Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.2 on date 23-09-1992 and time 20:43:21 (UTC) in region 4 km SE Claviere (TO)

A magnitude Md 2.2 earthquake occured in region: 4 km SE Claviere (TO), on

  • 23-09-1992 20:43:21 (UTC)
  • 23-09-1992 22:43:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.9120, 6.7760 at 9 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 4 214 214
Cesana Torinese TO 5 967 1181
Sauze di Cesana TO 8 244 1425
Sestriere TO 10 929 2354
Oulx TO 14 3307 5661
Sauze d'Oulx TO 15 1109 6770
Pragelato TO 18 776 7546
Bardonecchia TO 19 3215 10761
Salbertrand TO 20 596 11357

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km W of Moncalieri (57294 inhabitants)
74 Km W of Torino (890529 inhabitants)
84 Km NW of Cuneo (56081 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 		1992-09-23
20:43:21		 44.912 6.776 9 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 173839
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-09-23 20:43:21 ± 0.201
Latitude 44.9120 ± 0.0087
Longitude 6.7760 ± 0.0202
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 173839

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) 1860.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00008
Epicentral distance of station farthest from the epicenter (degree) 0.02874
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 173839
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:42:41

M:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 173839
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
--.BGF.Z. 1992-09-23T20:44:12.20 10.0 undecidable manual PN 302 3.1857 0.94 0.5
--.LMR.Z. 1992-09-23T20:44:10.00 10.0 undecidable manual SN 186 1.5762 0.34 0.6
--.LBF.Z. 1992-09-23T20:44:07.10 10.0 undecidable manual PN 317 2.8305 0.72 0.8
--.LRG.Z. 1992-09-23T20:44:07.70 10.0 undecidable manual SN 191 1.4874 0.47 0.6
--.PCP.Z. 1992-09-23T20:44:05.46 10.0 undecidable manual SN! 105 1.2987 2.43 0
--.FRF.Z. 1992-09-23T20:44:04.79 10.0 undecidable manual SN 183 1.3431 0.71 0.5
--.SMF.Z. 1992-09-23T20:44:03.90 10.0 undecidable manual PN 311 2.664 -0.28 1.1
--.IMI.Z. 1992-09-23T20:44:01.99 10.0 undecidable manual SN 141 1.2765 -0.33 0.7
--.ROB.Z. 1992-09-23T20:43:55.28 10.0 undecidable manual SG 127 0.9879 0.21 0.8
--.LMR.Z. 1992-09-23T20:43:50.40 10.0 undecidable manual PN 186 1.5762 1.2 0.5
--.LRG.Z. 1992-09-23T20:43:48.60 10.0 undecidable manual PN 191 1.4874 0.8 1
--.ENR.Z. 1992-09-23T20:43:48.16 10.0 undecidable manual SG 145 0.8214 -1.59 0.1
--.PCP.Z. 1992-09-23T20:43:46.33 10.0 undecidable manual PN 105 1.2987 0.95 0.8
--.STV.Z. 1992-09-23T20:43:46.16 10.0 undecidable manual SG 148 0.7659 -1.81 0.1
--.FRF.Z. 1992-09-23T20:43:46.50 10.0 undecidable manual PN 183 1.3431 0.52 1.5
--.SBF.Z. 1992-09-23T20:43:45.70 10.0 undecidable manual PN! 155 1.1433 2.53 0
--.IMI.Z. 1992-09-23T20:43:44.51 10.0 undecidable manual PN 141 1.2765 -0.45 1.7
--.LSD.Z. 1992-09-23T20:43:42.77 10.0 undecidable manual SG 26 0.5994 0.01 0.9
--.LPL.Z. 1992-09-23T20:43:42.20 10.0 undecidable manual SG 357 0.5994 -0.47 0.7
--.LPG.Z. 1992-09-23T20:43:41.90 10.0 undecidable manual SG 358 0.5883 -0.16 0.9
--.ROB.Z. 1992-09-23T20:43:40.34 10.0 undecidable manual PG 127 0.9879 -0.43 2
--.PZZ.Z. 1992-09-23T20:43:37.41 10.0 undecidable manual SG 150 0.4662 -0.89 0.5
--.RSP.Z. 1992-09-23T20:43:37.89 10.0 undecidable manual SG 54 0.4107 1.27 0.2
--.ENR.Z. 1992-09-23T20:43:36.80 10.0 undecidable manual PG 145 0.8214 -0.91 1.2
--.BHB.Z. 1992-09-23T20:43:35.31 10.0 undecidable manual SG 102 0.3552 0.67 0.5
--.STV.Z. 1992-09-23T20:43:35.96 10.0 undecidable manual PG 148 0.7659 -0.71 1.5
--.LPL.Z. 1992-09-23T20:43:33.10 10.0 undecidable manual PG 357 0.5994 -0.52 1.7
--.LPG.Z. 1992-09-23T20:43:33.10 10.0 undecidable manual PG 358 0.5883 -0.16 2.2
--.LSD.Z. 1992-09-23T20:43:33.68 10.0 undecidable manual PG 26 0.5994 0.01 2.3
--.PZZ.Z. 1992-09-23T20:43:30.50 10.0 undecidable manual PG 150 0.4662 -1.05 0.9
--.RSP.Z. 1992-09-23T20:43:30.72 10.0 undecidable manual PG 54 0.4107 0.59 1.6
--.BHB.Z. 1992-09-23T20:43:29.26 10.0 undecidable manual PG 102 0.3552 0.27 2.1
--.BNI.Z. 1992-09-23T20:43:27.00 10.0 undecidable manual SG 333 0.1554 -1.08 0.2
--.RRL.Z. 1992-09-23T20:43:25.33 10.0 undecidable manual SG 36 0.0111 0.78 0.6
--.BNI.Z. 1992-09-23T20:43:24.00 10.0 undecidable manual PG 333 0.1554 -1.2 0.5
--.RRL.Z. 1992-09-23T20:43:23.39 10.0 undecidable manual PG 36 0.0111 0.24 2.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download