Big Quake

Tonight at 1:51am we had a magnitude 6.6 quake off the east coast followed by a magnitude 5.7 aftershock four minutes later. The first one had a shake intensity of 3 in Taipei which is pretty strong. Shake intensity and magnitude are entirely different scales and systems of measurement so you can’t compare them, but it was plenty enough to get doors rattling and cups and dishes banging into each other.

Main quake:

M 6.6 87.3 km ENE of Hualien City 2007-09-07 01:51 #058 (0907015166058)
http://www.cwb.gov.tw/V5e/seismic/Data/quake/EE0907015166058.gif
http://www.cwb.gov.tw/V5e/seismic/Data/quake/EE0907015166058.txt

M 6.6 宜蘭南澳地震站東偏南方 74.6 公里 2007-09-07 01:51 #058 (0907015166058)
http://www.cwb.gov.tw/V5/seismic/Data/quake/EC0907015166058.gif
http://www.cwb.gov.tw/V5/seismic/Data/quake/EC0907015166058.txt

M 6.5, Taiwan region 2007-09-06 17:51:27 UTC Z=62km 24.3336N 122.3239E
http://earthquake.usgs.gov/eqcenter/recenteqsww/Quakes/us2007gybt.php

Aftershock:

M 5.7 94.5 km ENE of Hualien City 2007-09-07 01:55 #059 (0907015557059)
http://www.cwb.gov.tw/V5e/seismic/Data/quake/EE0907015557059.gif
http://www.cwb.gov.tw/V5e/seismic/Data/quake/EE0907015557059.txt

M 5.7 宜蘭蘇澳地震站東偏南方 81.6 公里 2007-09-07 01:55 #059 (0907015557059)
http://www.cwb.gov.tw/V5/seismic/Data/quake/EC0907015557059.gif
http://www.cwb.gov.tw/V5/seismic/Data/quake/EC0907015557059.txt

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