Earthquake with magnitude of M 2.3 on date 04-08-1993 and time 11:06:41 (Italy) in region 1 km N Castelmagno (CN)

A magnitude M 2.3 earthquake occured in region: 1 km N Castelmagno (CN), on

  • 04-08-1993 09:06:41 (UTC)
  • 04-08-1993 11:06:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4190, 7.2170 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castelmagno CN 1 66 66
Pradleves CN 5 250 316
Celle di Macra CN 8 100 416
San Damiano Macra CN 9 430 846
Monterosso Grana CN 9 505 1351
Cartignano CN 9 190 1541
Macra CN 10 59 1600
Marmora CN 11 68 1668
Canosio CN 12 80 1748
Aisone CN 12 248 1996
Roccabruna CN 12 1585 3581
Stroppo CN 12 103 3684
Montemale di Cuneo CN 13 241 3925
Vinadio CN 13 644 4569
Dronero CN 13 7035 11604
Demonte CN 13 2003 13607
Valgrana CN 13 786 14393
Sambuco CN 14 92 14485
Prazzo CN 15 170 14655
Villar San Costanzo CN 15 1547 16202
Valloriate CN 15 109 16311
Rittana CN 17 109 16420
Pietraporzio CN 17 77 16497
Caraglio CN 17 6836 23333
Elva CN 17 97 23430
Valmala CN 17 52 23482
Moiola CN 18 234 23716
Gaiola CN 18 582 24298
Bernezzo CN 18 4104 28402
Frassino CN 18 265 28667
Melle CN 18 292 28959
Sampeyre CN 18 1022 29981
Acceglio CN 19 162 30143
Roccasparvera CN 20 741 30884

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Cuneo (56081 inhabitants)
75 Km SW of Moncalieri (57294 inhabitants)
80 Km NW of Sanremo (54807 inhabitants)
82 Km SW of Torino (890529 inhabitants)
95 Km SW 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
M 2.3 1993-08-04
09:06:41
44.419 7.217 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 193109
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-08-04 09:06:41 ± 0.12
Latitude 44.4190 ± 0.0082
Longitude 7.2170 ± 0.0165
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 193109

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) 1594.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
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) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.01077
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

M:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 193109
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
--.LMR.Z. 1993-08-04T09:07:20.30 10.0 undecidable manual SN 205 1.1988 -0.64 0.3
--.LPG.Z. 1993-08-04T09:07:19.20 10.0 undecidable manual SN 343 1.1211 -0.06 0.6
--.LRG.Z. 1993-08-04T09:07:19.60 10.0 undecidable manual SN 212 1.1433 -0.05 0.6
--.LPL.Z. 1993-08-04T09:07:19.30 10.0 undecidable manual SN 342 1.1433 -0.48 0.4
--.FRF.Z. 1993-08-04T09:07:12.60 10.0 undecidable manual SG 205 0.9435 -1.78 0
--.BNI.Z. 1993-08-04T09:07:07.50 10.0 undecidable manual SG 329 0.7326 -0.13 0.7
--.LMR.Z. 1993-08-04T09:07:05.30 10.0 undecidable manual PN 205 1.1988 0.83 0.4
--.LPL.Z. 1993-08-04T09:07:04.20 10.0 undecidable manual PN 342 1.1433 0.39 1.1
--.LPG.Z. 1993-08-04T09:07:04.00 10.0 undecidable manual PN 343 1.1211 0.5 0.9
--.LRG.Z. 1993-08-04T09:07:04.20 10.0 undecidable manual PN 212 1.1433 0.47 0.9
--.LSD.Z. 1993-08-04T09:07:01.29 10.0 undecidable manual PN 357 1.0323 -1 0.2
--.SBF.Z. 1993-08-04T09:07:01.80 10.0 undecidable manual SG 164 0.5772 -0.6 0.3
--.FRF.Z. 1993-08-04T09:07:01.10 10.0 undecidable manual PG 205 0.9435 0.41 1.2
--.PCP.Z. 1993-08-04T09:07:00.92 10.0 undecidable manual PG 82 0.9546 0.14 1.6
--.BNI.Z. 1993-08-04T09:06:57.20 10.0 undecidable manual PG 329 0.7326 0.41 1.3
--.FIN.Z. 1993-08-04T09:06:56.80 10.0 undecidable manual PG 106 0.7326 0.01 1.8
--.RSP.Z. 1993-08-04T09:06:56.80 10.0 undecidable manual PG 2 0.7326 -0.59 0.9
--.IMI.Z. 1993-08-04T09:06:55.93 10.0 undecidable manual PG 136 0.6993 -0.16 1.7
--.RRL.Z. 1993-08-04T09:06:53.74 10.0 undecidable manual PG 328 0.5883 -0.25 1.6
--.SBF.Z. 1993-08-04T09:06:53.80 10.0 undecidable manual PG 164 0.5772 0.03 1.8
--.ROB.Z. 1993-08-04T09:06:52.41 10.0 undecidable manual PG 103 0.4773 0.38 1.3
--.ENR.Z. 1993-08-04T09:06:47.32 10.0 undecidable manual PG 142 0.2331 -0.22 1.6
--.DOI.Z. 1993-08-04T09:06:46.50 10.0 undecidable manual SG 13 0.0777 -0.31 0.6
--.PZZ.Z. 1993-08-04T09:06:45.50 10.0 undecidable manual PG 316 0.1221 0.2 1.7
--.DOI.Z. 1993-08-04T09:06:44.90 10.0 undecidable manual PG 13 0.0777 0.13 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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