M5.5 earthquake 30 km WSW of Qom, Iran
A magnitude 5.5 earthquake struck 30 km WSW of Qom, Iran on Mon, Dec 22, 1980, 4:21 PM GMT+3:30 (12:51 UTC), 41 km (25 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mb), moderate
- Local time
- UTC
- 1980-12-22 12:51:21 UTC
- Depth
- 41.0 km (25.5 mi), shallow
- Epicenter
- 34.503° N, 50.590° E
- Region
- Iran
- Strongest shaking
- V, moderate shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- V, moderate shaking
- Peak ground acceleration
- 6.7% of gravity
- Peak ground velocity
- 1.5 cm/s
- Map
- Automatic
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Stations used
- 132
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayIran earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001bde (also filed as gcmt19801222125121, iscgem634375, atlas19801222125120). Read Tue, Sep 22, 2026, 5:29 AM UTC.