Earthquake with magnitude of M 2.0 on date 10-10-1985 and time 13:30:54 (Italy) in region 2 km W Roaschia (CN)

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

  • 10-10-1985 12:30:54 (UTC)
  • 10-10-1985 13:30:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.26, 7.43 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Roaschia CN 2 107 107
Valdieri CN 3 935 1042
Entracque CN 4 774 1816
Roccavione CN 7 2761 4577
Moiola CN 7 234 4811
Robilante CN 7 2306 7117
Gaiola CN 8 582 7699
Vernante CN 8 1178 8877
Borgo San Dalmazzo CN 9 12468 21345
Roccasparvera CN 9 741 22086
Valloriate CN 10 109 22195
Rittana CN 10 109 22304
Vignolo CN 11 2600 24904
Demonte CN 12 2003 26907
Boves CN 12 9835 36742
Limone Piemonte CN 13 1485 38227
Cervasca CN 14 5013 43240
Bernezzo CN 14 4104 47344
Peveragno CN 17 5543 52887
Valgrana CN 17 786 53673
Caraglio CN 17 6836 60509
Cuneo CN 17 56081 116590
Aisone CN 18 248 116838
Monterosso Grana CN 18 505 117343
Montemale di Cuneo CN 20 241 117584

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km SW of Cuneo (56081 inhabitants)
57 Km NW of Sanremo (54807 inhabitants)
84 Km W of Savona (61345 inhabitants)
85 Km S of Moncalieri (57294 inhabitants)
92 Km S of Torino (890529 inhabitants)
94 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 M 2.0 1985-10-10
12:30:54
44.26 7.43 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 14419
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-10-10 12:30:54 ± 0.113
Latitude 44.26 ± 0.01
Longitude 7.43 ± 0.01
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 14419

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) 1429.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 182
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.00502
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

M:2

Field Value
Value 2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 14419
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 Takeoff_angle Residual Weight
--.FIN.Z. 1985-10-10T12:31:14.00 10.0 undecidable manual SG 95 0.005 -0.25 0.3
--.IMP.Z. 1985-10-10T12:31:11.60 10.0 undecidable manual SG 136 0.0043 -0.1 0.8
--.ROB.Z. 1985-10-10T12:31:06.20 10.0 undecidable manual SG 82 0.0028 -0.31 0.2
--.FIN.Z. 1985-10-10T12:31:05.80 10.0 undecidable manual PG 95 0.005 -0.05 1.6
--.IMP.Z. 1985-10-10T12:31:04.50 10.0 undecidable manual PG 136 0.0043 0.12 1.7
--.ROB.Z. 1985-10-10T12:31:01.90 10.0 undecidable manual PG 82 0.0028 0.52 0.5
--.STV.Z. 1985-10-10T12:30:58.90 10.0 undecidable manual SG 259 0.0006 0.03 0.9
--.STV.Z. 1985-10-10T12:30:56.90 10.0 undecidable manual PG 259 0.0006 -0.07 2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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