Recent DFW Earthquakes – M3.1 – 4km NE of Irving, Texas
– image courtesey of Weston Observatory
“An essential goal for us then is to encourage our teacher and student colleagues to raise their experience of science to higher levels of engagement and to encourage them to experience firsthand what it means to be a scientist.”.
In 1931, the west Texas town of Valentine experienced Texas’ “big one.” It had a magnitude of 6.4 on the Richter Scale and was strongly recorded on seismographs across the globe. Evidently, it made quite a mess of the small town, too.
It was recorded at Nacogdoches, TX — about 145 miles from the epicenter. The P-wave arrived at about 00:52:45, and the S-wave arrived at about 00:…53:10.
For more information about this seismogram, and other seismology research in Texas, see the University of Texas Institute for Geophysics —