Earthquake with magnitude of M 3.7 on date 05-01-1985 and time 00:59:54 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude M 3.7 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 04-01-1985 23:59:54 (UTC)
  • 05-01-1985 00:59:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.34, 6.64 at 5 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
87 Km W of Torino (890529 inhabitants)
90 Km W 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 M 3.7 1985-01-04
23:59:54
45.34 6.64 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 49
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-01-04 23:59:54 ± 0.068
Latitude 45.34 ± 0.01
Longitude 6.64 ± 0.01
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 49

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) 1077.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.00882
Epicentral distance of station farthest from the epicenter (degree) 0.05359
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitude information

M:3.7

Field Value
Value 3.7
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 49
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
--.GRR.Z. 1985-01-05T00:01:23.50 10.0 undecidable manual PN 304 0.0536 0 0.9
--.FLN.Z. 1985-01-05T00:01:23.50 10.0 undecidable manual PN 308 0.0534 0.36 0.5
--.MFF.Z. 1985-01-05T00:01:09.10 10.0 undecidable manual PN 288 0.0439 0.46 0.4
--.LFF.Z. 1985-01-05T00:00:59.00 10.0 undecidable manual PN 267 0.0376 -0.06 1.1
--.RJF.Z. 1985-01-05T00:00:51.10 10.0 undecidable manual PN 272 0.0324 0.01 1.2
--.LSF.Z. 1985-01-05T00:00:51.90 10.0 undecidable manual PN 287 0.033 -0.22 1
--.TCF.Z. 1985-01-05T00:00:46.10 10.0 undecidable manual PN 289 0.0291 0.11 1.2
--.CAF.Z. 1985-01-05T00:00:46.00 10.0 undecidable manual PN 265 0.0292 -0.31 0.8
--.CDF.Z. 1985-01-05T00:00:44.10 10.0 undecidable manual PN 8 0.0278 -0.15 1.2
--.BGF.Z. 1985-01-05T00:00:41.40 10.0 undecidable manual PN 297 0.0261 -0.14 1.3
--.AVF.Z. 1985-01-05T00:00:39.20 10.0 undecidable manual PN 304 0.0243 0.43 0.5
--.SSF.Z. 1985-01-05T00:00:39.70 10.0 undecidable manual PN 310 0.0249 0.02 1.4
--.LOR.Z. 1985-01-05T00:00:38.70 10.0 undecidable manual PN 317 0.0244 -0.33 0.8
--.HAU.Z. 1985-01-05T00:00:38.70 10.0 undecidable manual PN 356 0.024 0.34 0.8
--.BSF.Z. 1985-01-05T00:00:36.20 10.0 undecidable manual PN 3 0.0224 0.3 0.9
--.LBF.Z. 1985-01-05T00:00:35.30 10.0 undecidable manual PN 313 0.0222 -0.29 0.9
--.SMF.Z. 1985-01-05T00:00:33.30 10.0 undecidable manual PN 305 0.021 -0.51 0.4
--.LMR.Z. 1985-01-05T00:00:29.40 10.0 undecidable manual PN 183 0.0181 0.21 1.1
--.GEN.Z. 1985-01-05T00:00:27.50 10.0 undecidable manual PN 119 0.0168 0.2 1.1
--.LRG.Z. 1985-01-05T00:00:27.80 10.0 undecidable manual PN 187 0.017 0.15 1.2
--.FRF.Z. 1985-01-05T00:00:26.00 10.0 undecidable manual PN 180 0.0159 -0.05 1.4
--.CKI.Z. 1985-01-05T00:00:22.30 10.0 positive manual PN 128 0.0133 0.34 1.5
--.ROB.Z. 1985-01-05T00:00:19.40 10.0 undecidable manual PN 140 0.0121 -0.85 0
--.ORO.Z. 1985-01-05T00:00:14.50 10.0 positive manual PG 73 0.0088 -0.18 2.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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