6.6mw

91 km SSE of Olhão, Portugal

15.03.1964 22:30 UTC Depth 28.5 km
Sensitivity zones: strong — up to 36.5 km moderate — up to 91.3 km weak — up to 203 km

Sensitivity zones

Approximate radii, derived from magnitude and hypocentre depth, within which shaking is typically felt:

  • strong — up to 36.5 km
  • moderate — up to 91.3 km
  • weak — up to 203 km

"I felt it" reports

No reports yet. Did you feel this one? Be the first to tell!

Earthquakes nearby