Volcanic Maps

These three thermal maps were made from oblique thermal images collected during helicopter overflights of Kīlauea summit. The collection dates bracket the last two episodes of lava fountaining - episode 37 was on November 25 and episode 38 was on December 6.

This map shows lava flow and tephra accumulation at the summit of Kīlauea volcano associated with episode 38 of the ongoing eruption in Halemaʻumaʻu that started on December 23, 2024

This reference map depicts the Kīlauea summit eruption within Halema‘uma‘u crater that began on December 23, 2024. As of this posting on November 25, the eruption continues with lava fountaining episode 37 underway this afternoon.

This reference map depicts the Kīlauea summit eruption within Halema‘uma‘u crater that began on December 23, 2024. As of this posting on September 12, 2025, the eruption has had thirty-two episodes, with the most recent occurring on September 2.

This reference map depicts the Kīlauea summit eruption within Halema‘uma‘u crater that began on December 23, 2024. As of this posting on August 29, 2025, the eruption has had thirty-one episodes, with the most recent one occurring on August 22 and 23.

This thermal map of Kīlauea's summit caldera was made from airborne thermal images collected on August 25, just a few days after episode 31 lava fountaining covered Halemaʻumaʻu crater floor in new lava flows.

COSMO-SkyMed Second Generation (CSG) interferogram for the period from August 2 to August 10, 2025, covering Kīlauea volcano’s summit region.

This reference map depicts the Kīlauea summit eruption within Halema‘uma‘u crater that began on December 23, 2024. As of this posting on August 1, 2025, the eruption has had twenty-nine episodes, with the most recent occurring on July 20.

This map shows thickness values for lava flows within Halema‘uma‘u crater from the Kīlauea summit eruption that began on December 23, 2024.

This reference map depicts the Kīlauea summit eruption within Halema‘uma‘u crater that began on December 23, 2024. As of this posting on June 13, the eruption continues episodically.

This map shows lava flow and tephra accumulation at Kīlauea volcano associated with episode 24 of the ongoing eruption in Halemaʻumaʻu that started on December 23, 2024. The image covers the timespan from May 30–June 7, 2025.

This reference map depicts the Kīlauea summit eruption within Halema‘uma‘u crater that began on December 23, 2024. As of this posting on June 6, the eruption continues episodically. Most of the map data included here were collected during a USGS Hawaiian Volcano Observatory helicopter overflight on May 28, between episodes 23 and 24.