Overview

• The Japan Meteorological Agency recorded 2,271 earthquakes of intensity-1 or higher near the Tokara Islands from June 21 to August 12.
• Government Earthquake Research Committee chair Naoshi Hirata said on August 12 that seismic counts have fallen from the late-July peak but remain well above normal levels.
• The committee has eased its advisory language regarding potential shindo-6-lower shocks while maintaining vigilant observation for significant events.
• Daily tremors have dipped from early July’s highs of over 100 events per day but continue several times each day.
• Kagoshima University and partner institutes are deploying ten seafloor seismometers around Akusekijima and Kodakarajima to investigate links between the swarm and magma activity.