Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.2 on date 01-09-1986 and time 18:32:11 (UTC) in region 1 km N Bellino (CN)

A magnitude Md 2.2 earthquake occured in region: 1 km N Bellino (CN), on

  • 01-09-1986 18:32:11 (UTC)
  • 01-09-1986 20:32:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5940, 7.0150 at 16 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bellino CN 1 109 109
Pontechianale CN 3 179 288
Casteldelfino CN 4 157 445
Elva CN 8 97 542
Prazzo CN 13 170 712
Acceglio CN 13 162 874
Stroppo CN 13 103 977
Sampeyre CN 14 1022 1999
Canosio CN 16 80 2079
Crissolo CN 16 168 2247
Marmora CN 16 68 2315
Macra CN 17 59 2374
Oncino CN 17 76 2450
Ostana CN 18 83 2533
Celle di Macra CN 18 100 2633

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km W of Cuneo (56081 inhabitants)
70 Km SW of Moncalieri (57294 inhabitants)
75 Km SW 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 2.2
M 2.2 		1986-09-01
18:32:11		 44.594 7.015 16 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 33439
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-09-01 18:32:11 ± 0.186
Latitude 44.5940 ± 0.0146
Longitude 7.0150 ± 0.0333
Depth (km) 16 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 33439

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) 3096.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 185
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.00842
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 33439
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:34:07

M:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 33439
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. 1986-09-01T18:32:42.60 10.0 undecidable manual SN 114 0.9324 -0.75 0.1
--.IMP.Z. 1986-09-01T18:32:42.80 10.0 undecidable manual SN 136 0.9213 -0.28 0.4
--.LSD.Z. 1986-09-01T18:32:41.50 10.0 undecidable manual SG 6 0.8658 -0.09 0.6
--.ROB.Z. 1986-09-01T18:32:35.20 10.0 undecidable manual SG 115 0.6771 -0.3 0.5
--.FIN.Z. 1986-09-01T18:32:30.00 10.0 undecidable manual PN 114 0.9324 0 1.4
--.IMP.Z. 1986-09-01T18:32:30.20 10.0 undecidable manual PN 136 0.9213 0.37 1
--.LSD.Z. 1986-09-01T18:32:29.50 10.0 undecidable manual PG 6 0.8658 0.52 0.7
--.BN9.Z. 1986-09-01T18:32:29.00 10.0 undecidable manual SG 332 0.5106 -1.35 0
--.ENR.Z. 1986-09-01T18:32:27.80 10.0 undecidable manual SG 141 0.4551 -1.02 0
--.STV.Z. 1986-09-01T18:32:26.50 10.0 undecidable manual SG 146 0.3996 -0.48 0.6
--.ROB.Z. 1986-09-01T18:32:25.90 10.0 undecidable manual PG 115 0.6771 0.43 1
--.RRL.Z. 1986-09-01T18:32:25.10 10.0 undecidable manual SG 333 0.3552 -0.45 0.4
--.BN9.Z. 1986-09-01T18:32:22.50 10.0 undecidable manual PG 332 0.5106 0.01 1.8
--.ENR.Z. 1986-09-01T18:32:21.30 10.0 undecidable manual PG 141 0.4551 -0.31 1.4
--.STV.Z. 1986-09-01T18:32:20.90 10.0 undecidable manual PG 146 0.3996 0.35 2.6
--.RRL.Z. 1986-09-01T18:32:19.80 10.0 undecidable manual PG 333 0.3552 0.07 1.8
--.SOO.Z. 1986-09-01T18:32:17.80 10.0 undecidable manual SG 145 0.111 -0.41 0.7
--.SOO.Z. 1986-09-01T18:32:15.70 10.0 undecidable manual PG 145 0.111 0.22 3.1
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