November 23, 1977 (, Dimba October 13), the strong earthquake in western Argentina. At 0600 on

1977 11 23 28 (local time), western Argentina near the Chilean border region a strong earthquake. The U.S. Geological Survey measured the Richter scale of earthquake magnitude table 7.4. (Lssdjt.cn)
epicenter was near the city of San Juan in Argentina. The most serious damage to this region of the test by Seth town, about half of the houses collapsed. Argentine government to preliminary statistics of the earthquake, killing at least 50 people were killed and hundreds injured. The earthquake mainly affected Chile also spread to Uruguay and Brazil and other countries. After the earthquake, the Argentine government imposed a curfew in the town of examination Seth and flew emergency shipment of medical supplies, rescue disaster area.