Earthquake LogM6.6 earthquake, South Atlantic Ocean, 1993-09-27
MagnitudeM6.6mw
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Depth33 km
Time (UTC)1993-09-27 13:37
Rank in 199338 / 148among M6+
Rank since 19003558 / 14,458
Energy vs an M6×8approx.
South Atlantic Ocean · -53.65, -51.62
M6.5+ within 300 km (largest first)
M7.0
M6.6
Earlier M6+ within 300 km
| Event | Time (UTC) | Depth | Place |
|---|---|---|---|
| M6.4 1952-06-19 | 1952-06-19 21:05 | 15 km | South Atlantic Ocean |
| M6.5 1928-10-17 | 1928-10-17 15:19 | 10 km | Falkland Islands region |
Energy ratio uses the rule that one magnitude unit is about 32 times the energy. Magnitudes and locations are USGS values and can differ from national agencies. Older records are less complete and less precise.