Earthquake with magnitude of Md 2.2 on date 03-04-1985 and time 15:57:37 (Italy) in region 4 km W Vernante (CN)

A magnitude Md 2.2 earthquake occured in region: 4 km W Vernante (CN), on

  • 03-04-1985 13:57:37 (UTC)
  • 03-04-1985 15:57:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.24, 7.49 at 8 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
Vernante CN 4 1178 1178
Roaschia CN 5 107 1285
Robilante CN 7 2306 3591
Entracque CN 7 774 4365
Limone Piemonte CN 8 1485 5850
Valdieri CN 9 935 6785
Roccavione CN 9 2761 9546
Borgo San Dalmazzo CN 10 12468 22014
Boves CN 12 9835 31849
Moiola CN 12 234 32083
Roccasparvera CN 12 741 32824
Gaiola CN 13 582 33406
Vignolo CN 14 2600 36006
Rittana CN 14 109 36115
Valloriate CN 14 109 36224
Peveragno CN 15 5543 41767
Cervasca CN 16 5013 46780
Bernezzo CN 17 4104 50884
Demonte CN 18 2003 52887
Chiusa di Pesio CN 18 3676 56563
Cuneo CN 18 56081 112644
Beinette CN 19 3423 116067

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km S of Cuneo (56081 inhabitants)
52 Km NW of Sanremo (54807 inhabitants)
80 Km W of Savona (61345 inhabitants)
86 Km S of Moncalieri (57294 inhabitants)
93 Km SW of Asti (76202 inhabitants)
94 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
Rev 1000 Md 2.2 1985-04-03
13:57:37
44.24 7.49 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 3979
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-03 13:57:37 ± 0.202
Latitude 44.24 ± 0.02
Longitude 7.49 ± 0.02
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 3979

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) 2523.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.0089
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 3979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:08:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BN9.Z. 1985-04-03T13:58:11.00 10.0 undecidable manual SG 324 0.0089 -0.72 0.3
--.CK1.Z. 1985-04-03T13:57:59.00 10.0 undecidable manual SG 71 0.0053 0.26 0.7
--.BN9.Z. 1985-04-03T13:57:58.00 10.0 undecidable manual PG 324 0.0089 0.79 0.6
--.FIN.Z. 1985-04-03T13:57:55.20 10.0 undecidable manual SG 92 0.0046 -1.08 0.2
--.IMP.Z. 1985-04-03T13:57:54.40 10.0 undecidable manual SG 137 0.0039 0.81 0.3
--.CK1.Z. 1985-04-03T13:57:50.00 10.0 undecidable manual PG 71 0.0053 0.29 1.8
--.ROB.Z. 1985-04-03T13:57:49.50 10.0 undecidable manual SG 76 0.0025 0.91 0.3
--.FIN.Z. 1985-04-03T13:57:47.40 10.0 undecidable manual PG 92 0.0046 -0.89 0.7
--.IMP.Z. 1985-04-03T13:57:46.90 10.0 undecidable manual PG 137 0.0039 0.16 2.2
--.ROB.Z. 1985-04-03T13:57:43.60 10.0 undecidable manual PG 76 0.0025 -0.25 2.1
--.STV.Z. 1985-04-03T13:57:42.40 10.0 undecidable manual SG 276 0.001 -0.18 0.8
--.STV.Z. 1985-04-03T13:57:40.10 10.0 undecidable manual PG 276 0.001 -0.28 2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download