Earthquake with magnitude of Md 1.9 on date 09-06-1986 and time 09:25:06 (Italy) in region 2 km SE Valdieri (CN)

A magnitude Md 1.9 earthquake occured in region: 2 km SE Valdieri (CN), on

  • 09-06-1986 07:25:06 (UTC)
  • 09-06-1986 09:25:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.27, 7.42 at 10 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
Valdieri CN 2 935 935
Roaschia CN 3 107 1042
Entracque CN 3 774 1816
Moiola CN 6 234 2050
Roccavione CN 7 2761 4811
Gaiola CN 8 582 5393
Robilante CN 8 2306 7699
Roccasparvera CN 9 741 8440
Valloriate CN 9 109 8549
Borgo San Dalmazzo CN 9 12468 21017
Rittana CN 10 109 21126
Vernante CN 10 1178 22304
Demonte CN 11 2003 24307
Vignolo CN 11 2600 26907
Boves CN 13 9835 36742
Cervasca CN 14 5013 41755
Bernezzo CN 14 4104 45859
Limone Piemonte CN 15 1485 47344
Valgrana CN 16 786 48130
Aisone CN 17 248 48378
Caraglio CN 17 6836 55214
Peveragno CN 17 5543 60757
Monterosso Grana CN 18 505 61262
Cuneo CN 18 56081 117343
Montemale di Cuneo CN 19 241 117584
Vinadio CN 20 644 118228

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km SW of Cuneo (56081 inhabitants)
58 Km NW of Sanremo (54807 inhabitants)
84 Km S of Moncalieri (57294 inhabitants)
85 Km W of Savona (61345 inhabitants)
92 Km S of Torino (890529 inhabitants)
94 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
Md 1.9
M 2.0
1986-06-09
07:25:06
44.27 7.42 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 28999
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-06-09 07:25:06 ± 0.259
Latitude 44.27 ± 0.02
Longitude 7.42 ± 0.02
Depth (km) 10 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 28999

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) 3140.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.00032
Epicentral distance of station farthest from the epicenter (degree) 0.0051
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 28999
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:30:24

M:2

Field Value
Value 2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 28999
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 Takeoff_angle Residual Weight
--.FIN.Z. 1986-06-09T07:25:26.50 10.0 undecidable manual SG 95 0.0051 -0.26 0.4
--.IMP.Z. 1986-06-09T07:25:23.40 10.0 undecidable manual SG 135 0.0044 -0.76 0.1
--.ROB.Z. 1986-06-09T07:25:19.70 10.0 undecidable manual SG 83 0.0029 0.69 0.2
--.FIN.Z. 1986-06-09T07:25:18.10 10.0 undecidable manual PG 95 0.0051 -0.14 1.2
--.SOO.Z. 1986-06-09T07:25:18.70 10.0 undecidable manual SG 316 0.0029 -0.4 0.4
--.IMP.Z. 1986-06-09T07:25:17.20 10.0 undecidable manual PG 135 0.0044 0.46 0.8
--.DA9.Z. 1986-06-09T07:25:16.50 10.0 undecidable manual SG 332 0.0023 -0.6 0.2
--.SOO.Z. 1986-06-09T07:25:14.10 10.0 undecidable manual PG 316 0.0029 0.28 1.4
--.ROB.Z. 1986-06-09T07:25:14.00 10.0 undecidable manual PG 83 0.0029 0.23 1.5
--.DA9.Z. 1986-06-09T07:25:12.50 10.0 undecidable manual PG 332 0.0023 -0.17 1.7
--.STV.Z. 1986-06-09T07:25:11.20 10.0 undecidable manual SG 256 0.0006 0.29 0.8
--.STV.Z. 1986-06-09T07:25:09.40 10.0 undecidable manual PG 256 0.0006 0.31 2.7
--.ENR.Z. 1986-06-09T07:25:08.30 10.0 undecidable manual PG 178 0.0003 -0.5 1.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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Type Description Link
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