Planet Briefing

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M 4.9 earthquake - northern Mid-Atlantic Ridge

USGS reports a magnitude 4.9 earthquake at 30.1619, -42.1489 with a depth of 10 km (reported 2026-09-17T19:19:06.799Z).

Categories: severe-weather-and-natural-disasters

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence
9/10
Geographic reach
2/10
Global importance
2/10
Impact magnitude
4/10
Positivity
2/10
Urgency
3/10

Why it matters

This records seismic activity on the northern Mid‑Atlantic Ridge; useful for monitoring tectonic activity and for scientific/nautical awareness of undersea seismic events. The provided details (magnitude, depth, coordinates, timestamp) enable further analysis and situational tracking.

Sources

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