March 2, 2026—Kīlauea summit eruption reference map

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This reference map depicts the Kīlauea summit eruption within Halema‘uma‘u crater that began on December 23, 2024. As of this posting on March 2, 2026, the eruption has had forty-two episodes, with the most recent occurring on February 15. Most of the data for this map were collected during a USGS Hawaiian Volcano Observatory helicopter overflight on February 26, so the provided statistics are reflective of the entire eruption to this point. 

Eruptive vent and tephra cone statistics through episode 42: 

• Vent elevations: 1,070 meters (3,510 feet)
• Vent level below crater rim: 70 meters (230 feet)
• Vent height to surrounding lava: 35 meters (115 feet)
• Cone's peak elevation: 1,185 meters (3,890 feet)
• Cone's height to crater rim: 45 meters (150 feet) 

Lava statistics through episode 42: 

• Average lava elevation: 997 meters (3,271 feet)
• Average lava thickness: 80 meters (262 feet)
• Maximum lava thickness: 160 meters (525 feet)
• Total lava extent: 420 hectares (1,037 acres)
• Total lava volume: 242.4 million cubic meters (64.0 billion gallons)