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Understanding Volcanic Activity and
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Global Volcanic Activity Update: Recent eruptions and Monitoring Reports
As of January 17, 2025, heightened volcanic activity is being reported across multiple regions globally, with recent eruptions and ongoing monitoring indicating potential hazards. Notable changes have been detected at several volcanoes, prompting alerts and continued observation.
Current Volcanic Activity Reports:
- Ol Doinyo Lengai (Tanzania): An effusion of natrocarbonatite lava continues within the pit crater of the northern main crater, as last updated on August 27, 2021. Ol Doinyo Lengai is unique for its unusual lava composition, rich in sodium and potassium carbonates.
- Planchón-Peteroa (central Chile and Argentina): Monitoring reports from the Smithsonian / USGS Weekly Volcanic Activity Report were last updated on February 27, 2020. This volcano, located on the border, is part of the Southern volcanic Zone of the Andes.
- Puracé (Colombia): The Smithsonian / USGS Weekly Volcanic Activity Report was last updated on January 22, 2025, indicating ongoing monitoring of this stratovolcano within the Cordillera Central.
- Puyehue-Cordón Caulle (Central Chile and Argentina): A volcanic Ash Advisory was issued on April 29, 2024, suggesting potential ashfall hazards for surrounding areas. This complex consists of multiple volcanic centers.
- Raung (East Java, Indonesia): The Smithsonian / USGS Weekly Volcanic Activity Report, updated December 24, 2024, details ongoing monitoring of this stratovolcano, known for its frequent explosive eruptions.
- Rincón de la Vieja (Costa Rica): Monitoring data from the Smithsonian / USGS Weekly Volcanic Activity Report was last updated on October 29,2023. This complex volcano features multiple craters and fumaroles.
- ruang (Sangihe Islands, Indonesia): Significant changes too the crater have been detected via satellite imagery as of September 11, 2024, raising concerns about potential increased activity. Ruang is a stratovolcano within the Sangihe Islands arc.
- San Cristobal (Nicaragua): The Smithsonian / USGS Weekly Volcanic Activity Report was last updated on June 9, 2024, providing updates on the monitoring of this active stratovolcano.
- Seulawah Agam (Sumatra, Indonesia): A Volcanic Ash Advisory was issued on November 16, 2024, indicating potential ash emissions and associated hazards.
- Shishaldin (Aleutian Islands, Alaska): A Volcanic Ash Advisory was released on August 30, 2024, signaling potential ashfall impacting air travel routes. Shishaldin is a conical stratovolcano.
- Taal (Luzon, Philippines): The Smithsonian / USGS Weekly Volcanic Activity Report, updated December 3, 2024, provides ongoing monitoring data for this historically active volcano, located within a caldera lake.
- Telica (Nicaragua): A Volcanic Ash Advisory was issued on January 15, 2025, indicating recent ash emissions from this frequently active stratovolcano.
- Tofua (Tonga Islands): The Smithsonian / USGS Weekly Volcanic Activity Report was last updated on April 28, 2024, detailing monitoring efforts for this submarine volcano.
- Ubinas (Peru): the Smithsonian / USGS Weekly Volcanic Activity Report, updated November 19, 2023, provides updates on the monitoring of this stratovolcano, known for its explosive eruptions and ash plumes.
- Ulawun (New Britain,Papua New Guinea): The Smithsonian / USGS Weekly Volcanic Activity Report was last updated on November 30,2023,detailing ongoing monitoring of this highly active stratovolcano.
- Villarrica (Central Chile): The Smithsonian / USGS Weekly Volcanic Activity Report was last updated on December 28, 2024, providing updates on the monitoring of this frequently active stratovolcano.
Understanding Volcanic Activity and
