Images

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

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

We collect terrestrial (barrier island) and marine (nearshore and estuarine) sediment cores to ground-truth geophysical observations. These cores are used to understand the history of barrier island formation and erosion.

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.

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

Boat thrown onto fish pond in Maloata, American Samoa following the tsunami that hit 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.

Marie Chan Kau, a staff member at American Samoa Community College and a member of the International Tsunami Survey Team, points to the maximum water level reached by the tsunami that struck American Samoa on Sept. 29, 2009. This spot, found in Fagasa, American Samoa, is about about 10 meters above sea level.

Sediment inundated a building in Pago Pago, American Samoa as a result of a Tsunami that struck the coast on Sept. 29, 2009.