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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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.

January 6, 1995

The first 12 years of eruptive activity.

December 30, 1994

This is roughly the 150th weekly column of "VolcanoWatch,"which was begun in November 1991 to keep readers informed of the on-going activity of Kīlauea Volcano.

Lava flowing from Kīlauea again...
December 16, 1994

Following a brief pause in the eruption during the last week of November, lava continues to issue from vents on the southwest flank of Pu'u 'O'o.

December 9, 1994

This past week, six members of the U.S. Geological Survey's Hawaiian Volcano Observatory traveled to San Francisco to participate in the Fall Meeting of the American Geophysical Union (AGU). 

December 2, 1994

The nearly 12-year-long eruption along Kīlauea's east rift zone took another brief vacation this past week. This was the sixth pause in eruptive activity this year, and the third since the beginning of October.

November 25, 1994

Mount Merapi, a 2,911-meter-tall volcano on the island of Java in Indonesia, erupted on November 22 at about 10:15 a.m. local time.

Location of selected earthquakes greater than magnitude 6, Island of Hawai‘i.
November 18, 1994

Eleven years ago on November 16, residents of Hawaii were awakened by a strong earthquake at 6:13 a.m. The earthquake had a magnitude of 6.6 and was located beneath the Kaoiki Fault Zone between the summits of Mauna Loa and Kīlauea Volcanoes. 

November 11, 1994

The eruption along Kīlauea's east rift zone is approaching its twelfth anniversary, now less than two months away. The eruption continues strongly, with magma replenishment beneath the summit roughly matching eruption rates.

November 4, 1994

Beginning on October 21 and continuing through October 31, residents in parts of lower Puna have felt a sequence of small earthquakes.