Images

Oblique photograph of Knife Ridge monitoring site showing approximate soil pit locations.

A methane seep in shallow Lake Qalluuraq on the Alaskan North Slope near the Native Village of Atqasuk breaks the water's surface during 2009 geophysical surveys

This image displays expected overwash probabilities at Cape Canaveral given a typical nor’easter storm striking the coast.

Much of the crater rim has fallen into Pu`u `Ō `ō crater over the past few years. The most recent collapse in October removed the summit of the cone, reducing the height of Pu`u `Ō `ō by a few meters (yards).

Portions of the northwest rim of Pu`u `Ō `ō have collapsed over the past few years, with the most recent known collapse this past October.

Wright's Creek gage and flood. 

Choctawhatchee River and gage in late December flood looking downstream. 

Thanks to cooperating winds, views into Pu`u `Ō `ō Crater were only slightly obscured by fume today. These photos show a rare glimpse of the rubble covered walls and floor of the crater (looking south)

Thanks to cooperating winds, views into Pu`u `Ō `ō Crater were only slightly obscured by fume today. These photos show a rare glimpse of the rubble covered walls and floor of the crater (looking southwest)

The USGS Pacific Coastal and Marine Science Center, located in Santa Cruz, California, owns and operates the research vessel R/V Parke Snavely to collect data and run surveys.

Path left by debris flow moving down a channel. The debris flow was generated in response to a rainstorm on November 12, 2009 in Arroyo Seco, southern California.

Aluminum roofs and debris transported behind the village of Tula on the east shore of American Samoa following the Tsunami that hit the island on Sept. 29, 2009. The tsunami runup was 16-26 feet in Tula.

Tsunami flow depth at Alofau, American Samoa following the tsunami that hit the island on Sept. 29, 2009.

Tsunami flow depth indicator at Fagasa, American Samoa following the tsunami that hit the island on Sept. 29, 2009. Vegetation is brown where it was submerged by the tsunami and green above.

Boat thrown onto fish pond in Maloata, American Samoa following the tsunami that hit the island on Sept. 29, 2009.

Car thrown into building in Pago Pago, American Samoa during the tsunami that struck the island on Sept. 29, 2009.

Tsunami sand deposit at Alao, American Samoa following the tsunami on Sept. 29, 2009. Light colored sand deposited during the tsunami overlies darker soil that was there before the tsunami.

Mount Baker's Carmelo Crater at the summit is breached by Roosevelt Glacier, view to the southeast, Washington.

Roof moved into the ocean in Fagasa, American Samoa following the tsunami that hit the island on Sept. 29, 2009.

Only the foundation of a house in Fagasa, American Samoa remains after the tsunami hit on Sept. 29, 2009.