Earthquake with magnitude of M 2.2 on date 03-09-1986 and time 00:13:55 (UTC) in region 3 km S Castelmagno (CN)

A magnitude M 2.2 earthquake occured in region: 3 km S Castelmagno (CN), on

  • 03-09-1986 00:13:55 (UTC)
  • 03-09-1986 02:13:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3790, 7.2100 at 13 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
Castelmagno CN 4 66 66
Aisone CN 7 248 314
Pradleves CN 7 250 564
Vinadio CN 8 644 1208
Monterosso Grana CN 10 505 1713
Demonte CN 10 2003 3716
Sambuco CN 11 92 3808
Celle di Macra CN 12 100 3908
Cartignano CN 13 190 4098
Marmora CN 13 68 4166
San Damiano Macra CN 13 430 4596
Canosio CN 13 80 4676
Macra CN 14 59 4735
Valloriate CN 14 109 4844
Valgrana CN 14 786 5630
Montemale di Cuneo CN 15 241 5871
Pietraporzio CN 15 77 5948
Roccabruna CN 15 1585 7533
Rittana CN 16 109 7642
Stroppo CN 16 103 7745
Moiola CN 16 234 7979
Dronero CN 16 7035 15014
Gaiola CN 16 582 15596
Prazzo CN 17 170 15766
Caraglio CN 18 6836 22602
Villar San Costanzo CN 18 1547 24149
Bernezzo CN 18 4104 28253
Valdieri CN 19 935 29188
Roccasparvera CN 19 741 29929
Argentera CN 19 83 30012

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Cuneo (56081 inhabitants)
77 Km NW of Sanremo (54807 inhabitants)
79 Km SW of Moncalieri (57294 inhabitants)
86 Km SW of Torino (890529 inhabitants)
98 Km SW 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
M 2.2 1986-09-03
00:13:55
44.379 7.21 13 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 33509
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-09-03 00:13:55 ± 0.229
Latitude 44.3790 ± 0.0154
Longitude 7.2100 ± 0.0215
Depth (km) 13 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 33509

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) 2413.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.01044
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

M:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 33509
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. 1986-09-03T00:14:32.00 10.0 undecidable manual SN 205 1.1544 -1.31 0.1
--.LRG.Z. 1986-09-03T00:14:31.20 10.0 undecidable manual SN 213 1.11 -0.86 0.2
--.FRF.Z. 1986-09-03T00:14:25.60 10.0 undecidable manual SG 206 0.9102 -1.41 0
--.IMP.Z. 1986-09-03T00:14:18.40 10.0 undecidable manual SG 133 0.666 -0.93 0.2
--.LMR.Z. 1986-09-03T00:14:18.20 10.0 undecidable manual PN 205 1.1544 0.75 0.7
--.LRG.Z. 1986-09-03T00:14:17.20 10.0 undecidable manual PN 213 1.11 0.46 1.1
--.SBF.Z. 1986-09-03T00:14:15.20 10.0 undecidable manual SG 162 0.5439 0.09 0.8
--.FRF.Z. 1986-09-03T00:14:14.00 10.0 undecidable manual PG 206 0.9102 0.18 1.6
--.ROB.Z. 1986-09-03T00:14:12.70 10.0 undecidable manual SG 98 0.4773 -0.46 0.6
--.IMP.Z. 1986-09-03T00:14:09.20 10.0 undecidable manual PG 133 0.666 -0.18 1.9
--.SBF.Z. 1986-09-03T00:14:08.00 10.0 undecidable manual PG 162 0.5439 1.06 0.5
--.ROB.Z. 1986-09-03T00:14:05.70 10.0 undecidable manual PG 98 0.4773 -0.12 2.1
--.ENR.Z. 1986-09-03T00:14:04.40 10.0 undecidable manual SG 135 0.2109 -0.32 0.7
--.STV.Z. 1986-09-03T00:14:03.10 10.0 undecidable manual SG 146 0.1554 0.2 0.8
--.SOO.Z. 1986-09-03T00:14:01.90 10.0 undecidable manual SG 328 0.1443 -0.81 0.4
--.ENR.Z. 1986-09-03T00:14:00.80 10.0 undecidable manual PG 135 0.2109 -0.15 2.1
--.STV.Z. 1986-09-03T00:14:00.20 10.0 undecidable manual PG 146 0.1554 0.3 1.9
--.SOO.Z. 1986-09-03T00:13:59.80 10.0 undecidable manual PG 328 0.1443 0.01 2.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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