Earthquake with magnitude of M 2.9 on date 11-01-1985 and time 01:30:43 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude M 2.9 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 11-01-1985 00:30:43 (UTC)
  • 11-01-1985 01:30:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.07, 6.87 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
66 Km SW of Cuneo (56081 inhabitants)
79 Km W of Sanremo (54807 inhabitants)
Recent and historical Seismicity
Seismic hazard
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
M 2.9 1985-01-11
44.07 6.87 10 2013-07-15
Bollettino Sismico Italiano INGV 379
Preferred location and magnitude until now.
Origin information


Field Value
Time (UTC) 1985-01-11 00:30:43 ± 0.387
Latitude 44.07 ± 0.03
Longitude 6.87 ± 0.02
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 379


Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 3420.4
Confidence level of the uncertainty (%) 68


Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 314
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.0034
Epicentral distance of station farthest from the epicenter (degree) 0.0157
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information


Field Value
Value 2.9
Num. used stations
Type of magnitude M
Reference to an origin 379
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:42:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ORO.Z. 1985-01-11T00:31:36.00 10.0 undecidable manual SN 26 0.0157 0.14 0.4
--.CKI.Z. 1985-01-11T00:31:19.50 10.0 undecidable manual SN 70 0.0096 -0.27 0.3
--.ORO.Z. 1985-01-11T00:31:14.00 10.0 undecidable manual PN 26 0.0157 0.16 0.9
--.ROB.Z. 1985-01-11T00:31:10.50 10.0 undecidable manual SG 72 0.0068 0.44 0.1
--.CKI.Z. 1985-01-11T00:31:04.50 10.0 undecidable manual PN 70 0.0096 -0.05 1.5
--.ROB.Z. 1985-01-11T00:30:59.10 10.0 undecidable manual PG 72 0.0068 0.15 2.5
--.STV.Z. 1985-01-11T00:30:57.60 10.0 undecidable manual SG 61 0.0034 -0.29 0.4
--.STV.Z. 1985-01-11T00:30:51.70 10.0 positive manual PG 61 0.0034 -0.22 1.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download