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Volcano Hazard Program images.

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Ken Honma retires from HVO after almost 40 years of service...
Ken Honma retires from HVO after almost 40 years of service
Ken Honma retires from HVO after almost 40 years of service
Ken Honma retires from HVO after almost 40 years of service

Ken Honma, shown here in August 1973, repaired stations and replaced batteries at remote seismic stations to keep the USGS Hawaiian Volcano Observatory seismic network running smoothly.

Ken Honma, shown here in August 1973, repaired stations and replaced batteries at remote seismic stations to keep the USGS Hawaiian Volcano Observatory seismic network running smoothly.

Ken Honma retires from HVO after almost 40 years of service...
Ken Honma retires from HVO after almost 40 years of service
Ken Honma retires from HVO after almost 40 years of service
Ken Honma retires from HVO after almost 40 years of service

Ken Honma, an electronics technician with the Hawaiian Volcano Observatory for almost 40 years, retired from the U.S. Geological Survey on July 31, 2010.

Image: Lava Exiting Lava Tube
Lava Exiting Lava Tube
Lava Exiting Lava Tube
Lava Exiting Lava Tube

Lava exited the tube at the sea cliff and poured out onto the growing delta.

Lava exited the tube at the sea cliff and poured out onto the growing delta.

Page from Plan Your Trip to Mount Rainier, an outreach activity use...
Page from Plan Your Trip to Mount Rainier, an outreach activity use...
Page from Plan Your Trip to Mount Rainier, an outreach activity use...
Image: Kilauea Lava FLows Advance Toward Kalapana
Kilauea Lava FLows Advance Toward Kalapana
Kilauea Lava FLows Advance Toward Kalapana
Kilauea Lava FLows Advance Toward Kalapana

In July 2010, lava erupted from Kilauea Volcano's east rift zone burned vegetation on the coastal plain as active flows advanced toward Kalapana Gardens, the same area inundated by lava flows in 1990. Two homes in the subdivision were destroyed by lava in 2010 -- one in July and one in November.

In July 2010, lava erupted from Kilauea Volcano's east rift zone burned vegetation on the coastal plain as active flows advanced toward Kalapana Gardens, the same area inundated by lava flows in 1990. Two homes in the subdivision were destroyed by lava in 2010 -- one in July and one in November.

Pinnacles formed in Mazama pyroclastic flow
Pinnacles formed in Mazama pyroclastic flow deposit as erosion reve...
Pinnacles formed in Mazama pyroclastic flow deposit as erosion reve...
Pinnacles formed in Mazama pyroclastic flow deposit as erosion reve...

Pinnacles formed in Mazama pyroclastic flow deposit as erosion revealed fumarole chimneys that formed shortly after 7,700 ka eruption released gas, Crater Lake.

Crater Lake panorama seen from the lake's southern shore. Wizard Is...
Crater Lake panorama seen from the lake's southern shore. Wizard Is...
Crater Lake panorama seen from the lake's southern shore. Wizard Is...
Crater Lake panorama seen from the lake's southern shore. Wizard Is...

Crater Lake panorama seen from the lake's southern shore. Wizard Island is cone in western portion of lake. Oregon

Mauna Loa rumbled and stretched as it awakened from a 25-year slumb...
Mauna Loa rumbled and stretched as it awakened from a 25-year slumber
Mauna Loa rumbled and stretched as it awakened from a 25-year slumber
Mauna Loa rumbled and stretched as it awakened from a 25-year slumber

Lava fountains up to 20 m (65 ft) high erupted from fissures on the north flank of Mauna Loa early Sunday morning, July 6, 1975. USGS photo.

Image: Thermal Image of Halema'uma'u Vent
Thermal Image of Halema'uma'u Vent
Thermal Image of Halema'uma'u Vent
Thermal Image of Halema'uma'u Vent

This thermal image shows the view of the Halema`uma`u vent from today's overflight. The kidney-shaped lava pond, about 90 meters long, is deep within the vent cavity. The mostly-crusted lava migrates from the north (right in this photo), where it upwells from depth, to the south, where is sinks back into the conduit.

This thermal image shows the view of the Halema`uma`u vent from today's overflight. The kidney-shaped lava pond, about 90 meters long, is deep within the vent cavity. The mostly-crusted lava migrates from the north (right in this photo), where it upwells from depth, to the south, where is sinks back into the conduit.

Image: Taking Lava Samples
Taking Lava Samples
Taking Lava Samples
Taking Lava Samples

Geologist taking a sample from a recently formed skylight on the Quarry flow lava tube. Samples collected directly from the lava tube are usually the best samples for chemical analysis.

Geologist taking a sample from a recently formed skylight on the Quarry flow lava tube. Samples collected directly from the lava tube are usually the best samples for chemical analysis.

Image: Composite and Thermal Photo of Lava Flows
Composite and Thermal Photo of Lava Flows
Composite and Thermal Photo of Lava Flows
Composite and Thermal Photo of Lava Flows

This image is a composite of a normal photograph and a thermal image, and shows the currently active flows coming down the pali towards the ocean. The active flow areas are shown as white and yellow, while older, cooler flows are shown by purple hues.

This image is a composite of a normal photograph and a thermal image, and shows the currently active flows coming down the pali towards the ocean. The active flow areas are shown as white and yellow, while older, cooler flows are shown by purple hues.

Image: Lava Flows
Lava Flows
Lava Flows
Lava Flows

Lava flows are once again nearing the County viewing area at the end of Highway 130. The flow front is about one kilometer (0.6 mi) away, burning small patches of vegetation in its path.

Lava flows are once again nearing the County viewing area at the end of Highway 130. The flow front is about one kilometer (0.6 mi) away, burning small patches of vegetation in its path.

Image: Kilauea July 2007 Eruption Flow (Map)
Kilauea July 2007 Eruption Flow (Map)
Kilauea July 2007 Eruption Flow (Map)
Kilauea July 2007 Eruption Flow (Map)

Map showing the extent of the July 2007 eruption flow field relative to surrounding communities. Light red is the extent of the July 2007 eruption flow field. Reddish-brown is the extent of the currently-active Quarry flow as of July 8, 2010, while bright red shows the flow field expansion of the Quarry flow mapped by HVO geologists between July 8 and 14.

Map showing the extent of the July 2007 eruption flow field relative to surrounding communities. Light red is the extent of the July 2007 eruption flow field. Reddish-brown is the extent of the currently-active Quarry flow as of July 8, 2010, while bright red shows the flow field expansion of the Quarry flow mapped by HVO geologists between July 8 and 14.

Halema‘uma‘u's fickle lava pond has been unusually steady recently...
Halema‘uma‘u's fickle lava pond has been unusually steady recently
Halema‘uma‘u's fickle lava pond has been unusually steady recently
Halema‘uma‘u's fickle lava pond has been unusually steady recently

The lava pond resides deep within the vent cavity in Halema‘uma‘u, at a depth of about 180 m (200 yards). Photograph taken from the former Halema‘uma‘u Overlook on June 20, 2010.

Image: Skylight (lava)
Skylight (lava)
Skylight (lava)
Skylight (lava)

An aerial photo looking directly into a skylight that formed in the last 24 hours. This skylight is located at the top of one of the rootless shields on the upper flow field.

An aerial photo looking directly into a skylight that formed in the last 24 hours. This skylight is located at the top of one of the rootless shields on the upper flow field.

Image: Time-Lapse Equipment
Time-Lapse Equipment
Time-Lapse Equipment
Time-Lapse Equipment

Geologist changing the data card from the time-lapse camera on the north rim of Pu'u 'Ö'ö cone.

Geologist changing the data card from the time-lapse camera on the north rim of Pu'u 'Ö'ö cone.

Image: Looking Northwest -- Rootless Shields
Looking Northwest -- Rootless Shields
Looking Northwest -- Rootless Shields
Looking Northwest -- Rootless Shields

View looking the opposite direction (toward the northwest) with the rootless shields field crossing the image just above center. The low rounded shield shape is not apparent at this slightly steeper angle. The terminus of the active flows is just above the lower right side of the photo.

View looking the opposite direction (toward the northwest) with the rootless shields field crossing the image just above center. The low rounded shield shape is not apparent at this slightly steeper angle. The terminus of the active flows is just above the lower right side of the photo.

Image: Rootless Shield
Rootless Shield
Rootless Shield
Rootless Shield

Rootless shields, when active, are often topped by a lava pond, as seen here.

Rootless shields, when active, are often topped by a lava pond, as seen here.

Image: Looking Southeast Along Kilauea TEB Tube System
Looking Southeast Along Kilauea TEB Tube System
Looking Southeast Along Kilauea TEB Tube System
Looking Southeast Along Kilauea TEB Tube System

View looking southeast along the fuming trace of the TEB tube system. The growing rootless shield field is in the background just above and to the left of center frame. The low, rounded shape of the shields--especially the shield in shadow to the left--are evident in this photo.

View looking southeast along the fuming trace of the TEB tube system. The growing rootless shield field is in the background just above and to the left of center frame. The low, rounded shape of the shields--especially the shield in shadow to the left--are evident in this photo.

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