• Increased rock fracturing at Colombia’s Nevado del Ruiz volcano

    A notable increase in seismic activity associated with rock fracturing started at Colombia’s Nevado del Ruiz volcano on January 3, 2024. The alert status remains at Yellow, indicating unstable behavior and potential for quick escalation. This volcano is known for producing the deadliest lahar in history.

  • Colombia lowers alert level for Nevado del Ruiz volcano

    After 89 days of Orange alert due to increased seismic activity, Colombia’s geological service lowered the Nevado del Ruiz volcano’s alert level to Yellow on June 27, 2023. The de-escalation follows a period of decreased instability, paving the way for the potential easing of preventative measures.

  • Vigorous eruption at Nevado del Ruiz, Colombia

    A vigorous eruption took place at Nevado del Ruiz volcano, Colombia at 14:02 UTC on March 20, 2023. The Alert Level remains at 3 (Yellow — the second lowest level on a four-color scale). The last major eruption of this volcano occurred in 1985 and resulted in the deaths of over 20 000 people due to lahars.

  • Nevado del Ruiz eruption closes Manizales airport, Colombia

    Seismicity under Colombia's Nevado del Ruiz continues at elevated levels, and the volcano is experiencing frequent ash emissions since May 17, 2016. An eruption at about 10:40 UTC on May 22 sent ash 2.3 km (7 545 feet) above the crater (7.5 km / 24 606 feet…

  • Increased volcanic activity worldwide in late January 2013

    Kamchatka's volcanoes continued with ongoing eruptions. KVERT reports that there are currently seven active volcanoes (orange alert) – Kizimen, Karymski, Shiveluch and Plosky Tolbachik at orange level and Bezymianny, Gorely and Klyuchevskoy at yellow level….

  • Areas downstream of Nevado del Ruiz on preventive Red alert

    Authorities declared a red alert in areas downstream the central Colombia Nevado del Ruiz volcano Sunday amid growing concerns an eruption is imminent.According to Colombia’s meteorological institute IDEAM, the highest alert was justified “for the rivers close to the