Chlamydia is one of the most common STDs, particularly among college-aged men and women. Fortunately, unlike in the old days, it's now quite easy and painless to get tested and treated for a chlamydia infection. In recent years, tests have been developed that can detect chlamydia and be completed in just a few hours.
Seismograms A, B, C, and D. show, in Greenwich time, the arrival times of the. earthquake waves at the four stations. The P-wave generated by this earthquake took 2 minutes. and 40 seconds to reach one of the seismic stations.
Tour of the Rupture. Earthquake ruptures travel at phenomenal speeds. Seismologists have estimated the average speed of the 1906 rupture along the San Andreas Fault to the north of the epicenter to be 8,300 mi/hour (3.7 km/sec), and 6,300 mi/hour (2.8 km/sec) to the south.y comparison, the 1989 Loma Prieta earthquake had a rupture length of only 25 miles. The San Andreas fault today has locked and creeping segments along its approximately 800 mile (1300 km) length in California.