Earlier today, a major M7.7 earthquake struck at shallow depths in Indonesia. This caused the ground to shake for 52 seconds, causing some buildings to partially or fully collapse and generating a tsunami which caused damage. This tsunami was thankfully much smaller than the 1992 tsunami in Flores, but still peaked at about 2 meters in height. Today's video will discuss the August 15th 2026 earthquake, the tsunami it generated, and why the earthquake occurred in an unusual geologic setting. Thumbnail Photo Credit: Google Earth, Image Landsat / Copernicus, Data SIO, NOAA, U.S. Navy, NGA, GEBCO. This image was overlaid with text, and then overlaid with GeologyHub made graphics (the image border & the GeologyHub logo). A special thanks to the EarthquakeSim YouTube channel for granting me permission to use clips of his footage! Video Sources from the EarthquakeSim YouTube channel: [1] https://www.youtube.com/watch?v=nQZvfi7778M Subscribe to EarthquakeSim at: https://www.youtube.com/@EarthquakeSim If you would like to support this channel, consider using one of the following links: (Patreon: http://patreon.com/geologyhub) (YouTube membership: https://www.youtube.com/channel/UCYeGh5VML5XPr5jYnzh3J6g/join) (Gemstone & Mineral Etsy store: http://prospectingarizona.etsy.com) (GeologyHub Merch Etsy store: http://geologyhub.etsy.com) Google Earth imagery used in this video: ©Google & Data Providers This video is protected under "fair use". If you see an image and/or video which is your own in this video, and/or think my discussion of a scientific paper (and/or discussion/mentioning of the data/information within a scientific paper) does not fall under the fair use doctrine, and wish for it to be censored or removed, contact me by email at [email protected] and I will make the necessary changes. 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 4.0: https://creativecommons.org/licenses/by/4.0/legalcode Sources/Citations: [1] U.S. Geological Survey [2] Supendi, Pepen & Widiyantoro, Sri & Abdullah, C. & Rawlinson, N. & Cummins, Phil & Harris, C. & Roosmawati, Nova & Miller, Meghan. (2020). Fate of Forearc Lithosphere at Arc‐Continent Collision Zones: Evidence From Local Earthquake Tomography of the Sunda‐Banda Arc Transition, Indonesia. Geophysical Research Letters. 47. e2019GL086472. 10.1029/2019GL086472. CC BY 4.0. [3] Kawata, Y. et al. (1995). Response of Residents at the Moment of Tsunamis-The 1992 Flores Island Earthquake Tsunami, Indonesia-. In: Tsuchiya, Y., Shuto, N. (eds) Tsunami: Progress in Prediction, Disaster Prevention and Warning. Advances in Natural and Technological Hazards Research, vol 4. Springer, Dordrecht. https://doi.org/10.1007/978-94-015-8565-1_12 [4] UNESCO, https://legacy.itic.ioc-unesco.org/legacy.itic.ioc-unesco.org/indexecb6.html?option=com_content&view=article&id=1101&Itemid=3127 0:00 M7.7 Earthquake Strikes Indonesia 1:53 Damage Estimates 2:10 Geologic Setting 3:48 Some Disagreements 4:45 Volcano Discussion & Aftershocks