On Tuesday night a 4.5 earthquake hit Southcentral Alaska. The earthquake was the latest of thousands of aftershocks after the big 7.0 on November 30. Seismologist says these after shocks will occur until the region returns to pre-Nov 30 levels of seismic activity.
For more info, please read the original article by Anchorage Daily News :
https://www.adn.com/alaska-news/anchorage/2019/01/23/the-aftershocks-keep-coming-48-earthquake-rumbles-through-southcentral-alaska/