Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 04-08-2024 and time 04:38:00 (UTC) in region 7 km NW Villandro (BZ)

A magnitude ML 0.9 earthquake occured in region: 7 km NW Villandro (BZ), on

  • 04-08-2024 04:38:00 (UTC)
  • 04-08-2024 06:38:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.6650, 11.4630 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Villandro BZ 7 1854 1854
Barbiano BZ 8 1688 3542
Sarentino BZ 8 7035 10577
Chiusa BZ 9 5220 15797
Ponte Gardena BZ 9 194 15991
Laion BZ 10 2647 18638
Velturno BZ 11 2817 21455
Castelrotto BZ 13 6802 28257
Renon BZ 14 7795 36052
Varna BZ 16 4450 40502
Bressanone BZ 16 21535 62037
Fiè allo Sciliar BZ 17 3539 65576
Funes BZ 17 2612 68188
San Genesio Atesino BZ 17 3047 71235
Fortezza BZ 18 989 72224
Meltina BZ 18 1661 73885
Avelengo BZ 18 764 74649
Ortisei BZ 19 4780 79429
Verano BZ 19 936 80365
Naz-Sciaves BZ 20 3120 83485
Cornedo all'Isarco BZ 20 3388 86873
Bolzano BZ 20 106441 193314

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Bolzano (106441 inhabitants)
71 Km NE 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
Reviewed
Rev100 		ML 0.9 2024-08-04
04:38:00		 46.665 11.4632 10 2024-08-04
04:47:05		 Sala Sismica INGV-Roma 130396121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-08-04 04:38:00 ± 0.09
Latitude 46.6650 ± 0.0054
Longitude 11.4632 ± 0.0092
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 130396121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 576
Semi-minor axis of confidence ellipse (meter) 521
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 84
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.11691
Epicentral distance of station farthest from the epicenter (degree) 0.80669
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 130396121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-08-04 04:47:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.DOSS.HHZ. 2024-08-04T04:38:27.40 0.6 undecidable manual S 194 89.5437 50 -0.04 41
ST.DOSS.HHZ. 2024-08-04T04:38:16.57 0.3 undecidable manual P 194 89.5437 50 0.42 64
ST.OZOL.EHZ. 2024-08-04T04:38:14.44 0.3 undecidable manual S 227 42.7239 50 -0.5 57
ST.ZIAN.EHZ. 2024-08-04T04:38:14.71 0.3 undecidable manual S 170 43.8228 50 -0.52 58
OE.WTTA.HHE. 2024-08-04T04:38:13.16 0.3 undecidable manual P 11 67.6767 50 0.37 67
ST.PANI.EHZ. 2024-08-04T04:38:13.21 0.3 undecidable manual P 188 68.8755 50 0.23 69
IV.APPI.EHZ. 2024-08-04T04:38:10.30 0.3 undecidable manual S 221 27.3504 109 -0.49 61
SI.ROSI.HHZ. 2024-08-04T04:38:10.58 0.3 undecidable manual S 352 29.4483 50 -0.82 54
SI.KOSI.HHZ. 2024-08-04T04:38:09.40 0.3 undecidable manual S 196 23.3544 112 -0.08 71
ST.ZIAN.EHZ. 2024-08-04T04:38:09.13 0.1 undecidable manual P 170 43.8228 50 0.02 93
IT.VALS.HNE. 2024-08-04T04:38:09.55 0.3 undecidable manual P 144 44.5221 50 0.34 70
IV.BRES.EHZ. 2024-08-04T04:38:08.42 0.3 undecidable manual S 80 20.9679 114 -0.31 70
ST.OZOL.EHZ. 2024-08-04T04:38:08.93 0.1 undecidable manual P 227 42.7239 50 -0.01 92
SI.ABSI.HHZ. 2024-08-04T04:38:06.62 0.3 undecidable manual S 303 12.9759 126 0.31 74
SI.ROSI.HHZ. 2024-08-04T04:38:06.72 0.1 undecidable manual P 352 29.4483 50 -0.18 92
IV.APPI.EHZ. 2024-08-04T04:38:06.52 0.1 undecidable manual P 221 27.3504 109 -0.02 95
IV.BRES.EHZ. 2024-08-04T04:38:05.50 0.1 undecidable manual P 80 20.9679 114 0.15 99
SI.KOSI.HHZ. 2024-08-04T04:38:05.98 0.1 undecidable manual P 196 23.3544 112 0.19 100
SI.ABSI.HHZ. 2024-08-04T04:38:04.37 0.1 undecidable manual P 303 12.9759 126 0.41 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
SI.ABSI.HHN. ML:0.8 0.00006697089 0.08 AML other m 2024-08-04T04:38:06.67
SI.ABSI.HHE. ML:0.5 0.000035980159999999995 0.28 AML other m 2024-08-04T04:38:08.22
SI.ROSI.HHN. ML:1.0 0.0000554 0.4 AML other m 2024-08-04T04:38:10.75
SI.ROSI.HHE. ML:0.9 0.000040050000000000004 0.26 AML other m 2024-08-04T04:38:10.94
ST.OZOL.EHN. ML:1.2 0.00004619 0.26 AML other m 2024-08-04T04:38:14.80
ST.OZOL.EHE. ML:1.2 0.000044040000000000005 0.78 AML other m 2024-08-04T04:38:14.60
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