CES-61202y-042-earthquakes
时间:2026-01-22
时间:2026-01-22
Earthquake Seismicity
Boundaries of Global PlatesConvergent Plate Margins
Wadati-Benioff Zone
台湾东北部Kao& Rau,1999, JGR
平面内张性
平面内压性
Slab Model
Double Seismic Zones--DSZ
Fast Spreading Center
East Pacific Rise (>10 cm/yr) A large width (1400 km) Shallow (50-200 m) or no crest
Slow Spreading CenterMid-Atlantic Ridge (~13cm/yr.) Narrowly spread (200800 km) 1500-3000 m crest
Earthquakes in the Spreading Centers
Slow Spreading Centers
Fast Spreading Center
Models of Spreading Centers
Fast Spreading Center
Slow Spreading Center
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