Earthquake with magnitude of Md 2.1 on date 02-05-1986 and time 11:43:01 (Italy) in region SW Robilante (CN)

A magnitude Md 2.1 earthquake occured in region: SW Robilante (CN), on

  • 02-05-1986 09:43:01 (UTC)
  • 02-05-1986 11:43:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2930, 7.5070 at 9 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
Robilante CN 1 2306 2306
Roccavione CN 3 2761 5067
Borgo San Dalmazzo CN 4 12468 17535
Roaschia CN 5 107 17642
Boves CN 6 9835 27477
Vernante CN 6 1178 28655
Roccasparvera CN 8 741 29396
Vignolo CN 8 2600 31996
Valdieri CN 9 935 32931
Gaiola CN 9 582 33513
Moiola CN 10 234 33747
Peveragno CN 10 5543 39290
Entracque CN 10 774 40064
Rittana CN 11 109 40173
Cervasca CN 11 5013 45186
Limone Piemonte CN 12 1485 46671
Valloriate CN 12 109 46780
Cuneo CN 12 56081 102861
Bernezzo CN 12 4104 106965
Beinette CN 14 3423 110388
Chiusa di Pesio CN 14 3676 114064
Caraglio CN 15 6836 120900
Valgrana CN 16 786 121686
Demonte CN 17 2003 123689
Pianfei CN 18 2202 125891
Margarita CN 19 1441 127332
Roccaforte Mondovì CN 19 2085 129417
Montemale di Cuneo CN 19 241 129658
Monterosso Grana CN 19 505 130163
Castelletto Stura CN 20 1351 131514

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SW of Cuneo (56081 inhabitants)
57 Km NW of Sanremo (54807 inhabitants)
78 Km W of Savona (61345 inhabitants)
80 Km S of Moncalieri (57294 inhabitants)
87 Km SW of Asti (76202 inhabitants)
88 Km S of Torino (890529 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 2.1 1986-05-02
09:43:01
44.293 7.507 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 26289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-05-02 09:43:01 ± 0.178
Latitude 44.2930 ± 0.0126
Longitude 7.5070 ± 0.0129
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 26289

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) 1732.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.01077
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 26289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:27:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.LRG.Z. 1986-05-02T09:43:25.10 10.0 undecidable manual PN 224 1.1655 1.04 0.4
--.LMR.Z. 1986-05-02T09:43:25.00 10.0 undecidable manual PN 217 1.1988 0.63 0.9
--.FRF.Z. 1986-05-02T09:43:22.00 10.0 undecidable manual PG 220 0.9546 1.33 0.2
--.FIN.Z. 1986-05-02T09:43:19.50 10.0 undecidable manual SG 99 0.4995 -0.67 0.4
--.IMP.Z. 1986-05-02T09:43:18.10 10.0 undecidable manual SG 143 0.4551 -0.7 0.3
--.SOO.Z. 1986-05-02T09:43:14.90 10.0 undecidable manual SG 306 0.3552 -0.46 0.5
--.DA9.Z. 1986-05-02T09:43:13.00 10.0 undecidable manual SG 318 0.2775 0.13 0.8
--.ROB.Z. 1986-05-02T09:43:12.80 10.0 undecidable manual SG 87 0.2553 0.65 0.4
--.IMP.Z. 1986-05-02T09:43:11.40 10.0 undecidable manual PG 143 0.4551 -0.15 1.8
--.FIN.Z. 1986-05-02T09:43:11.90 10.0 undecidable manual PG 99 0.4995 -0.44 1.4
--.SBF.Z. 1986-05-02T09:43:10.70 10.0 undecidable manual PG 186 0.4329 -0.21 1.6
--.SOO.Z. 1986-05-02T09:43:09.10 10.0 undecidable manual PG 306 0.3552 -0.46 1.3
--.DA9.Z. 1986-05-02T09:43:08.30 10.0 undecidable manual PG 318 0.2775 0.18 2
--.ROB.Z. 1986-05-02T09:43:08.30 10.0 undecidable manual PG 87 0.2553 0.59 1.2
--.STV.Z. 1986-05-02T09:43:07.20 10.0 undecidable manual SG 252 0.1221 -0.38 0.6
--.STV.Z. 1986-05-02T09:43:04.90 10.0 undecidable manual PG 252 0.1221 -0.17 1.9
--.ENR.Z. 1986-05-02T09:43:03.90 10.0 undecidable manual PG 223 0.0888 -0.39 1.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download