Images

Map of earthquakes in the Yellowstone area in 2017 that were individually located using traditional methods by University of Utah Seismograph Stations. The Maple Creek earthquake swarm, northwest of the caldera (red outline), is the second-longest-lasting ever recorded in the region. Black line shows Park boundary, and white lines are roads.

Sandy Brosnahan, Woods Hole Coastal and Marine Science Center, discusses Kilauea Volcano drone footage with Science Stroll participants

USGS drone demonstration at the 2018 Woods Hole, MA Science Stroll

Unmanned Aerial Systems (UAS) demonstration at 2018 Woods Hole, MA Science Stroll

Volcano Awareness Month 2019 Overview images

USGS display table at the 2018 Woods Hole, MA Science Stroll

The USGS Hawaiian Volcano Observatory continues to closely monitor volcanoes and earthquakes on the Island of Hawai‘i. On this map, which shows earthquakes that occurred beneath the island between August 6, 2018, and November 14, 2018, the size of each circle depicts earthquake magnitude and color indicates earthquake depth, relative to mean sea level. USGS map.

Engineering technician Jenny McKee from the USGS Pacific Coastal and Marine Science Center in Santa Cruz, California watches as an expendable sonobuoy leaves the launcher during the 2018 MATRIX cruise on research vessel Hugh R.

Fissure 22 was active in late May near Lanipuna Gardens subdivision, which is now mostly buried by lava flows. During the later stages of Fissure 22 activity, small strombolian-style explosions built a symmetric cinder cone over the vent.

GPS time series from station NRWY, near Norris Geyser Basin in Yellowstone National Park. The three plots show how the station is moving in a north-south direction (top), east-west direction (middle), and up-down direction (bottom).

USGS personnel configuring and deploying the streamer of hydrophone receivers on the R/V Hugh R. Sharp during the MATRIX cruise.  In foreground from left to right are Nathan Miller, Wayne Baldwin, and Eric Moore from the USGS Woods Hole Coastal and Marine Science Center.

USGS Unmanned Aerial Systems (UAS) pilot, Elizabeth Pendleton, setting a target in Great Marsh, Sandy Neck Beach, Cape Cod, Massachusetts

Woods Hole Coastal and Marine Science Center Aerial Imaging and Mapping (AIM) group on Great Marsh, Cape Cod, MA

Sandy Brosnahan (left) and Ellizabeth Pendleton (right), Woods Hole Coastal and Marine Science Center Unmanned Aerial Systems (UAS) pilots flying drones at Sandy Neck Beach, Cape Cod, MA.  

Woods Hole Coastal and Marine Science Center Unmanned Aerial Systems (UAS) pilots Sandy Brosnahan (left) and Elizabeth Pendleton conduct a drone flight from atop a dune at Sandy Neck (Cape Cod).

A colorful sunrise appears over the horizon of a calm ocean offshore of Jensen Beach, Florida. USGS Scientist RC Mickey collects data for location and elevation of sea turtle crawls and associated beach profiles this stretch of coastline.

The emission of volcanic gases, including sulfur dioxide and hydrogen sulfide, is not unusual at the summit of Kīlauea. However, sulfur dioxide gas emission rates are now lower than they have been since before 1983, with about 50 tonnes/day measured at the summit of the volcano on the day of this photo (October 24).

These two plots show summit tilt (ground deformation) and seismicity (earthquake counts) on Kīlauea Volcano between July 15 and August 5, 2018. A regular pattern emerged in which seismicity gradually increased over 1-3 days (bottom), until the caldera floor suddenly dropped several meters (yards) in a matter of seconds.

Woods Hole Coastal and Marine Science Center unmanned aerial systems (uas) pilots conduct drone flights at Sandy Neck Beach, Cape Cod, MA

Mount Rainier is much more than a mountain in the sky. Constructed of hundreds of lava flows, and capped by as much glacier ice as all other Cascade volcanoes combined, Rainier's steep rubbly slopes and abundant water make it prone to landslides and lahars, especially during eruptions. Are you ready for an eruption?

The inferred rupture area (white dashed line) of the May 4, 2018, magnitude-6.9 earthquake, with its foreshocks and first 10 days of aftershocks, spans an area of about 800 sq km (300 sq mi). Circle size indicates earthquake magnitude; color indicates earthquake depth. Magnitudes for some of the larger events are labeled.