During 2025, 68 volcanoes erupted, 129.75 square kilometers were incinerated by pyroclastic flows or lava flows, and once in a generation tourist viewing friendly eruptions occurred in Hawaii. This video discusses the most noteworthy stories on volcanoes of 2025 and also mentions the largest explosive and largest effusive volcanic eruptions of 2025. Thumbnail Photo Credit: Frame grab from a video by Shakhy Puka (OXel), Posted on Facebook, https://www.facebook.com/reel/3223006811201540, Used with Permission A special thanks to the Extreme Pursuit YouTube channel for granting me permission to use clips uploaded to his channel! Video Sources from the Extreme Pursuit YouTube channel: [1] https://www.youtube.com/watch?v=NfRDSx8ziQg Subscribe to Extreme Pursuit at: https://www.youtube.com/@ExtremePursuit A special thanks to afarTV for granting me permission to use two of their video clips! They are linked below: [1] https://www.youtube.com/watch?v=T02pJdKARLo [2] https://www.youtube.com/watch?v=fureyDs20Bc [3] https://www.youtube.com/watch?v=Aj0W9-i4RU0 [4] https://www.youtube.com/watch?v=AM_pkqjbZ0Q YouTube Creative Commons Video Sources, all of these clip fall under a CC BY 3.0 license: [1] INGVvulcani, https://www.youtube.com/watch?v=kaMRnN0n1hU NASA EOSDIS Worldview satellite imagery Copyright © 2012-2025 United States Government as represented by the Administrator of the National Aeronautics and Space Administration. All Rights Reserved. Associated license for NASA EOSDIS Worldview: https://github.com/nasa-gibs/worldview/blob/main/LICENSE.md We acknowledge the use of imagery provided by services from NASA's Global Imagery Browse Services (GIBS), part of NASA's Earth Observing System Data and Information System (EOSDIS). We acknowledge the use of imagery from the NASA Worldview application (https://worldview.earthdata.nasa.gov/), part of the NASA Earth Observing System Data and Information System (EOSDIS). Google Earth imagery used in this video: ©Google & Data Providers Various licenses used in sections of this video (not the entire video, this video as a whole does not completely fall under one of these licenses) and/or in this video's thumbnail image (and this list does not include every license used in this video and/or thumbnail image): Public Domain: https://creativecommons.org/publicdomain/mark/1.0/ CC BY 3.0: https://creativecommons.org/licenses/by/3.0/legalcode CC BY 3.0 NZ: https://creativecommons.org/licenses/by/3.0/nz/legalcode CC BY 4.0: https://creativecommons.org/licenses/by/4.0/legalcode Sources/Citations: [1] Isken, M.P., Karstens, J., Nomikou, P. et al. Volcanic crisis reveals coupled magma system at Santorini and Kolumbo. Nature 645, 939–945 (2025). https://doi.org/10.1038/s41586-025-09525-7, CC BY 4.0. [2] Pinegina, T.K., Ozerov, A.Y., Tsvetkov, V.A. et al. Tsunami from the Mw 8.8 Kamchatka Earthquake of 29 July 2025 on the East Coast of Kamchatka and the North Kuril Islands. Pure Appl. Geophys. (2025). https://doi.org/10.1007/s00024-025-03873-1 [3] VEIs, dates/years, composition, tephra layer name, DRE estimates, and bulk tephra volume estimates for volcanic eruptions shown in this video which were assigned a VEI 4 or larger are sourced from the LaMEVE database (British Geological Survey © UKRI), https://www2.bgs.ac.uk/vogripa/view/controller.cfc?method=lameve, Used with Permission [4] Sernageomin [5] U.S. Geological Survey [6] Hawaiian Volcano Observatory [7] Phivolcs [8] Vanuatu Meteorology & Geo-Hazards Department [9] Alaska Volcano Observatory [10] Rabaul Volcano Observatory [11] Japanese Meteorological Agency [12] Vedur.is / Iceland Met Office [13] PVMBG (Indonesia) (Pusat Vulkanologi dan Mitigasi Bencana Geologi) (Indonesia) [14] Tonga Geological Services [15] Observatorio Vulcanológico y Sismológico de Costa Rica (OVSICORI) [16] Servicio Geológico Colombiano [17] Geonet (New Zealand) [18] CIVISA (Azores) [19] Lin Way, Juliet Biggs, Weiyu Zheng et al. Real-time Satellite Monitoring of the 2024-2025 dyke intrusion sequence at Fentale-Dofen Volcanoes, Ethiopia, 07 July 2025, PREPRINT (Version 1) available at Research Square [https://doi.org/10.21203/rs.3.rs-7021770/v1], CC BY 4.0. [20] NASA Worldview, EOSDIS Worldview, (Satellite imagery: Terra / MODIS, Aqua / MODIS, NOAA-20 / VIIRS, NOAA-21 / VIIRS), (Thermal signatures: Terra / MODIS, NOAA-20 / VIIRS, Aqua / MODIS), at https://worldview.earthdata.nasa.gov/ [21] INGV / INGVvulcani (Italy) [22] YouTube Creative Commons, "Etna, 12 febbraio 2025. Colata di lava e attività esplosiva al Cratere di Sud-Est", by INGVvulcani, https://www.youtube.com/watch?v=kaMRnN0n1hU, CC BY 3.0 license. 0:00 2025's Biggest Volcano Stories 1:20 Largest Explosive Eruptions 1:39 Largest Effusive Eruptions 2:19 Tallest Eruption Plumes 2:30 Fentale Intrusion 3:45 Santorini Magma Intrusion 4:19 Kilauea Lava Fountains 5:10 Lewotobi Eruptions 5:35 Reykjanes Eruptions 5:56 Krasheninnikov 6:50 Erta Ale & Hayli Gubbi 7:52 Semeru