Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.1 on date 13-11-1990 and time 18:48:30 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude Md 2.1 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 13-11-1990 17:48:30 (UTC)
  • 13-11-1990 18:48:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.7760, 6.8060 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Claviere TO 19 214 214
Sauze di Cesana TO 19 244 458
Cesana Torinese TO 20 967 1425

Municipalities with at least 50000 inhabitants

An earthquake occurred to
73 Km NW of Cuneo (56081 inhabitants)
74 Km W of Moncalieri (57294 inhabitants)
77 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
Bulletin
Rev1000 		Md 2.1
M 2.3 		1990-11-13
17:48:30		 44.776 6.806 10 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 130419
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-11-13 17:48:30 ± 0.343
Latitude 44.7760 ± 0.0112
Longitude 6.8060 ± 0.0281
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 130419

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) 2542.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
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) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.01303
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 130419
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:01:19

M:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 130419
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:42:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.LMR.Z. 1990-11-13T17:49:15.20 10.0 undecidable manual SN 188 1.443 0.04 0.5
--.LRG.Z. 1990-11-13T17:49:13.20 10.0 undecidable manual SN 193 1.3542 0.37 0.6
--.FRF.Z. 1990-11-13T17:49:08.20 10.0 undecidable manual SN 185 1.2099 -1.33 0
--.SBF.Z. 1990-11-13T17:49:04.40 10.0 undecidable manual SG 153 1.0101 -0.2 0.6
--.LMR.Z. 1990-11-13T17:48:57.60 10.0 undecidable manual PN 188 1.443 1.51 0.2
--.LRG.Z. 1990-11-13T17:48:56.20 10.0 undecidable manual PN 193 1.3542 1.46 0.3
--.PCP.Z. 1990-11-13T17:48:53.74 10.0 undecidable manual PN 100 1.2543 0.38 1.2
--.FRF.Z. 1990-11-13T17:48:52.30 10.0 undecidable manual PN 185 1.2099 -0.54 0.8
--.ORX.Z. 1990-11-13T17:48:52.70 10.0 undecidable manual PN 43 1.1877 0.27 1.4
--.FIN.Z. 1990-11-13T17:48:51.28 10.0 undecidable manual PN 119 1.1433 -0.59 1.1
--.SBF.Z. 1990-11-13T17:48:50.00 10.0 undecidable manual PG 153 1.0101 0.01 1.6
--.ROB.Z. 1990-11-13T17:48:48.32 10.0 undecidable manual PG 121 0.888 0.59 1.2
--.LSD.Z. 1990-11-13T17:48:44.32 10.0 undecidable manual PG 19 0.7215 -0.25 1.6
--.ENR.Z. 1990-11-13T17:48:43.18 10.0 undecidable manual PG 141 0.6993 -0.97 0.6
--.STV.Z. 1990-11-13T17:48:42.68 10.0 undecidable manual PG 144 0.6327 -0.38 1.4
--.RSP.Z. 1990-11-13T17:48:40.72 10.0 undecidable manual PG 40 0.4884 0.45 1.4
--.BNI.Z. 1990-11-13T17:48:40.75 10.0 undecidable manual SG 341 0.2886 -0.53 0.4
--.PZZ.Z. 1990-11-13T17:48:37.12 10.0 undecidable manual PG 142 0.3441 -0.37 1.5
--.BHB.Z. 1990-11-13T17:48:37.44 10.0 undecidable manual PG 79 0.3219 0.2 1.7
--.BNI.Z. 1990-11-13T17:48:36.28 10.0 undecidable manual PG 341 0.2886 -0.24 1.5
--.RRL.Z. 1990-11-13T17:48:33.54 10.0 undecidable manual PG 353 0.1443 -0.28 1.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download