Earthquake with magnitude of ML 1.7 on date 31-10-2011 and time 04:13:02 (UTC) in region 2 km W Avio (TN)

A magnitude ML 1.7 earthquake occured in region: 2 km W Avio (TN), on

  • 31-10-2011 04:13:02 (UTC)
  • 31-10-2011 05:13:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.7300, 10.9200 at 4 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
Avio TN 2 4133 4133
Ala TN 7 8913 13046
Ferrara di Monte Baldo VR 8 226 13272
Brentino Belluno VR 8 1395 14667
Malcesine VR 9 3736 18403
Brentonico TN 10 4015 22418
Erbezzo VR 12 740 23158
Sant'Anna d'Alfaedo VR 12 2553 25711
Brenzone sul Garda VR 12 2474 28185
Limone sul Garda BS 14 1181 29366
Tremosine sul Garda BS 14 2100 31466
Mori TN 14 9678 41144
Bosco Chiesanuova VR 15 3600 44744
Dolcè VR 15 2625 47369
Tignale BS 15 1256 48625
Nago-Torbole TN 16 2867 51492
Vallarsa TN 17 1395 52887
Caprino Veronese VR 17 8371 61258
San Zeno di Montagna VR 18 1355 62613
Ronzo-Chienis TN 18 976 63589
Riva del Garda TN 18 16926 80515
Isera TN 19 2735 83250
Roverè Veronese VR 19 2115 85365
Rivoli Veronese VR 19 2180 87545
Marano di Valpolicella VR 20 3175 90720
Velo Veronese VR 20 770 91490
Cerro Veronese VR 20 2471 93961
Trambileno TN 20 1452 95413

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of Verona (258765 inhabitants)
41 Km SW of Trento (117317 inhabitants)
53 Km W of Vicenza (112953 inhabitants)
58 Km E of Brescia (196480 inhabitants)
83 Km W of Padova (210401 inhabitants)
92 Km SW of Bolzano (106441 inhabitants)
96 Km NE of Cremona (71901 inhabitants)
97 Km E of Bergamo (119381 inhabitants)
100 Km NW of Rovigo (51867 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 2.0
ML 1.7
2011-10-31
04:13:02
45.73 10.92 4 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1303129
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-10-31 04:13:02 ± 0.24
Latitude 45.7300 ± 0.0153
Longitude 10.9200 ± 0.0167
Depth (km) 4 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1303129

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1489
Semi-minor axis of confidence ellipse (meter) 1280
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 222
Circular confidence region, given by single value of horizontal uncertainty (meter) 2140.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.59
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.77791
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1303129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:50:53

Md:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations
Type of magnitude Md
Reference to an origin 1303129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:50:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHZ. 2011-10-31T04:13:34.84 10.0 undecidable manual Pg 0 0 0
IV.APPI.EHZ. 2011-10-31T04:13:29.07 0.6 undecidable manual Sg 16 86.3469 -0.417 40
IV.TEOL.HHN. 2011-10-31T04:13:26.28 0.3 undecidable manual Sg 125 71.4729 0.765 55
IV.APPI.EHZ. 2011-10-31T04:13:18.14 0.3 undecidable manual Pg 16 86.3469 0.089 65
IV.TEOL.HHN. 2011-10-31T04:13:14.97 0.3 undecidable manual Pg 125 71.4729 -0.788 54
IV.SALO.HHN. 2011-10-31T04:13:13.74 0.3 undecidable manual Sg 248 33.0447 -0.254 69
IV.MAGA.HHZ. 2011-10-31T04:13:10.92 0.6 undecidable manual Sg 283 23.0547 0.359 46
IV.SALO.HHN. 2011-10-31T04:13:08.93 0.1 undecidable manual Pg 248 33.0447 -0.176 94
IV.MAGA.HHZ. 2011-10-31T04:13:07.45 0.1 undecidable manual Pg 283 23.0547 0.327 92
IV.ROVR.HHZ. 2011-10-31T04:13:05.53 0.1 undecidable manual Pg 128 14.9739 -0.01 100
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