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HVO geologist describes activity from Kīlauea Volcano during a fiel...

Geologist describes activity from Kīlauea during a field trip to co...

HVO geologist describes activity from Kīlauea Volcano during a field trip to the coastal lava flow field for members of the media in 2010.

Clear day view of PS Cam

[PScam] Puʻu ʻŌʻō South Flank from the South Rim

This image is from a temporary research camera positioned just south of Puʻu ʻŌʻō, looking north at the southern flank of Puʻu ʻŌʻō's cone.

Disclaimer

The webcams are operational 24/7 and faithfully record the dark of night if there are no sources of incandescence or other lights. Thermal webcams record heat rather than light and get better

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Children pose with 8 ton ballistic block at Kīlauea volcano, Hawai‘...

Children pose with 8 ton ballistic block at Kīlauea, Hawai‘i.

Some of the large ballistic blocks from the Kīlauea eruption of 1924 later became visitor attractions. Many of these blocks remain in place today as evidence of the forces unleashed at Kīlauea during the eruption of 1924.

Clear day view of PE cam

[PEcam] Puʻu ʻŌʻō East Flank from East of Puʻu ʻŌʻō

This image is from a temporary research camera positioned northeast of Puʻu ʻŌʻō, on Puʻu Halulu, looking southwest toward the northeast flank of Puʻu ʻŌʻō.

Disclaimer

The webcams are operational 24/7 and faithfully record the dark of night if there are no sources of incandescence or other lights. Thermal webcams record heat rather than light

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Image: Halema'uma'u Crater, Kilauea Volcano Summit Eruption 2008-2013

Halema'uma'u Crater, Kilauea Volcano Summit Eruption 2008-2013

Kīlauea Volcano's summit vent "then and now."  In April 2008 (top image), a month after it opened, the vent within Halema‘uma‘u Crater was about 115 feet in diameter.  As of March 2013 (bottom image), it is more than 500 feet across.  

Island of Hawai‘i map, showing Mauna Loa and the other four volcano...

Island of Hawai‘i map, showing Mauna Loa and the other four volcano...

Island of Hawai‘i map, showing Mauna Loa and the other four volcanoes that make up the island. Mauna Loa structural features include summit caldera, rift zones, radial vents, and historical lava flows.

Clear day view of PW cam

[PWcam] Puʻu ʻŌʻō West Flank from Puʻu ʻŌʻō

This image is from a research camera positioned on the northwest flank of Puʻu ʻŌʻō, looking southwest. On the morning of May 24, 2016, this camera was rotated to be pointed northeast to follow a new breakout on the east flank of Puʻu ʻŌʻō.

Disclaimer

The webcams are operational 24/7 and faithfully record the dark of night if there are no

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Image: Catching a Hawaiian Hoary Bat

Catching a Hawaiian Hoary Bat

Wildlife ecologists sets up a net to capture the Hawaiian hoary bat.

Solar-powered seismic station located near the summit of Mauna Loa ...

Solar-powered seismic station located near summit of Mauna Loa Volcano

Solar-powered seismic station located near the summit of Mauna Loa Volcano, Hawai‘i.

Shaded relief map of Kīlauea Volcano's summit with caldera bounding...

Shaded relief map of Kīlauea's summit with caldera

Shaded relief map of Kīlauea Volcano's summit with caldera bounding faults delineated.

Clear day view of PG cam

[PGcam] Lower East Rift Zone Camera from Lower East Rift Zone

This image is from a temporary research camera positioned near Kapoho looking northwest. From left to right on the horizon, one can see Puʻu ʻŌʻō vent near the left edge of the image, the gas plume from Halemaʻumaʻu crater near the middle of the image (when clear enough), and Mauna Loa and Mauna Kea farther to the right.

Disclaimer

The

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Most active seismic zone in the nation here...
January 29, 1993

Nearly everyone on the island of Hawai`i should have felt an earthquake this past week. As the accompanying map shows, Hawai`i was rattled by 11 earthqukes large enough to be felt in less than four days. 
 

Episode 51 continuing...
January 22, 1993

The eruption from the episode 51 vents, located on the west flank of the Pu`u `O`o cone on the East Rift Zone of Kīlauea Volcano, continues with little change. Lava is being fed to the coastline near Kamoamoa through a well-established underground tube system with only a few skylights, through which the flowing lavacan be seen from the air.

USGS
January 15, 1993

On Thursday an explosion in the crater of Galeras Volcano in Colombia killed six volcanologists attending an international workshop attended by more than 90 scientists, and killed an additional three people not attending the workshop.
 

Kīlauea: a youngster among world's active volcanoes...
January 8, 1993

One of the main impediments to predicting the future behavior of Kīlauea and especially Mauna Loa Volcanoes is the short historical record of each volcano. 
 

USGS
January 1, 1993

The Pu`u `O`o-Kupaianaha eruption now ranks as the longest-lived historic eruption on the East Rift Zone and the most destructive in Kīlauea's recent history. 

Underwater East Rift exploration reveals a few surprises...
December 11, 1992

The East Rift Zone of Kīlauea Volcano is 130 kilometers long, but only 55 kilometers of the rift is above sea level. The lower 75 kilometers of the rift is submarine and extends east-northeast from Cape Kumukahi to a depth of roughly 5,400 meters (17,700 feet). 

USGS
December 4, 1992

For the past 10 years, most of the evident changes on Kīlauea Volcano have occurred down the east rift zone near and downslope from the Pu`u `O`o and Kupaianaha vents. Last Sunday, a sequence of rockfalls occurred within the summit caldera that modestly changed the size and shape of Halema`uma`u Crater. 

Lava explodes into the sea at Kamoamoa...
November 27, 1992

Lava erupted from the episode 51 vents has been entering the sea at Kamoamoa since November 8. On Tuesday, a new phenomenon was observed. 

Lava continues to flow near Kamoamoa...
November 20, 1992

The eruption from the episode 51 vents has continued without interruption since October 2. The flows crossed the Chain of Craters Road near Kamoamoa in Hawai`i Volcanoes National Park on November 7. Since that time, flows have covered all of the Kamoamoa ruins, campground, parking lot, and picnic area, and have formed perhaps 30 acres of new land.
 

Volcano watchers should beware...
November 6, 1992

The eruption from the episode 51 vents has continued without interruption since October 2. The flows have now advanced to within 300 feet of the Chain of Craters Road inside Hawai`i Volcanoes National Park. The flows advanced over the pali during the last week-and-a-half and came within a quarter of a mile of Chain of Craters Road by early this week. 

USGS
October 30, 1992

The 10-year long eruption of Kīlauea Volcano continues from the episode 51 vents located on the west flank of the Pu`u `O`o cone. The flows advanced slowly from October 3 until October 28, when they began to flow over the pali above Kamoamoa.
 

USGS
October 23, 1992

The Hawaiian Volcano Observatory studies mainly the current activity of Hawai`i's volcanoes, and our eruption forecasts are limited to the short-term future (hours, days, months, sometimes a few years).