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Volcano Watch

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

Filter Total Items: 1779
Volcano Watch — Geologists reexamine big earthquake of 1868

Volcano Watch — Geologists reexamine big earthquake of 1868

April 2 marks the anniversary of the largest earthquake to occur in the Hawaiian Islands in historic time. This great earthquake occurred in 1868 and...

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Volcano Watch — Mauna Loa eruption gave Hilo scare

Volcano Watch — Mauna Loa eruption gave Hilo scare

Friday, March 25, marked the tenth anniversary of the last eruption of Mauna Loa Volcano. The 1984 eruption followed a nine-year period of quiescence...

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Volcano Watch — Pause in eruption gives way to flows again

Volcano Watch — Pause in eruption gives way to flows again

Following the spectacular display of steam explosions and lava fountaining at the ocean entries last week, this week began with another pause in the...

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Volcano Watch — Volcano erupts in big show

Volcano Watch — Volcano erupts in big show

Lava activity at the coast where the flows enter the ocean has been spectacular this past week. The activity has included high lava spattering and...

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Volcano Watch — Eruption takes brief pause, then resumes

Volcano Watch — Eruption takes brief pause, then resumes

The 11-year-long eruption on Kīlauea's East Rift Zone took a brief pause on Thursday, but activity resumed within a matter of hours. 
 

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Volcano Watch — The hazards of post and pier foundations

Volcano Watch — The hazards of post and pier foundations

The column last week summarized the types of damage to structures resulting from shaking during large earthquakes beneath Hawai‘i.

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Volcano Watch — Earthquake building tips for a hyper-seismic isle

Volcano Watch — Earthquake building tips for a hyper-seismic isle

Over the last several weeks, we have run suggestions of specific things that you can do to reduce your exposure to damage caused by earthquakes. 

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Volcano Watch — Dangerous ledge collapses becoming more common

Volcano Watch — Dangerous ledge collapses becoming more common

Lava from the 11-year long eruption along Kīlauea's East Rift Zone continues to pour into the ocean near Kamoamoa inside Hawai‘i Volcanoes National...

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Volcano Watch — More tips for surviving the next big quake

Volcano Watch — More tips for surviving the next big quake

The magnitude-5.2 earthquake that occurred at 12:02 a.m. Tuesday morning served as a not-so-gentle reminder of the seismic hazard on the Island of...

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Volcano Watch — How to reduce your earthquake risk

Volcano Watch — How to reduce your earthquake risk

Large, damaging earthquakes have occurred frequently in Hawai`i in the past and will occur again in the future, as we discussed last week. However...

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Volcano Watch — Most of Hawaii is vulnerable to big LA-style earthquakes

Volcano Watch — Most of Hawaii is vulnerable to big LA-style earthquakes

A magnitude-6.6 earthquake devastated the Northridge area of Los Angeles on Monday, January 17, at 4:31 a.m. The extent and type of damage in the Los...

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Volcano Watch — Eleven years of activity at Kīlauea volcano - part II

Volcano Watch — Eleven years of activity at Kīlauea volcano - part II

Editor's note: The following is part two of an 11-year retrospective look at Kīlauea Volcano - October 1992 through the end of 1993.
 

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Volcano Watch — Kīlauea: The longest and most destructive eruption

Volcano Watch — Kīlauea: The longest and most destructive eruption

Editor's note: Today's "Volcano Watch" includes the first half of a 11-year retrospective of the Kīlauea eruption up to October 1992. Next week, the...

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Volcano Watch — Mauna Kea a good place to observe glacier action

Volcano Watch — Mauna Kea a good place to observe glacier action

The snow that fell this past week at the summits of Mauna Kea and Mauna Loa volcanoes reminds us that it can get cold enough to snow, even here in the...

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Volcano Watch — 67,145 quakes recorded at HVO so far this year

Volcano Watch — 67,145 quakes recorded at HVO so far this year

The staff and associates of the U.S. Geological Survey's Hawaiian Volcano Observatory extend a warm and cheerful holiday greeting to all of the...

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Volcano Watch — The Big Isle's rapidly sinking into the sea, researchers say

Volcano Watch — The Big Isle's rapidly sinking into the sea, researchers say

The National Science Foundation recently supported a scientific drill hole to examine the long-term growth of a Hawaiian volcano. The objective...

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Volcano Watch — 11th anniversary of Kīlauea eruption nears

Volcano Watch — 11th anniversary of Kīlauea eruption nears

The eruption on Kīlauea's East Rift Zone is rapidly approaching another milestone as its 11th anniversary takes place on January 3. This column will...

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Volcano Watch — Kīlauea's East Rift Zone activity likely to continue for decades

Volcano Watch — Kīlauea's East Rift Zone activity likely to continue for decades

The recent history of Kīlauea has been pieced together from geologic mapping and dating, Hawaiian oral histories, and written observations made...

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Volcano Watch — From a puddle to Kīlauea: development of the world's most active volcano

Volcano Watch — From a puddle to Kīlauea: development of the world's most active volcano

All of the events that we experience at Kīlauea—eruptions at the summit and on the rift zones, intrusions of magma that don't reach the surface...

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Volcano Watch — Ten years since last big quake; more are sure to come

Volcano Watch — Ten years since last big quake; more are sure to come

Ten years ago on November 16, residents of Hawai`i were awakened by an earthquake at 6:13 a.m. The earthquake had a magnitude of 6.6 and was located...

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Volcano Watch — Eruption provides dramatic viewing

Volcano Watch — Eruption provides dramatic viewing

The eruption from the episode 51 vents has continued without interruption since October 2. The flows crossed the Chain of Craters Road near Kamoamoa...

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