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1964 Quake: The Great Alaska Earthquake

Автор: USGS

Загружено: 2014-02-27

Просмотров: 2022065

Описание:

The video highlights the impacts and effects of Amerca's largest recorded earthquake — the 1964 M9.2 Great Alaska Earthquake.

🕙 VIDEO CHAPTERS 🕙
00:00 Introduction - The 1964 9.2 M earthquake
01:05 What did the earthquake teach us?
02:09 What caused the quake — plate tectonics
03:06 What is a megathrust earthquake?
04:13 How often to megathrust quakes happen?
05:30 The deadly tsunamis
07:22 Identifying future tsunami possibilities
08:33 The damage from the Great Alaska Earthquake
09:16 What’s been done since to improve our knowledge?
11:13 Closing

The video features USGS geologist George Plafker, who, in the 1960's, correctly interpreted the quake as a subduction zone event. This was a great leap forward in resolving key mechanisms of the developing theory of plate tectonics. Landslide impacts and the extreme tsunami threat posed by these quakes are also discussed. Loss of life and destruction from the earthquake and accompanying tsunamis was the impetus for things like the NOAA Tsunami Warning Centers and the USGS Earthquake Hazards Program.

🔔 SUBSCRIBE to ‪@usgs‬ for more science content 🔔

🚶‍➡️ The 1964 Great Alaska Earthquake Walking Tour 🚶
https://www.usgs.gov/centers/alaska-s...

📸 Photographic Tour of the 1964 Great Alaska Earthquake 📸
https://www.usgs.gov/publications/196...

🔎 More resources about the 1964 Great Alaska Earthquake 🔍
https://www.usgs.gov/search?keywords=...

⬇️ USGS Video ⬇️
https://www.usgs.gov/media/videos/196...

📊 Watch ‪@USGSPresentations‬ for presentations.

🔨 Watch ‪@USGSTrainings‬ for training/how-to related content.

1964 Quake: The Great Alaska Earthquake

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