Earthquake with magnitude of Md 2.3 on date 03-07-1994 and time 23:13:16 (Italy) in region 4 km W Oulx (TO)

A magnitude Md 2.3 earthquake occured in region: 4 km W Oulx (TO), on

  • 03-07-1994 21:13:16 (UTC)
  • 03-07-1994 23:13:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.0200, 6.7850 at 5 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Oulx TO 4 3307 3307
Sauze d'Oulx TO 6 1109 4416
Cesana Torinese TO 8 967 5383
Bardonecchia TO 9 3215 8598
Claviere TO 9 214 8812
Salbertrand TO 10 596 9408
Sestriere TO 10 929 10337
Sauze di Cesana TO 11 244 10581
Pragelato TO 13 776 11357
Exilles TO 14 273 11630
Chiomonte TO 19 916 12546
Usseaux TO 19 186 12732

Municipalities with at least 50000 inhabitants

An earthquake occurred to
71 Km W of Torino (890529 inhabitants)
71 Km W of Moncalieri (57294 inhabitants)
92 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 2.3
ML-VAX 1.5
1994-07-03
21:13:16
45.02 6.785 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 212279
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-07-03 21:13:16 ± 0.477
Latitude 45.0200 ± 0.0332
Longitude 6.7850 ± 0.0567
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 212279

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) 5784.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 191
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.02485
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 212279
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:20:06

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 212279
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.LBF.Z. 1994-07-03T21:14:35.00 10.0 undecidable manual SN 316 2.7639 0.84 0.4
--.SMF.Z. 1994-07-03T21:14:30.80 10.0 undecidable manual SN 309 2.6085 0.23 0.6
--.LMR.Z. 1994-07-03T21:14:09.90 10.0 undecidable manual SN 186 1.6872 1.18 0.4
--.LRG.Z. 1994-07-03T21:14:06.40 10.0 undecidable manual SN 191 1.5873 0.13 0.8
--.LBF.Z. 1994-07-03T21:14:03.40 10.0 undecidable manual PN 316 2.7639 2.04 0.2
--.SMF.Z. 1994-07-03T21:13:59.50 10.0 undecidable manual PN 309 2.6085 0.22 1.4
--.LMR.Z. 1994-07-03T21:13:47.20 10.0 undecidable manual PN 186 1.6872 0.54 1.6
--.LRG.Z. 1994-07-03T21:13:45.40 10.0 undecidable manual PN 191 1.5873 0.15 1.9
--.FRF.Z. 1994-07-03T21:13:42.80 10.0 undecidable manual PN 183 1.4541 -0.65 1.5
--.DOI.Z. 1994-07-03T21:13:38.63 10.0 undecidable manual SG 147 0.5994 -0.38 0.7
--.DOI.Z. 1994-07-03T21:13:28.81 10.0 undecidable manual PG 147 0.5994 -0.7 1.5
--.BNI.Z. 1994-07-03T21:13:19.62 10.0 undecidable manual SG 293 0.0777 -0.52 0.7
--.BNI.Z. 1994-07-03T21:13:17.28 10.0 positive manual PG 293 0.0777 -1.34 1.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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