Earthquake with magnitude of Md 2.3 on date 10-08-1996 and time 02:47:06 (Italy) in region 3 km NE Valgrisenche (AO)

A magnitude Md 2.3 earthquake occured in region: 3 km NE Valgrisenche (AO), on

  • 10-08-1996 00:47:06 (UTC)
  • 10-08-1996 02:47:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.6560, 7.0800 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
Valgrisenche AO 3 196 196
Rhêmes-Saint-Georges AO 6 194 390
Avise AO 8 305 695
Arvier AO 9 873 1568
Introd AO 9 658 2226
Saint-Nicolas AO 10 311 2537
Rhêmes-Notre-Dame AO 10 89 2626
La Salle AO 10 2087 4713
Villeneuve AO 11 1289 6002
Morgex AO 12 2104 8106
La Thuile AO 12 761 8867
Valsavarenche AO 12 161 9028
Saint-Pierre AO 13 3165 12193
Aymavilles AO 14 2086 14279
Pré-Saint-Didier AO 14 1050 15329
Sarre AO 16 4927 20256
Jovençan AO 17 736 20992
Courmayeur AO 17 2807 23799
Gressan AO 18 3387 27186

Municipalities with at least 50000 inhabitants

An earthquake occurred to
80 Km NW of Torino (890529 inhabitants)
87 Km NW 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 2.3
M 2.2
1996-08-10
00:47:06
45.656 7.08 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 250619
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-08-10 00:47:06 ± 0.159
Latitude 45.6560 ± 0.0193
Longitude 7.0800 ± 0.0100
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 250619

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) 2281.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 211
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.00599
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 250619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:57:05

M:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 250619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:42:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.BNI.Z. 1996-08-10T00:47:29.84 10.0 undecidable manual SG 204 0.666 -0.21 0.2
--.ORO.Z. 1996-08-10T00:47:28.71 10.0 undecidable manual SG 91 0.6327 -0.19 0.4
--.BNI.Z. 1996-08-10T00:47:20.66 10.0 undecidable manual PG 204 0.666 0.46 0.3
--.ORO.Z. 1996-08-10T00:47:19.56 10.0 undecidable manual PG 91 0.6327 0.02 1.8
--.LPL.Z. 1996-08-10T00:47:17.50 10.0 undecidable manual SG 240 0.2775 -0.17 0.5
--.LPG.Z. 1996-08-10T00:47:17.60 10.0 undecidable manual SG 235 0.2775 -0.03 0.8
--.LPL.Z. 1996-08-10T00:47:13.00 10.0 undecidable manual PG 240 0.2775 -0.05 2
--.LPG.Z. 1996-08-10T00:47:13.10 10.0 undecidable manual PG 235 0.2775 0.07 2.1
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