M5.1 earthquake 53 km NE of R?mhormoz, Iran
A magnitude 5.1 earthquake struck 53 km NE of R?mhormoz, Iran on Wed, Mar 27, 1985, 5:36 AM GMT+3:30 (02:06 UTC), 53 km (33 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (Mw, moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1985-03-27 02:06:42 UTC
- Depth
- 53.3 km (33.1 mi), shallow
- Epicenter
- 31.656° N, 49.955° E
- Region
- Iran
- 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 |
|---|---|---|---|
| 5.1 | Mw, moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.12 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.1 | Mwc, centroid moment | Global CMT project | Preliminary |
What happened
The USGS’s account of the effects of this earthquake.
Felt in the Izeh-Ramhormoz area. CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 10S, 18C Centroid Location: Origin Time 02:06:44.7 1.4 Lat 31.65N 0.16 Lon 50.54E 0.15 Dep 83.8 7.6 Half-duration 1.3 Moment Tensor; Scale 10**23 D-CM Mrr=-5.10 0.81 Mtt=4.63 1.33 Mff=0.47 0.80 Mrt=3.04 0.54 Mrf=-1.53 0.60 Mtf=0.49 1.46 Principal Axes: (T) Val=5.50 Plg=16 Azm=0 (N) Val=0.85 Plg=13 Azm=94 (P) Val=-6.35 Plg=69 Azm=221 Best Double Couple:Mo=5.9*10**23 NP1:Strike=72 Dip=31 Slip=-115 NP2:Strike=281 Dip=62 Slip=-76
From the USGS event page for usp0002d7y. 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.
How well it is located
Reviewed by a seismologist.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.527 km WNW of F?rs?n, Iran · 15165 days ago · 66 km deep · 86 km away
- 4.538 km NE of R?mhormoz, Iran · 15131 days ago · 33 km deep · 15 km away
Before
Earthquakes todayIran earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002d7y (also filed as gcmtb032785a, gcmt19850327020642, iscgem531098). Read Sat, Oct 3, 2026, 8:20 PM UTC.