Earthquake with magnitude of Md 2.4 on date 14-04-1985 and time 10:31:56 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude Md 2.4 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 14-04-1985 08:31:56 (UTC)
  • 14-04-1985 10:31:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4, 6.78 at 11 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 18 162 245

Municipalities with at least 50000 inhabitants

An earthquake occurred to
61 Km W of Cuneo (56081 inhabitants)
98 Km SW of Moncalieri (57294 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 Md 2.4 1985-04-14
08:31:56
44.4 6.79 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 4659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-14 08:31:56 ± 0.317
Latitude 44.40 ± 0.02
Longitude 6.79 ± 0.02
Depth (km) 11 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 4659

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) 2382.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00372
Epicentral distance of station farthest from the epicenter (degree) 0.02736
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 4659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:09:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CVF.Z. 1985-04-14T08:33:03.20 10.0 undecidable manual SN 140 0.0214 -0.03 0.5
--.SMF.Z. 1985-04-14T08:32:44.20 10.0 undecidable manual PN 318 0.0274 0.06 1
--.ORO.Z. 1985-04-14T08:32:42.00 10.0 undecidable manual SN 34 0.0134 -0.06 0.6
--.CVF.Z. 1985-04-14T08:32:35.50 10.0 undecidable manual PN 140 0.0214 0.53 0.9
--.LMR.Z. 1985-04-14T08:32:32.30 10.0 undecidable manual SN 191 0.0097 -0.27 0.7
--.CK1.Z. 1985-04-14T08:32:31.80 10.0 undecidable manual SN 88 0.0096 -0.26 0.7
--.FIN.Z. 1985-04-14T08:32:30.60 10.0 undecidable manual SN 100 0.0093 -0.76 0.4
--.IMP.Z. 1985-04-14T08:32:29.00 10.0 undecidable manual SG 121 0.0083 0.81 0.4
--.FRF.Z. 1985-04-14T08:32:24.40 10.0 undecidable manual SG 187 0.0076 -1.08 0.2
--.ORO.Z. 1985-04-14T08:32:23.00 10.0 undecidable manual PN 34 0.0134 0.25 1.5
--.ROB.Z. 1985-04-14T08:32:23.70 10.0 undecidable manual SG 97 0.007 0.26 0.7
--.CK1.Z. 1985-04-14T08:32:18.00 10.0 undecidable manual PN 88 0.0096 1.02 0.6
--.LMR.Z. 1985-04-14T08:32:17.60 10.0 undecidable manual PN 191 0.0097 0.33 1.6
--.BN9.Z. 1985-04-14T08:32:17.00 10.0 undecidable manual SG 353 0.0058 -2.21 0
--.FIN.Z. 1985-04-14T08:32:15.30 10.0 undecidable manual PN 100 0.0093 -1.27 0.3
--.IMP.Z. 1985-04-14T08:32:14.60 10.0 undecidable manual PG 121 0.0083 -0.14 1.8
--.FRF.Z. 1985-04-14T08:32:13.20 10.0 undecidable manual PG 187 0.0076 0.03 1.9
--.ROB.Z. 1985-04-14T08:32:12.00 10.0 undecidable manual PG 97 0.007 0 1.9
--.STV.Z. 1985-04-14T08:32:11.60 10.0 undecidable manual SG 111 0.0037 -0.09 1.1
--.BN9.Z. 1985-04-14T08:32:10.50 10.0 undecidable manual PG 353 0.0058 0.94 0.7
--.STV.Z. 1985-04-14T08:32:05.10 10.0 positive manual PG 111 0.0037 -0.11 3.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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