Their database was the vocabulary of 87 Indo-European languages. Atkinson and Gray looked at what linguists call cognates: words that are so similar in form and meaning, and so systematic in sound correspondences, that they must have a common origin.n the first place, if the Europeans, on the one hand, and the Indo-Iranians, on the other, had once lived together as agriculturists in Anatolia, they ought to have a common vocabulary for agricultural items, which unfortunately is not the case.
1994 Northridge earthquake. The 1994 Northridge earthquake occurred on January 17, at 4:30:55 a.m. PST and had its epicenter in Reseda, a neighborhood in the north-central San Fernando Valley region of Los Angeles, California. It had a duration of approximately 10â20 seconds.
The earthquake was the result of thrust faulting at the Sunda Trench. A rupture length of approximately 200 kilometers (120 mi) (and an unusually low rupture velocity of 1â1.5 km (0.62â0.93 mi) per second) resulted in a duration of about 185 seconds (just over three minutes) for the event.