Overview

• At 5:34 a.m. on Sept. 21, a magnitude 3.8 quake at about 10 km depth produced intensity 3 on Suwanosejima and intensity 1 on Nakano-shima and Akusekijima.
• On Sept. 20 at 1:02 p.m., a very shallow magnitude 3.0 event also registered intensity 3 on Suwanosejima.
• Officials reported no tsunami risk from either of the recent earthquakes.
• The latest tremors follow an intensity 5- jolt on Sept. 17 as seismic activity continues in the Tokara Islands.
• Authorities caution that additional quakes are possible over the next week, potentially reaching around intensity 5- as monitoring continues.