Geology & Geohazards

Faults, eruptions, tsunamis, and monitoring our dynamic planet.

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volcanodiscovery.com > osore-yama > archive > 2025.html

Osore-yama Volcano, Honshu, Japan: Facts & Information | VolcanoDiscovery

5+ hour, 58+ min ago   (61+ words) The following overview lists known alternative names and named features associated with Osore-yama. A significant population lives within 30 km and could potentially be affected. The last confirmed eruption of Osore-yama occurred in 1787. Since 1787, Osore-yama volcano has had at least 1 historically…...


volcanodiscovery.com > mayon > news > 356086 > Mayon-volcano-Philippines-remains-at-Alert-Level-2-after-brief-ash-emission.html

Mayon volcano (Philippines) remains at Alert Level 2 after brief ash emission

6+ hour, 14+ min ago   (193+ words) Mayon Volcano remained under Alert Level 2, described as decreased unrest, on September 16, 2026, according to the Philippine Institute of Volcanology and Seismology. PHIVOLCS recorded 17 volcanic earthquakes and one ash-emission event lasting 46 seconds during the latest 24-hour observation period. A moderate plume…...