A series of earthquakes about a 100 miles south of Kodiak last Sunday and Monday peaked with a 6.0 moment magnitude quake at 11:13 p.m., March 29. It was the largest event in Kodiak Island region since Jan. 10, 2001, when a 6.9 struck.

The series had about 20 aftershocks, the largest being a 4.9 at 9:40 a.m., March 30. The foreshock was a 5.2 that came at 7:42 p.m. on March 29. The closest earthquake measured from Kodiak was at 11:40 p.m., a 3.36 only 39 miles south-southeast.

Of the series, seismologist Natasha Ruppert said, “It’s hard to say if it signifies any future activity, (but) it helps us to understand the tectonic structure of the region and where the larger earthquakes are located.”

Ruppert, who works at the Geophysical Institute at the University of Alaska Fairbanks, said no online submissions were sent to the institute that reported any damage. She said it was likely too far offshore to cause any significant effects to the island, nor was it strong enough to generate a tsunami.

A magnitude earthquake of 7 or higher is needed to generate a significant tsunami.