Unified Interior Regions


States L2 Landing Page Tabs

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January 7, 2003

More disruption of slabby flow front

More disruption of slabby flow front.

January 7, 2003

More disruption of slabby flow front

More disruption of slabby flow front.

Image: Hawaiian Coot (Fulica alai)
January 1, 2003

Hawaiian Coot (Fulica alai)

Hawaiian Coot swimming in a wetland marsh. Listed as an endangered species in 1970. Dark gray with a white bill and frontal shield that varies from white, pale buff, and pale blue to deep red.

Image: Waterfall, Maui, Hawaii
December 31, 2002

Waterfall, Maui, Hawaii

Waterfall, Maui, Hawaii.

December 27, 2002

Lava pours down pre1995 sea cliff

Lava pours down pre1995 sea cliff. See stills above for more information. Note large file size. Warning: turn down your sound; lots of wind noise.

December 12, 2002

PubTalk 12/2002 — Hawai`i's Volcanoes—Never a Dull Moment

20 Years of Eruption at Kilauea and Waiting for Mauna Loa

by Don Swanson,Volcanologist, Hawaiian Volcano Observatory


  • Kilauea's Pu'u O'o-Kupaianaha eruption, which began on January 3, 1983, is already the volcano's longest rift eruption in at least 600 years
  • Lava has destroyed 8 miles of highway and 189
August 10, 2002

Lava falling over sea cliff

Lava falling over sea cliff into water at western group of entries.

August 10, 2002

Close-up of lava falls and steam cloud

Close-up of lava falls and steam cloud generated by lava entering water.

August 9, 2002

Lava dropping into the sea

Telephoto of lava dropping into the sea.

August 9, 2002

Lava falls into sea from western two entries at Highcastle

Lava falls into sea from western two entries at Highcastle. Entry started within past several hours. Listen to the "plop, plop" sounds as lava drips hit water.

July 21, 2002

Lava spilling over the lip of Wilipe`a sea cliff

Close view of lava spilling over the lip of Wilipe`a sea cliff.

July 21, 2002

Wave crashing over lava

Close view of wave crashing over lava in the surf zone.

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March 20, 1998

Sharing the results of scientific investigations on Hawai`i's volcanoes has always been a primary goal of scientists working at the Hawaiian Volcano Observatory. In 1912, Thomas A. Jaggar, Director of HVO, published the first series of informal newsletters about the activity of Kīlauea and Mauna Loa.

March 16, 1998

East Rift Zone Eruption Quietly Delivers Lava to the Sea

March 12, 1998

Two geologists who used to work at the Hawaiian Volcano Observatory were back in the state last week viewing Hawai`i's volcanoes from a different perspective. Cruising among the islands aboard a 270-ft ship, Jennifer Reynolds and Dave Clague (HVO's former scientist-in-charge) thoroughly enjoyed the smooth water and sunny weather.

March 5, 1998

In recent months we have discussed hazards from lava flows in the Hilo and Puna areas. Today we focus on the Ka`u District.

February 26, 1998

Someone once said, "Climate is what you expect, weather is what you get." The weather of the last week or so has brought a sigh of relief to many east Hawaii residents. The return of the trades has brought much needed moisture, creating the joyful sound of water trickling into depleted water tanks and easing fire danger that had reached critical levels.

February 24, 1998

Bench collapse, temporary draining of lava tube are prominent events of the past three weeks

February 19, 1998

A gentle, effusive style of activity has characterized the ongoing eruption of Kīlauea for well over a decade now. But remember the explosive episodes of 1983, `84, `85 and the first half of `86? Pu`u `O`o burst forth periodically with towering lava fountains that could be seen for miles around. Ever wonder why the change? Just what causes a volcano to flow rather than blow?

February 12, 1998

Japan—only 63 million years away! Advertising like that would put a shipping company out of business, but the Plate Tectonic Express has no competitors when it comes to moving continents and oceanic plates around the globe.

February 5, 1998

Scientific concepts are often thought to result from thinking about hard facts. Speculation is sometimes considered out of bounds for scientists.

January 29, 1998

Hawaiian volcanoes provide scientists a natural laboratory to study events that precede an eruption. The Hawaiian Volcano Observatory, in cooperation with other government agencies and universities, is installing new equipment, upgrading existing instruments, and improving data analysis to do comprehensive volcano monitoring in real time.

January 22, 1998

As volcano watchers in Hawaii, we are often rewarded with spectacular images of eruptions taking place in our own back yard.