Earthquake with magnitude of M 3.1 on date 10-02-1985 and time 22:59:39 (Italy) in region Near south coast of France [Land: France]

A magnitude M 3.1 earthquake occured in region: Near south coast of France [Land: France], on

  • 10-02-1985 21:59:39 (UTC)
  • 10-02-1985 22:59:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.98, 6.18 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

No Italian municipalities within 100 km from the epicenter with at least 50000 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 3.1 1985-02-10
21:59:39
43.98 6.18 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 1469
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-10 21:59:39 ± 0.268
Latitude 43.98 ± 0.01
Longitude 6.18 ± 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 1469

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) 1995.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
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) 0.00478
Epicentral distance of station farthest from the epicenter (degree) 0.03133
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

M:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 1469
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
--.BGF.Z. 1985-02-10T22:01:13.60 10.0 undecidable manual SN 319 0.0313 0.67 0.3
--.CAF.Z. 1985-02-10T22:01:02.40 10.0 undecidable manual SN 289 0.0277 -0.99 0.2
--.SMF.Z. 1985-02-10T22:01:02.80 10.0 undecidable manual SN 329 0.0282 -1.75 0
--.CVF.Z. 1985-02-10T22:00:46.80 10.0 undecidable manual SN 125 0.0217 -0.75 0.4
--.BGF.Z. 1985-02-10T22:00:33.60 10.0 undecidable manual PN 319 0.0313 0.06 1.4
--.SMF.Z. 1985-02-10T22:00:28.40 10.0 undecidable manual PN 329 0.0282 -0.3 1.3
--.CAF.Z. 1985-02-10T22:00:28.20 10.0 undecidable manual PN 289 0.0277 0.18 1.4
--.FIN.Z. 1985-02-10T22:00:25.00 10.0 undecidable manual SN 80 0.0133 -0.27 0.8
--.GAI.Z. 1985-02-10T22:00:22.70 10.0 undecidable manual SN 38 0.0121 0.39 0.7
--.ROB.Z. 1985-02-10T22:00:20.20 10.0 undecidable manual SN 74 0.0113 0.1 0.9
--.IMP.Z. 1985-02-10T22:00:19.30 10.0 undecidable manual SN 92 0.0111 -0.27 0.8
--.CVF.Z. 1985-02-10T22:00:18.60 10.0 undecidable manual PN 125 0.0217 -0.28 1.6
--.ORO.Z. 1985-02-10T22:00:14.50 10.0 undecidable manual PN 37 0.0188 0.11 1.9
--.ENR.Z. 1985-02-10T22:00:10.00 10.0 undecidable manual SG 74 0.0083 -1.39 0.1
--.STV.Z. 1985-02-10T22:00:09.50 10.0 undecidable manual SG 71 0.0079 -0.13 0.8
--.FIN.Z. 1985-02-10T22:00:07.50 10.0 undecidable manual PN 80 0.0133 1.48 0.2
--.GAI.Z. 1985-02-10T22:00:04.60 10.0 undecidable manual PN 38 0.0121 0.29 2
--.LMR.Z. 1985-02-10T22:00:04.00 10.0 undecidable manual SG 159 0.0062 0.3 0.8
--.IMP.Z. 1985-02-10T22:00:03.60 10.0 undecidable manual PN 92 0.0111 0.88 0.9
--.ROB.Z. 1985-02-10T22:00:03.90 10.0 undecidable manual PN 74 0.0113 0.87 0.9
--.FRF.Z. 1985-02-10T21:59:58.00 10.0 undecidable manual SG 140 0.0048 -0.95 0.3
--.LRG.Z. 1985-02-10T21:59:58.80 10.0 undecidable manual SG 165 0.0049 -0.17 0.8
--.ENR.Z. 1985-02-10T21:59:57.10 10.0 undecidable manual PG 74 0.0083 -0.91 0.9
--.STV.Z. 1985-02-10T21:59:56.40 10.0 undecidable manual PG 71 0.0079 -0.59 1.5
--.LMR.Z. 1985-02-10T21:59:53.20 10.0 undecidable manual PG 159 0.0062 -0.36 1.9
--.LRG.Z. 1985-02-10T21:59:51.00 10.0 undecidable manual PG 165 0.0049 0.16 2.1
--.FRF.Z. 1985-02-10T21:59:50.80 10.0 undecidable manual PG 140 0.0048 -0.02 2.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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