Earthquake with magnitude of Md 1.9 on date 15-09-1990 and time 20:29:44 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude Md 1.9 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 15-09-1990 18:29:44 (UTC)
  • 15-09-1990 20:29:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.0570, 6.6460 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 15 3307 6522
Claviere TO 15 214 6736
Cesana Torinese TO 16 967 7703
Sauze d'Oulx TO 17 1109 8812
Salbertrand TO 19 596 9408

Municipalities with at least 50000 inhabitants

An earthquake occurred to
81 Km W of Torino (890529 inhabitants)
82 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 1.9
M 2.0
1990-09-15
18:29:44
45.057 6.646 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 127319
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-09-15 18:29:44 ± 0.155
Latitude 45.0570 ± 0.0050
Longitude 6.6460 ± 0.0216
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 127319

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) 1785.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 219
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) 0.00016
Epicentral distance of station farthest from the epicenter (degree) 0.00890
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 127319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:58:25

M:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 127319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:48:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ENR.Z. 1990-09-15T18:30:03.54 10.0 undecidable manual PG 146 0.9879 -0.28 0.2
--.STV.Z. 1990-09-15T18:30:02.70 10.0 undecidable manual PG 148 0.9324 -0.09 0.9
--.LPG.Z. 1990-09-15T18:30:00.00 10.0 undecidable manual SG 9 0.444 -0.51 0
--.PZZ.Z. 1990-09-15T18:29:57.26 10.0 undecidable manual PG 149 0.6327 0.05 1.2
--.LSD.Z. 1990-09-15T18:29:55.32 10.0 undecidable manual PG 41 0.5328 0 1.4
--.RSP.Z. 1990-09-15T18:29:53.68 10.0 undecidable manual PG 77 0.444 0.14 1
--.LPG.Z. 1990-09-15T18:29:53.70 10.0 undecidable manual PG 9 0.444 0.06 1.4
--.RRL.Z. 1990-09-15T18:29:48.46 10.0 undecidable manual PG 144 0.1665 -0.02 1.5
--.BNI.Z. 1990-09-15T18:29:47.80 10.0 undecidable manual SG 102 0.0222 -0.04 0.6
--.BNI.Z. 1990-09-15T18:29:46.49 10.0 positive manual PG 102 0.0222 0.16 1.8
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