{"podcast":{"title":"Les Matins de France Culture","slug":"les-matins-de-france-culture-1387120","podcast_index_feed_id":1387120,"rss_url":"https://radiofrance-podcast.net/podcast09/podcast_c415e197-8562-44ce-9a53-4e5846e0d855.xml","website_url":"https://www.radiofrance.fr","image_url":"https://www.radiofrance.fr/s3/cruiser-production-eu3/2026/06/dc7430c8-a00f-4f8b-a223-419128bdce07/1400x1400_sc_sc_fc-lesmatins-ete.jpg?1784542099324","author":"France Culture (podcast@radiofrance.com)","episode_count":483,"summary":"Une lecture quotidienne du monde et de la culture. Du lundi au vendredi de 7h30 à 9h. Vous aimez ce podcast ? Pour écouter tous les épisodes sans limite, rendez-vous sur Radio France","last_synced_at":"2026-07-20T12:18:56.780990+00:00","page_url":"https://stenobird.com/podcast/les-matins-de-france-culture-1387120"},"episode":{"title":"Alaska : un glissement de terrain a provoqué un mégatsunami de près de 500 mètres de haut","slug":"alaska-un-glissement-de-terrain-a-provoqu-un-m-gatsunami-de-pr-s-de-500-m-tres-de-haut","published_at":"2026-05-07T05:41:00+00:00","page_url":"https://stenobird.com/podcast/les-matins-de-france-culture-1387120/alaska-un-glissement-de-terrain-a-provoqu-un-m-gatsunami-de-pr-s-de-500-m-tres-de-haut","show_page_url":"https://stenobird.com/podcast/les-matins-de-france-culture-1387120","url":"https://www.radiofrance.fr/franceculture/podcasts/la-revue-de-presse-internationale/la-revue-de-presse-internationale-emission-du-jeudi-07-mai-2026-1645567","audio_url":"https://proxycast.radiofrance.fr/0b568f76-2cb9-46a6-b6cc-394882637fbd/10075-07.05.2026-ITEMA_24503144-2026C22811S0127-NET_MFC_1DED7452-E47B-4901-A6F7-FB9E47EE4FED-21-45bf42ae02329a90c042b90af0f07368.mp3","summary":"A massive landslide in Alaska's Tracy Arm fjord triggered a 500-meter megatsunami, the second largest ever recorded. Scientists warn that accelerating glacier melt and climate change are increasing the frequency of such catastrophic geological events.","meta_description":"Explore the science behind the 500-meter Alaska megatsunami and the growing risks of climate-driven landslides and super El Niño.","key_points":["Main idea: A rockfall equivalent to 24 pyramids created a wave taller than the Eiffel Tower","Scientific insight: The event generated seismic vibrations powerful enough to shake the entire planet for days","Practical takeaway: Cruise lines are already suspending trips to Tracy Arm due to increased landslide risks","Failure mode: Rapid glacier melting destabilizes mountain flanks, making massive landslides more probable","Global context: Rising Pacific sea temperatures are signaling the potential arrival of a super El Niño"],"chapters":[{"start_ms":0,"title":"The Alaska Megatsunami","summary":"An overview of the massive 500-meter wave triggered by glacier melt and its impact on the Tracy Arm fjord."},{"start_ms":50000,"title":"The Mechanics of the Collapse","summary":"Details on the massive rockfall from a 900-meter cliff and the sheer volume of the displacement."},{"start_ms":100000,"title":"Global Seismic Impact","summary":"How the energy from the wave caused planetary-scale vibrations, similar to recent events in Greenland."},{"start_ms":130000,"title":"Visualizing the Disaster","summary":"How researchers are using hydrodynamic video game modeling to help the public grasp the scale of the wave."},{"start_ms":180000,"title":"Climate Risks and Tourism","summary":"The direct link between human-driven climate change and the vulnerability of Alaskan cruise routes."},{"start_ms":230000,"title":"Global Climate Anomalies","summary":"Rising sea temperatures in the Pacific and the broader implications for extreme weather worldwide."},{"start_ms":300000,"title":"The Super El Niño Threat","summary":"Analyzing how recent typhoons and ocean temperature spikes signal a powerful upcoming El Niño cycle."}],"topics":["Alaska","Megatsunami","Climate Change","Glacier Melt","Geology","El Niño","Natural Disasters","Oceanography"],"duration_seconds":334,"processing_state":"processed","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/les-matins-de-france-culture-1387120/episodes/alaska-un-glissement-de-terrain-a-provoqu-un-m-gatsunami-de-pr-s-de-500-m-tres-de-haut/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/les-matins-de-france-culture-1387120/alaska-un-glissement-de-terrain-a-provoqu-un-m-gatsunami-de-pr-s-de-500-m-tres-de-haut.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}