Earthquake with magnitude of M 2.6 on date 09-02-1985 and time 08:37:13 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude M 2.6 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 09-02-1985 07:37:13 (UTC)
  • 09-02-1985 08:37:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.44, 6.8 at 15 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Argentera CN 15 83 83
Acceglio CN 16 162 245

Municipalities with at least 50000 inhabitants

An earthquake occurred to
60 Km W of Cuneo (56081 inhabitants)
94 Km SW of Moncalieri (57294 inhabitants)
99 Km SW of Torino (890529 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 1000 M 2.6 1985-02-09
07:37:13
44.44 6.8 15 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 1409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-09 07:37:13 ± 0.47
Latitude 44.44 ± 0.03
Longitude 6.80 ± 0.03
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 1409

Uncertainty

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) 3803
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 252
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00372
Epicentral distance of station farthest from the epicenter (degree) 0.02153
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

M:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 1409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:48:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CVF.Z. 1985-02-09T07:37:52.40 10.0 undecidable manual PN 140 0.0215 0.04 1.2
--.LMR.Z. 1985-02-09T07:37:50.00 10.0 undecidable manual SN 191 0.01 -0.21 0.7
--.LRG.Z. 1985-02-09T07:37:48.40 10.0 undecidable manual SN 198 0.0092 0.35 0.6
--.FIN.Z. 1985-02-09T07:37:48.60 10.0 undecidable manual SN 102 0.0092 0.57 0.4
--.IMP.Z. 1985-02-09T07:37:45.50 10.0 undecidable manual SN 123 0.0084 -0.33 0.6
--.FRF.Z. 1985-02-09T07:37:45.20 10.0 undecidable manual SG 187 0.0079 0.91 0.1
--.ROB.Z. 1985-02-09T07:37:41.80 10.0 undecidable manual SG 99 0.007 0.93 0.1
--.CK1.Z. 1985-02-09T07:37:34.50 10.0 undecidable manual PN 90 0.0095 0.56 1
--.LMR.Z. 1985-02-09T07:37:34.60 10.0 undecidable manual PN 191 0.01 -0.29 1.6
--.FIN.Z. 1985-02-09T07:37:33.80 10.0 undecidable manual PN 102 0.0092 0.17 1.9
--.LRG.Z. 1985-02-09T07:37:33.60 10.0 undecidable manual PN 198 0.0092 -0.05 2
--.FRF.Z. 1985-02-09T07:37:31.60 10.0 undecidable manual PG 187 0.0079 0.12 2
--.IMP.Z. 1985-02-09T07:37:31.60 10.0 undecidable manual PN 123 0.0084 -0.77 0.5
--.ROB.Z. 1985-02-09T07:37:29.60 10.0 undecidable manual PG 99 0.007 0.1 2
--.STV.Z. 1985-02-09T07:37:28.80 10.0 undecidable manual SG 116 0.0037 -0.67 0.3
--.STV.Z. 1985-02-09T07:37:22.20 10.0 undecidable manual PG 116 0.0037 -0.72 0.5
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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