2 aftershocks in an hour jolt Anchorage area

Two aftershocks from Alaska’s Nov. 30 earthquake jolted Southcentral residents Sunday evening. A 3.6 magnitude aftershock at 5:28 p.m. was followed by a 4.0 shake just an hour later.

According to the Alaska Earthquake Center, the first of the two aftershocks was centered 15 miles north of Joint Base Elmendorf-Richardson and occurred at a depth of 18.5 miles. The 4.0 quake struck 11 miles northwest of Anchorage at 6:28 p.m. at a depth of 12.3 miles.

“This has been an eventful hour,” wrote officials with the Alaska Earthquake Center on their Twitter feed. In addition to the two aftershocks felt in Southcentral, the agency reported a 6.1 quake at 5:35 p.m. - 650 miles to the Southwest. The quake was 61 miles southeast of King Cove and felt from King Cove to Unalaska.

[Related story: Over 6,100 aftershocks: Why are different quake magnitudes reported, and when do these stop being aftershocks?]