M5.4 earthquake 102 km S of Praya, Indonesia
A magnitude 5.4 earthquake struck 102 km S of Praya, Indonesia on Wed, Mar 15, 1978, 10:46 PM GMT+8 (14:46 UTC), 94 km (58 mi) below the surface.
A larger quake followed: M5.5 188 km SSE of Praya, 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
- 1978-03-15 14:46:23 UTC
- Depth
- 94.0 km (58.4 mi), intermediate-depth
- Epicenter
- 9.622° S, 116.411° 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 |
| 5.36 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.4 | Mwc, centroid moment | Global CMT project | Preliminary |
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
- 86
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.4 and up: 1 in the 60 days after this one and 4 in the 30 days before it.
After
Before
- 5.1142 km S of Sumbawa Besar, Indonesia · 17751 days ago · 33 km deep · 91 km away
- 4.7168 km S of Sumbawa Besar, Indonesia · 17751 days ago · 33 km deep · 95 km away
- 5.0181 km SSE of Praya, Indonesia · 17751 days ago · 39 km deep · 94 km away
- 5.6133 km SSW of Sumbawa Besar, Indonesia · 17752 days ago · 33 km deep · 77 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000tdm (also filed as gcmtb031578b, gcmt19780315144623, iscgem685023). Read Fri, Oct 2, 2026, 5:46 PM UTC.