Images

Geologic map of Mauna Kea, showing generalized distribution of lava flows, cinder cones, and glacial deposits of the Laupahoehoe Volcanics.

Photograph showing the scar left by a landslide on a hillside above the Burlington Northern Santa Fe Railway in Everett, Washington.

Photograph showing a house that was damaged by a 1997 landslide along Perkins Lane in Seattle, Washington.

Profile of Mauna Kea showing inferred contact (dot-dashed line) between postshield-stage Hamakua Volcanics and underlying shield-stage lavas. Approximate contact with Laupahoehoe Volcanics dashed.

Rock and ice debris avalanche (October 20, 1997) on the east side of Mount Adams.

Burned-out buildings in downtown Grand Forks, North Dakota.

The Holiday Mall in East Grand Forks, Minnesota, during the Red River of the North flood.

Downtown Grand Forks, North Dakota flooded by the Red River of the North in 1997.

An inundated building in Grand Forks, North Dakota durring the Red River of the North Flood.

Grand Forks flooding on Highway 2.

Boats on city streets of Grand Forks, North Dakota and East Grand Forks, Minnesota during the 1997 Red River of the North flood.

Flooding of homes in Grand Forks, North Dakota in 1997.

The Sorlie Bridge between Grand Forks, North Dakota and East Grand Forks, Minnesota, during the 1997 Red River of the North flood.

U.S. Geological Survey employees being transported to sites by National Guard personnel.

The flag of the United States of American flies over flood water in Grand Forks, North Dakota.

Flood waters inundated Grand Forks, North Dakota and East Grand Forks, Minnesota.The picture is looking west to Grand Forks, North Dakota and the  USGS gage house is the small white square in the center of the picture.

Fire consumes an building on a farmstead near the Red River of the North in northeastern North Dakota.

Sioux Falls SD Mosaic of NAPP Aircraft (E 795 99BN). EROS History Project

Mt. Konocti erupted during the most recent stage of volcanism (01. Ma to 10,000 years ago), and a future eruption from the same site would be devastating to the nearby inhabitants.

Lava fragments explode onto the sides of a littoral cone on the south coast of Kīlauea Volcano as lava pours into the sea from a lava tube.

Paleomagnetic secular variation curve for the past two thousand years. Label dates are mean ages before present (B.P.) or Anno Domini (AD), with gray circles indicating estimated error. Note that the magnetic field changes in declination (horizontal arched lines) and inclination (angled vertical lines) over time.