Earthquake with magnitude of ML 1.3 on date 08-10-2021 and time 02:09:47 (Italy) in region 1 km N Silandro (BZ)

A magnitude ML 1.3 earthquake occured in region: 1 km N Silandro (BZ), on

  • 08-10-2021 00:09:47 (UTC)
  • 08-10-2021 02:09:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.6400, 10.7750 at 11 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
Silandro BZ 1 6016 6016
Lasa BZ 6 3993 10009
Laces BZ 7 5188 15197
Martello BZ 8 869 16066
Castelbello-Ciardes BZ 10 2309 18375
Senales BZ 13 1267 19642
Prato allo Stelvio BZ 14 3474 23116
Sluderno BZ 15 1804 24920
Glorenza BZ 17 896 25816
Naturno BZ 18 5739 31555
Stelvio BZ 18 1161 32716
Malles Venosta BZ 18 5162 37878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km W of Bolzano (106441 inhabitants)
69 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
ML 1.3 2021-10-08
00:09:47
46.64 10.7748 11 2022-03-30
13:04:27
Bollettino Sismico Italiano INGV 99440431
Reviewed
Rev100
ML 1.3 2021-10-08
00:09:46
46.6635 10.7873 5 2021-10-08
00:19:57
Sala Sismica INGV-Roma 96334461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-08 00:09:47 ± 0.2
Latitude 46.6400 ± 0.0117
Longitude 10.7748 ± 0.0079
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99440431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1311
Semi-minor axis of confidence ellipse (meter) 411
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 192
Circular confidence region, given by single value of horizontal uncertainty (meter) 1310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.15648
Epicentral distance of station farthest from the epicenter (degree) 0.62953
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 96334461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-08 00:19:57

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 99440431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-07 15:42:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.DAVOX.HHE. 2021-10-08T00:10:08.13 0.6 undecidable manual S 283 69.8745 50 -0.03 36
CH.BERNI.HHZ. 2021-10-08T00:10:06.33 0.6 undecidable manual S 247 62.5929 50 0.1 34
SI.ABSI.HHZ. 2021-10-08T00:10:00.09 0.6 undecidable manual S 76 42.624 50 -0.81 24
IV.APPI.EHE. 2021-10-08T00:09:59.70 0.6 undecidable manual S 117 38.9277 50 -0.2 29
CH.FUORN.HHZ. 2021-10-08T00:09:59.65 0.6 undecidable manual S 267 39.0276 50 -0.28 32
CH.DAVOX.HHE. 2021-10-08T00:09:59.45 0.1 undecidable manual P 283 69.8745 50 0.21 86
ST.OZOL.EHZ. 2021-10-08T00:09:58.91 0.6 undecidable manual S 141 33.6441 50 0.42 41
IV.BRMO.HHZ. 2021-10-08T00:09:58.60 0.6 undecidable manual S 240 35.742 50 -0.44 27
CH.BERNI.HHZ. 2021-10-08T00:09:58.54 0.6 undecidable manual P 247 62.5929 50 0.42 44
ST.CARE.EHZ. 2021-10-08T00:09:56.26 0.6 undecidable manual S 194 24.5532 50 0.18 46
SI.ABSI.HHZ. 2021-10-08T00:09:54.78 0.3 undecidable manual P 76 42.624 50 -0.27 57
ST.OZOL.EHZ. 2021-10-08T00:09:54.18 0.1 undecidable manual P 141 33.6441 50 0.52 95
IV.APPI.EHE. 2021-10-08T00:09:54.87 0.3 undecidable manual P 117 38.9277 50 0.4 68
SI.MOSI.HHZ. 2021-10-08T00:09:54.01 0.6 undecidable manual S 261 17.3715 50 -0.14 49
CH.FUORN.HHZ. 2021-10-08T00:09:54.33 0.3 undecidable manual P 267 39.0276 50 -0.16 59
IV.BRMO.HHZ. 2021-10-08T00:09:54.48 0.3 undecidable manual P 240 35.742 50 0.51 71
ST.CARE.EHZ. 2021-10-08T00:09:52.77 0.1 undecidable manual P 194 24.5532 50 0.51 98
SI.MOSI.HHZ. 2021-10-08T00:09:51.14 0.1 undecidable manual P 261 17.3715 50 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
SI.ABSI.HHN. ML:1.4 0.00008669999999999999 0.28 AML other m 2021-10-08T00:10:00.68
SI.ABSI.HHE. ML:1.2 0.000053349999999999996 0.34 AML other m 2021-10-08T00:10:00.68
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