Volcanic Maps
The USGS Volcano Hazards Program enhances public safety and minimize social and economic disruption from volcanic unrest and eruption. We accomplish this by delivering effective forecasts, warnings, and information about volcano hazards based on scientific understanding of volcanic processes. Learn more by exploring USGS volcanic maps.
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Map of Flow Field Map of Flow Field
Recent changes to Kīlauea’s East Rift Zone lava flow field.
Satellite image shows location of breakouts on flow field Satellite image shows location of breakouts on flow field
Image shows that breakouts continue in several areas on the flow field.
Map of Flow Field Map of Flow Field
Recent changes to Kīlauea’s East Rift Zone lava flow field.
Map of Flow Field Map of Flow Field
Recent changes to Kīlauea’s East Rift Zone lava flow field.
Map of 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? 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 Map of Flow Field
Recent changes to Kīlauea’s East Rift Zone lava flow field
January 24, 2018—26 years since last Mauna Loa eruption January 24, 2018—26 years since last Mauna Loa eruption
26 years since last Mauna Loa eruption
January 24, 2018—Mauna Loa poses most serious threat to South Kona January 24, 2018—Mauna Loa poses most serious threat to South Kona
Mauna Loa poses most serious threat to South Kona
January 05—Thermal map of 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 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 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.