Earthquake with magnitude of M 2.4 on date 12-09-1986 and time 11:54:13 (Italy) in region 2 km SW Robilante (CN)

A magnitude M 2.4 earthquake occured in region: 2 km SW Robilante (CN), on

  • 12-09-1986 09:54:13 (UTC)
  • 12-09-1986 11:54:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2880, 7.4960 at 7 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
Robilante CN 2 2306 2306
Roccavione CN 3 2761 5067
Roaschia CN 4 107 5174
Borgo San Dalmazzo CN 5 12468 17642
Vernante CN 6 1178 18820
Boves CN 7 9835 28655
Roccasparvera CN 7 741 29396
Valdieri CN 8 935 30331
Vignolo CN 8 2600 32931
Gaiola CN 9 582 33513
Moiola CN 9 234 33747
Entracque CN 9 774 34521
Rittana CN 10 109 34630
Peveragno CN 11 5543 40173
Cervasca CN 11 5013 45186
Valloriate CN 11 109 45295
Limone Piemonte CN 12 1485 46780
Bernezzo CN 12 4104 50884
Cuneo CN 13 56081 106965
Beinette CN 15 3423 110388
Chiusa di Pesio CN 15 3676 114064
Caraglio CN 16 6836 120900
Demonte CN 16 2003 122903
Valgrana CN 16 786 123689
Monterosso Grana CN 19 505 124194
Montemale di Cuneo CN 19 241 124435
Pianfei CN 19 2202 126637
Margarita CN 20 1441 128078

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SW of Cuneo (56081 inhabitants)
57 Km NW of Sanremo (54807 inhabitants)
79 Km W of Savona (61345 inhabitants)
81 Km S of Moncalieri (57294 inhabitants)
88 Km SW of Asti (76202 inhabitants)
89 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
M 2.4 1986-09-12
09:54:13
44.288 7.496 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 33959
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-09-12 09:54:13 ± 0.222
Latitude 44.2880 ± 0.0196
Longitude 7.4960 ± 0.0156
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 33959

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) 2509.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.01069
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

M:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 33959
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
--.LMR.Z. 1986-09-12T09:54:37.20 10.0 undecidable manual PN 217 1.1877 0.66 0.7
--.LRG.Z. 1986-09-12T09:54:37.50 10.0 undecidable manual PN 224 1.1544 1.26 0.2
--.FRF.Z. 1986-09-12T09:54:33.80 10.0 undecidable manual PG 220 0.9435 1.08 0.3
--.FIN.Z. 1986-09-12T09:54:32.10 10.0 undecidable manual SG 98 0.5106 -0.66 0.2
--.IMP.Z. 1986-09-12T09:54:30.20 10.0 undecidable manual SG 142 0.4662 -1.01 0.1
--.SOO.Z. 1986-09-12T09:54:27.20 10.0 undecidable manual SG 307 0.3552 -0.33 0.4
--.ROB.Z. 1986-09-12T09:54:25.40 10.0 undecidable manual SG 86 0.2664 1.09 0.1
--.FIN.Z. 1986-09-12T09:54:24.20 10.0 undecidable manual PG 98 0.5106 -0.48 0.9
--.IMP.Z. 1986-09-12T09:54:23.20 10.0 undecidable manual PG 142 0.4662 -0.59 0.8
--.SBF.Z. 1986-09-12T09:54:22.90 10.0 undecidable manual PG 185 0.4218 -0.13 1.3
--.SOO.Z. 1986-09-12T09:54:21.10 10.0 undecidable manual PG 307 0.3552 -0.56 0.8
--.ROB.Z. 1986-09-12T09:54:20.10 10.0 undecidable manual PG 86 0.2664 0.3 2.6
--.STV.Z. 1986-09-12T09:54:19.10 10.0 undecidable manual SG 252 0.1221 0.12 0.9
--.STV.Z. 1986-09-12T09:54:16.90 10.0 undecidable manual PG 252 0.1221 0.17 3
--.ENR.Z. 1986-09-12T09:54:15.60 10.0 undecidable manual PG 221 0.0777 -0.31 2.6
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