GIS Data
USGS is a primary source of geographic information system (GIS) data. Our data and information is presented in spatial and geographic formats, including The National Map, Earth Explorer, GloVIS, LandsatLook, and much more. Explore GIS Data Maps.
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
Maps showing predicted probabilities for selected dissolved oxygen and dissolved manganese threshold events in depth zones used by the domestic and public drinking water supply wells, Central Valley, California
Quaternary sediment thickness and bedrock topography of the glaciated United States east of the Rocky Mountains
January 24, 2018—26 years since last Mauna Loa eruption
January 24, 2018—Mauna Loa poses most serious threat to South Kona
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.