M5.9 earthquake 262 km NE of Port Mathurin, Mauritius
A magnitude 5.9 earthquake struck 262 km NE of Port Mathurin, Mauritius on Tue, May 29, 1973, 12:27 AM GMT+4 (20:27 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.9 (Ms, surface-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1973-05-28 20:27:11 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 18.125° S, 65.293° E
- Region
- Mauritius
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.9 | Ms, surface-wave | USGS National Earthquake Information Center | Preferred · Reviewed |
| 6.17 | Mw, moment | ISC-GEM global catalog | Final · ±0.2 |
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
- Stations used
- 42
Nearby
Within 100 km, magnitude 2.9 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00001yp (also filed as iscgem760926). Read Sun, Oct 4, 2026, 6:28 PM UTC.