A 4.0 magnitude aftershock was recorded 15 minutes after the initial quake, which struck the Australian state of Victoria.
An ongoing effusive eruption has been taking place at the volcano on the Caribbean island since December, 2020.
With a third of the population now under lockdown, the subsequent drop in industry and transport appears to have led to a drop in the planet's "seismic noise."
This amounts to one earthquake hitting the region every three minutes.
A supervolcano is a large volcano that has had an eruption of magnitude 8 or more
"We're concerned that when the next earthquake occurs, there will be a lot of earthquakes."
Geology experts are keeping a close watch on the situation.
Earthquakes are essentially impossible to predict, and that's still true no matter what the headlines say.
Current earthquake warning systems can only offer people seconds to take shelter.
Scientists discover a geological structure in the Shumagin Gap similar to the one that produced the deadly Tohoku earthquake.