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.

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USGS
August 5, 1994

The U.S. Geological Survey maintains a network of more than 50 seismic stations on Hawaii Island. The instruments and their distribution were originally designed to record and locate the many small earthquakesassociated with magma movement inside Kīlauea and Mauna Loa Volcanoes. 

USGS
July 29, 1994

The eruption along Kīlauea's East Rift Zone continues with little change since our last report in mid-June. There are still two erupting vents located on the southwest and west flanks of the Pu'u 'O'o cone, which is located about 11 miles east of Kīlauea's summit. 

USGS
June 10, 1994

The eruption on Kīlauea's east rift zone continues with little change. The eruption has now been going for eleven and one-half years and shows no signs that the end is close.
 

USGS
June 3, 1994

On May 22 at 7:50 in the morning, the northern part of Hawaii Island was rattled by an earthquake with an estimated magnitude of 4.2.

USGS
May 27, 1994

Before the current activity on Kīlauea's east rift zone, the most long-lived rift eruption was that of Mauna Ulu, which began 25 years ago, on May 24, 1969.

The 1960 tsunami, Hilo...
May 20, 1994

Thirty-four years ago, on May 23, 1960, a tsunami destroyed much of downtown Hilo. Tsunami, or seismic sea waves, are generated in several ways, including by large submarine explosive eruptions, by landslides where rock slides into or beneath the sea surface, and by large earthquakes that displace rocks below sea level.

Kīlauea flows continue without interruption
May 13, 1994

The eruption along Kīlauea's east rift zone continues without interruption. Following the last pause in activity in the middle of April, the tube was reoccupied from the vent 51 and 53 areas adjacent to the Pu'u 'O'o cone to just above Paliuli, upslope from Kamoamoa.

USGS
May 6, 1994

Kīlauea is famous for eruptions of the type we are now experiencing--quiet effusion of lava that makes the eruption approachable. However, not all of Kīlauea's eruptions have been so passive and approachable.
 

Lava flow hazard map revisited...
April 29, 1994

A few weeks ago, several members of the Hawaiian Volcano Observatory staff presented information about volcanic hazards on Hawaii to the Hawaiian Beaches/Shores Community Association.

USGS
April 22, 1994

The past week has been eventful with many changes in the on-going eruption. The eruption stopped once again starting Thursday, April 14, in the afternoon, and lava had stopped entering the ocean by about 5 p.m.
 

USGS
April 15, 1994

The eruption along Kīlauea's east rift zone continues without interruption. The lava is erupting from two vents, which we call the episode 51 and 53 vents, located on the west and south flanks of the Pu'u 'O'o cone, and transported downslope in a long-lived tube system.

USGS
April 8, 1994

The U.S. Geological Survey's Hawaiian Volcano Observatory is located adjacent to the Thomas Jaggar Museum on the rim of Kīlauea caldera. The Observatory was founded in 1912 as a laboratory of the Massachusetts Institute of Technology by Thomas A. Jaggar, a pioneering volcanologist.