2008 M6.6 and M6.4 Andreanof Islands Earthquakes (April)

On April 15, a M6.4 foreshock occurred, followed by a larger mainshock of M6.6 on April 16 seven hours later. More than 400 aftershocks were located in the first 5 days of the sequence. The largest aftershock of M5.0 occurred on April 18 at 20:51 UTC (12:51 pm ADT).

Last Modified: March 28, 2024