INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of Md 2.2 on date 14-12-1985 and time 22:00:16 (UTC) in region 8 km W Acceglio (CN)

A magnitude Md 2.2 earthquake occured in region: 8 km W Acceglio (CN), on

  • 14-12-1985 22:00:16 (UTC)
  • 14-12-1985 23:00:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5, 6.9 at 14 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
Acceglio CN 8 162 162
Prazzo CN 12 170 332
Bellino CN 13 109 441
Argentera CN 15 83 524
Canosio CN 15 80 604
Elva CN 16 97 701
Marmora CN 16 68 769
Casteldelfino CN 17 157 926
Pontechianale CN 17 179 1105
Stroppo CN 18 103 1208

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km W of Cuneo (56081 inhabitants)
83 Km SW of Moncalieri (57294 inhabitants)
88 Km SW 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 1985-12-14
22:00:16
44.5 6.9 14 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 18149
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-12-14 22:00:16 ± 0.259
Latitude 44.50 ± 0.01
Longitude 6.90 ± 0.02
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 18149

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) 2067
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 320
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.00874
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 18149
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:20:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.FIN.Z. 1985-12-14T22:00:49.30 10.0 undecidable manual SN 107 0.0087 0.04 0.6
--.IMP.Z. 1985-12-14T22:00:48.10 10.0 undecidable manual SG 129 0.0083 0.27 0.2
--.ROB.Z. 1985-12-14T22:00:41.40 10.0 undecidable manual SG 106 0.0065 -0.05 0.8
--.FIN.Z. 1985-12-14T22:00:35.30 10.0 undecidable manual PN 107 0.0087 -0.04 1.6
--.IMP.Z. 1985-12-14T22:00:34.70 10.0 undecidable manual PG 129 0.0083 0.19 1
--.ROB.Z. 1985-12-14T22:00:30.70 10.0 undecidable manual PG 106 0.0065 -0.13 1.5
--.STV.Z. 1985-12-14T22:00:30.50 10.0 undecidable manual SG 129 0.0036 -0.52 0
--.DA9.Z. 1985-12-14T22:00:26.50 10.0 undecidable manual SG 89 0.0022 0.21 0.4
--.STV.Z. 1985-12-14T22:00:24.80 10.0 undecidable manual PG 129 0.0036 -0.01 2.1
--.DA9.Z. 1985-12-14T22:00:22.00 10.0 undecidable manual PG 89 0.0022 -0.08 1.9
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