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M6.6 · 91 km SSE of Olhão, Portugal · Was That A Quake?
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Major
M
6.6
91 km SSE of Olhão, Portugal
Historical event · Sun, 15 Mar 1964 22:30:28 GMT
Peak Ground Motion
MMI 5.0
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Depth
29 km
Time (UTC)
22:30
Date
1964-03-15
Latitude
36.219°
Longitude
-7.639°
Source
USGS
View official report