Earthquake with magnitude of Md 2.0 on date 13-12-1985 and time 04:36:16 (UTC) in region 2 km W Valloriate (CN)

A magnitude Md 2.0 earthquake occured in region: 2 km W Valloriate (CN), on

  • 13-12-1985 04:36:16 (UTC)
  • 13-12-1985 05:36:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.34, 7.36 at 12 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
Valloriate CN 2 109 109
Moiola CN 3 234 343
Rittana CN 4 109 452
Gaiola CN 4 582 1034
Demonte CN 5 2003 3037
Roccasparvera CN 7 741 3778
Valdieri CN 8 935 4713
Monterosso Grana CN 8 505 5218
Valgrana CN 8 786 6004
Bernezzo CN 9 4104 10108
Vignolo CN 10 2600 12708
Cervasca CN 10 5013 17721
Roccavione CN 11 2761 20482
Caraglio CN 11 6836 27318
Pradleves CN 11 250 27568
Borgo San Dalmazzo CN 11 12468 40036
Aisone CN 11 248 40284
Roaschia CN 11 107 40391
Montemale di Cuneo CN 11 241 40632
Entracque CN 11 774 41406
Robilante CN 13 2306 43712
Castelmagno CN 14 66 43778
Dronero CN 14 7035 50813
Vinadio CN 15 644 51457
Roccabruna CN 15 1585 53042
Boves CN 16 9835 62877
Cartignano CN 16 190 63067
Villar San Costanzo CN 16 1547 64614
Cuneo CN 17 56081 120695
Vernante CN 18 1178 121873
San Damiano Macra CN 18 430 122303

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km W of Cuneo (56081 inhabitants)
67 Km NW of Sanremo (54807 inhabitants)
78 Km SW of Moncalieri (57294 inhabitants)
86 Km SW of Torino (890529 inhabitants)
90 Km W of Savona (61345 inhabitants)
92 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
Rev 1000 Md 2.0 1985-12-13
04:36:16
44.34 7.36 12 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 17989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-12-13 04:36:16 ± 0.399
Latitude 44.34 ± 0.02
Longitude 7.36 ± 0.03
Depth (km) 12 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 17989

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) 2841.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.00559
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2

Field Value
Value 2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 17989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:20:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.FIN.Z. 1985-12-13T04:36:38.40 10.0 undecidable manual SG 101 0.0056 -0.16 0.6
--.IMP.Z. 1985-12-13T04:36:36.20 10.0 undecidable manual SG 137 0.0051 -0.69 0.1
--.ROB.Z. 1985-12-13T04:36:30.70 10.0 undecidable manual SG 95 0.0033 0.21 0.7
--.FIN.Z. 1985-12-13T04:36:29.10 10.0 undecidable manual PG 101 0.0056 -0.18 1.4
--.IMP.Z. 1985-12-13T04:36:28.30 10.0 undecidable manual PG 137 0.0051 -0.01 1.7
--.ROB.Z. 1985-12-13T04:36:25.00 10.0 undecidable manual PG 95 0.0033 0.38 1.2
--.DA9.Z. 1985-12-13T04:36:23.50 10.0 undecidable manual SG 334 0.0016 -0.98 0
--.DA9.Z. 1985-12-13T04:36:21.50 10.0 undecidable manual PG 334 0.0016 0.35 1.3
--.STV.Z. 1985-12-13T04:36:19.80 10.0 undecidable manual PG 191 0.0007 0.13 1.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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