Last Updated
：2025/11/23
focal depth
（ plural ）
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(geology) The depth below the Earth's surface of the hypocentre of an earthquake. / (optics) The field of view of a camera that is in sharp focus.
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focal depth
The earthquake's focal depth was surprisingly shallow, causing more damage near the epicenter.
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The earthquake's focal depth was surprisingly shallow, causing more damage near the epicenter.
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