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This reference map depicts the Kīlauea summit eruption within Halema‘uma‘u as of January 2, 2025. Since the onset of the eruption on December 23, 2024, it has covered a total of 673 acres (272 hectares) with new lava (pink area), and approximately half that area still hosts active flows (red area). The total lava volume is at least 4 billion gallons (15 million cubic meters), based on measurements from a December 27 overflight and estimates from observations of subsequent activity.