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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Image: Thermal image of Kilauea viewing area
May 21, 2010

Thermal image of Kilauea viewing area

A closer view of the County viewing area, looking northeast. Again, the thermal image is shown together with a normal photograph. Recently emplaced flows, from the past several weeks, are light red (center of image). The currently active breakouts, just 250 yards northwest of the road, show up as white and yellow.

Image: Composite image of Kilauea viewing area
May 21, 2010

Composite image of Kilauea viewing area

This composite image overlays a thermal image on a normal photograph, and shows the flow field in the vicinity of the County viewing area, at the end of the Kalapana access road. Recent flows, from the past few weeks, show up as light red, whereas the currently active breakouts are yellow and white. One active finger of lava was just 250 yards northwest of the viewing area

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Image: Aerial coastline of Kilauea
May 21, 2010

Aerial coastline of Kilauea

An aerial photograph looking west along the coastline of the current flow field. The Ki entry continues to produce a small plume, which is distributed along the newly formed delta. The color change in the ocean near the entry is due to the wave erosion of material from the delta and the lava itself.

Image: Flows Moving Through Kilauea Viewing Area
May 7, 2010

Flows Moving Through Kilauea Viewing Area

A closer view of the recent flows working their way down the road and through the trees. The viewing area has been moved back once again due to its proximity to the lava flows and potential fire hazards.

Image: Aerial Photo of Kilauea Lava Flow
April 28, 2010

Aerial Photo of Kilauea Lava Flow

Distant view looking north at the active flow as it crossing the coastal plain and approaches the ocean. Houses in the Kalapana Gardens subdivision are visible to the right. The lava tube feeding lava to the flow front is delineated by the points of fume at upper left.

Image: Aerial Photo of Kilauea Lava Flow
April 28, 2010

Aerial Photo of Kilauea Lava Flow

View looking back to the north at the terminus of the active flow as it approaches the forested kipuka at the center of the photo. Hwy 130 is at upper right. The old ocean entry viewing area, open from 2008 to early 2010, is visible near the bottom of the photo just to the right of center. The flows area expected to burn through the kipuka and reach the ocean very close to

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Image: Kilauea Lava Flow
April 28, 2010

Kilauea Lava Flow

Zoomed-in view of the current visitor viewing area at the end of Hwy 130.

Image: Kilauea Lava Flow
April 28, 2010

Kilauea Lava Flow

View looking south at the currently active flow crossing the coastal plain west of Kalapana. The new flow is the silvery lava crossing the photo from lower right to top center where the flow front is burning vegetation. The end of Hwy 130 is visible at upper left.

April 8, 2010

Lava surface deep within Halema`uma`u

movie shows the lava surface deep within the Halema`uma`u vent cavity, captured with a thermal camera that can see through the thick fume. The lava surface is about 70 meters (230 ft) wide, and remains about 200 meters (660 ft) below the cavity rim. The surface is mostly crusted, with a slow migration from north to south. Small spattering sources occasionally break through

Image: Kilauea Flow Field
March 12, 2010

Kilauea Flow Field

No surface flows were active anywhere on the flow field today, due to summit deflation and a reduction in lava supply over the past few days. Summit inflation resumed yesterday, and an increase in lava supply should lead to resumed breakouts over the next several days. This photo shows the area of flows that were active over the past week—they can be identified as the

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March 11, 2010

Active lava pond deep with the Halema`uma`u vent cavity

movie shows the active lava pond deep within the Halema`uma`u vent cavity. The lava is upwelling at the northern margin of the pond (the upper margin in this view), and slowly migrating south towards the bottom of the image, where it sinks out of view. The pond is about 50 m wide. Small spattering sources appear and disappear occasionally. This video was taken with a

Image: Kilauea's east rift zone eruption site
January 19, 2010

Kilauea's east rift zone eruption site

Kīlauea's east rift zone eruption site. Pu`u `Ō `ō is to the right, and the TEB vent and upper tube system is to the left and behind Pu`u `Ō `ō.

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photo of lava
April 15, 2003

Pleasant Sunday morning between rain showers

photo of lava
April 12, 2003

Inflated lava and the ahu: what a difference a day makes

Maui Nui submergence history, showing extent of Maui Nui landmass at different times
April 10, 2003

The four islands of Maui, Moloka`i, Lana`i, and Kaho`olawe were once all connected as a vast landmass known as Maui Nui, literally "big Maui." This concept was first proposed 60 years ago by geologist Harold Stearns, who recognized the geologic evidence for repeated episodes of island submergence and reemergence.

Map showing Koa`e fault system
April 3, 2003

Kilauea has one of the most active fault systems in the world. The Koa`e fault system is 2-3 km (1.2-1.8 miles) wide and extends about 17 km (10 miles) between the east and southwest rift zones, south of Kilauea's caldera.

boat overturned by a  tsunami , Wailoa River small-boat harbor in Hilo, Hawai`i.
March 27, 2003

About this time every year, we have an article or two on the topic of tsunami. The month of April is observed as "Tsunami Awareness Month" in Hawai`i. It is important that everyone living in Hawai`i learn about tsunami because more people have been killed by tsunami than by any other natural hazard in Hawai`i.