Grenada’s Kick ’em Jenny Submarine Volcano activity decreases

The National Disaster Management Agency (NaDMA) has reported decreased seismic activity at the Kick ’em Jenny (KeJ) Submarine Volcano, located off the northern coast of Grenada, since activity began on Wednesday, August 27, 2025.

According to NaDMA, seismic tremors decreased significantly between Thursday, August 28, and Monday, September 1. From August 31 to 1:30 a.m. today, only one tremor was recorded, measuring magnitude 1.3.

Despite the decline in tremor activity, the alert level remains at YELLOW, meaning the volcano is restless and activity may be increasing. Authorities stressed that the situation is still under close monitoring.

NaDMA reminded residents and the public to rely only on official updates and to follow guidance issued by the agency.

Kick ’em Jenny Submarine Volcano Alert Levels:

GREEN: Volcano is quiescent; activity is at or below historical levels.
YELLOW: Volcano is restless; seismic or fumarolic activity is above historical levels or unusual activity observed.
ORANGE: Highly elevated seismic or fumarolic activity; eruption possible with less than 24 hours’ notice.
RED: An eruption is in progress or may occur without further warning.

Kick ’em Jenny is the only known active submarine volcano in the Eastern Caribbean and has erupted more than a dozen times since its discovery in 1939.

NaDMA said it will continue to monitor the volcano and provide timely updates to the public.