Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 1.0 on date 04-10-2021 and time 12:36:29 (Italy) in region 1 km W Albiano (TN)

A magnitude ML 1.0 (quarry blast) earthquake occured in region: 1 km W Albiano (TN), on

  • 04-10-2021 10:36:29 (UTC)
  • 04-10-2021 12:36:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1450, 11.1880 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
Albiano TN 1 1514 1514
Lona-Lases TN 3 890 2404
Giovo TN 3 2513 4917
Fornace TN 3 1355 6272
Cembra Lisignago TN 4 2364 8636
Baselga di Pinè TN 5 5031 13667
Altavalle TN 6 1648 15315
Faedo TN 6 616 15931
Lavis TN 6 8915 24846
Civezzano TN 6 4002 28848
Nave San Rocco TN 7 1398 30246
San Michele all'Adige TN 7 3042 33288
Zambana TN 7 1733 35021
Segonzano TN 8 1505 36526
Bedollo TN 9 1483 38009
Mezzocorona TN 10 5446 43455
Sant'Orsola Terme TN 10 1098 44553
Trento TN 10 117317 161870
Fai della Paganella TN 10 894 162764
Pergine Valsugana TN 10 21280 184044
Frassilongo TN 10 338 184382
Salorno BZ 11 3758 188140
Fierozzo TN 11 469 188609
Mezzolombardo TN 11 7067 195676
Roverè della Luna TN 12 1636 197312
Palù del Fersina TN 13 173 197485
Cavedago TN 13 517 198002
Sover TN 13 838 198840
Vignola-Falesina TN 13 162 199002
Spormaggiore TN 14 1289 200291
Cortina sulla strada del vino BZ 14 642 200933
Andalo TN 14 1076 202009
Altopiano della Vigolana TN 16 4942 206951
Ton TN 16 1338 208289
Tenna TN 16 993 209282
Sporminore TN 16 700 209982
Magrè sulla strada del vino BZ 16 1279 211261
Calceranica al Lago TN 16 1387 212648
Vallelaghi TN 16 5044 217692
Valfloriana TN 17 504 218196
Molveno TN 17 1134 219330
Garniga Terme TN 17 388 219718
Levico Terme TN 17 7915 227633
Campodenno TN 17 1500 229133
Capriana TN 18 588 229721
Caldonazzo TN 18 3631 233352
Denno TN 18 1297 234649
Cortaccia sulla strada del vino BZ 19 2225 236874
Novaledo TN 19 1076 237950
Contà TN 20 1454 239404
Aldeno TN 20 3059 242463
Egna BZ 20 5232 247695

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km NE of Trento (117317 inhabitants)
42 Km SW of Bolzano (106441 inhabitants)
72 Km NW of Vicenza (112953 inhabitants)
80 Km N of Verona (258765 inhabitants)
98 Km NW of Treviso (83731 inhabitants)
98 Km NW of Padova (210401 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 1.0 2021-10-04
10:36:29		 46.145 11.1882 1 2022-03-30
13:04:28		 Bollettino Sismico Italiano INGV 99541901
Reviewed
Rev100 		ML 1.0 2021-10-04
10:36:29		 46.1227 11.1958 9 2021-10-04
10:40:58		 Sala Sismica INGV-Roma 96200831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-04 10:36:29 ± 0.17
Latitude 46.1450 ± 0.0108
Longitude 11.1882 ± 0.0156
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 99541901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1340
Semi-minor axis of confidence ellipse (meter) 1030
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 310
Circular confidence region, given by single value of horizontal uncertainty (meter) 1340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.13850
Epicentral distance of station farthest from the epicenter (degree) 0.58996
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 99541901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-10 15:59:57

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 96200831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-04 10:40:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.ABSI.HHZ. 2021-10-04T10:36:41.74 0.3 undecidable manual P 9 65.49 50 -0.57 62
ST.VARA.EHZ. 2021-10-04T10:36:37.41 0.3 undecidable manual P 213 41.9247 91 -0.43 68
SI.KOSI.HHZ. 2021-10-04T10:36:37.38 0.3 undecidable manual P 22 38.1285 91 0.3 70
IV.CTI.HHZ. 2021-10-04T10:36:36.65 0.6 undecidable manual P 107 37.1295 91 -0.22 48
ST.DOSS.HHZ. 2021-10-04T10:36:35.09 0.1 undecidable manual P 180 29.3484 91 -0.22 97
SI.LUSI.HHZ. 2021-10-04T10:36:35.09 0.1 positive manual P 223 27.8499 91 0.06 100
ST.GAGG.HHZ. 2021-10-04T10:36:33.57 0.1 undecidable manual P 249 18.87 92 0.34 96
ST.PANI.EHZ. 2021-10-04T10:36:32.89 0.1 undecidable manual P 133 15.3735 92 0.37 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.PANI.EHN. ML:0.9 0.000087659915 0.2752 AML other m 2021-10-04T10:36:35.71
ST.PANI.EHE. ML:0.9 0.00009294387999999999 0.3392 AML other m 2021-10-04T10:36:36.30
ST.GAGG.HNN. ML:1.0 0.00008484064 0.3392 AML other m 2021-10-04T10:36:37.77
ST.GAGG.HNE. ML:0.9 0.000070113165 0.48 AML other m 2021-10-04T10:36:37.93
ST.GAGG.HHE. ML:1.0 0.00008250680500000001 0.32 AML other m 2021-10-04T10:36:37.77
ST.GAGG.HHN. ML:0.8 0.00005272288 0.4224 AML other m 2021-10-04T10:36:38.67
SI.LUSI.HHN. ML:1.3 0.00011682485000000001 0.2816 AML other m 2021-10-04T10:36:39.30
SI.LUSI.HHE. ML:1.0 0.000050920519999999996 0.224 AML other m 2021-10-04T10:36:40.04
ST.DOSS.HNN. ML:1.1 0.0000632232125 0.5376 AML other m 2021-10-04T10:36:40.64
ST.DOSS.HHE. ML:1.0 0.00005467527 0.3008 AML other m 2021-10-04T10:36:40.63
ST.DOSS.HHN. ML:0.9 0.000042309475 0.1984 AML other m 2021-10-04T10:36:41.64
ST.DOSS.HNE. ML:1.0 0.00004762107 1.4368 AML other m 2021-10-04T10:36:42.86
SI.ABSI.HHE. ML:0.9 0.000014400719999999999 0.5184 AML other m 2021-10-04T10:36:53.42
SI.ABSI.HHN. ML:0.9 0.00001656641 1.5648 AML other m 2021-10-04T10:36:57.13
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