Three earthquakes with a magnitude larger than 2.0 struck Hawaii island within an hour this afternoon.

The seismic activity began with a magnitude 2.3 quake in Kau at 3:36 p.m., followed five minutes later by a magnitude 2.5 temblor less than a mile away, the U.S. Geological Survey said.

At 4:34 p.m., a magnitude 2.7 quake struck near Waimea, about 5 miles west-northwest of Mauna Kea’s summit and at a depth of about 13 miles, the Geological Survey said.

The first earth tremor, about 4 miles northeast of Kaena Point, originated about 2 miles below ground, while the second was centered at a shallower depth of about three-quarters of a mile.

Proceeding the series of quakes, at 3:21 p.m., was a micro earthquake of magnitude 1.8 about 3 miles south-southwest of Mauna Loa summit.

Several people reported feeling the largest quake in Waimea, according to the Geological Survey’s website.