Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.3 on date 14-05-1986 and time 11:53:37 (Italy) in region 2 km NE Roaschia (CN)

A magnitude Md 2.3 earthquake occured in region: 2 km NE Roaschia (CN), on

  • 14-05-1986 09:53:37 (UTC)
  • 14-05-1986 11:53:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2850, 7.4720 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Roaschia CN 2 107 107
Robilante CN 3 2306 2413
Roccavione CN 4 2761 5174
Borgo San Dalmazzo CN 5 12468 17642
Valdieri CN 6 935 18577
Vernante CN 7 1178 19755
Roccasparvera CN 7 741 20496
Gaiola CN 8 582 21078
Entracque CN 8 774 21852
Moiola CN 8 234 22086
Boves CN 8 9835 31921
Vignolo CN 8 2600 34521
Rittana CN 9 109 34630
Valloriate CN 10 109 34739
Cervasca CN 11 5013 39752
Bernezzo CN 12 4104 43856
Limone Piemonte CN 12 1485 45341
Peveragno CN 13 5543 50884
Cuneo CN 14 56081 106965
Demonte CN 14 2003 108968
Caraglio CN 15 6836 115804
Valgrana CN 16 786 116590
Beinette CN 17 3423 120013
Chiusa di Pesio CN 17 3676 123689
Monterosso Grana CN 18 505 124194
Montemale di Cuneo CN 19 241 124435

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km SW of Cuneo (56081 inhabitants)
57 Km NW of Sanremo (54807 inhabitants)
80 Km W of Savona (61345 inhabitants)
82 Km S of Moncalieri (57294 inhabitants)
89 Km S of Torino (890529 inhabitants)
90 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 2.3 1986-05-14
09:53:37		 44.285 7.472 9 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 27389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-05-14 09:53:37 ± 0.16
Latitude 44.2850 ± 0.0163
Longitude 7.4720 ± 0.0173
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 27389

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) 2281.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
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) 0.01336
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 27389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:28:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CO9.Z. 1986-05-14T09:54:23.00 10.0 undecidable manual SN 70 1.4874 -0.25 0.4
--.BN9.Z. 1986-05-14T09:54:10.00 10.0 undecidable manual SG 323 0.9435 0.22 0.5
--.RSP.Z. 1986-05-14T09:54:06.00 10.0 undecidable manual SG 350 0.8769 -1.45 0
--.RRL.Z. 1986-05-14T09:54:04.70 10.0 undecidable manual SG 322 0.7992 -0.25 0.6
--.CO9.Z. 1986-05-14T09:54:04.00 10.0 undecidable manual PN 70 1.4874 0.23 1
--.CKI.Z. 1986-05-14T09:53:58.50 10.0 undecidable manual SG 76 0.5883 0.26 0.7
--.BN9.Z. 1986-05-14T09:53:56.00 10.0 undecidable manual PG 323 0.9435 0 1.5
--.IMP.Z. 1986-05-14T09:53:54.40 10.0 undecidable manual SG 140 0.4662 -0.12 0.7
--.RSP.Z. 1986-05-14T09:53:53.50 10.0 undecidable manual PG 350 0.8769 -1.15 0.1
--.RRL.Z. 1986-05-14T09:53:53.10 10.0 undecidable manual PG 322 0.7992 -0.11 1.6
--.SOO.Z. 1986-05-14T09:53:51.10 10.0 undecidable manual SG 309 0.3441 0.84 0.2
--.ROB.Z. 1986-05-14T09:53:49.40 10.0 undecidable manual SG 86 0.2775 0.94 0.1
--.CKI.Z. 1986-05-14T09:53:49.00 10.0 undecidable manual PG 76 0.5883 -0.33 1.5
--.DA9.Z. 1986-05-14T09:53:48.90 10.0 undecidable manual SG 323 0.2664 0.95 0.1
--.IMP.Z. 1986-05-14T09:53:46.90 10.0 undecidable manual PG 140 0.4662 -0.29 1.6
--.SOO.Z. 1986-05-14T09:53:44.90 10.0 undecidable manual PG 309 0.3441 0.17 1.8
--.DA9.Z. 1986-05-14T09:53:43.50 10.0 undecidable manual PG 323 0.2664 0.11 1.9
--.ROB.Z. 1986-05-14T09:53:43.80 10.0 undecidable manual PG 86 0.2775 0.11 1.9
--.STV.Z. 1986-05-14T09:53:42.20 10.0 undecidable manual SG 251 0.0999 -0.18 1.1
--.STV.Z. 1986-05-14T09:53:40.30 10.0 undecidable manual PG 251 0.0999 0.13 1.9
--.ENR.Z. 1986-05-14T09:53:39.40 10.0 undecidable manual PG 212 0.0666 -0.16 1.8
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