Earthquake with magnitude of Md 2.0 on date 11-10-1985 and time 11:57:00 (Italy) in region 3 km W Vernante (CN)

A magnitude Md 2.0 earthquake occured in region: 3 km W Vernante (CN), on

  • 11-10-1985 10:57:00 (UTC)
  • 11-10-1985 11:57:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.24, 7.5 at 9 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
Vernante CN 3 1178 1178
Roaschia CN 5 107 1285
Robilante CN 7 2306 3591
Limone Piemonte CN 7 1485 5076
Entracque CN 8 774 5850
Roccavione CN 9 2761 8611
Valdieri CN 10 935 9546
Borgo San Dalmazzo CN 11 12468 22014
Boves CN 11 9835 31849
Roccasparvera CN 13 741 32590
Moiola CN 13 234 32824
Gaiola CN 13 582 33406
Peveragno CN 14 5543 38949
Vignolo CN 14 2600 41549
Rittana CN 15 109 41658
Valloriate CN 15 109 41767
Cervasca CN 17 5013 46780
Chiusa di Pesio CN 17 3676 50456
Bernezzo CN 18 4104 54560
Cuneo CN 18 56081 110641
Demonte CN 18 2003 112644
Beinette CN 19 3423 116067

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km S of Cuneo (56081 inhabitants)
51 Km NW of Sanremo (54807 inhabitants)
79 Km W of Savona (61345 inhabitants)
86 Km S of Moncalieri (57294 inhabitants)
93 Km SW of Asti (76202 inhabitants)
94 Km S of Torino (890529 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 1985-10-11
10:57:00
44.24 7.5 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 14499
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-10-11 10:57:00 ± 0.15
Latitude 44.24 ± 0.02
Longitude 7.50 ± 0.02
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 14499

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) 2492.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.00526
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2

Field Value
Value 2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 14499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:17:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SOU.Z. 1985-10-11T10:57:20.70 10.0 undecidable manual SG 296 0.0049 0.54 0.2
--.CKI.Z. 1985-10-11T10:57:20.50 10.0 undecidable manual SG 71 0.0053 -0.81 0
--.FIN.Z. 1985-10-11T10:57:18.00 10.0 undecidable manual SG 92 0.0045 -0.82 0
--.IMP.Z. 1985-10-11T10:57:15.80 10.0 undecidable manual SG 138 0.0038 -0.39 0.4
--.CKI.Z. 1985-10-11T10:57:13.00 10.0 undecidable manual PG 71 0.0053 0.52 0.5
--.ROB.Z. 1985-10-11T10:57:11.40 10.0 undecidable manual SG 75 0.0024 0.07 1
--.SOU.Z. 1985-10-11T10:57:11.40 10.0 undecidable manual PG 296 0.0049 -0.42 0.7
--.FIN.Z. 1985-10-11T10:57:10.90 10.0 undecidable manual PG 92 0.0045 -0.14 1.4
--.IMP.Z. 1985-10-11T10:57:09.90 10.0 undecidable manual PG 138 0.0038 0.37 1
--.ROB.Z. 1985-10-11T10:57:06.90 10.0 undecidable manual PG 75 0.0024 0.18 3
--.STV.Z. 1985-10-11T10:57:05.80 10.0 undecidable manual SG 276 0.0011 -0.32 0.5
--.STV.Z. 1985-10-11T10:57:03.70 10.0 undecidable manual PG 276 0.0011 -0.02 3.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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