| focal depth |
The depth from the earth's surface to the focus of an earthquake. Earthquakes with focal depths under 70km are termed "shallow." Intermediate depth events range from 70 to 300km, and deep events are from 300 to 700km deep.
출처: rockyweb.cr.usgs.gov/outreach/quakegis/glossary.ht...
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| focal depth |
A term that refers to the depth of an earthquake hypocenter.
출처: www.sciencemaster.com/physical/item/earthquake_glo...
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