Earthquake with magnitude of Md 1.9 on date 09-05-1986 and time 02:52:13 (UTC) in region 3 km N Pradleves (CN)

A magnitude Md 1.9 earthquake occured in region: 3 km N Pradleves (CN), on

  • 09-05-1986 02:52:13 (UTC)
  • 09-05-1986 04:52:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4480, 7.2880 at 12 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
Pradleves CN 3 250 250
Cartignano CN 3 190 440
Monterosso Grana CN 5 505 945
San Damiano Macra CN 5 430 1375
Roccabruna CN 5 1585 2960
Dronero CN 7 7035 9995
Montemale di Cuneo CN 7 241 10236
Castelmagno CN 7 66 10302
Villar San Costanzo CN 8 1547 11849
Valgrana CN 9 786 12635
Celle di Macra CN 9 100 12735
Macra CN 10 59 12794
Caraglio CN 12 6836 19630
Valmala CN 12 52 19682
Melle CN 13 292 19974
Bernezzo CN 14 4104 24078
Frassino CN 14 265 24343
Valloriate CN 14 109 24452
Rittana CN 14 109 24561
Stroppo CN 14 103 24664
Demonte CN 15 2003 26667
Brossasco CN 15 1084 27751
Marmora CN 15 68 27819
Venasca CN 15 1437 29256
Gaiola CN 16 582 29838
Rossana CN 16 908 30746
Aisone CN 16 248 30994
Cervasca CN 16 5013 36007
Canosio CN 16 80 36087
Moiola CN 16 234 36321
Sampeyre CN 17 1022 37343
Busca CN 17 10181 47524
Roccasparvera CN 17 741 48265
Isasca CN 17 76 48341
Vignolo CN 18 2600 50941
Vinadio CN 18 644 51585
Elva CN 19 97 51682
Prazzo CN 19 170 51852
Piasco CN 19 2774 54626
Brondello CN 19 290 54916

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km W of Cuneo (56081 inhabitants)
69 Km SW of Moncalieri (57294 inhabitants)
76 Km SW of Torino (890529 inhabitants)
80 Km NW of Sanremo (54807 inhabitants)
88 Km SW of Asti (76202 inhabitants)
96 Km W of Savona (61345 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 1986-05-09
02:52:13
44.448 7.288 13 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 27029
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-05-09 02:52:13 ± 0.131
Latitude 44.4480 ± 0.0076
Longitude 7.2880 ± 0.0124
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 27029

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) 1299.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00057
Epicentral distance of station farthest from the epicenter (degree) 0.00623
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 27029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:28:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FIN.Z. 1986-05-09T02:52:37.30 10.0 undecidable manual SG 109 0.6882 -0.38 0.4
--.IMP.Z. 1986-05-09T02:52:36.70 10.0 undecidable manual SG 140 0.6882 -0.49 0.2
--.RRL.Z. 1986-05-09T02:52:33.80 10.0 undecidable manual SG 322 0.5883 -0.41 0.3
--.ROB.Z. 1986-05-09T02:52:29.00 10.0 undecidable manual SG 108 0.444 -0.41 0.3
--.IMP.Z. 1986-05-09T02:52:27.20 10.0 undecidable manual PG 140 0.6882 0.12 1.4
--.FIN.Z. 1986-05-09T02:52:27.40 10.0 undecidable manual PG 109 0.6882 0.04 1.5
--.RRL.Z. 1986-05-09T02:52:25.50 10.0 undecidable manual PG 322 0.5883 0.15 1.5
--.ENR.Z. 1986-05-09T02:52:22.80 10.0 undecidable manual SG 156 0.2331 -0.17 1.1
--.ROB.Z. 1986-05-09T02:52:22.70 10.0 undecidable manual PG 108 0.444 0.12 1.9
--.STV.Z. 1986-05-09T02:52:21.40 10.0 undecidable manual SG 171 0.1998 -0.26 0.6
--.ENR.Z. 1986-05-09T02:52:19.20 10.0 undecidable manual PG 156 0.2331 0.34 1.2
--.SOO.Z. 1986-05-09T02:52:19.30 10.0 undecidable manual SG 293 0.1443 -0.74 0.1
--.STV.Z. 1986-05-09T02:52:18.30 10.0 undecidable manual PG 171 0.1998 0.19 1.8
--.DA9.Z. 1986-05-09T02:52:18.00 10.0 undecidable manual SG 331 0.0666 -0.06 0.8
--.SOO.Z. 1986-05-09T02:52:17.20 10.0 undecidable manual PG 293 0.1443 0.02 2.2
--.DA9.Z. 1986-05-09T02:52:16.50 10.0 undecidable manual PG 331 0.0666 0.47 0.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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