Earthquake with magnitude of Md 2.0 on date 29-05-1987 and time 08:21:07 (Italy) in region 2 km SE Robilante (CN)

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

  • 29-05-1987 06:21:07 (UTC)
  • 29-05-1987 08:21:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2800, 7.5270 at 4 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 2 2306 2306
Vernante CN 4 1178 3484
Roccavione CN 5 2761 6245
Roaschia CN 6 107 6352
Boves CN 6 9835 16187
Borgo San Dalmazzo CN 6 12468 28655
Peveragno CN 9 5543 34198
Limone Piemonte CN 10 1485 35683
Roccasparvera CN 10 741 36424
Vignolo CN 10 2600 39024
Valdieri CN 10 935 39959
Entracque CN 11 774 40733
Gaiola CN 11 582 41315
Moiola CN 12 234 41549
Cervasca CN 13 5013 46562
Rittana CN 13 109 46671
Cuneo CN 13 56081 102752
Chiusa di Pesio CN 13 3676 106428
Beinette CN 14 3423 109851
Valloriate CN 14 109 109960
Bernezzo CN 14 4104 114064
Caraglio CN 17 6836 120900
Pianfei CN 18 2202 123102
Roccaforte Mondovì CN 18 2085 125187
Demonte CN 19 2003 127190
Valgrana CN 19 786 127976
Margarita CN 19 1441 129417

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km S of Cuneo (56081 inhabitants)
55 Km NW of Sanremo (54807 inhabitants)
76 Km W of Savona (61345 inhabitants)
81 Km S of Moncalieri (57294 inhabitants)
87 Km SW of Asti (76202 inhabitants)
89 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 2.0 1987-05-29
06:21:07
44.28 7.527 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 48289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-05-29 06:21:07 ± 0.156
Latitude 44.2800 ± 0.0084
Longitude 7.5270 ± 0.0118
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 48289

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) 1318.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.01077
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 48289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:47:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.LRG.Z. 1987-05-29T06:21:47.40 10.0 undecidable manual SN 225 1.1655 0.14 0.5
--.LMR.Z. 1987-05-29T06:21:46.60 10.0 undecidable manual SN 218 1.1988 -1.12 0
--.FRF.Z. 1987-05-29T06:21:40.40 10.0 undecidable manual SG 221 0.9546 -0.54 0.3
--.LRG.Z. 1987-05-29T06:21:31.00 10.0 undecidable manual PN 225 1.1655 0.74 0.3
--.LMR.Z. 1987-05-29T06:21:30.40 10.0 undecidable manual PN 218 1.1988 -0.13 1.3
--.FRF.Z. 1987-05-29T06:21:27.20 10.0 undecidable manual PG 221 0.9546 0.58 0.6
--.SBF.Z. 1987-05-29T06:21:22.80 10.0 undecidable manual SG 188 0.4107 -0.55 0.3
--.DOI.Z. 1987-05-29T06:21:18.80 10.0 undecidable manual SG 317 0.2997 0.11 0.8
--.FIN.Z. 1987-05-29T06:21:18.10 10.0 undecidable manual PG 98 0.4884 0.11 1.9
--.IMI.Z. 1987-05-29T06:21:17.00 10.0 undecidable manual PG 144 0.444 -0.15 1.9
--.SBF.Z. 1987-05-29T06:21:16.50 10.0 undecidable manual PG 188 0.4107 0.04 2
--.PZZ.Z. 1987-05-29T06:21:15.10 10.0 undecidable manual PG 306 0.3774 -0.38 1.3
--.DOI.Z. 1987-05-29T06:21:13.50 10.0 undecidable manual PG 317 0.2997 -0.27 1.6
--.STV.Z. 1987-05-29T06:21:12.80 10.0 undecidable manual SG 258 0.1443 0.06 0.8
--.STV.Z. 1987-05-29T06:21:10.70 10.0 undecidable manual PG 258 0.1443 0.37 1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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