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Glowing lava flowing down a stream channel with tall rock banks.People watch from the bank tops.
March 31, 1987

Lava flow enters Queens Bath, Kilauea Volcano, 1987

Bystanders watch steam rising from Queens Bath as lava flow enters the water. Lava overran Highway 130 at 0748 Hawaii Standard Time on the same morning at the western margin of the Kapa'ahu flow. By the end of the day, Punalu'u heiau was overrun, and Queens Bath was filled with lava.

Photo taken from the air, looking down on red hot lava fountaining up from a vent, then running in red channels down a slope.
April 22, 1985

Aerial view of waning lava fountain, Kilauea Volcano, 1985

Aerial view, from the east, of waning lava fountain from Pu'u 'O'o on Hawai'i Island's Kilauea Volcano. Taken at the end of eruption episode 32. Pu'u 'O'o rose 209 meters above the pre-1983 surface (928 meters above sea level).

Image: Aerial View of Mauna Loa Volcano, Hawaii
January 9, 1985

Aerial View of Mauna Loa Volcano, Hawaii

USGS Hawaiian Volcano Observatory scientists monitor Mauna Loa, the largest active volcano on Earth. In this 1985 aerial photo, Mauna Loa looms above Kīlauea Volcano’s summit caldera (left center) and nearly obscures Hualālai in the far distance (upper right).

Attribution: Natural Hazards
Lava fountain 450 m (1,475 ft) high from Kīlauea Pu‘u ‘Ō‘ō eruption...
September 19, 1984

Lava fountain 450 m (1,475 ft) high from Kīlauea Pu‘u ‘Ō‘ō eruption...

Lava fragments ejected by lava fountains are called tephra, a general term for all fragments, regardless of size, that are blasted into the air by explosive activity. A variety of terms are also used to describe specific types of fragments, including Pele's hair, Pele's tears, scoria, spatter, bombs, and reticulite. Other terms are used to describe the size of fragments,

Low lava fountains from 1984 Mauna Loa "2,900-m vents" signaled dec...
April 8, 1984

Low lava fountains from 1984 Mauna Loa "2,900-m vents" signaled dec...

Lava production from these "2,900-m vents" began to decrease in late March but declined most rapidly between April 7 and 9 from about 300,000 m3 per hour to less than 100,000 m3 per hour. Photo taken at 9:09 a.m.

Lava flows from the 1984 eruption of Mauna Loa loom above the town ...
April 4, 1984

Lava flows from the 1984 eruption of Mauna Loa loom above the town ...

Lava flows from the 1984 eruption of Mauna Loa loom above the town of Hilo. Photograph taken near the Hilo airport on April 4.

April 2, 1984

Mauna Loa Lava Flow, April 2, 1984

A USGS scientist walks along a lava flow from the April 2, 1984 Mauna Loa eruption. The scientist stops to observe a standing wave of lava at the end. The lava flow is moving at 64 km/hr (40 mph) towards Hilo, Hawai'i. 

Lava fountains erupting from fissure on upper northeast rift zone o...
March 25, 1984

Lava fountains erupting from fissure on upper northERZ of Mauna Loa...

Pohaku Hanalei cinder-spatter cone (upper left) is located about 3.2 km (2 mi) NE from the north edge of the caldera rim. Eruption rates were as high as 2.9 million m3 per hour during the first 6 hours of the eruption, then diminished to about 0.5 million m3 per hour for the next 12 days. Sizable pahoehoe flows formed only during the first day of the eruption and within a

Red hot lava erupts vertically in the air from a cone of black, hardened lava
September 6, 1983

Low fountain of lava from Pu'u 'O'o, Kilauea Volcano, 1983

Low fountain, approximately 50 meters high, from Pu'u 'O'o on Hawai'i Island's Kilauea Volcano (viewed from the north). Lava issuing from the breach in the northeast rim of the crater produced an 'a'a flow that extended more than 4 kilometers. Eruption episode 8.

Red hot lava fountaining 100 meters into the air from a cone of hardened, black lava
September 6, 1983

100-meter lava fountain, Kilauea Volcano, 1983

Pu'u 'O'o fountain approximately 100 meters high during eruption episode 8 on Hawai'i Island's Kilauea Volcano. Dark clots of spatter land near the base of the fountain, contributing to the growth of the cone. Less dense cinder, visible in the upper right, is carried downwind of the cone.

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Kīlauea Eruption Update—June 13, 1997...
June 13, 1997

Kīlauea's 14-year-old east rift zone eruption continues. Episode 55, ongoing since February 24, 1997, is characterized by shifting vent locations around the west and southwest flanks of Pu`u `O`o, and by intermittent activity within the Pu`u `O`o crater.

June 6, 1997

What volcano in the United States has been the most deadly since the country was founded? Mount St. Helens? Mount Rainier? Lassen Peak? Good guesses; but wrong. Don't feel bad, though. Many volcanologists don't know, either. 

June 2, 1997

Shortly before 07:00 a.m. on the morning of June 2, 1997, the seismic network of the U.S. Geological Survey's Hawaiian Volcano Observatory began to record a microearthquake swarm originating near Nāmakani Paio campground in Hawai‘i Volcanoes National Park.

May 30, 1997

Great rift zones define the divergent boundaries in the mosaic of mobile tectonic plates that form the Earth's crust. From these divergent plate margins, new crust is continually being produced and, as if on a giant conveyor belt, continually moving away from the rift zones.

May 23, 1997

Once again, with the end of the spring semester, the Center for the Study of Active Volcanoes (CSAV) at the University of Hawaii at Hilo has begun its annual summer session course in volcano monitoring. The eighth CSAV International Training Program in Volcano Hazards Monitoring started on May 19.

May 16, 1997

A few evenings ago the staff of the Hawaiian Volcano Observatory took a field trip to Prince Kuhio Plaza to see the latest disaster film, VOLCANO! Generally, we on the Big Island take volcanic phenomena very seriously. 

Kīlauea: Eruption Status—May 9...
May 9, 1997

Many residents have noticed the bright orange glow coming from Kīlauea's eruption site on recent nights. Judging from the phone calls we receive at the U.S. Geological Survey's Hawaiian Volcano Observatory, this sight strikes some viewers as lovely and others as alarming, probably depending on their past experience with lava flows.

May 1, 1997

The Mauna Ulu eruption on Kīlauea's east rift zone began 28 years ago this month, on May 24, 1969. For the next 2.5 years eruption was almost continuous and often spectacular. The eruption was the longest and largest on the rift zone in post-contact time until surpassed by the Pu`u `O`o eruption.

April 24, 1997

Hilo is situated on lava flows from two of the five volcanoes that form the Island of Hawai`i. However, most of the surface flows one drives by (and upon) every day are flows from Mauna Loa.

April 19, 1997

Regular readers of this column should not have been surprised last week by the news article stating that the earthquake risk on the Big Island is as high as that of California.

April 16, 1997

A magnitude-3.8 earthquake shook the Kīlauea summit region at 2:55 p.m. Wednesday afternoon.

April 10, 1997

The 55th episode of Kīlauea's east rift zone eruption has resumed with the vigor that characterized the eruption prior to January 30. We mark the episode's onset as 0700 hrs on February 24, the time when lava first reappeared in the crater of Pu`u `O`o following a 23-day pause.