4 ms·
What’s the significance of an earthquake’s depth?
by Pufferbo 2y ago
What’s the significance of an earthquake’s depth?
- shusaku 2y agohttps://news.ycombinator.com/item?id=39912520 https://news.ycombinator.com/item?id=39912520
- kadoban 2y agoMostly just significant in terms of distance. If it's deeper, it's farther away and you'll feel it less.
- newzisforsukas 2y agohttps://pressbooks.cuny.edu/gorokhovich/chapter/causes-of-earthquakes/#:~:text=Shallow%20earthquakes%20cause%20the%20most%20damage%20because%20the%20focus%20is%20near%20where%20people%20live.%20However%2C%20it%20is%20the%20epicenter%20of%20an%20earthquake%20that%20is%20reported%20by%20scientists%20and%20the%20media%20(figure%201) https://pressbooks.cuny.edu/gorokhovich/chapter/causes-of-ea....
- smcin 2y agoShallower earthquakes cause much more damage (on the surface), esp. if near densely populated areas; also depends greatly on how earthquake-proof structures and buildings are. Today's one was 34km deep/21 miles. 1989 SF (Loma Prieta) was magnitude 6.9, epicenter 56 mi south of SF, depth 11 miles. (Typical California earthquake focal depths are 4 to 6 miles). 1906 huge SF earthquake was magnitude 7.9, depth 5 miles. 2008 Sichuan, China earthquake (87,587 killed) was magnitude 8.0, depth 19 km. 2011 Fukushima, Japan earthquake(+ tsunami) was magnitude 9.0, depth of 18.6 mi/30km at sea.
- smcin 2y agoThis CNN article hs a list of previous Taiwan earthquakes, magnitude, location, deaths and injuries, but not depth: https://www.cnn.com/2024/04/02/asia/taiwan-earthquake-tsunami-warning-intl-hnk/index.html https://www.cnn.com/2024/04/02/asia/taiwan-earthquake-tsunam...