Earthquake with magnitude of Md 2.3 on date 08-11-1985 and time 20:56:54 (UTC) in region 5 km N Demonte (CN)

A magnitude Md 2.3 earthquake occured in region: 5 km N Demonte (CN), on

  • 08-11-1985 20:56:54 (UTC)
  • 08-11-1985 21:56:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3610, 7.3150 at 17 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
Demonte CN 5 2003 2003
Valloriate CN 5 109 2112
Monterosso Grana CN 6 505 2617
Rittana CN 7 109 2726
Pradleves CN 7 250 2976
Moiola CN 8 234 3210
Valgrana CN 8 786 3996
Gaiola CN 8 582 4578
Aisone CN 9 248 4826
Castelmagno CN 10 66 4892
Montemale di Cuneo CN 10 241 5133
Bernezzo CN 10 4104 9237
Roccasparvera CN 10 741 9978
Caraglio CN 11 6836 16814
Valdieri CN 11 935 17749
Vignolo CN 12 2600 20349
Cervasca CN 13 5013 25362
Dronero CN 13 7035 32397
Vinadio CN 13 644 33041
Roccabruna CN 13 1585 34626
Cartignano CN 13 190 34816
Borgo San Dalmazzo CN 14 12468 47284
Roccavione CN 14 2761 50045
Villar San Costanzo CN 15 1547 51592
Entracque CN 15 774 52366
San Damiano Macra CN 15 430 52796
Roaschia CN 15 107 52903
Celle di Macra CN 17 100 53003
Robilante CN 17 2306 55309
Sambuco CN 19 92 55401
Macra CN 19 59 55460
Boves CN 19 9835 65295
Cuneo CN 19 56081 121376

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km W of Cuneo (56081 inhabitants)
71 Km NW of Sanremo (54807 inhabitants)
77 Km SW of Moncalieri (57294 inhabitants)
84 Km SW of Torino (890529 inhabitants)
93 Km SW of Asti (76202 inhabitants)
93 Km W of Savona (61345 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 1.8
1985-11-08
20:56:54
44.361 7.315 17 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 15389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-11-08 20:56:54 ± 0.123
Latitude 44.3610 ± 0.0108
Longitude 7.3150 ± 0.0154
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 15389

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) 1711.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
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) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.01902
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 15389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:18:08

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 15389
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
--.LMR.Z. 1985-11-08T20:57:31.60 10.0 undecidable manual SN 209 1.1766 -0.13 0.4
--.LSD.Z. 1985-11-08T20:57:30.30 10.0 undecidable manual SN 354 1.0989 0.4 0.3
--.LRG.Z. 1985-11-08T20:57:30.30 10.0 undecidable manual SN 217 1.1322 -0.42 0.3
--.CVF.Z. 1985-11-08T20:57:28.70 10.0 undecidable manual PN 147 2.109 -0.17 0.7
--.FRF.Z. 1985-11-08T20:57:24.30 10.0 undecidable manual SN 211 0.9213 -1.58 0
--.BN9.Z. 1985-11-08T20:57:22.50 10.0 undecidable manual SG 327 0.8214 -0.51 0.3
--.FIN.Z. 1985-11-08T20:57:17.20 10.0 undecidable manual SG 103 0.6549 -0.41 0.5
--.LRG.Z. 1985-11-08T20:57:16.20 10.0 undecidable manual PN 217 1.1322 0.79 0.2
--.LMR.Z. 1985-11-08T20:57:16.50 10.0 undecidable manual PN 209 1.1766 0.51 0.5
--.LPG.Z. 1985-11-08T20:57:16.90 10.0 undecidable manual PN 340 1.1988 0.56 0.5
--.RRL.Z. 1985-11-08T20:57:16.90 10.0 undecidable manual SG 326 0.6771 -1.27 0
--.IMP.Z. 1985-11-08T20:57:15.30 10.0 undecidable manual SG 136 0.5994 -0.75 0.2
--.LSD.Z. 1985-11-08T20:57:15.50 10.0 undecidable manual PN 354 1.0989 0.56 0.5
--.FRF.Z. 1985-11-08T20:57:12.30 10.0 undecidable manual PN 211 0.9213 -0.32 0.9
--.BN9.Z. 1985-11-08T20:57:11.00 10.0 undecidable manual PG 327 0.8214 0.04 1.3
--.CK1.Z. 1985-11-08T20:57:08.00 10.0 undecidable manual PG 84 0.6882 -0.48 0.7
--.RRL.Z. 1985-11-08T20:57:07.60 10.0 undecidable manual PG 326 0.6771 -0.56 0.6
--.FIN.Z. 1985-11-08T20:57:07.80 10.0 positive manual PG 103 0.6549 -0.05 2.7
--.IMP.Z. 1985-11-08T20:57:06.70 10.0 undecidable manual PG 136 0.5994 -0.23 2.3
--.ROB.Z. 1985-11-08T20:57:03.50 10.0 undecidable manual PG 98 0.3996 0.3 2.1
--.DA9.Z. 1985-11-08T20:57:02.00 10.0 undecidable manual SG 340 0.1443 -0.12 0.5
--.ENR.Z. 1985-11-08T20:56:59.30 10.0 positive manual PG 150 0.1554 0.36 1.9
--.SOO.Z. 1985-11-08T20:56:59.70 10.0 undecidable manual PG 313 0.2109 -0.1 2.6
--.DA9.Z. 1985-11-08T20:56:59.00 10.0 negative manual PG 340 0.1443 0.1 2.6
--.STV.Z. 1985-11-08T20:56:58.60 10.0 undecidable manual PG 174 0.111 0.26 2.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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