ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA

Earthquake with magnitude of Md 2.8 on date 01-12-1985 and time 17:36:43 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude Md 2.8 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 01-12-1985 16:36:43 (UTC)
  • 01-12-1985 17:36:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.69, 6.72 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
74 Km W of Cuneo (56081 inhabitants)
84 Km W of Moncalieri (57294 inhabitants)
87 Km W 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 Md 2.8 1985-12-01
16:36:43
44.69 6.72 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 17199
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-12-01 16:36:43 ± 0.258
Latitude 44.69 ± 0.01
Longitude 6.72 ± 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 17199

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) 2199.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
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) 0.00324
Epicentral distance of station farthest from the epicenter (degree) 0.01222
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 17199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:20:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.LMR.Z. 1985-12-01T16:37:26.40 10.0 undecidable manual SN 186 0.0122 0.04 0.7
--.ORO.Z. 1985-12-01T16:37:25.50 10.0 undecidable manual SN 43 0.0116 0.84 0.2
--.LRG.Z. 1985-12-01T16:37:24.20 10.0 undecidable manual SN 191 0.0113 0.28 0.6
--.FIN.Z. 1985-12-01T16:37:21.00 10.0 undecidable manual SN 113 0.0104 -0.68 0.3
--.IMP.Z. 1985-12-01T16:37:20.20 10.0 undecidable manual SN 132 0.0102 -0.87 0.2
--.FRF.Z. 1985-12-01T16:37:19.40 10.0 undecidable manual SN 182 0.0101 -1.4 0
--.ROB.Z. 1985-12-01T16:37:14.40 10.0 undecidable manual SG 114 0.0082 -0.18 1.1
--.LPG.Z. 1985-12-01T16:37:10.40 10.0 undecidable manual SG 1 0.0072 -0.89 0.2
--.LMR.Z. 1985-12-01T16:37:09.00 10.0 undecidable manual PN 186 0.0122 0.77 0.5
--.ORO.Z. 1985-12-01T16:37:08.00 10.0 undecidable manual PN 43 0.0116 0.75 0.6
--.LRG.Z. 1985-12-01T16:37:07.20 10.0 undecidable manual PN 191 0.0113 0.38 1.3
--.FIN.Z. 1985-12-01T16:37:05.60 10.0 undecidable manual PN 113 0.0104 0.07 1.8
--.IMP.Z. 1985-12-01T16:37:05.10 10.0 undecidable manual PN 132 0.0102 -0.08 1.8
--.CKI.Z. 1985-12-01T16:37:05.20 10.0 undecidable manual PN 103 0.0103 -0.01 1.8
--.FRF.Z. 1985-12-01T16:37:04.70 10.0 undecidable manual PN 182 0.0101 -0.32 1.5
--.ROB.Z. 1985-12-01T16:37:01.60 10.0 undecidable manual PG 114 0.0082 0.17 1.9
--.LPG.Z. 1985-12-01T16:36:59.70 10.0 undecidable manual PG 1 0.0072 0.17 1.9
--.BN9.Z. 1985-12-01T16:36:56.50 10.0 undecidable manual SG 355 0.0032 -0.54 0.7
--.STV.Z. 1985-12-01T16:36:55.50 10.0 undecidable manual PG 134 0.0055 -0.53 1.2
--.DA9.Z. 1985-12-01T16:36:52.80 10.0 undecidable manual PG 116 0.0037 0.48 1.3
--.BN9.Z. 1985-12-01T16:36:51.00 10.0 undecidable manual PG 355 0.0032 -0.3 1.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download