Images

Active breakouts on the Kahauale‘a 2 are scattered over a broad area. Here, a breakout near the edge of the forest engulfs trees and burns dead foliage.

The lava lake in Halema‘uma‘u has fallen slightly over the past few weeks. It is now about 55 m (180 ft) below the surrounding crater floor.

The lava lake in Halema‘uma‘u has fallen slightly over the past few weeks. It is now about 55 m (180 ft) below the surrounding crater floor.

All Hawaii residents are encouraged to participate in the Great Hawaii ShakeOut earthquake drill at 10:17 a.m. on October 17, 2013.

The Kahauale‘a 2 flow extends to the north and northeast of Pu‘u ‘Ō‘ō. From the edge of the flow, where it first reaches the forest, Pu‘u ‘Ō‘ō still appears to tower above the surrounding plain.

Active breakouts on the Kahauale‘a 2 are scattered over a broad area. Here, a breakout near the edge of the forest engulfs trees and burns dead foliage.

This beautiful bubble of glass, about the size of an small orange, adorns the surface of a breakout on the Kahauale‘a 2 flow. Note the delicate bubble walls stretched so thin that they grade from the color of honey to transparent.

The Kahauale‘a 2 flow extends to the north and northeast of Pu‘u ‘Ō‘ō. From the edge of the flow, where it first reaches the forest, Pu‘u ‘Ō‘ō still appears to tower above the surrounding plain.

Active breakouts on the Kahauale‘a 2 are scattered over a broad area. Here, a breakout near the edge of the forest engulfs trees and burns dead foliage.

The Kahauale‘a 2 flow extends to the north and northeast of Pu‘u ‘Ō‘ō. From the edge of the flow, where it first reaches the forest, Pu‘u ‘Ō‘ō still appears to tower above the surrounding plain.

This beautiful bubble of glass, about the size of an small orange, adorns the surface of a breakout on the Kahauale‘a 2 flow. Note the delicate bubble walls stretched so thin that they grade from the color of honey to transparent.

The lava lake in Halema‘uma‘u has fallen slightly over the past few weeks. It is now about 55 m (180 ft) below the surrounding crater floor.

This beautiful bubble of glass, about the size of an small orange, adorns the surface of a breakout on the Kahauale?a 2 flow. Note the delicate bubble walls stretched so thin that they grade from the c

The USGS Big Thompson River at Loveland streamgage, pictured here, was damaged during the September 2013 Colorado flood event. USGS crews installed a temporary streamgage nearby to compensate for the lag in data.

The Big Thompson River is one of many that flooded during a significant September 2013 rain event along Colorado's Front Range, damaging or destroying several USGS streamgages.

A USGS Colorado Water Science Center field crew installs a temporary streamgage and takes streamflow and water level measures on the St. Vrain River near Longmont, Colo. The river is one of many that flooded during a significant September 2013 rain event along Colorado's Front Range, damaging or destroying several USGS streamgages.

A USGS Colorado Water Science Center field crew (Bob Brandle, Cory Stevens, Matt Nicotra, and Kevin Scofield) installs a temporary streamgage and takes streamflow and water level measures on the St. Vrain River near Longmont, Colo.

A USGS Colorado Water Science Center field crew (Bob Brandle, Cory Stevens, Matt Nicotra, and Kevin Scofield) installs a temporary streamgage and takes streamflow and water level measures on the St. Vrain River near Longmont, Colo.

A USGS Colorado Water Science Center field crew (Bob Brandle, Cory Stevens, Matt Nicotra, and Kevin Scofield) installs a temporary streamgage and takes streamflow and water level measures on the St. Vrain River near Longmont, Colo.

A USGS Colorado Water Science Center field crew installs a temporary streamgage and takes streamflow and water level measures on the St. Vrain River off Highway 119 near Longmont, Colo. The river is one of many that flooded during a significant September 2013 rain event along Colorado's Front Range, damaging or destroying several USGS streamgages.

A USGS Colorado Water Science Center field crew (Bob Brandle, Cory Stevens, Matt Nicotra, and Kevin Scofield) installs a temporary streamgage and takes streamflow and water level measures on the St. Vrain River near Longmont, Colo.