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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: 1682
Volcano Watch — Kīlauea flows are large

Volcano Watch — Kīlauea flows are large

The eruption along Kīlauea's east rift zone continues without interruption. The lava is erupting from two vents, which we call the episode 51 and 53...

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Volcano Watch — Volcano observatory was founded in 1912

Volcano Watch — Volcano observatory was founded in 1912

The U.S. Geological Survey's Hawaiian Volcano Observatory is located adjacent to the Thomas Jaggar Museum on the rim of Kīlauea caldera. The...

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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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