M5.4 earthquake 143 km S of Tondano, Indonesia
A magnitude 5.4 earthquake struck 143 km S of Tondano, Indonesia on Tue, Jul 24, 1973, 8:57 PM GMT+8 (12:57 UTC), 46 km (29 mi) below the surface.
A larger quake followed: M5.7 114 km SSE of Tondano, Indonesia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1973-07-24 12:57:47 UTC
- Depth
- 46.0 km (28.6 mi), shallow
- Epicenter
- 0.011° N, 124.906° E
- Region
- Indonesia
- 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 |
|---|---|---|---|
| 5.4 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.3 | Mw, moment | ISCGEMSUP | Final · ±0.54 |
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
- CONSTRAINED_BY_DEPTH_PHASES
- Stations used
- 76
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.4 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.7114 km SSE of Tondano, Indonesia · 19413 days ago · 40 km deep · 53 km away
- 5.4162 km S of Tondano, Indonesia · 19396 days ago · 85 km deep · 25 km away
- 5.3127 km ESE of Gorontalo, Indonesia · 19378 days ago · 159 km deep · 95 km away
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00002ud (also filed as iscgem758660, iscgemsup758660). Read Sat, Oct 3, 2026, 3:35 AM UTC.