noun
shallow earthquake; shallow-focus earthquake
Seismological term for an earthquake whose focus is relatively close to the surface, typically less than 70 km deep. Often contrasted with 深発地震 (deep-focus earthquake).
See also: 深発地震
浅発地震は深発地震に比べて被害が大きくなりやすい。
Shallow earthquakes tend to cause more damage compared to deep-focus earthquakes.
深発地震 refers to a deep-focus earthquake (typically deeper than 70 km), while 浅発地震 is a shallow-focus earthquake.
Compound of 浅 (shallow) + 発 (occurrence) + 地震 (earthquake). The term is a technical coinage in seismology.