Have earthquakes occurred in San Antonio in historic times?
No. However, since 1973 a number of earthquakes have occurred near the cities of Fashing and Pleasanton about 50 km southeast of San Antonio. The largest of these had a magnitude of 4.3 and occurred on 9 April 1993 in Fashing. Of course, San Antonio residents in tall building may occasionally feel effects of very distant earthquakes in Mexico or west Texas. Figure 2, an isoseismal map of the cities of Fashing and Pleasanton. Q: Have earthquakes occurred in Corpus Christi in historic times? A: On 24 March an earthquake with magnitude 3.8 shook Alice, Texas, a community situated about 60 km west of Corpus Christi. This is the only known earthquake in this local area in historic times. Although the Corpus Christi Caller Times reported that this quake was felt in Corpus Christi, interviews by a team of UT students determined that this was erroneous; apparently reporters were confused by reports of people “near” Corpus (but actually in Alice) feeling the quake. A felt report study determine
