Mercalli intensity scale
Starting January 22, Aysén Fjord suffered a series of minor earthquakes. The greatest before April 21 reached VI ("Strong") on the Mercalli intensity scale and occurred at 3:44 p.m. on April 14. Local fishermen reported seeing steam rising from the fjord. The earthquake expanded to several zones of the country. At 6:22 a.m. (local time) on April 22, an intense earthquake was felt in Santiago, reaching II ("Weak") on the Mercalli intensity scale.