Unified Interior Regions


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.

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Kīlauea eruption status, May 13, 1994...
March 31, 1995

The 12-year long eruption along Kīlauea's east rift zone continued without interruption during the past two weeks. 

Deep earthquakes and lithospheric flexure...
March 24, 1995

Last Sunday evening, March 19, the Hawaiian Islands were shaken by a moderate earthquake located south of Kahoolawe and west of Hawaii. The earthquake occurred at 10:30 p.m., had a magnitude of 4.5, and was located about 30 miles deep.

Kīlauea eruption status—lava flows moving toward sea...
March 19, 1995

Kīlauea's 12-year-old East Rift Zone eruption continues with lava issuing from vents on the southwest flank of Pu'u 'O'o.

March 10, 1995

The "Volcano Watch" column from January 22, which provided information about earthquake damage from the Kobe earthquake in Japan and then described some ways to reduce damage from future earthquakes here in Hawaii, has generated quite a lively discussion in the "Letters to the Editor" section of the Hawaii Tribune Herald.

March 3, 1995

The U.S. Geological Survey has been working with the JASON Project, which began filming this past Monday in Hawaii Volcanoes National Park, to produce a series of interactive, live, educational broadcasts aimed at classes from upper elementary grades to high school. 

February 24, 1995

I want to thank all of you who came to our first-ever open house this past Monday. The number of people who wanted to see what we do and how we do it was most gratifying. It certainly made sprucing up the Observatory for company worthwhile.

February 17, 1995

The U.S. Geological Survey' Hawaiian Volcano Observatory, National Biological Service, National Park Service, University of Hawaii at Hilo, Kīlauea Military Camp, McDonnell Douglas Aerospace, NASA, and The Planetary Society invite the public to a special "Day in the Park" on Monday, February 20, 1995.

February 5, 1995

From February 13-18, the USGS Hawaiian Volcano Observatory and the National Park Service will host a team of scientists and engineers from NASA, McDonnell Douglas Aerospace and the JASON Foundation for Education at the Kīlauea caldera for a series of tests using a robotic vehicle designed for use on the moon and Mars.

Kīlauea's eruptive history...
February 3, 1995

The current activity along Kīlauea's east rift zone is the longest-lived eruption of Kīlauea in historic times. However, the historic period on Kīlauea dates only to 1790, and the first well-documented eruption took place in 1823.

January 27, 1995

The eruption on Kīlauea's east rift zone has continued without interruption since the last brief pause at the end of November.

January 20, 1995

The magnitude 7.2 earthquake in Kobe, Japan has resulted in extensive damage and a shocking number of fatalities and injuries. Japan has not experienced such a damaging earthquake since 1923, when an estimated magnitude-8.3 earthquake killed about 143,000 people in the Tokyo area.

January 13, 1995

A few weeks ago, we told you about the more than 67,000 earthquakes we recorded during the past year. Most of those earthquakes were so small that they were not felt and caused no damage.