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Maps

Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation. They also organize, maintain, and publish the geospatial baseline of the Nation's topography, natural landscape, built environment and more.

Geologic Maps

Geologic Maps

Map Releases

Map Releases

Topo Maps

Topo Maps

Volcanic Maps

Volcanic Maps

All Maps

Filter Total Items: 496

Map of Flow Field

Recent changes to Kīlauea’s East Rift Zone lava flow field.

Map of Flow Field

Recent changes to Kīlauea’s East Rift Zone lava flow field.

February 15, 2018—Why are HVO scientists talking so much about Mauna Loa?

Mauna Loa, Earth's largest active volcano, has erupted 33 times since 1843, producing the lava flows shown in black. 

Map of Flow Field

Recent changes to Kīlauea’s East Rift Zone lava flow field

January 05—Thermal map of flow field

This map shows a thermal map over the Episode 61g lava flow.

Map of Flow Field

Recent changes to Kīlauea’s East Rift Zone lava flow field.

Map of post-1823 lava flows erupted from Mauna Loa

Slope map of Mauna Loa, including lava flows erupted since 1823 (gray), showing the approximate number of hours or days it took for a flow to advance from the vent location to the ocean or maximum reach of a flow. 

2012—Island of Hawai‘i map, showing Mauna Loa

Island of Hawai‘i map, showing Mauna Loa and the other four volcanoes that make up the island. Mauna Loa structural features include summit caldera, rift zones, radial vents, and historical lava flows.

Earthquakes at Mauna Loa from June 2013 to June 2015

Earthquakes at Mauna Loa from June 2013 to June 2015. Green circles are 0-5 km (0-3 mi) deep and similar to ones prior to 1975 and 1984 eruptions, but cluster of 5-10 km (3-6 mi) deep quakes missing.

Map of lava flows that have erupted on Mauna Loa Volcano — 1843-1985

Map of lava flows that have erupted on Mauna Loa Volcano from 1843-1984.