Earthquake with magnitude of Md 2.0 on date 01-09-1985 and time 11:31:08 (Italy) in region 5 km NE Bardonecchia (TO)

A magnitude Md 2.0 earthquake occured in region: 5 km NE Bardonecchia (TO), on

  • 01-09-1985 09:31:08 (UTC)
  • 01-09-1985 11:31:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.1160, 6.7410 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
Bardonecchia TO 5 3215 3215
Oulx TO 12 3307 6522
Salbertrand TO 12 596 7118
Sauze d'Oulx TO 13 1109 8227
Exilles TO 15 273 8500
Cesana Torinese TO 19 967 9467
Chiomonte TO 19 916 10383
Pragelato TO 19 776 11159
Claviere TO 20 214 11373

Municipalities with at least 50000 inhabitants

An earthquake occurred to
74 Km W of Torino (890529 inhabitants)
75 Km W of Moncalieri (57294 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 2.0 1985-09-01
09:31:08
45.116 6.741 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 12599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-09-01 09:31:08 ± 2.358
Latitude 45.1160 ± 0.1523
Longitude 6.7410 ± 0.1098
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 12599

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) 18999.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 294
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1
Epicentral distance of station closest to the epicenter (degree) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.01603
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:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 12599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:15:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FRF.Z. 1985-09-01T09:31:58.30 10.0 undecidable manual SN 182 1.554 2.46 0.1
--.LMR.Z. 1985-09-01T09:31:40.20 10.0 undecidable manual PN 185 1.776 1.23 0.7
--.LRG.Z. 1985-09-01T09:31:38.20 10.0 undecidable manual PN 189 1.6761 0.69 1.2
--.FRF.Z. 1985-09-01T09:31:36.60 10.0 undecidable manual PN 182 1.554 0.83 1.1
--.DA9.Z. 1985-09-01T09:31:32.00 10.0 undecidable manual SG 149 0.6993 -1.04 0.5
--.DA9.Z. 1985-09-01T09:31:21.50 10.0 undecidable manual PG 149 0.6993 -1.11 1.2
--.BN9.Z. 1985-09-01T09:31:11.50 10.0 undecidable manual SG 214 0.0666 -1.44 0.3
--.BN9.Z. 1985-09-01T09:31:10.20 10.0 positive manual PG 214 0.0666 -0.8 2.9
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