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.
Indeed, the energy of this set of tsunamis was so great that measurable waves continued to reverberate back and forth across the Pacific for longer than a week. The speed of tsunamis can be amazing. In open ocean, they generally travel more than 500 miles (800 kilometers) per hour.