Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.2 on date 07-05-1993 and time 08:04:12 (UTC) in region 3 km NW Demonte (CN)

A magnitude Md 2.2 earthquake occured in region: 3 km NW Demonte (CN), on

  • 07-05-1993 08:04:12 (UTC)
  • 07-05-1993 10:04:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3410, 7.2770 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.

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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
Demonte CN 3 2003 2003
Aisone CN 5 248 2251
Valloriate CN 8 109 2360
Monterosso Grana CN 9 505 2865
Pradleves CN 9 250 3115
Vinadio CN 9 644 3759
Castelmagno CN 9 66 3825
Moiola CN 9 234 4059
Rittana CN 10 109 4168
Gaiola CN 10 582 4750
Valgrana CN 11 786 5536
Valdieri CN 12 935 6471
Roccasparvera CN 13 741 7212
Montemale di Cuneo CN 13 241 7453
Bernezzo CN 14 4104 11557
Entracque CN 15 774 12331
Caraglio CN 15 6836 19167
Cartignano CN 15 190 19357
Vignolo CN 16 2600 21957
Dronero CN 16 7035 28992
Sambuco CN 16 92 29084
Cervasca CN 16 5013 34097
Roccabruna CN 16 1585 35682
Roaschia CN 16 107 35789
San Damiano Macra CN 17 430 36219
Roccavione CN 17 2761 38980
Borgo San Dalmazzo CN 17 12468 51448
Celle di Macra CN 18 100 51548
Villar San Costanzo CN 18 1547 53095
Pietraporzio CN 19 77 53172
Macra CN 19 59 53231
Robilante CN 19 2306 55537
Marmora CN 20 68 55605

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km W of Cuneo (56081 inhabitants)
71 Km NW of Sanremo (54807 inhabitants)
80 Km SW of Moncalieri (57294 inhabitants)
88 Km SW of Torino (890529 inhabitants)
96 Km W of Savona (61345 inhabitants)
96 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 		Md 2.2
M 2.4 		1993-05-07
08:04:12		 44.341 7.277 10 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 184629
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-05-07 08:04:12 ± 0.14
Latitude 44.3410 ± 0.0088
Longitude 7.2770 ± 0.0153
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 184629

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) 1561.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 43
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.03432
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 184629
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:53:19

M:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 184629
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
--.PGF.Z. 1993-05-07T08:05:14.40 10.0 undecidable manual SN 144 2.1756 -0.4 0.4
--.BGF.Z. 1993-05-07T08:05:14.10 10.0 undecidable manual PN! 307 3.8073 3.28 0
--.CDR.Z. 1993-05-07T08:04:52.50 10.0 undecidable manual SN 239 1.2654 -0.63 0.4
--.LPL.Z. 1993-05-07T08:04:52.70 10.0 undecidable manual SN 342 1.2321 0.43 0.5
--.LPG.Z. 1993-05-07T08:04:51.60 10.0 undecidable manual SN 342 1.2099 -0.14 0.6
--.LRG.Z. 1993-05-07T08:04:48.90 10.0 undecidable manual SN 217 1.0989 -0.22 0.6
--.PGF.Z. 1993-05-07T08:04:48.60 10.0 undecidable manual PN 144 2.1756 0.17 1
--.LSD.Z. 1993-05-07T08:04:46.98 10.0 undecidable manual SN! 355 1.11 -2.51 0
--.PCP.Z. 1993-05-07T08:04:42.79 10.0 undecidable manual SG 77 0.9213 -1.28 0.1
--.FRF.Z. 1993-05-07T08:04:41.70 10.0 undecidable manual SG 210 0.8991 -1.55 0
--.RSP.Z. 1993-05-07T08:04:37.68 10.0 undecidable manual SG! 359 0.8103 -2.65 0
--.CKI.Z. 1993-05-07T08:04:37.00 10.0 undecidable manual SG 83 0.7215 -0.45 0.6
--.LPL.Z. 1993-05-07T08:04:36.29 10.0 undecidable manual PN 342 1.2321 0.87 0.7
--.CDR.Z. 1993-05-07T08:04:36.79 10.0 undecidable manual PN 239 1.2654 0.87 0.6
--.FIN.Z. 1993-05-07T08:04:35.41 10.0 undecidable manual SG 100 0.6771 -0.72 0.6
--.LPG.Z. 1993-05-07T08:04:35.90 10.0 undecidable manual PN 342 1.2099 0.78 0.8
--.LMR.Z. 1993-05-07T08:04:34.79 10.0 undecidable manual PN 209 1.1433 0.58 1.1
--.RRL.Z. 1993-05-07T08:04:34.18 10.0 undecidable manual SG 329 0.6771 -1.88 0
--.LRG.Z. 1993-05-07T08:04:33.79 10.0 undecidable manual PN 217 1.0989 0.18 1.6
--.IMI.Z. 1993-05-07T08:04:33.00 10.0 undecidable manual SG 134 0.6105 -1.14 0.2
--.LSD.Z. 1993-05-07T08:04:33.29 10.0 undecidable manual PN 355 1.11 -0.53 1.2
--.PCP.Z. 1993-05-07T08:04:31.17 10.0 undecidable manual PG 77 0.9213 0.48 1.4
--.FRF.Z. 1993-05-07T08:04:30.10 10.0 undecidable manual PG 210 0.8991 -0.12 1.8
--.CKI.Z. 1993-05-07T08:04:28.00 10.0 undecidable manual PG 83 0.7215 1.13 0.4
--.BHB.Z. 1993-05-07T08:04:28.26 10.0 undecidable manual SG 358 0.4884 -1.9 0
--.SBF.Z. 1993-05-07T08:04:28.50 10.0 undecidable manual SG 166 0.4884 -1.57 0
--.ROB.Z. 1993-05-07T08:04:27.56 10.0 undecidable manual SG 94 0.4218 -0.51 0.6
--.RSP.Z. 1993-05-07T08:04:27.47 10.0 undecidable manual PG 359 0.8103 -1.06 0.5
--.FIN.Z. 1993-05-07T08:04:26.34 10.0 positive manual PG 100 0.6771 0.23 3.6
--.IMI.Z. 1993-05-07T08:04:25.20 10.0 undecidable manual PG 134 0.6105 0.06 1.9
--.RRL.Z. 1993-05-07T08:04:25.81 10.0 undecidable manual PG 329 0.6771 -0.25 1.8
--.BHB.Z. 1993-05-07T08:04:22.57 10.0 undecidable manual PG 358 0.4884 -0.09 1.9
--.ROB.Z. 1993-05-07T08:04:22.13 10.0 undecidable manual PG 94 0.4218 0.68 1.1
--.SBF.Z. 1993-05-07T08:04:22.60 10.0 undecidable manual PG 166 0.4884 -0.01 1.9
--.PZZ.Z. 1993-05-07T08:04:20.45 10.0 undecidable manual SG 322 0.1998 -0.5 0.8
--.DOI.Z. 1993-05-07T08:04:19.50 10.0 undecidable manual SG 352 0.1665 -0.1 0.7
--.ENR.Z. 1993-05-07T08:04:18.42 10.0 undecidable manual SG 137 0.1554 -0.83 0.3
--.DOI.Z. 1993-05-07T08:04:17.00 10.0 undecidable manual PG 352 0.1665 0.44 1.5
--.PZZ.Z. 1993-05-07T08:04:17.39 10.0 negative manual PG 322 0.1998 0.05 3.8
--.STV.Z. 1993-05-07T08:04:16.75 10.0 undecidable manual SG 156 0.0888 -0.78 0.4
--.ENR.Z. 1993-05-07T08:04:16.40 10.0 undecidable manual PG 137 0.1554 0.04 1.9
--.STV.Z. 1993-05-07T08:04:15.49 10.0 undecidable manual PG 156 0.0888 0.13 1.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download