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Map with thermal overlay showing active flows...
December 30, 2015

This map overlays a georeferenced thermal image mosaic onto a map of the flow field near Pu‘u ‘Ō‘ō; to show the distribution of active and recently active breakouts.

Map showing flow field changes...
December 3, 2015

This map shows recent changes to Kīlauea’s active East Rift Zone lava flow field.

Small-scale map of flow field...
December 3, 2015

This small-scale map shows Kīlauea’s active East Rift Zone lava flow in relation to the eastern part of the Island of Hawai‘i. 

Satellite image shows June 27th lava flow...
November 30, 2015

This satellite image was captured on Monday, November 30, by the Advanced Land Imager instrument onboard NASA's Earth Observing 1 satellite. 

Small-scale map of flow field...
November 12, 2015

This small-scale map shows Kīlauea’s active East Rift Zone lava flow in relation to the eastern part of the Island of Hawai‘i. 

Map showing flow field changes...
November 12, 2015

This map shows recent changes to Kīlauea’s active East Rift Zone lava flow field.

Small-scale map of flow field...
October 23, 2015

This small-scale map shows Kīlauea’s active East Rift Zone lava flow in relation to the eastern part of the Island of Hawai‘i.

Map showing flow field changes...
October 23, 2015

This map shows recent changes to Kīlauea’s active East Rift Zone lava flow field. 

Landsat satellite image shows June 27th lava flow...
October 13, 2015

This satellite image was captured on Tuesday, October 13, 2015 by the Landsat 8 satellite. 

Map showing flow field changes...
September 30, 2015

This map shows recent changes to Kīlauea’s active East Rift Zone lava flow field.

Small-scale map of flow field...
September 30, 2015

This small-scale map shows Kīlauea’s active East Rift Zone lava flow in relation to the eastern part of the Island of Hawai‘i.

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routine inspection of a UAS system prior to a flight
June 28, 2018

routine inspection of a UAS system prior to a flight

Two U.S. Geological Survey Unmanned Aircraft Systems (UAS) pilots perform a routine inspection of a UAS system prior to a flight at the summit of Kīlauea Volcano in June 2018. The UAS for this particular flight was outfitted with a multi-gas sensor to identify any new degassing sources within the collapsing summit caldera. All UAS flights inside Hawai‘i Volcanoes National

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Night view of fissure 8
June 28, 2018

Kīlauea Volcano — Fissure 8 Night View

Night view of the lava channel toward fissure 8 under a nearly full moon. This image was taken from an observation point near the right-hand bend in the channel

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Aerial view looking down on a lava flow overflow from a channel
June 27, 2018

Kīlauea Volcano — Channel Overflow

A small overflow from the lava channel (left side of image) captured by an Unmanned Aircraft System (UAS). Small overflows on both sides of the channel occurred shortly after midnight in the uppermost part of channel. None of these overflows extended past the existing flow field.

View of fissure 8 with overflows
June 27, 2018

Kīlauea Volcano — Overflows

Overflows from the perched lava channel are seen as incandescent (glowing) fingers moving down the sides of the channel (left side of photo). Fissure 8 

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lava plumes from ocean entries
June 27, 2018

Kīlauea Volcano — Kapoho Coastline Ocean Entries

Lava continues to enter the sea along the southern Kapoho coastline. Lava enters the ocean primarily through an open channel, but also along a 1-km (0.6 mi) wide area. Also visible in the image (center right) is an area at the northern margin of the flow field that is oozing fresh lava at several points in the area of Kapoho Beach Lots.

Lava channel
June 26, 2018

Kīlauea Volcano — Lava Channel Branches Off

Southward facing view of the point at which the fissure 8 lava channel bifurcates.

Lava entering the ocean causing laze plumes
June 26, 2018

Kīlauea Volcano — Laze Plumes

Lava from fissure 8 is entering the sea this morning on the southern portion of the flow front primarily through the open channel, but also along this 1 km (0.6 mi) wide area with multiple laze plumes from smaller oozing lobes.

Lava entering the ocean
June 26, 2018

Kīlauea Volcano — Ocean Entry

North facing view of the 1 km (0.6 mi) long ocean entry with multiple lobes of lava flowing into the sea.

June 26, 2018

Kīlauea Volcano — Remobilized Ash Plume

Recent explosive events haven't produced significant ash plumes from the summit, but downwind communities may still experience ashfall when previously erupted ash is remobilized. On authorized permission from Hawai‘i Volcanoes National Park, our Unmanned Aircraft Systems crew is conducting gas measurements at Pu‘u ‘Ō‘ō. They snapped this photograph from Chain of Craters

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Lava channels
June 26, 2018

Kīlauea Volcano — Braided Lava Channels

Lava within the braided portion of the fissure 8

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Summer 2017 goes out like a lion with hurricanes and earthquakes: r...
October 12, 2017

As the summer months began to wind down this year, Nature's fury began to wind up and grab much of the news cycle.

Modeling Kīlauea Volcano a Century Ago...
October 5, 2017

In today's age of aerial photography, satellites, and drones, bird's-eye views of geologic features are taken for granted. A century ago, such depictions posed enormous challenges. 

Legacy of the Mount St. Helens 1980 eruption still defies perfect s...
September 28, 2017

Thirty-seven years after the May 18, 1980, eruption of Mount St. Helens, Washington, scientists, engineers, land managers, and Federal, State, and County officials are still grappling with a challenge created by the eruption—how to prevent potentially massive downstream flooding by the release of water from Spirit Lake, located at the base of the volcano.

Thermal map of flow field...
September 21, 2017

This mosaic of thermal images is basically a thermal map of the lava flow surface, and reveals the exact location of all the active surface breakouts.

Mauna Loa update: unrest continues, but the outcome is uncertain...
September 14, 2017

What's up with Mauna Loa, and is any change in sight?

When you need information about Hawaiian volcanoes, turn to the USG...
September 7, 2017

For information about Hawaiian volcanoes, a good place to start is the U.S. Geological Survey (USGS). Between its websites and publications, abundant resources are at your disposal.

Tephra deposit names: out with the old, in with the new!...
August 31, 2017

The caldera was a dynamic place during the 300-plus years just before written history began at Kīlauea (in 1823), and the newly defined subdivisions of the Keanakāko‘i Tephra help us understand this energetic and dangerous time better than did the previous terminology.

Creative engineering helps HVO monitor Mauna Loa Volcano...
August 24, 2017

The USGS Hawaiian Volcano Observatory (HVO) has a long tradition of innovation when it comes to the tools that we use to monitor the status and activity of volcanoes.

The ongoing Pu‘u ‘Ō‘ō eruption is full of anniversaries...
August 17, 2017

The longest-lived and most voluminous rift-zone eruption of Kīlauea Volcano in more than 500 years—the ongoing Pu‘u ‘Ō‘ō eruption—began in January 1983, and is fast approaching its 35th anniversary.

Thermal Cameras Keep a Cool Eye on Hot Lava...
August 10, 2017

Thermal cameras have been used by volcanologists around the world for many years to study volcanic processes and search for signs of impending eruptions.

Lava cascades out of perched lava channel into lower channel, Pu‘u ...
August 3, 2017

Kīlauea has now passed the one-year anniversary of the episode 61g lava flow reaching the Pacific Ocean. But what was this busy volcano up to a decade ago?

Largest Hawaiian earthquake in a decade reminds us to be prepared...
July 27, 2017

On June 8, 2017, many Island of Hawai‘i residents were awakened by a sharp jolt just past 7 a.m. This natural wake-up call was caused by a magnitude-5.3 earthquake, the largest to strike Hawaii in over a decade.