Seismic event — central Mid-Atlantic Ridge

Seismic·● resolved·Tier 2 · observational·121d active

Level5.5/ 10

Signals

MagnitudeM5.4
Other M5.0+ in 24h3

Cite this situation

Monitoring Room, "Seismic event — central Mid-Atlantic Ridge", situation page, level 5.5/10 (Monitoring Room's 0–10 severity score), as of 2026-06-21 22:04 UTC, source: USGS. https://monitoringroom.com/s/seismic-us7000sv7m

Call what happens next

Will a magnitude 6.0+ earthquake strike the Japan region between 19–25 October 2026?No calls yet — be first · as of 14:19 UTC
Will a magnitude 5.5+ earthquake strike the California region between 6–31 October 2026?No calls yet — be first · as of 14:19 UTC
Will a magnitude 6.0+ earthquake strike the Indonesia region between 6–31 October 2026?No calls yet — be first · as of 14:19 UTC

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Source · USGS

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