Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 0.8 on date 18-10-2021 and time 12:07:38 (Italy) in region 2 km E Faedo (TN)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: 2 km E Faedo (TN), on

  • 18-10-2021 10:07:38 (UTC)
  • 18-10-2021 12:07:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1990, 11.1900 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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
Faedo TN 2 616 616
Cembra Lisignago TN 4 2364 2980
Altavalle TN 4 1648 4628
San Michele all'Adige TN 4 3042 7670
Salorno BZ 5 3758 11428
Giovo TN 5 2513 13941
Segonzano TN 6 1505 15446
Mezzocorona TN 6 5446 20892
Albiano TN 6 1514 22406
Roverè della Luna TN 6 1636 24042
Lona-Lases TN 6 890 24932
Nave San Rocco TN 7 1398 26330
Mezzolombardo TN 8 7067 33397
Cortina sulla strada del vino BZ 8 642 34039
Baselga di Pinè TN 9 5031 39070
Zambana TN 9 1733 40803
Lavis TN 9 8915 49718
Fornace TN 9 1355 51073
Fai della Paganella TN 9 894 51967
Bedollo TN 10 1483 53450
Magrè sulla strada del vino BZ 10 1279 54729
Sover TN 10 838 55567
Ton TN 11 1338 56905
Spormaggiore TN 11 1289 58194
Civezzano TN 12 4002 62196
Cavedago TN 13 517 62713
Sporminore TN 13 700 63413
Valfloriana TN 13 504 63917
Cortaccia sulla strada del vino BZ 13 2225 66142
Sant'Orsola Terme TN 13 1098 67240
Denno TN 14 1297 68537
Capriana TN 14 588 69125
Campodenno TN 14 1500 70625
Fierozzo TN 14 469 71094
Egna BZ 14 5232 76326
Palù del Fersina TN 15 173 76499
Andalo TN 15 1076 77575
Frassilongo TN 15 338 77913
Trento TN 15 117317 195230
Contà TN 15 1454 196684
Pergine Valsugana TN 16 21280 217964
Anterivo BZ 16 395 218359
Termeno sulla strada del vino BZ 16 3348 221707
Sfruz TN 17 334 222041
Predaia TN 17 6655 228696
Montagna BZ 17 1641 230337
Molveno TN 18 1134 231471
Vignola-Falesina TN 19 162 231633
Trodena nel parco naturale BZ 19 1026 232659
Ora BZ 19 3648 236307
Ville d'Anaunia TN 19 4884 241191
Vallelaghi TN 20 5044 246235

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NE of Trento (117317 inhabitants)
36 Km SW of Bolzano (106441 inhabitants)
77 Km NW of Vicenza (112953 inhabitants)
86 Km N of Verona (258765 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 0.8 2021-10-18
10:07:38		 46.1988 11.1897 1 2022-03-30
13:04:37		 Bollettino Sismico Italiano INGV 101051241
Reviewed
Rev100 		ML 0.9 2021-10-18
10:07:38		 46.1847 11.2113 10 2021-10-18
10:14:43		 Sala Sismica INGV-Roma 96720731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-18 10:07:38 ± 0.13
Latitude 46.1988 ± 0.0081
Longitude 11.1897 ± 0.0143
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 101051241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1120
Semi-minor axis of confidence ellipse (meter) 840
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 294
Circular confidence region, given by single value of horizontal uncertainty (meter) 1120.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.62413
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 101051241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-16 14:11:28

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 96720731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-18 10:14:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CDRU.HHZ. 2021-10-18T10:09:31.44 3.0 undecidable manual Pg 17.75 0
IV.PZUN.HHZ. 2021-10-18T10:09:30.08 3.0 negative manual Pg 15.78 0
IV.SRES.HHZ. 2021-10-18T10:09:23.77 3.0 undecidable manual Sn -5.72 0
IV.CMPR.HHZ. 2021-10-18T10:09:21.88 3.0 undecidable manual Pn 6.09 0
IV.SACS.HHZ. 2021-10-18T10:09:14.90 3.0 undecidable manual Sn 2.21 0
IV.IFOR.HHZ. 2021-10-18T10:09:05.67 3.0 undecidable manual Pn 0.7 0
MN.TRI.HHZ. 2021-10-18T10:08:42.75 3.0 undecidable manual Sg 6.69 0
IV.SRES.HHZ. 2021-10-18T10:08:40.73 3.0 negative manual Pn -0.24 0
IV.BRSN.HNZ. 2021-10-18T10:08:39.81 3.0 undecidable manual Sg 0.51 0
IV.BRIS.HHZ. 2021-10-18T10:08:35.46 3.0 undecidable manual Sn -3.75 0
IV.RIBO.EHZ.01 2021-10-18T10:08:32.24 3.0 undecidable manual Pn 2.69 0
IV.ARVD.HHZ. 2021-10-18T10:08:25.76 3.0 negative manual Pn -0.22 0
IV.PE3.EHZ. 2021-10-18T10:08:21.04 3.0 undecidable manual Pn -0.72 0
IV.CAPR.HNZ. 2021-10-18T10:08:13.29 3.0 undecidable manual S -0.95 0
IV.CADC.HNZ. 2021-10-18T10:08:01.59 3.0 positive manual P 2.62 0
IV.BRES.EHZ. 2021-10-18T10:07:51.55 0.1 undecidable manual P 37 69.2751 50 -0.52 84
SI.ABSI.HHZ. 2021-10-18T10:07:50.07 0.3 undecidable manual P 10 59.5959 90 -0.48 65
IV.MABI.HHZ. 2021-10-18T10:07:48.94 0.3 undecidable manual P 253 54.3012 91 -0.56 64
ST.CARE.EHZ. 2021-10-18T10:07:47.67 0.3 undecidable manual P 304 45.5211 91 -0.06 73
SI.LUSI.HHZ. 2021-10-18T10:07:45.14 0.1 undecidable manual P 216 32.6451 91 -0.01 100
SI.KOSI.HHZ. 2021-10-18T10:07:45.56 0.3 undecidable manual P 26 32.6451 91 0.4 69
ST.DOSS.HHZ. 2021-10-18T10:07:45.44 0.1 undecidable manual P 180 35.3424 91 -0.24 95
ST.ZIAN.EHZ. 2021-10-18T10:07:44.77 0.3 undecidable manual P 73 29.9478 91 0.16 73
ST.OZOL.EHZ. 2021-10-18T10:07:44.25 0.3 undecidable manual P 335 25.0527 91 0.61 66
ST.GAGG.HHZ. 2021-10-18T10:07:43.41 0.1 undecidable manual P 234 21.867 91 0.41 94
ST.PANI.EHZ. 2021-10-18T10:07:42.81 0.1 undecidable manual P 146 19.869 91 0.21 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.PANI.EHN. ML:0.9 0.00006684661 0.1792 AML other m 2021-10-18T10:07:46.12
ST.PANI.EHE. ML:0.6 0.0000298986025 0.3584 AML other m 2021-10-18T10:07:46.22
ST.DOSS.HHE. ML:1.0 0.00003985 0.58 AML other m 2021-10-18T10:07:46.30
ST.DOSS.HHN. ML:1.0 0.00004 0.6 AML other m 2021-10-18T10:07:46.50
ST.GAGG.HHE. ML:0.9 0.000056099999999999995 0.44 AML other m 2021-10-18T10:07:48.82
ST.GAGG.HHN. ML:0.7 0.000039850000000000006 0.5 AML other m 2021-10-18T10:07:49.63
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