M5.6 earthquake 17 km N of Tipasa, Algeria
A magnitude 5.6 earthquake struck 17 km N of Tipasa, Algeria on Sun, Oct 29, 1989, 8:21 PM GMT+1 (19:21 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.6 (Ms, surface-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1989-10-29 19:21:52 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 36.745° N, 2.443° E
- Region
- Algeria
- Strongest shaking
- VI, strong shaking
- 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 |
|---|---|---|---|
| 5.6 | Ms, surface-wave | USGS National Earthquake Information Center | Preferred · Reviewed · 3 stations |
| 5.24 | Mw, moment | ISC-GEM global catalog | Final · ±0.3 |
What happened
The USGS’s account of the effects of this earthquake.
Additional casualties and damage in the Cherchell-Tifaza area.
From the USGS event page for usp00041ek. U.S. Geological Survey text and figures are in the public domain.
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VI, strong shaking
- Peak ground acceleration
- 12.2% of gravity
- Peak ground velocity
- 2.2 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.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.6 and up: 8 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.17 km ENE of Hadjout, Algeria · 13487 days ago · 10 km deep · 24 km away
- 3.826 km N of Tipasa, Algeria · 13486 days ago · 10 km deep · 9 km away
- 3.96 km N of Tipasa, Algeria · 13485 days ago · 10 km deep · 11 km away
- 3.69 km NNW of El Affroun, Algeria · 13484 days ago · 10 km deep · 25 km away
- 4.16 km ENE of Hadjout, Algeria · 13484 days ago · 10 km deep · 24 km away
- 4.516 km NNW of Tipasa, Algeria · 13480 days ago · 10 km deep · 6 km away
- 4.617 km NNW of Tipasa, Algeria · 13480 days ago · 10 km deep · 4 km away
- 4.410 km ESE of Tipasa, Algeria · 13462 days ago · 10 km deep · 22 km away
Before
Earthquakes todayAlgeria earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00041ek (also filed as atlas19891029192155, iscgem391124). Read Fri, Oct 2, 2026, 7:20 AM UTC.