HONOLULU (AP) — Geologists on Tuesday said they had detected a swarm of earthquakes at Hawaii’s Kilauea volcano, though it is not erupting.
The quakes began overnight and continued into the morning, The Hawaiian Volcano Observatory said.
More than 140 earthquakes were recorded as of 4:30 a.m. The largest was magnitude 3.3. Most were less than magnitude 1.
At the same time as the swarm, scientists recorded changes to the ground surface of the volcano. That may indicate magma was moving beneath the south part of Kilauea’s caldera, the observatory said. There’s been no evidence of lava at the surface.