Earthquake with magnitude of Md 2.2 on date 29-03-1985 and time 10:58:34 (UTC) in region 3 km S Roccavione (CN)

A magnitude Md 2.2 earthquake occured in region: 3 km S Roccavione (CN), on

  • 29-03-1985 10:58:34 (UTC)
  • 29-03-1985 11:58:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.29, 7.48 at 10 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
Roaschia CN 3 107 107
Roccavione CN 3 2761 2868
Robilante CN 3 2306 5174
Borgo San Dalmazzo CN 4 12468 17642
Roccasparvera CN 6 741 18383
Valdieri CN 6 935 19318
Vernante CN 7 1178 20496
Gaiola CN 7 582 21078
Moiola CN 8 234 21312
Boves CN 8 9835 31147
Vignolo CN 8 2600 33747
Entracque CN 8 774 34521
Rittana CN 9 109 34630
Valloriate CN 10 109 34739
Cervasca CN 10 5013 39752
Bernezzo CN 11 4104 43856
Peveragno CN 12 5543 49399
Limone Piemonte CN 13 1485 50884
Cuneo CN 13 56081 106965
Demonte CN 14 2003 108968
Caraglio CN 15 6836 115804
Valgrana CN 15 786 116590
Beinette CN 16 3423 120013
Chiusa di Pesio CN 17 3676 123689
Monterosso Grana CN 18 505 124194
Montemale di Cuneo CN 18 241 124435

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SW of Cuneo (56081 inhabitants)
58 Km NW of Sanremo (54807 inhabitants)
80 Km W of Savona (61345 inhabitants)
81 Km S of Moncalieri (57294 inhabitants)
89 Km S of Torino (890529 inhabitants)
89 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
Rev 1000 Md 2.2 1985-03-29
10:58:34
44.29 7.48 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 3769
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-03-29 10:58:34 ± 0.438
Latitude 44.29 ± 0.12
Longitude 7.48 ± 0.04
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 3769

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) 13594
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 188
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
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) 0.00526
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 3769
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:08:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CK1.Z. 1985-03-29T10:58:54.50 10.0 undecidable manual SG 77 0.0053 -0.82 0
--.CK1.Z. 1985-03-29T10:58:47.00 10.0 undecidable manual PG 77 0.0053 0.47 0.3
--.ROB.Z. 1985-03-29T10:58:45.50 10.0 undecidable manual SG 87 0.0025 -0.07 0.8
--.ROB.Z. 1985-03-29T10:58:40.90 10.0 undecidable manual PG 87 0.0025 0 1.4
--.STV.Z. 1985-03-29T10:58:40.00 10.0 undecidable manual SG 248 0.001 -0.04 0.8
--.STV.Z. 1985-03-29T10:58:37.60 10.0 positive manual PG 248 0.001 -0.1 2.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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