Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.4 on date 06-02-1992 and time 22:28:26 (UTC) in region NW Osasco (TO)

A magnitude Md 2.4 earthquake occured in region: NW Osasco (TO), on

  • 06-02-1992 22:28:26 (UTC)
  • 06-02-1992 23:28:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.8530, 7.3430 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.

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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
Osasco TO 0 1141 1141
Garzigliana TO 3 572 1713
San Secondo di Pinerolo TO 4 3575 5288
Pinerolo TO 4 35808 41096
Bricherasio TO 4 4616 45712
Macello TO 5 1229 46941
Campiglione Fenile TO 6 1390 48331
Prarostino TO 6 1273 49604
Buriasco TO 6 1410 51014
San Pietro Val Lemina TO 7 1448 52462
Porte TO 7 1083 53545
Bibiana TO 7 3442 56987
Cavour TO 8 5545 62532
Roletto TO 8 2009 64541
Luserna San Giovanni TO 9 7395 71936
Lusernetta TO 9 506 72442
Frossasco TO 9 2864 75306
Angrogna TO 9 889 76195
San Germano Chisone TO 10 1854 78049
Cantalupa TO 10 2553 80602
Torre Pellice TO 10 4551 85153
Piscina TO 10 3388 88541
Villar Perosa TO 11 4092 92633
Bagnolo Piemonte CN 11 6024 98657
Pramollo TO 12 258 98915
Vigone TO 12 5182 104097
Cercenasco TO 13 1803 105900
Scalenghe TO 13 3339 109239
Rorà TO 13 257 109496
Airasca TO 13 3794 113290
Pinasca TO 14 3051 116341
Barge CN 14 7774 124115
Inverso Pinasca TO 15 730 124845
Cumiana TO 15 7826 132671
Villafranca Piemonte TO 15 4729 137400
Villar Pellice TO 15 1076 138476
Cardè CN 16 1122 139598
Perosa Argentina TO 17 3285 142883
Pomaretto TO 17 1009 143892
Volvera TO 18 8840 152732
Virle Piemonte TO 18 1206 153938
None TO 18 8005 161943
Piossasco TO 18 18589 180532
Moretta CN 18 4136 184668
Bobbio Pellice TO 18 563 185231
Castagnole Piemonte TO 18 2245 187476
Envie CN 19 2074 189550
Paesana CN 19 2784 192334
Faule CN 20 486 192820
Pancalieri TO 20 2038 194858
Torre San Giorgio CN 20 730 195588

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SW of Moncalieri (57294 inhabitants)
36 Km SW of Torino (890529 inhabitants)
54 Km NW of Cuneo (56081 inhabitants)
68 Km W of Asti (76202 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 2.4
M 2.8 		1992-02-06
22:28:26		 44.853 7.343 5 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 158029
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-02-06 22:28:26 ± 0.196
Latitude 44.8530 ± 0.0116
Longitude 7.3430 ± 0.0225
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 158029

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) 2196.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1
Epicentral distance of station closest to the epicenter (degree) 0.00049
Epicentral distance of station farthest from the epicenter (degree) 0.03473
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 31
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 158029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:27:41

M:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 158029
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
--.TCF.Z. 1992-02-06T22:29:28.90 10.0 undecidable manual PN! 293 3.8517 2.31 0
--.CAF.Z. 1992-02-06T22:29:26.70 10.0 undecidable manual PN 272 3.7296 1.88 0.3
--.BGF.Z. 1992-02-06T22:29:23.90 10.0 undecidable manual PN 300 3.5631 1.37 0.5
--.SSF.Z. 1992-02-06T22:29:22.50 10.0 undecidable manual PN 310 3.4521 1.48 0.4
--.LOR.Z. 1992-02-06T22:29:21.40 10.0 undecidable manual PN 316 3.4077 1 0.7
--.CDR.Z. 1992-02-06T22:29:19.10 10.0 undecidable manual SN 224 1.6317 1.82 0.2
--.LBF.Z. 1992-02-06T22:29:18.50 10.0 undecidable manual PN 313 3.1524 1.55 0.4
--.LMR.Z. 1992-02-06T22:29:18.50 10.0 undecidable manual SN 201 1.6317 1.19 0.4
--.SMF.Z. 1992-02-06T22:29:17.00 10.0 undecidable manual PN 307 3.0192 1.91 0.3
--.LRG.Z. 1992-02-06T22:29:17.90 10.0 undecidable manual SN! 207 1.5651 2.17 0
--.FRF.Z. 1992-02-06T22:29:12.00 10.0 undecidable manual SN 201 1.3764 0.56 0.6
--.PGF.Z. 1992-02-06T22:29:08.30 10.0 undecidable manual PN 151 2.5863 -0.84 0.9
--.IMI.Z. 1992-02-06T22:28:59.76 10.0 undecidable manual SG! 157 1.0101 -2.54 0
--.SBF.Z. 1992-02-06T22:28:59.30 10.0 undecidable manual SG! 176 0.9879 -2.06 0
--.CDR.Z. 1992-02-06T22:28:58.30 10.0 positive manual PN! 224 1.6317 2.41 0
--.PCP.Z. 1992-02-06T22:28:58.72 10.0 undecidable manual SG 109 0.9102 0 0.7
--.LMR.Z. 1992-02-06T22:28:57.90 10.0 undecidable manual PN 201 1.6317 1.98 0.4
--.ORO.Z. 1992-02-06T22:28:57.63 10.0 undecidable manual SG 29 0.888 -0.64 0.6
--.LRG.Z. 1992-02-06T22:28:56.70 10.0 undecidable manual PN 207 1.5651 1.71 0.6
--.FIN.Z. 1992-02-06T22:28:56.78 10.0 undecidable manual SG 135 0.888 -1.39 0.4
--.CKI.Z. 1992-02-06T22:28:56.40 10.0 undecidable manual SG 122 0.7881 1.38 0.4
--.FRF.Z. 1992-02-06T22:28:53.40 10.0 undecidable manual PN 201 1.3764 0.88 1.3
--.LPL.Z. 1992-02-06T22:28:51.00 10.0 undecidable manual SG! 327 0.777 -3.92 0
--.LPG.Z. 1992-02-06T22:28:50.30 10.0 undecidable manual SG! 327 0.7659 -3.88 0
--.ROB.Z. 1992-02-06T22:28:49.71 10.0 undecidable manual SG 145 0.666 -1.24 0.4
--.ENR.Z. 1992-02-06T22:28:47.70 10.0 undecidable manual SG! 174 0.6216 -2.63 0
--.LSD.Z. 1992-02-06T22:28:46.23 10.0 undecidable manual SG! 347 0.6105 -3.18 0
--.IMI.Z. 1992-02-06T22:28:46.43 10.0 undecidable manual PG 157 1.0101 -0.81 1.4
--.STV.Z. 1992-02-06T22:28:46.80 10.0 undecidable manual SG! 180 0.5883 -2.76 0
--.SBF.Z. 1992-02-06T22:28:45.50 10.0 undecidable manual PG 176 0.9879 -1.2 1.1
--.PCP.Z. 1992-02-06T22:28:45.86 10.0 undecidable manual PG 109 0.9102 0.69 1.5
--.ORO.Z. 1992-02-06T22:28:45.26 10.0 undecidable manual PG 29 0.888 0.34 1.7
--.FIN.Z. 1992-02-06T22:28:44.83 10.0 undecidable manual PG 135 0.888 -0.03 1.8
--.CKI.Z. 1992-02-06T22:28:43.74 10.0 undecidable manual PG 122 0.7881 0.7 1.5
--.ORX.Z. 1992-02-06T22:28:42.42 10.0 undecidable manual PG! 29 0.8991 -2.58 0
--.LPG.Z. 1992-02-06T22:28:41.20 10.0 undecidable manual PG 327 0.7659 -1.35 0.9
--.LPL.Z. 1992-02-06T22:28:41.60 10.0 undecidable manual PG 327 0.777 -1.38 0.9
--.PZZ.Z. 1992-02-06T22:28:40.13 10.0 undecidable manual SG 206 0.3885 -1.57 0.4
--.ROB.Z. 1992-02-06T22:28:40.90 10.0 undecidable manual PG 145 0.666 0.2 1.8
--.RRL.Z. 1992-02-06T22:28:39.50 10.0 undecidable manual SG! 279 0.3996 -3.2 0
--.DOI.Z. 1992-02-06T22:28:39.35 10.0 undecidable manual SG 191 0.3552 -1.13 0.5
--.STV.Z. 1992-02-06T22:28:38.50 10.0 undecidable manual PG 180 0.5883 -0.97 1.3
--.LSD.Z. 1992-02-06T22:28:38.75 10.0 positive manual PG 347 0.6105 -1.05 2.4
--.ENR.Z. 1992-02-06T22:28:38.96 10.0 undecidable manual PG 174 0.6216 -1.01 1.3
--.BNI.Z. 1992-02-06T22:28:36.23 10.0 positive manual PG 293 0.4995 -1.56 1.5
--.DOI.Z. 1992-02-06T22:28:34.53 10.0 undecidable manual PG 191 0.3552 -0.12 1.8
--.PZZ.Z. 1992-02-06T22:28:34.91 10.0 positive manual PG 206 0.3885 -0.45 3.4
--.RRL.Z. 1992-02-06T22:28:34.43 10.0 positive manual PG 279 0.3996 -1.23 2.1
--.RSP.Z. 1992-02-06T22:28:33.30 10.0 positive manual PG 348 0.2997 -0.23 3.6
--.BHB.Z. 1992-02-06T22:28:30.10 10.0 undecidable manual PG 251 0.0555 1.77 0.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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