Earthquake with magnitude of Md 2.3 on date 01-09-1986 and time 18:20:02 (UTC) in region 2 km SE Pontechianale (CN)

A magnitude Md 2.3 earthquake occured in region: 2 km SE Pontechianale (CN), on

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

and geographic coordinates (lat, lon) 44.6030, 7.0390 at 11 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
Pontechianale CN 2 179 179
Casteldelfino CN 3 157 336
Bellino CN 3 109 445
Elva CN 8 97 542
Sampeyre CN 12 1022 1564
Stroppo CN 13 103 1667
Prazzo CN 13 170 1837
Crissolo CN 14 168 2005
Acceglio CN 15 162 2167
Oncino CN 15 76 2243
Ostana CN 16 83 2326
Macra CN 16 59 2385
Marmora CN 17 68 2453
Canosio CN 17 80 2533
Celle di Macra CN 17 100 2633
Frassino CN 19 265 2898

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km W of Cuneo (56081 inhabitants)
68 Km SW of Moncalieri (57294 inhabitants)
73 Km SW of Torino (890529 inhabitants)
98 Km W of Asti (76202 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 2.3 1986-09-01
18:20:02
44.603 7.039 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 33429
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-09-01 18:20:02 ± 0.178
Latitude 44.6030 ± 0.0144
Longitude 7.0390 ± 0.0304
Depth (km) 11 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 33429

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) 2891.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
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) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.01190
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 33429
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:34:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.LMR.Z. 1986-09-01T18:20:44.10 10.0 undecidable manual SN 196 1.3209 -0.63 0.2
--.LRG.Z. 1986-09-01T18:20:42.70 10.0 undecidable manual SN 203 1.2432 -0.18 0.4
--.FRF.Z. 1986-09-01T18:20:37.30 10.0 undecidable manual SN 195 1.0767 -1.6 0
--.IMP.Z. 1986-09-01T18:20:33.30 10.0 undecidable manual SG 138 0.9213 -1.07 0.2
--.LPL.Z. 1986-09-01T18:20:33.60 10.0 undecidable manual SG 346 0.9324 -1.35 0.1
--.FIN.Z. 1986-09-01T18:20:32.70 10.0 undecidable manual SG 114 0.9213 -1.8 0
--.LPG.Z. 1986-09-01T18:20:32.80 10.0 undecidable manual SG 347 0.9102 -1.52 0.1
--.LSD.Z. 1986-09-01T18:20:31.40 10.0 undecidable manual SG 5 0.8547 -1.02 0.2
--.SBF.Z. 1986-09-01T18:20:29.60 10.0 undecidable manual SG 158 0.7881 -0.7 0.4
--.LMR.Z. 1986-09-01T18:20:28.00 10.0 undecidable manual PN 196 1.3209 0.93 0.5
--.LRG.Z. 1986-09-01T18:20:27.30 10.0 undecidable manual PN 203 1.2432 1.29 0.2
--.ROB.Z. 1986-09-01T18:20:26.20 10.0 undecidable manual SG 116 0.666 -0.09 0.9
--.FRF.Z. 1986-09-01T18:20:23.60 10.0 undecidable manual PN 195 1.0767 -0.1 1.3
--.CKI.Z. 1986-09-01T18:20:21.00 10.0 undecidable manual PG 101 0.8991 0.2 1.4
--.LPL.Z. 1986-09-01T18:20:21.50 10.0 undecidable manual PG 346 0.9324 0.07 1.4
--.FIN.Z. 1986-09-01T18:20:21.10 10.0 undecidable manual PG 114 0.9213 -0.07 1.4
--.LPG.Z. 1986-09-01T18:20:21.30 10.0 undecidable manual PG 347 0.9102 0.23 1.3
--.BN9.Z. 1986-09-01T18:20:20.20 10.0 undecidable manual SG 330 0.5106 -1.26 0.2
--.LSD.Z. 1986-09-01T18:20:20.60 10.0 undecidable manual PG 5 0.8547 0.63 0.9
--.IMP.Z. 1986-09-01T18:20:20.70 10.0 undecidable manual PG 138 0.9213 -0.39 1.2
--.SBF.Z. 1986-09-01T18:20:19.20 10.0 undecidable manual PG 158 0.7881 0.46 1.2
--.ENR.Z. 1986-09-01T18:20:18.60 10.0 undecidable manual SG 143 0.4551 -1.17 0.2
--.STV.Z. 1986-09-01T18:20:17.10 10.0 undecidable manual SG 149 0.3996 -0.86 0.4
--.ROB.Z. 1986-09-01T18:20:16.80 10.0 undecidable manual PG 116 0.666 0.37 2.6
--.RRL.Z. 1986-09-01T18:20:15.70 10.0 undecidable manual SG 330 0.3552 -0.88 0.4
--.BN9.Z. 1986-09-01T18:20:13.80 10.0 undecidable manual PG 330 0.5106 0.16 1.5
--.ENR.Z. 1986-09-01T18:20:12.40 10.0 undecidable manual PG 143 0.4551 -0.27 2.9
--.STV.Z. 1986-09-01T18:20:11.60 10.0 undecidable manual PG 149 0.3996 -0.02 3.1
--.RRL.Z. 1986-09-01T18:20:10.90 10.0 undecidable manual PG 330 0.3552 0.08 3.1
--.SOO.Z. 1986-09-01T18:20:06.60 10.0 undecidable manual PG 155 0.0999 0.45 2.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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