going Strong

It seems like only yesterday when the Hawaiian Volcano Observatory (HVO) monitored a several-week build-up in seismic tremor levels and sulfur dioxide...

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USGS HVO Press Release — Magnitude-4.0 Earthquake off the Northeast Coast of Hawai‘i Island

USGS HVO Press Release — Magnitude-4.0 Earthquake off the Northeast Coast of Hawai‘i Island

A magnitude-4.0 earthquake was located off the northeast coast of Hawai‘i Island by the U.S. Geological Survey's Hawaiian Volcano Observatory on...

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Volcano Watch — Why all the fuss about Mauna Loa this month?

Volcano Watch — Why all the fuss about Mauna Loa this month?

As noted in Volcano Watch a few weeks ago, this month marks the 25th anniversary of Mauna Loa's most recent eruption—a 22-day event that began on...

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