EARTHQUAKE FAQTEXAS EARTHQUAKESIsoseismal Map:
Isoseismal map for the largest known events from each of the three known centers of seismic activity in the Atascosa-Karnes-Wilson County regions: the mbLg=4.3 Fashing earthquake of 9 April 1993 (bold lines); the mbLg=3.9 Pleasanton earthquake of 3 March 1984 (dashed lines); and the mbLg=3.6 Falls City earthquake of 20 July 1991 (dashed lines). Bold Roman numerals indicate modified Mercalli intensity zones for the 1993 earthquake; lighter Roman numerals indicate modified Mercalli intensity zones for the 1984 and 1991 earthquakes. Small Arabic numerals indicate location of individual felt reports for the 1993 event; circled Arabic numerals indicate more than one felt report. Light long- and short-dashed lines designate county boundaries; light lines indicate highways. |