Calexico earthquake Ml 3.3
Posted by Lowell on February 21, 2002 at 10:43:11:

An earthquake of Ml 3.3 occurred several minutes ago in the Calexico region of
California. The preliminary parameters of this events are:
MAP 3.2 2002/02/21 10:27:24 32.535N 115.757W 0.0 29 km (18 mi) WSW of Calexico, CA

The earthquake appears to have been triggered by an M-class solar flare which maximized at
10:22-10:27 PST (18:27 UT).

For further information on this flare see the link below.