Earthquake with magnitude of M 2.1 on date 19-10-1985 and time 18:31:37 (UTC) in region 3 km N Busca (CN)

A magnitude M 2.1 earthquake occured in region: 3 km N Busca (CN), on

  • 19-10-1985 18:31:37 (UTC)
  • 19-10-1985 19:31:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5380, 7.4730 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
Busca CN 3 10181 10181
Costigliole Saluzzo CN 3 3375 13556
Rossana CN 3 908 14464
Piasco CN 4 2774 17238
Villafalletto CN 5 2925 20163
Venasca CN 7 1437 21600
Verzuolo CN 7 6459 28059
Tarantasca CN 8 2122 30181
Manta CN 9 3787 33968
Brondello CN 9 290 34258
Vottignasco CN 9 537 34795
Isasca CN 9 76 34871
Pagno CN 9 585 35456
Villar San Costanzo CN 9 1547 37003
Brossasco CN 10 1084 38087
Castellar CN 10 295 38382
Valmala CN 10 52 38434
Centallo CN 10 6954 45388
Dronero CN 12 7035 52423
Lagnasco CN 12 1453 53876
Saluzzo CN 12 16960 70836
Melle CN 12 292 71128
Roccabruna CN 12 1585 72713
Martiniana Po CN 13 734 73447
Montemale di Cuneo CN 14 241 73688
Caraglio CN 14 6836 80524
Gambasca CN 14 371 80895
Revello CN 15 4262 85157
Rifreddo CN 16 1078 86235
Valgrana CN 16 786 87021
Frassino CN 16 265 87286
Genola CN 16 2625 89911
Cartignano CN 16 190 90101
Castelletto Stura CN 17 1351 91452
Bernezzo CN 17 4104 95556
Sanfront CN 17 2395 97951
Cervasca CN 17 5013 102964
Cuneo CN 17 56081 159045
Montanera CN 18 760 159805
Scarnafigi CN 18 2162 161967
Envie CN 18 2074 164041
San Damiano Macra CN 18 430 164471
Monterosso Grana CN 19 505 164976
Savigliano CN 19 21441 186417
Vignolo CN 20 2600 189017

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of Cuneo (56081 inhabitants)
54 Km SW of Moncalieri (57294 inhabitants)
62 Km S of Torino (890529 inhabitants)
71 Km SW of Asti (76202 inhabitants)
83 Km NW of Sanremo (54807 inhabitants)
84 Km W of Savona (61345 inhabitants)
100 Km W of Alessandria (93943 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
M 2.1 1985-10-19
18:31:37
44.538 7.473 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 14889
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-10-19 18:31:37 ± 0.395
Latitude 44.5380 ± 0.0275
Longitude 7.4730 ± 0.0191
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 14889

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) 3407.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 218
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00267
Epicentral distance of station farthest from the epicenter (degree) 0.00615
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

M:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 14889
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(km) Takeoff_angle Residual Weight
--.IMP.Z. 1985-10-19T18:32:00.80 10.0 undecidable manual SG 153 0.6882 -0.81 0.2
--.FIN.Z. 1985-10-19T18:31:58.30 10.0 undecidable manual SG 121 0.6216 -1.08 0.1
--.SOU.Z. 1985-10-19T18:31:53.80 10.0 undecidable manual SG 263 0.4662 -0.87 0.2
--.ROB.Z. 1985-10-19T18:31:51.60 10.0 undecidable manual SG 129 0.3663 0.26 0.7
--.IMP.Z. 1985-10-19T18:31:51.30 10.0 undecidable manual PG 153 0.6882 -0.14 1.7
--.FIN.Z. 1985-10-19T18:31:50.10 10.0 undecidable manual PG 121 0.6216 -0.05 1.9
--.STV.Z. 1985-10-19T18:31:49.80 10.0 undecidable manual SG 199 0.2997 0.57 0.4
--.SOU.Z. 1985-10-19T18:31:47.50 10.0 undecidable manual PG 263 0.4662 0.07 2.1
--.ROB.Z. 1985-10-19T18:31:46.20 10.0 undecidable manual PG 129 0.3663 0.7 0.8
--.STV.Z. 1985-10-19T18:31:44.50 10.0 undecidable manual PG 199 0.2997 0.21 1.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download