Unified Interior Regions

Hawaii

The Pacific Region has nine USGS Science Centers in California, Nevada, and Hawaii. The Regional Office, headquartered in Sacramento, provides Center oversight and support, facilitates internal and external collaborations, and works to further USGS strategic science directions.

States L2 Landing Page Tabs

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Small-scale map of Kīlauea's East Rift Zone lava flow...
December 30, 2014

Small-scale map of Kīlauea's ERZ lava flow

This small-scale map shows Kīlauea's active East Rift Zone lava flow in relation to lower Puna. The area of the flow on December 22 at 3:00 PM is shown in pink, while widening and advancement of the flow as mapped on December 30 at 2:30 PM is shown in red. The lava flow remains active, but its overall level of activity appears to have declined over the past several days

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Small-scale map of June 27th flow in Kīlauea's East Rift Zone...
December 22, 2014

Small-scale map of June 27th flow in Kīlauea's ERZ

This small-scale map shows Kīlauea's active East Rift Zone lava flow in relation to lower Puna. The area of the flow on December 19 at 8:30 AM is shown in pink, while widening and advancement of the flow as mapped on December 22 at 3:00 PM is shown in red.
A relatively narrow lobe of lava continues to advance downslope toward the Pāhoa Marketplace. The tip of the

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Large-scale map of June 27th flow in Kīlauea's East Rift Zone...
December 22, 2014

Large-scale map of June 27th flow in Kīlauea's ERZ

This large-scale map shows the distal part of Kīlauea's active East Rift Zone lava flow in relation to nearby Puna communities. The area of the flow on December 19 at 8:30 AM is shown in pink, while advancement of the flow as mapped on December 22 at 3:00 PM is shown in red.
The leading tip of the flow had slowed, but had also widened and split into two branches. The

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Large-scale map of Kīlauea's East Rift Zone lava flow...
December 18, 2014

Large-scale map of Kīlauea's ERZ lava flow

This large-scale map shows the distal part of Kīlauea's active East Rift Zone lava flow in relation to nearby Puna communities. The area of the flow on December 16 at 11:15 AM is shown in pink, while widening and advancement of the flow as mapped on December 18 at 11:15 AM is shown in red.

The leading tip of the flow had slowed, but had also widened and split into

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December 18, 2014

Overflight of Flow Front

This Quicktime movie provides a brief aerial overview of the active flow front.

December 18, 2014

Aerial Overview of Active Flow Front

This Quicktime movie provides a brief aerial overview of the active flow front.

Large-scale map of Kīlauea's East Rift Zone lava flow...
December 16, 2014

Large-scale map of Kīlauea's ERZ lava flow

This large-scale map shows the distal part of Kīlauea's active East Rift Zone lava flow in relation to nearby Puna communities. The area of the flow on December 9 at 2:30 PM is shown in pink, while widening and advancement of the flow as mapped on December 16 at 11:15 AM is shown in red.

Most change on the flow field is due to advancement of the relatively narrow

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Small-scale map of Kīlauea's East Rift Zone lava flow...
December 16, 2014

Small-scale map of Kīlauea's ERZ lava flow

This small-scale map shows Kīlauea's active East Rift Zone lava flow in relation to lower Puna. The area of the flow on December 9 at 2:30 PM is shown in pink, while widening and advancement of the flow as mapped on December 16 at 11:15 AM is shown in red.

A relatively narrow lobe of lava continues to advance downslope toward the Pahoa Marketplace. The tip of the

...
Satellite image of area around front of Kīlauea's East Rift Zone la...
December 15, 2014

Image of area around front of Kīlauea's ERZ lava flow

This map uses a satellite image acquired in March 2014 (provided by Digital Globe) as a base to show the area around the front of Kīlauea's active East Rift Zone lava flow. The area of the flow on December 12, 2014, at 10:00 AM is shown in pink, while advancement of the flow as mapped from satellite imagery collected early this morning is shown in red. This represents an

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Satellite image of area around front of Kīlauea's East Rift Zone la...
December 12, 2014

Satellite image around front of Kīlauea's ERZ lava flow

This map uses a satellite image acquired in March 2014 (provided by Digital Globe) as a base to show the area around the front of Kīlauea's active East Rift Zone lava flow. The area of the flow on December 9, 2014, at 2:30 PM is shown in pink, while advancement of the flow as mapped on the ground on December 12 at 10:00 AM is shown in red. This represents an advancement of

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Small-scale map of Kīlauea's East Rift Zone lava flow...
December 9, 2014

Small-scale map of Kīlauea's ERZ lava flow

This small-scale map shows Kīlauea's active East Rift Zone lava flow in relation to lower Puna. The area of the flow on December 1, 2014, at 11:30 AM is shown in pink, while widening and advancement of the flow as mapped on December 9 at 2:30 PM is shown in red.

Most surface flow activity is focused into a narrow lobe that branches off the west edge of the flow

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Large-scale map of Kīlauea's East Rift Zone lava flow...
December 9, 2014

Large-scale map of Kīlauea's ERZ lava flow

This large-scale map shows the distal part of Kīlauea's active East Rift Zone lava flow in relation to nearby Puna communities. The area of the flow on December 1, 2014, at 11:30 AM is shown in pink, while widening and advancement of the flow as mapped on December 9 at 2:30 PM is shown in red.

Most surface flow activity is focused into a narrow lobe that branches

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Filter Total Items: 2,248
USGS
May 6, 2004

Much of the work done by the HVO staff depends on field activities. Either scientists and technicians visit field sites to make observations and measurements, or they establish monitoring instruments that send data back to the observatory by radio or other means.

USGS
April 29, 2004

On April 6, 2004, Anatahan volcano in the Commonwealth of Northern Marianas Islands (CNMI) awakened from five months of slumber since its first historic eruption waned in October 2003.

USGS
April 22, 2004

A series of small earthquakes struck the Three Sisters volcanic center in the central Oregon Cascades on March 23-25. At the same time, staff members of the U.S. Geological Survey's Cascades Volcano Observatory (CVO) were meeting with public officials in Bend, Oregon, only 50 km (30 miles) away.