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
May 7, 1993

The 10-year-long eruption along Kīlauea's East Rift Zone continues with little change. Active flows travel underground to the ocean in lava tubes from the eruptive vents on the south and west sides of the Pu`u `O`o cone.
 

As lava slows, diversion of Etna discussed...
May 1, 1993

The episode 51 vents on the west flank of Pu`u `O`o were active from April 23 at about 11:00 a.m. until April 28 at 11:30 a.m., when the eruption stopped once again. Since then, the lava lake inside Pu`u `O`o vent has risen from about 140 to between 120 and 130 feet below the rim of the crater.
 

USGS
April 30, 1993

The 10-year-long eruption on Kīlauea's East Rift Zone continues with little change. During the week, the lavaentries into the ocean consolidated to three main entries on the east and west edges of the Kamoamoa flow and near the west edge of the Lae`apuki flow. 
 

USGS
April 23, 1993

The missing visitor to Hawai`i Volcanoes National Park serves as a tragic reminder that active volcanoes can be unpredictable and dangerous, however passive and approachable their eruptions. Kīlauea is no exception. 
 

USGS
April 16, 1993

The 10-year-long eruption on Kīlauea's East Rift Zone continued this past week. Lava is erupting from the episode 51 and 53 vents on the southwest side of the Pu`u `O`o cone, but is being carried towards the coast entirely within underground lava tubes as far as the top of the pali. 

USGS
April 9, 1993

The eruption near Pu`u `O`o on Kīlauea's East Rift Zone continues, with lava entering the ocean both east and west of Kamoamoa and at Lae`apuki.

USGS
April 2, 1993

In historical times, two tsunamis occurred during the first week of April. The first of these occurred on April 2, 1868; it resulted from the great earthquake that took place that day near Pahala.

USGS
March 26, 1993

Lava continues to flow from two active vents on the south and southwest flanks of the Pu`u `O`o cinder cone on Kīlauea's East Rift Zone. These vents have been simultaneously active since the eruption restarted on February 20, following a 10-day period of repose and a four-day-long period, when only the episode 51 ventwas active. 
 

25 years since last Mauna Loa eruption...
March 19, 1993

This Thursday marks the ninth anniversary of the beginning of the last eruption of Mauna Loa Volcano, following a nine-year period of quiescence.

USGS
March 12, 1993

The eruption on Kīlauea's East Rift Zone continues, with little change from last week. Lava from the episode 51 and 53 vents, both located on the southwest flank of the Pu`u `O`o cone, flowed through lava tubes to the coast.

Lava flows from two Pu'u 'O'o vents...
March 5, 1993

The eruption on Kīlauea's East Rift Zone continued through the week. Two vents were active, both located on the flanks of the 770-foot-high Pu`u `O`o cone.
 

USGS
February 26, 1993

The 10-year-long eruption at Kīlauea Volcano started up again during the morning of February 16, after a period of inactivity lasting about 10 days. The eruption began at the episode 51 vents on the west flank of Pu`u `O`o, with only small volumes of pasty lava flowing through the pre-existing tubes.