Earthquake Ground Motion Animation February 21, 2008 Nevada

Near Wells, Nevada, USA - 21 February 2008, 14:16:04 UTC, Mw = 6.0 (GCMT)

The animation shows the vertical ground displacement in the 100-20s period range observed across the western United States by the EarthScope transportable array and generated by the 21 February, 2008 Wells, NV earthquake. Each circle represents a seismometer and the colors change to reflect variations in the signal amplitude crossing the array. The ground motion begins near the source and then expands outward like a the waves from a pebble dropped in a pond. The circular wavefornts are distorted by the simple map projection used in the animation. The inital waves travel at about 8km/s, the larger amplitude waves that follow are moving at about 2.5km/s.

Видео Earthquake Ground Motion Animation February 21, 2008 Nevada канала IRIS Earthquake Science