Earthquake with magnitude of Md 2.1 on date 24-06-1985 and time 14:00:13 (Italy) in region 2 km NW Rittana (CN)

A magnitude Md 2.1 earthquake occured in region: 2 km NW Rittana (CN), on

  • 24-06-1985 12:00:13 (UTC)
  • 24-06-1985 14:00:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3600, 7.3870 at 7 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
Rittana CN 2 109 109
Valloriate CN 3 109 218
Gaiola CN 3 582 800
Moiola CN 4 234 1034
Roccasparvera CN 5 741 1775
Bernezzo CN 5 4104 5879
Valgrana CN 6 786 6665
Vignolo CN 7 2600 9265
Cervasca CN 7 5013 14278
Caraglio CN 7 6836 21114
Monterosso Grana CN 7 505 21619
Demonte CN 9 2003 23622
Borgo San Dalmazzo CN 9 12468 36090
Montemale di Cuneo CN 9 241 36331
Roccavione CN 9 2761 39092
Valdieri CN 9 935 40027
Pradleves CN 11 250 40277
Roaschia CN 11 107 40384
Dronero CN 12 7035 47419
Robilante CN 12 2306 49725
Entracque CN 13 774 50499
Roccabruna CN 14 1585 52084
Boves CN 14 9835 61919
Cuneo CN 14 56081 118000
Villar San Costanzo CN 14 1547 119547
Aisone CN 14 248 119795
Castelmagno CN 15 66 119861
Cartignano CN 15 190 120051
Vernante CN 17 1178 121229
San Damiano Macra CN 18 430 121659
Vinadio CN 18 644 122303
Busca CN 19 10181 132484
Peveragno CN 19 5543 138027
Tarantasca CN 20 2122 140149

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km W of Cuneo (56081 inhabitants)
68 Km NW of Sanremo (54807 inhabitants)
75 Km SW of Moncalieri (57294 inhabitants)
83 Km S of Torino (890529 inhabitants)
87 Km W of Savona (61345 inhabitants)
88 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 2.1 1985-06-24
12:00:13
44.36 7.387 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 9069
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-06-24 12:00:13 ± 0.492
Latitude 44.3600 ± 0.0222
Longitude 7.3870 ± 0.0788
Depth (km) 7 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 9069

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) 6732.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 243
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.00575
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 9069
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:12:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CK1.Z. 1985-06-24T12:00:36.00 10.0 undecidable manual SG 84 0.6327 -0.55 0
--.FIN.Z. 1985-06-24T12:00:35.30 10.0 undecidable manual SG 104 0.5994 -0.21 0.4
--.IMP.Z. 1985-06-24T12:00:34.40 10.0 undecidable manual SG 140 0.5661 -0.01 0.6
--.ROB.Z. 1985-06-24T12:00:28.00 10.0 undecidable manual SG 99 0.3552 0.67 0
--.CK1.Z. 1985-06-24T12:00:27.00 10.0 undecidable manual PG 84 0.6327 0.16 1.1
--.FIN.A. 1985-06-24T12:00:26.00 10.0 undecidable manual PG 104 0.5994 -0.25 0.8
--.IMP.Z. 1985-06-24T12:00:25.60 10.0 undecidable manual PG 140 0.5661 0 1.5
--.ROB.Z. 1985-06-24T12:00:21.60 10.0 undecidable manual PG 99 0.3552 0.08 3
--.STV.Z. 1985-06-24T12:00:16.50 10.0 undecidable manual PG 200 0.111 -0.05 1.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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