M5.5 earthquake 131 km N of Manatutu, Timor Leste
A magnitude 5.5 earthquake struck 131 km N of Manatutu, Timor Leste on Fri, Jul 13, 1984, 1:20 AM GMT+8 (17:20 UTC), 470 km (292 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (Mw, moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1984-07-12 17:20:26 UTC
- Depth
- 469.7 km (291.9 mi), deep
- Epicenter
- 7.320° S, 126.026° E
- Region
- Timor Leste
- 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 |
|---|---|---|---|
| 5.5 | Mw, moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.43 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.4 | Mwc, centroid moment | Global CMT project | Preliminary |
What happened
The USGS’s account of the effects of this earthquake.
CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 12S, 21C Centroid Location: Origin Time 17:20:28.8 0.5 Lat 7.20S 0.04 Lon 125.80E 0.08 Dep 448.5 3.6 Half-duration 1.9 Moment Tensor; Scale 10**24 D-CM Mrr=-0.40 0.07 Mtt=-0.40 0.10 Mff=0.80 0.14 Mrt=0.69 0.10 Mrf=1.35 0.09 Mtf=-0.47 0.08 Principal Axes: (T) Val=1.68 Plg=33 Azm=269 (N) Val=0.10 Plg=26 Azm=18 (P) Val=-1.78 Plg=46 Azm=138 Best Double Couple:Mo=1.7*10**24 NP1:Strike=305 Dip=27 Slip=-164 NP2:Strike=201 Dip=83 Slip=-64
From the USGS event page for usp00025q8. U.S. Geological Survey text and figures are in the public domain.
Did you feel it?
No one has reported feeling this quake to the USGS.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayTimor Leste earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00025q8 (also filed as gcmtb071284b, gcmt19840712172027, iscgem548870). Read Fri, Oct 2, 2026, 12:53 AM UTC.