Earthquake with magnitude of Md 2.2 on date 27-10-1990 and time 13:22:18 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude Md 2.2 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 27-10-1990 12:22:18 (UTC)
  • 27-10-1990 13:22:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.3540, 6.6260 at 6 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
88 Km W of Torino (890529 inhabitants)
92 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
Bulletin
Rev1000
Md 2.2
M 2.5
1990-10-27
12:22:18
45.354 6.626 6 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 129489
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-10-27 12:22:18 ± 0.279
Latitude 45.3540 ± 0.0097
Longitude 6.6260 ± 0.0270
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 129489

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) 2372.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 211
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.01133
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 129489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:00:23

M:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 129489
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(km) Takeoff_angle Residual Weight
--.ORX.Z. 1990-10-27T12:22:51.43 10.0 undecidable manual SG 73 0.9879 -1.25 0
--.PZZ.Z. 1990-10-27T12:22:49.27 10.0 undecidable manual SG 158 0.9102 -0.93 0.1
--.ENR.Z. 1990-10-27T12:22:42.59 10.0 undecidable manual PN 153 1.2543 0.39 0.9
--.STV.Z. 1990-10-27T12:22:41.85 10.0 undecidable manual PN 155 1.1988 0.34 1
--.ORX.Z. 1990-10-27T12:22:38.00 10.0 undecidable manual PG 73 0.9879 -0.13 1.5
--.RSP.Z. 1990-10-27T12:22:37.58 10.0 undecidable manual SG 114 0.4884 1.01 0
--.PZZ.Z. 1990-10-27T12:22:36.75 10.0 undecidable manual PG 158 0.9102 0.05 1.6
--.RRL.Z. 1990-10-27T12:22:35.22 10.0 undecidable manual SG 165 0.444 -0.05 0.8
--.LSD.Z. 1990-10-27T12:22:33.48 10.0 undecidable manual SG 74 0.3774 0.2 0.7
--.BNI.Z. 1990-10-27T12:22:30.50 10.0 undecidable manual SG 173 0.2997 -0.09 0.8
--.RSP.Z. 1990-10-27T12:22:29.27 10.0 undecidable manual PG 114 0.4884 0.44 1.2
--.RRL.Z. 1990-10-27T12:22:27.94 10.0 undecidable manual PG 165 0.444 -0.14 1.9
--.LSD.Z. 1990-10-27T12:22:26.61 10.0 undecidable manual PG 74 0.3774 -0.32 1.5
--.LPL.Z. 1990-10-27T12:22:25.80 10.0 undecidable manual SG 24 0.1665 0.32 0.6
--.BNI.Z. 1990-10-27T12:22:24.81 10.0 undecidable manual PG 173 0.2997 -0.31 1.5
--.LPL.Z. 1990-10-27T12:22:22.40 10.0 undecidable manual PG 24 0.1665 -0.03 2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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