Earthquake with magnitude of M 2.2 on date 05-09-1986 and time 15:33:16 (Italy) in region 2 km SW Vernante (CN)

A magnitude M 2.2 earthquake occured in region: 2 km SW Vernante (CN), on

  • 05-09-1986 13:33:16 (UTC)
  • 05-09-1986 15:33:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2380, 7.5190 at 9 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
Vernante CN 2 1178 1178
Roaschia CN 6 107 1285
Limone Piemonte CN 6 1485 2770
Robilante CN 6 2306 5076
Roccavione CN 9 2761 7837
Entracque CN 10 774 8611
Borgo San Dalmazzo CN 11 12468 21079
Valdieri CN 11 935 22014
Boves CN 11 9835 31849
Peveragno CN 13 5543 37392
Roccasparvera CN 13 741 38133
Moiola CN 14 234 38367
Gaiola CN 14 582 38949
Vignolo CN 14 2600 41549
Rittana CN 16 109 41658
Chiusa di Pesio CN 16 3676 45334
Valloriate CN 16 109 45443
Cervasca CN 17 5013 50456
Beinette CN 18 3423 53879
Cuneo CN 18 56081 109960
Bernezzo CN 18 4104 114064
Demonte CN 20 2003 116067

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km S of Cuneo (56081 inhabitants)
51 Km NW of Sanremo (54807 inhabitants)
77 Km W of Savona (61345 inhabitants)
86 Km S of Moncalieri (57294 inhabitants)
92 Km SW of Asti (76202 inhabitants)
94 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 2.2 1986-09-05
13:33:16
44.238 7.519 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 33699
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-09-05 13:33:16 ± 0.066
Latitude 44.2380 ± 0.0076
Longitude 7.5190 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 33699

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) 930.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00057
Epicentral distance of station farthest from the epicenter (degree) 0.00445
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

M:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 33699
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
--.FIN.Z. 1986-09-05T13:33:34.10 10.0 undecidable manual SG 93 0.4995 -0.05 0.5
--.SOO.Z. 1986-09-05T13:33:31.30 10.0 undecidable manual SG 311 0.3996 0.19 0.1
--.IMP.Z. 1986-09-05T13:33:31.60 10.0 undecidable manual SG 139 0.4107 -0.11 0.4
--.ROB.Z. 1986-09-05T13:33:26.90 10.0 undecidable manual SG 75 0.2553 0.25 0.4
--.FIN.Z. 1986-09-05T13:33:26.40 10.0 undecidable manual PG 93 0.4995 -0.14 0.9
--.IMP.Z. 1986-09-05T13:33:25.30 10.0 undecidable manual PG 139 0.4107 0.17 0.9
--.SOO.Z. 1986-09-05T13:33:24.40 10.0 undecidable manual PG 311 0.3996 -0.38 0.2
--.STV.Z. 1986-09-05T13:33:22.40 10.0 undecidable manual SG 275 0.1332 0.18 0.3
--.ROB.Z. 1986-09-05T13:33:22.20 10.0 undecidable manual PG 75 0.2553 -0.01 3.4
--.ENR.Z. 1986-09-05T13:33:20.10 10.0 undecidable manual SG 260 0.0666 -0.16 0.6
--.STV.Z. 1986-09-05T13:33:19.80 10.0 undecidable manual PG 275 0.1332 0.16 1
--.ENR.Z. 1986-09-05T13:33:18.50 10.0 undecidable manual PG 260 0.0666 -0.02 3.4
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