Earthquake with magnitude of Md 2.4 on date 07-10-1985 and time 11:56:19 (Italy) in region 3 km SE Roaschia (CN)

A magnitude Md 2.4 earthquake occured in region: 3 km SE Roaschia (CN), on

  • 07-10-1985 10:56:19 (UTC)
  • 07-10-1985 11:56:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2560, 7.4890 at 8 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 3 107 107
Vernante CN 4 1178 1285
Robilante CN 5 2306 3591
Roccavione CN 7 2761 6352
Entracque CN 7 774 7126
Valdieri CN 8 935 8061
Borgo San Dalmazzo CN 8 12468 20529
Limone Piemonte CN 9 1485 22014
Boves CN 10 9835 31849
Roccasparvera CN 10 741 32590
Moiola CN 11 234 32824
Gaiola CN 11 582 33406
Vignolo CN 12 2600 36006
Rittana CN 13 109 36115
Valloriate CN 13 109 36224
Peveragno CN 13 5543 41767
Cervasca CN 14 5013 46780
Bernezzo CN 15 4104 50884
Cuneo CN 16 56081 106965
Demonte CN 17 2003 108968
Chiusa di Pesio CN 17 3676 112644
Beinette CN 18 3423 116067
Caraglio CN 19 6836 122903
Valgrana CN 19 786 123689

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km SW of Cuneo (56081 inhabitants)
54 Km NW of Sanremo (54807 inhabitants)
79 Km W of Savona (61345 inhabitants)
84 Km S of Moncalieri (57294 inhabitants)
91 Km SW of Asti (76202 inhabitants)
92 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
Bulletin
Rev1000
Md 2.4 1985-10-07
10:56:19
44.256 7.489 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 14269
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-10-07 10:56:19 ± 0.112
Latitude 44.2560 ± 0.0157
Longitude 7.4890 ± 0.0085
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 14269

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) 1877.3
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 11
Number of defining phases 11
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) 0.00097
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 14269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:17:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SOU.Z. 1985-10-07T10:56:39.80 10.0 undecidable manual SG 295 0.5328 0.84 0
--.FIN.Z. 1985-10-07T10:56:38.30 10.0 undecidable manual SG 94 0.5106 -0.15 0.6
--.IMP.Z. 1985-10-07T10:56:36.50 10.0 undecidable manual SG 139 0.444 0.35 0.3
--.CK1.Z. 1985-10-07T10:56:32.00 10.0 undecidable manual PG? 73 0.5883 0.21 0.5
--.FIN.Z. 1985-10-07T10:56:30.10 10.0 undecidable manual PG 94 0.5106 -0.39 0.6
--.ROB.Z. 1985-10-07T10:56:30.90 10.0 undecidable manual SG 80 0.2664 0.18 0.6
--.SOU.Z. 1985-10-07T10:56:30.40 10.0 undecidable manual PG 295 0.5328 -0.38 0.7
--.IMP.Z. 1985-10-07T10:56:29.20 10.0 undecidable manual PG 139 0.444 0.04 1.7
--.ROB.Z. 1985-10-07T10:56:26.20 10.0 undecidable manual PG 80 0.2664 0.17 1.5
--.STV.Z. 1985-10-07T10:56:24.70 10.0 undecidable manual SG 267 0.111 -0.18 0.9
--.STV.Z. 1985-10-07T10:56:22.70 10.0 undecidable manual PG 267 0.111 0.05 3.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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