The earliest known earthquake was documented in 1769 by the Spanish explorers and Catholic missionaries of the PortolÃ¡ expedition as they traveled northward from San Diego along the Santa Ana River near the present site of Los Angeles.
ABC News reports that the average retired worker in 2014 received $1,294 per month in Social Security earnings, while the average couple received $2,111. The benefit amount varies depending on the amount paid in and the age of retirement.
1 As would be expected, retirement assets are strongly to correlated household income. 2  On average, families with retirement accounts have 2.4 times the annual income than do those without retirement assets. 3  Median income was over $86,000 for those with accounts, compared to $35,500 for those without accounts.