Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 29-08-2021 and time 05:54:06 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 0.8 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 29-08-2021 03:54:06 (UTC)
  • 29-08-2021 05:54:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.5900, 10.4080 at 11 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
Tubre BZ 8 977 977
Stelvio BZ 11 1161 2138
Bormio SO 13 4121 6259
Valdidentro SO 14 4125 10384
Valfurva SO 14 2638 13022
Prato allo Stelvio BZ 14 3474 16496
Glorenza BZ 15 896 17392
Malles Venosta BZ 15 5162 22554
Sluderno BZ 16 1804 24358
Valdisotto SO 18 3556 27914

Municipalities with at least 50000 inhabitants

An earthquake occurred to
73 Km W of Bolzano (106441 inhabitants)
80 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
Reviewed
Rev100 		ML 0.8 2021-08-29
03:54:06		 46.5898 10.4077 11 2021-08-29
03:59:10		 Sala Sismica INGV-Roma 94773781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-29 03:54:06 ± 0.09
Latitude 46.5898 ± 0.0054
Longitude 10.4077 ± 0.0065
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 94773781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 618
Semi-minor axis of confidence ellipse (meter) 447
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 23
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.10072
Epicentral distance of station farthest from the epicenter (degree) 0.53959
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 94773781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-29 03:59:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MABI.HHZ. 2021-08-29T03:54:24.41 0.1 undecidable manual S 172 59.8956 50 -0.13 90
CH.DAVOX.HHZ. 2021-08-29T03:54:20.77 0.1 undecidable manual S 298 45.4212 50 0.09 93
IV.MABI.HHZ. 2021-08-29T03:54:17.72 1.0 negative manual P 172 59.8956 50 0.99 17
CH.BERNI.HHZ. 2021-08-29T03:54:17.94 0.1 undecidable manual S 236 35.2425 50 -0.03 96
ST.CARE.EHZ. 2021-08-29T03:54:15.79 0.1 undecidable manual S 130 28.5492 50 -0.37 90
CH.DAVOX.HHZ. 2021-08-29T03:54:14.63 0.6 undecidable manual P 298 45.4212 50 0.13 46
CH.BERNI.HHZ. 2021-08-29T03:54:13.33 0.6 negative manual P 236 35.2425 50 0.39 44
ST.CARE.EHZ. 2021-08-29T03:54:12.03 1.0 positive manual P 130 28.5492 50 0.14 24
SI.MOSI.HHZ. 2021-08-29T03:54:11.62 0.1 undecidable manual S 75 11.1777 134 0.13 98
CH.FUORN.HHZ. 2021-08-29T03:54:11.12 0.1 undecidable manual S 287 11.4774 134 -0.44 92
IV.BRMO.HHZ. 2021-08-29T03:54:11.98 0.1 undecidable manual S 192 12.876 130 0.05 99
IV.BRMO.HHZ. 2021-08-29T03:54:09.64 0.1 negative manual P 192 12.876 130 0.19 96
SI.MOSI.HHZ. 2021-08-29T03:54:09.17 0.1 undecidable manual P 75 11.1777 134 -0.03 100
CH.FUORN.HHZ. 2021-08-29T03:54:09.27 0.1 positive manual P 287 11.4774 134 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.FUORN.HHE. ML:1.1 0.00013000000000000002 0.18 AML other m 2021-08-29T03:54:11.21
CH.FUORN.HHN. ML:1.1 0.00013550000000000001 0.18 AML other m 2021-08-29T03:54:11.38
SI.MOSI.HHN. ML:0.9 0.00009455 0.2 AML other m 2021-08-29T03:54:11.66
IV.BRMO.HHE. ML:0.5 0.000033600000000000004 1.76 AML other m 2021-08-29T03:54:12.02
IV.BRMO.HHN. ML:0.6 0.000040050000000000004 0.16 AML other m 2021-08-29T03:54:12.33
SI.MOSI.HHE. ML:0.9 0.00009389999999999999 0.54 AML other m 2021-08-29T03:54:12.53
CH.BERNI.HHE. ML:0.8 0.0000252 0.36 AML other m 2021-08-29T03:54:18.62
CH.BERNI.HHN. ML:0.8 0.000024 0.76 AML other m 2021-08-29T03:54:19.39
IV.MABI.HHN. ML:0.9 0.0000125 0.2 AML other m 2021-08-29T03:54:25.52
IV.MABI.HHE. ML:0.4 0.00000536 0.64 AML other m 2021-08-29T03:54:25.59
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