Earthquake with magnitude of ML 1.2 on date 19-08-2011 and time 19:27:45 (Italy) in region V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA)

A magnitude ML 1.2 earthquake occured in region: V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA), on

  • 19-08-2011 17:27:45 (UTC)
  • 19-08-2011 19:27:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.0210, 6.9320 at 7 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 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
ML 1.2 2011-08-19
17:27:45
46.021 6.932 7 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1274599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-08-19 17:27:45 ± 0.18
Latitude 46.0210 ± 0.0099
Longitude 6.9320 ± 0.0155
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1274599

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1176
Semi-minor axis of confidence ellipse (meter) 888
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 1627.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.58
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.90202
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 1274599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:10:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.STR3.BHN. 2011-08-19T17:28:40.75 10.0 undecidable manual Pg 0 0 0
IV.MTGR.SHZ. 2011-08-19T17:28:32.08 10.0 undecidable manual Pg 0 0 0
IV.PTF.SHE. 2011-08-19T17:28:29.84 10.0 undecidable manual Pg 0 0 0
GU.RSP.HHE. 2011-08-19T17:28:14.85 1.0 undecidable manual Sg 165 100.122 -0.587 19
GU.TRAV.HHN. 2011-08-19T17:28:10.81 0.6 undecidable manual Sg 131 84.5487 -0.463 40
IV.CELB.HHN. 2011-08-19T17:28:05.01 10.0 undecidable manual Pg 0 0 0
GU.LSD.HHN. 2011-08-19T17:28:04.86 0.3 undecidable manual Sg 166 64.1913 -0.971 51
GU.RSP.HHE. 2011-08-19T17:28:03.61 0.3 undecidable manual Pg 165 100.122 0.882 50
GU.TRAV.HHN. 2011-08-19T17:28:00.89 0.3 undecidable manual Pg 131 84.5487 0.569 58
CH.GIMEL.HHN. 2011-08-19T17:27:58.86 0.6 undecidable manual Pg 318 76.4679 -0.22 43
CH.DIX.HHN. 2011-08-19T17:27:58.26 0.1 undecidable manual Sg 80 37.2294 -0.258 92
GU.LSD.HHN. 2011-08-19T17:27:57.32 0.1 undecidable manual Pg 166 64.1913 0.14 90
IV.MRGE.HHN. 2011-08-19T17:27:55.79 0.1 undecidable manual Sg 160 29.5482 -0.121 96
CH.DIX.HHN. 2011-08-19T17:27:53.28 0.1 undecidable manual Pg 80 37.2294 0.322 91
IV.MRGE.HHN. 2011-08-19T17:27:51.72 0.1 undecidable manual Pg 160 29.5482 0.266 93
CH.EMV.HHZ. 2011-08-19T17:27:48.12 0.1 undecidable manual Sg 332 5.3946 -0.337 95
CH.EMV.HHZ. 2011-08-19T17:27:47.26 0.1 undecidable manual Pg 332 5.3946 0.112 100
IV.SGTA.HHZ. 2011-08-19T17:27:43.56 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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