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发帖数: 367 | 5 The following link provides important info.
http://en.wikipedia.org/wiki/Hayward_Fault_Zone
The 140th anniversary of the 1868 event(Hayward earthquake) was in 2008, and
the average time between the last five major events is also averaged at 140
years.
Cities affected
Some of the cities in the eastern bay shore and south bay region near this fault include Richmond, El Cerrito, Berkeley, Albany, Emeryville, Kensington, Oakland, Piedmont, San Leandro, San Lorenzo, Castro Valley, Hayward, Union City, Fremont, Newark, Milpitas, Niles, and portions of San Jose.
The following table chronologically lists all of the historic earthquakes on
the Hayward Fault Zone which have exceeded magnitude 5.5.
Year City Date Magnitude Epicenter and notes
1864 South Hayward area May 21, 1864 5.8 Epicenter
coordinates:-121.9, 37.6[4]
1868 Hayward October 21, 1868 6.8 to 7.0 Epicenter
coordinates: longitude -122.10, latitude 37.70.[5][6] This event left 30
dead, and $350,000 in property damage.
1870 Berkeley April 2, 1870 5.8 Epicenter coordinates:-122.3
, 37.9[7]
1889 Alameda County (now east Oakland area) July 31, 1889 5.6
Epicenter coordinates:-122.2, 37.8[8] |
