Earthquake with magnitude of Md 2.1 on date 03-08-1989 and time 18:57:08 (Italy) in region 6 km NW Cesana Torinese (TO)

A magnitude Md 2.1 earthquake occured in region: 6 km NW Cesana Torinese (TO), on

  • 03-08-1989 16:57:08 (UTC)
  • 03-08-1989 18:57:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.0020, 6.7710 at 13 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
Cesana Torinese TO 6 967 967
Oulx TO 6 3307 4274
Claviere TO 7 214 4488
Sauze d'Oulx TO 8 1109 5597
Sestriere TO 10 929 6526
Sauze di Cesana TO 10 244 6770
Bardonecchia TO 10 3215 9985
Salbertrand TO 12 596 10581
Pragelato TO 14 776 11357
Exilles TO 17 273 11630

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km W of Torino (890529 inhabitants)
72 Km W of Moncalieri (57294 inhabitants)
92 Km NW of Cuneo (56081 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 1989-08-03
16:57:08
45.002 6.771 13 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 96789
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-08-03 16:57:08 ± 0.33
Latitude 45.0020 ± 0.0115
Longitude 6.7710 ± 0.0265
Depth (km) 13 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 96789

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) 2448.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.00809
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 96789
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:30:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.LSD.Z. 1989-08-03T16:57:26.38 10.0 undecidable manual SG 30 0.5217 -0.94 0
--.PZZ.Z. 1989-08-03T16:57:26.89 10.0 undecidable manual SG 154 0.5439 -1.02 0
--.ENR.Z. 1989-08-03T16:57:25.97 10.0 undecidable manual PG 148 0.8991 -0.22 0.9
--.RSP.Z. 1989-08-03T16:57:22.27 10.0 undecidable manual SG 66 0.3663 -0.07 0.7
--.LSD.Z. 1989-08-03T16:57:19.40 10.0 undecidable manual PG 30 0.5217 0.09 1.5
--.PZZ.Z. 1989-08-03T16:57:19.81 10.0 undecidable manual PG 154 0.5439 0.16 1.3
--.RSP.Z. 1989-08-03T16:57:16.94 10.0 undecidable manual PG 66 0.3663 0.51 0.8
--.RRL.Z. 1989-08-03T16:57:13.66 10.0 undecidable manual SG 173 0.0777 0.08 0.7
--.BNI.Z. 1989-08-03T16:57:13.00 10.0 undecidable manual SG 307 0.0777 -0.58 0.4
--.BNI.Z. 1989-08-03T16:57:11.50 10.0 negative manual PG 307 0.0777 0.13 3.4
--.RRL.Z. 1989-08-03T16:57:11.71 10.0 undecidable manual PG 173 0.0777 0.34 1.2
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