地震 - News Now Assistance

Maps are updated within 1-5 minutes of an earthquake or once an hour. If the application does not load try our legacy Latest Earthquakes application.

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. For new earthquakes until a magnitude is determined takes 4-5 minutes. Smaller earthquakes in southern California are added after human processing which may take several hours. Brown lines are known hazardous faults and fault zones. The USGS and its partners monitor and report earthquakes assess earthquake impacts and hazards and.

地震是地球表層或表層下的振動所造成的地面震動可由自然現象如地殼運動火山活動及隕石撞擊引起亦可由人為活動如地下核試驗造成不過歷史上主要的災害性地震都由地殼的突然運動所造成地震的影響力涵蓋岩石圈及水圈當地震發生時可能會連帶引發地表斷裂大地震動. 小區域時間為04月15日04時08地點為宜蘭縣政府南南東方338公里位於宜蘭縣近海深度143公里地震規模34 047時間為04月16日03時47地點為嘉義縣政府東北東方474公里位於嘉義縣阿里山鄉深度138公里地震規模40 047 小. The USGS Earthquake Hazards Program is part of the National Earthquake Hazards Reduction Program NEHRP established by Congress in 1977 and the USGS Advanced National Seismic System ANSS was established by Congress as a NEHRP facility.