Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 1.9 on date 16-03-1993 and time 03:55:46 (Italy) in region 4 km N Demonte (CN)

A magnitude Md 1.9 earthquake occured in region: 4 km N Demonte (CN), on

  • 16-03-1993 02:55:46 (UTC)
  • 16-03-1993 03:55:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3480, 7.2950 at 11 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 4 2003 2003
Valloriate CN 7 109 2112
Aisone CN 7 248 2360
Monterosso Grana CN 7 505 2865
Pradleves CN 8 250 3115
Moiola CN 8 234 3349
Rittana CN 9 109 3458
Gaiola CN 9 582 4040
Castelmagno CN 10 66 4106
Valgrana CN 10 786 4892
Vinadio CN 11 644 5536
Valdieri CN 11 935 6471
Roccasparvera CN 12 741 7212
Montemale di Cuneo CN 12 241 7453
Bernezzo CN 12 4104 11557
Caraglio CN 13 6836 18393
Vignolo CN 14 2600 20993
Entracque CN 14 774 21767
Dronero CN 14 7035 28802
Cervasca CN 14 5013 33815
Cartignano CN 15 190 34005
Roccabruna CN 15 1585 35590
Roccavione CN 15 2761 38351
Borgo San Dalmazzo CN 16 12468 50819
Roaschia CN 16 107 50926
San Damiano Macra CN 16 430 51356
Villar San Costanzo CN 17 1547 52903
Sambuco CN 17 92 52995
Celle di Macra CN 18 100 53095
Robilante CN 18 2306 55401
Macra CN 19 59 55460

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km W of Cuneo (56081 inhabitants)
70 Km NW of Sanremo (54807 inhabitants)
79 Km SW of Moncalieri (57294 inhabitants)
86 Km SW of Torino (890529 inhabitants)
95 Km W of Savona (61345 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 		Md 1.9
M 2.2 		1993-03-16
02:55:46		 44.348 7.295 11 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 181649
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-03-16 02:55:46 ± 0.181
Latitude 44.3480 ± 0.0132
Longitude 7.2950 ± 0.0245
Depth (km) 11 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 181649

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) 2435.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
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) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.01109
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

Md:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 181649
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:50:28

M:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 181649
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
--.LRG.Z. 1993-03-16T02:56:23.70 10.0 undecidable manual SN 217 1.11 -0.06 0.6
--.LMR.Z. 1993-03-16T02:56:23.50 10.0 undecidable manual SN 209 1.1544 -1.28 0.1
--.FRF.Z. 1993-03-16T02:56:16.10 10.0 undecidable manual SG 210 0.9102 -1.99 0
--.LPL.Z. 1993-03-16T02:56:12.70 10.0 undecidable manual PN! 341 1.2321 2.95 0
--.LPG.Z. 1993-03-16T02:56:12.00 10.0 undecidable manual PN! 341 1.1988 2.55 0
--.LMR.Z. 1993-03-16T02:56:10.60 10.0 undecidable manual PN 209 1.1544 1.86 0.1
--.LRG.Z. 1993-03-16T02:56:08.70 10.0 undecidable manual PN 217 1.11 0.55 1.1
--.FRF.Z. 1993-03-16T02:56:04.40 10.0 undecidable manual PG 210 0.9102 -0.48 1.3
--.PCP.Z. 1993-03-16T02:56:04.40 10.0 undecidable manual PG 77 0.9102 -0.45 1.3
--.SBF.Z. 1993-03-16T02:56:03.90 10.0 undecidable manual SG 168 0.4884 -0.71 0.5
--.RRL.Z. 1993-03-16T02:56:00.54 10.0 undecidable manual PG 327 0.6771 0.02 1.8
--.IMI.Z. 1993-03-16T02:55:59.23 10.0 undecidable manual PG 135 0.6105 -0.05 1.8
--.FIN.Z. 1993-03-16T02:55:59.86 10.0 undecidable manual PG 101 0.666 -0.46 1.5
--.SBF.Z. 1993-03-16T02:55:56.60 10.0 undecidable manual PG 168 0.4884 -0.5 1.5
--.BHB.Z. 1993-03-16T02:55:55.96 10.0 undecidable manual PG 357 0.4884 -1 0.7
--.ROB.Z. 1993-03-16T02:55:55.83 10.0 undecidable manual PG 96 0.4107 0.19 1.8
--.DOI.Z. 1993-03-16T02:55:54.00 10.0 undecidable manual SG 347 0.1554 0.09 0.7
--.PZZ.Z. 1993-03-16T02:55:51.98 10.0 undecidable manual PG 318 0.2109 0.15 1.8
--.ENR.Z. 1993-03-16T02:55:51.11 10.0 undecidable manual PG 143 0.1443 0.36 1.6
--.DOI.Z. 1993-03-16T02:55:50.80 10.0 undecidable manual PG 347 0.1554 -0.12 1.8
--.STV.Z. 1993-03-16T02:55:50.55 10.0 undecidable manual PG 165 0.0999 0.67 1.2
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