Earthquake with magnitude of Md 2.0 on date 05-05-1986 and time 11:40:39 (Italy) in region 2 km E Macra (CN)

A magnitude Md 2.0 earthquake occured in region: 2 km E Macra (CN), on

  • 05-05-1986 09:40:39 (UTC)
  • 05-05-1986 11:40:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5010, 7.2070 at 18 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
Macra CN 2 59 59
Celle di Macra CN 3 100 159
San Damiano Macra CN 4 430 589
Stroppo CN 6 103 692
Cartignano CN 7 190 882
Sampeyre CN 9 1022 1904
Frassino CN 10 265 2169
Marmora CN 10 68 2237
Castelmagno CN 10 66 2303
Elva CN 10 97 2400
Pradleves CN 11 250 2650
Roccabruna CN 11 1585 4235
Canosio CN 11 80 4315
Melle CN 11 292 4607
Prazzo CN 12 170 4777
Valmala CN 12 52 4829
Dronero CN 13 7035 11864
Monterosso Grana CN 14 505 12369
Villar San Costanzo CN 14 1547 13916
Brossasco CN 15 1084 15000
Casteldelfino CN 15 157 15157
Montemale di Cuneo CN 15 241 15398
Venasca CN 17 1437 16835
Isasca CN 17 76 16911
Valgrana CN 17 786 17697
Acceglio CN 17 162 17859
Bellino CN 17 109 17968
Gambasca CN 18 371 18339
Rossana CN 19 908 19247
Sanfront CN 19 2395 21642
Martiniana Po CN 19 734 22376
Brondello CN 19 290 22666
Pontechianale CN 20 179 22845
Oncino CN 20 76 22921
Caraglio CN 20 6836 29757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Cuneo (56081 inhabitants)
67 Km SW of Moncalieri (57294 inhabitants)
74 Km SW of Torino (890529 inhabitants)
89 Km NW of Sanremo (54807 inhabitants)
91 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 2.0 1986-05-05
09:40:39
44.501 7.207 18 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 26589
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-05-05 09:40:39 ± 0.291
Latitude 44.5010 ± 0.0234
Longitude 7.2070 ± 0.0406
Depth (km) 18 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 26589

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) 4140.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00024
Epicentral distance of station farthest from the epicenter (degree) 0.00858
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 26589
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:28:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.LSD.Z. 1986-05-05T09:41:10.60 10.0 undecidable manual SN 357 0.9546 -0.86 0.3
--.FIN.Z. 1986-05-05T09:41:05.30 10.0 undecidable manual SG 111 0.7659 -1.33 0
--.IMP.Z. 1986-05-05T09:41:05.10 10.0 undecidable manual SG 139 0.7548 -1.22 0.1
--.ROB.Z. 1986-05-05T09:40:59.60 10.0 undecidable manual SG 112 0.5106 1.15 0.1
--.LSD.Z. 1986-05-05T09:40:58.90 10.0 undecidable manual PN 357 0.9546 0.82 0.5
--.RRL.Z. 1986-05-05T09:40:57.40 10.0 undecidable manual SG 324 0.5106 -1.07 0.1
--.IMP.Z. 1986-05-05T09:40:55.10 10.0 undecidable manual PG 139 0.7548 -0.01 1.5
--.FIN.Z. 1986-05-05T09:40:55.40 10.0 undecidable manual PG 111 0.7659 0.11 1.5
--.ENR.Z. 1986-05-05T09:40:51.60 10.0 undecidable manual SG 150 0.3108 -0.58 0.7
--.ROB.Z. 1986-05-05T09:40:50.80 10.0 undecidable manual PG 112 0.5106 0.24 1.8
--.RRL.Z. 1986-05-05T09:40:50.50 10.0 undecidable manual PG 324 0.5106 -0.07 1.9
--.STV.Z. 1986-05-05T09:40:50.30 10.0 undecidable manual SG 160 0.2553 -0.42 0.9
--.ENR.Z. 1986-05-05T09:40:47.20 10.0 undecidable manual PG 150 0.3108 0.26 1.7
--.STV.Z. 1986-05-05T09:40:46.70 10.0 undecidable manual PG 160 0.2553 0.6 1.1
--.DA9.Z. 1986-05-05T09:40:43.30 10.0 undecidable manual PG 83 0.0222 0.13 1.9
--.SOO.Z. 1986-05-05T09:40:43.50 10.0 undecidable manual PG 273 0.0666 0.03 1.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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