Earthquake with magnitude of ML 1.1 on date 31-07-2011 and time 09:54:43 (UTC) in region V3 Val Venosta (ITALIA, SVIZZERA, AUSTRIA)

A magnitude ML 1.1 earthquake occured in region: V3 Val Venosta (ITALIA, SVIZZERA, AUSTRIA), on

  • 31-07-2011 09:54:43 (UTC)
  • 31-07-2011 11:54:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.7520, 10.3330 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
Tubre BZ 15 977 977
Curon Venosta BZ 17 2381 3358
Malles Venosta BZ 18 5162 8520
Glorenza BZ 19 896 9416

Municipalities with at least 50000 inhabitants

An earthquake occurred to
83 Km W of Bolzano (106441 inhabitants)
97 Km NW of Trento (117317 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
ML 1.1
2011-07-31
09:54:43
46.752 10.333 13 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1266389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-07-31 09:54:43 ± 0.2
Latitude 46.7520 ± 0.0144
Longitude 10.3330 ± 0.0210
Depth (km) 13 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1266389

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1791
Semi-minor axis of confidence ellipse (meter) 1131
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 2262.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 217
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31206
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1266389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 00:59:16

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1266389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 00:59:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.DAVOX.HHE. 2011-07-31T09:54:55.28 0.6 undecidable manual Sg 275 34.6431 0.09 64
IV.BRMO.HHZ. 2011-07-31T09:54:53.95 0.6 undecidable manual Sg 174 30.747 -0.222 63
SI.MOSI.HHZ. 2011-07-31T09:54:52.12 0.6 undecidable manual Sg 132 22.2555 0.194 64
IV.BRMO.HHZ. 2011-07-31T09:54:50.07 0.6 undecidable manual Pg 174 30.747 0.416 61
CH.FUORN.HHN. 2011-07-31T09:54:50.11 0.6 undecidable manual Sg 200 15.5733 -0.065 67
CH.DAVOX.HHE. 2011-07-31T09:54:50.14 0.3 undecidable manual Pg 275 34.6431 -0.103 96
SI.MOSI.HHZ. 2011-07-31T09:54:48.13 0.3 undecidable manual Pg 132 22.2555 -0.23 96
CH.FUORN.HHN. 2011-07-31T09:54:47.43 0.3 undecidable manual Pg 200 15.5733 0.083 100
IV.MGAB.HHN. 2011-07-31T09:54:34.88 10.0 undecidable manual Pg 0 0 0
CH.FUSIO.HHE. 2011-07-31T09:54:31.86 10.0 undecidable manual Sg 0 0 0
CH.FUSIO.HHE. 2011-07-31T09:54:28.80 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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