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.
An earthquake on the ocean floor in the Gulf of Alaska produces a tsunami (sometimes incorrectly called a tidal wave) that reaches Hilo, Hawaii, 4,450 km away, in a time interval of 9 h 30 min. Tsunamis have enormous wavelengths (100 to 200 km), and the propagation speed for these waves is shown below ,... show more An earthquake on the ocean floor in the Gulf of Alaska produces a tsunami (sometimes incorrectly called a tidal wave) that reaches Hilo, Hawaii, 4,450 km away, in ...