Earthquake with magnitude of Md 2.5 on date 12-12-1986 and time 12:06:54 (Italy) in region 2 km W Boves (CN)

A magnitude Md 2.5 earthquake occured in region: 2 km W Boves (CN), on

  • 12-12-1986 11:06:54 (UTC)
  • 12-12-1986 12:06:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3380, 7.5280 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
Boves CN 2 9835 9835
Borgo San Dalmazzo CN 3 12468 22303
Roccavione CN 4 2761 25064
Robilante CN 5 2306 27370
Vignolo CN 5 2600 29970
Cuneo CN 7 56081 86051
Roccasparvera CN 7 741 86792
Cervasca CN 7 5013 91805
Peveragno CN 7 5543 97348
Bernezzo CN 9 4104 101452
Roaschia CN 9 107 101559
Gaiola CN 10 582 102141
Beinette CN 10 3423 105564
Vernante CN 10 1178 106742
Rittana CN 10 109 106851
Moiola CN 11 234 107085
Caraglio CN 12 6836 113921
Valloriate CN 12 109 114030
Chiusa di Pesio CN 12 3676 117706
Valdieri CN 12 935 118641
Valgrana CN 14 786 119427
Margarita CN 15 1441 120868
Entracque CN 15 774 121642
Castelletto Stura CN 15 1351 122993
Pianfei CN 15 2202 125195
Limone Piemonte CN 16 1485 126680
Montemale di Cuneo CN 17 241 126921
Morozzo CN 17 2086 129007
Tarantasca CN 17 2122 131129
Roccaforte Mondovì CN 18 2085 133214
Montanera CN 18 760 133974
Monterosso Grana CN 18 505 134479
Demonte CN 18 2003 136482
Villanova Mondovì CN 19 5792 142274
Centallo CN 19 6954 149228
Dronero CN 19 7035 156263
Villar San Costanzo CN 20 1547 157810

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km SW of Cuneo (56081 inhabitants)
61 Km NW of Sanremo (54807 inhabitants)
75 Km S of Moncalieri (57294 inhabitants)
76 Km W of Savona (61345 inhabitants)
82 Km SW of Asti (76202 inhabitants)
83 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 2.5 1986-12-12
11:06:54
44.338 7.528 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 38109
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-12-12 11:06:54 ± 0.398
Latitude 44.3380 ± 0.0403
Longitude 7.5280 ± 0.0234
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 38109

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) 4851.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 228
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
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) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.00834
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 38109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:38:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.BN9.Z. 1986-12-12T11:07:26.00 10.0 undecidable manual SG 319 0.9213 -0.16 0.5
--.BN9.Z. 1986-12-12T11:07:12.50 10.0 undecidable manual PG 319 0.9213 -0.18 1.1
--.CKI.Z. 1986-12-12T11:07:05.50 10.0 undecidable manual PG 80 0.5439 0.1 1.8
--.DA9.Z. 1986-12-12T11:07:05.00 10.0 undecidable manual SG 309 0.2553 0.47 0.2
--.DA9.Z. 1986-12-12T11:07:00.00 10.0 undecidable manual PG 309 0.2553 -0.18 1.4
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