Earthquake with magnitude of ML 2.1 on date 31-10-2010 and time 23:14:16 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude ML 2.1 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 31-10-2010 22:14:16 (UTC)
  • 31-10-2010 23:14:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.1160, 6.5830 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 10 3215 3215

Municipalities with at least 50000 inhabitants

An earthquake occurred to
86 Km W of Torino (890529 inhabitants)
88 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 2.1
ML 2.1
2010-10-31
22:14:16
45.116 6.583 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1137979
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-10-31 22:14:16 ± 0.24
Latitude 45.1160 ± 0.0054
Longitude 6.5830 ± 0.0191
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1137979

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1509
Semi-minor axis of confidence ellipse (meter) 392
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 271
Circular confidence region, given by single value of horizontal uncertainty (meter) 1615.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 239
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.90921
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1137979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:06:08

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1137979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:06:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.TRAV.HHE. 2010-10-31T22:14:46.17 0.1 undecidable manual Sg 64 100.9212 0.296 80
GU.CIRO.HHE. 2010-10-31T22:14:43.26 0.3 undecidable manual Sg 55 93.8394 -0.729 53
IV.DOI.HHE. 2010-10-31T22:14:42.17 0.1 undecidable manual Sg 142 85.6476 0.37 82
GU.PZZ.HHZ. 2010-10-31T22:14:40.15 0.1 undecidable manual Sg 148 79.5648 -0.025 88
IV.MRGE.HHE. 2010-10-31T22:14:40.39 0.3 undecidable manual Sg 27 81.5517 -0.309 62
GU.BHB.HHZ. 2010-10-31T22:14:35.00 0.1 undecidable manual Sg 120 61.7937 -0.441 84
GU.TRAV.HHE. 2010-10-31T22:14:33.93 0.1 undecidable manual Pg 64 100.9212 0.542 76
GU.LSD.HHN. 2010-10-31T22:14:33.93 0.1 undecidable manual Sg 48 57.498 -0.355 86
GU.RSP.HHN. 2010-10-31T22:14:33.54 0.1 undecidable manual Sg 86 53.502 0.311 88
GU.CIRO.HHE. 2010-10-31T22:14:32.73 0.1 undecidable manual Pg 55 93.8394 0.429 79
IV.DOI.HHE. 2010-10-31T22:14:31.05 0.1 undecidable manual Pg 142 85.6476 0.011 88
IV.MRGE.HHE. 2010-10-31T22:14:30.20 0.1 undecidable manual Pg 27 81.5517 -0.196 85
GU.PZZ.HHZ. 2010-10-31T22:14:29.95 0.1 undecidable manual Pg 148 79.5648 -0.142 86
GU.BHB.HHZ. 2010-10-31T22:14:27.66 0.1 undecidable manual Pg 120 61.7937 0.293 87
GU.RSP.HHN. 2010-10-31T22:14:26.49 0.1 undecidable manual Pg 86 53.502 0.407 86
GU.LSD.HHN. 2010-10-31T22:14:26.72 0.1 undecidable manual Pg 48 57.498 0.023 92
GU.RRL.HHZ. 2010-10-31T22:14:25.97 0.1 undecidable manual Sg 143 27.0507 -0.207 94
IV.STR4.BHZ. 2010-10-31T22:14:23.73 10.0 undecidable manual Pg 0 0 0
MN.BNI.HHE. 2010-10-31T22:14:21.15 0.1 undecidable manual Sg 134 10.0788 -0.208 97
GU.RRL.HHZ. 2010-10-31T22:14:21.77 0.1 undecidable manual Pg 143 27.0507 -0.24 93
IV.STR3.BHE. 2010-10-31T22:14:21.50 10.0 undecidable manual Pg 0 0 0
MN.BNI.HHE. 2010-10-31T22:14:19.28 0.1 undecidable manual Pg 134 10.0788 0.05 100
IV.ARVD.HHN. 2010-10-31T22:14:05.90 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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