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May 13, 2021—Rise of the Halema‘uma‘u lava lake

Digital elevation models (DEMs) created from photos taken during helicopter overflights of Kīlauea summit.

March 4, 2021—Kīlauea 2018 lower East Rift Zone thermal map

A thermal map of Kīlauea Volcano's 2018 lower East Rift Zone fissures and steaming area.

May 13, 2021—Halema‘uma‘u eruption Digital Elevation Model

HVO uses regular Kīlauea summit helicopter overflights of Halema‘uma‘u crater to create digital elevation models (DEMs) of the crater.

May 13, 2021—Kīlauea summit eruption thermal map

May 13, 2021—Kīlauea summit eruption thermal map constructed from aerial imagery

May 13, 2021—Kīlauea summit eruption thermal map compilation

A compilation of nine thermal maps created for the ongoing eruption in Halema‘uma‘u, at the summit of Kīlauea, showing the evolution of the lava lake.

Surface Rupture Map of the 2020 M 6.5 Monte Cristo Range earthquake, Esmeralda and Mineral counties, Nevada

The 15 May 2020, M6.5 Monte Cristo Range earthquake was the largest earthquake in Nevada in over 66 years and occurred in a sparsely populated area of western Nevada about 74 km southeast of the town of Hawthorne. The earthquake produced surface rupture distributed across a 28-km-long zone along the eastward projection of the Candelaria fault in the Mina deflection of the central Walker Lane. Post

May 7, 2021—Kīlauea summit eruption contour map

May 7, 2021—Kīlauea summit eruption contour map showing lava lake level and elevations of features within the caldera

April 29, 2021—Increasing size of the Halema‘uma‘u lava lake

Digital elevation models (DEMs) created from photos taken during helicopter overflights of Kīlauea summit.

April 29, 2021—Rise of the Halema‘uma‘u lava lake

Digital elevation models (DEMs) created from photos taken during helicopter overflights of Kīlauea summit.

Bathymetric survey and sedimentation analysis of Lago Patillas, Puerto Rico, August 2019

In August 2019, the U.S. Geological Survey, in cooperation with the Puerto Rico Electric Power Authority, conducted a bathymetric survey of Lago Patillas to update stage-volume data in order to determine the sediment infill rates and to generate a bathymetry map. Water-depth data were collected along predefined lines using single-beam depth sounder and Differential Global Positioning System techno

April 23, 2021—Kīlauea summit eruption contour map

April 23, 2021—Kīlauea summit eruption contour map showing lava lake level and elevations of features within the caldera

April 16, 2021—Kīlauea summit eruption thermal map

April 16, 2021—Kīlauea summit eruption thermal map constructed from aerial imagery