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M7.7 earthquake South Indian Ocean

A magnitude 7.7 earthquake struck in the South Indian Ocean on Sat, Mar 10, 1928, 12:05 AM GMT+6 (18:05 UTC), 15 km (9 mi) below the surface.

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The earthquake

Magnitude
7.7 (Mw, moment), major
Magnitude from
ISC-GEM global catalog
Local time
UTC
1928-03-09 18:05:30 UTC
Depth
15.0 km (9.3 mi), shallow
Epicenter
2.347° S, 88.463° E
Tsunami flag
No
Status
Reviewed by a seismologist

Deaths and damage

From NOAA NCEI’s Significant Earthquake Database (record 3346), matched to this event by time and place.

NOAA’s record of this earthquake gives no deaths, injuries or damage.

NOAA’s full record of this earthquake

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Magnitude uncertainty
±0.30
Depth from
From location

Nearby

Within 100 km, magnitude 4.7 and up: 1 in the 60 days after this one and 0 in the 30 days before it.

After

Earthquakes todayLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem908528. Read Sat, Oct 3, 2026, 7:01 PM UTC.