Earthquake with magnitude of ML 1.3 on date 31-08-2012 and time 06:46:49 (UTC) in region 3 km NW Ala (TN)

A magnitude ML 1.3 earthquake occured in region: 3 km NW Ala (TN), on

  • 31-08-2012 06:46:49 (UTC)
  • 31-08-2012 08:46:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.7840, 10.9810 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
Ala TN 4 8913 8913
Brentonico TN 5 4015 12928
Avio TN 6 4133 17061
Mori TN 8 9678 26739
Vallarsa TN 11 1395 28134
Isera TN 12 2735 30869
Trambileno TN 12 1452 32321
Ronzo-Chienis TN 12 976 33297
Rovereto TN 13 39289 72586
Nago-Torbole TN 13 2867 75453
Malcesine VR 14 3736 79189
Nogaredo TN 15 2065 81254
Limone sul Garda BS 15 1181 82435
Villa Lagarina TN 15 3778 86213
Ferrara di Monte Baldo VR 15 226 86439
Brentino Belluno VR 16 1395 87834
Erbezzo VR 16 740 88574
Riva del Garda TN 16 16926 105500
Volano TN 16 3169 108669
Arco TN 17 17526 126195
Pomarolo TN 17 2452 128647
Terragnolo TN 17 716 129363
Sant'Anna d'Alfaedo VR 17 2553 131916
Tremosine sul Garda BS 18 2100 134016
Nomi TN 18 1398 135414
Bosco Chiesanuova VR 18 3600 139014
Brenzone sul Garda VR 18 2474 141488
Tenno TN 19 2069 143557
Calliano TN 19 1807 145364

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SW of Trento (117317 inhabitants)
38 Km N of Verona (258765 inhabitants)
51 Km NW of Vicenza (112953 inhabitants)
65 Km E of Brescia (196480 inhabitants)
81 Km NW of Padova (210401 inhabitants)
85 Km SW of Bolzano (106441 inhabitants)
99 Km W of Treviso (83731 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
Reviewed
Rev100
ML 1.3 2012-08-31
06:46:49
45.7952 10.9843 9 2014-10-21
12:08:56
Sala Sismica INGV-Roma 2095691
Bulletin
Rev1000
ML 1.3 2012-08-31
06:46:49
45.7835 10.981 10 2014-09-19
08:14:18
Bollettino Sismico Italiano INGV 2682411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-08-31 06:46:49 ± 0.28
Latitude 45.7835 ± 0.0162
Longitude 10.9810 ± 0.0245
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 2682411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2500
Semi-minor axis of confidence ellipse (meter) 860
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 226
Circular confidence region, given by single value of horizontal uncertainty (meter) 2500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 205
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.15109
Epicentral distance of station farthest from the epicenter (degree) 0.42268
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 2682411
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:42:04

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 2095691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-08-31 06:54:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MABI.HHZ. 2012-08-31T06:47:04.31 0.3 undecidable manual S 310 46.9197 50 -0.35 69
IV.MAGA.HHZ. 2012-08-31T06:46:59.10 0.3 undecidable manual S 268 27.2505 50 -0.31 72
IV.MABI.HHZ. 2012-08-31T06:46:58.29 0.1 undecidable manual P 310 46.9197 50 0.06 98
IV.SALO.HHZ. 2012-08-31T06:46:57.48 0.1 undecidable manual P 243 39.8268 50 0.35 93
IV.MAGA.HHZ. 2012-08-31T06:46:55.40 0.1 undecidable manual P 268 27.2505 50 0.21 98
IV.ROVR.HHZ. 2012-08-31T06:46:55.71 0.3 undecidable manual S 155 16.7721 121 -0.48 71
IV.ROVR.HHZ. 2012-08-31T06:46:53.55 0.1 undecidable manual P 155 16.7721 121 0.22 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MAGA.HHN. ML:1.2 0.00009345000000000001 0.24 AML other m 2012-08-31T06:46:59.41
IV.MAGA.HHE. ML:1.2 0.00008525 0.92 AML other m 2012-08-31T06:46:59.60
IV.ROVR.HHE. ML:1.1 0.0001185 0.18 AML other m 2012-08-31T06:46:56.10
IV.ROVR.HHN. ML:1.5 0.0002655 0.5 AML other m 2012-08-31T06:46:56.71
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