Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 0.9 on date 09-09-2021 and time 15:24:18 (UTC) in region 1 km W Albiano (TN)

A magnitude ML 0.9 (quarry blast) earthquake occured in region: 1 km W Albiano (TN), on

  • 09-09-2021 15:24:18 (UTC)
  • 09-09-2021 17:24:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1430, 11.1770 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
Giovo TN 3 2513 4027
Lona-Lases TN 3 890 4917
Fornace TN 4 1355 6272
Lavis TN 5 8915 15187
Cembra Lisignago TN 5 2364 17551
Baselga di Pinè TN 6 5031 22582
Faedo TN 6 616 23198
Civezzano TN 6 4002 27200
Nave San Rocco TN 6 1398 28598
Zambana TN 6 1733 30331
Altavalle TN 6 1648 31979
San Michele all'Adige TN 7 3042 35021
Segonzano TN 8 1505 36526
Fai della Paganella TN 9 894 37420
Trento TN 9 117317 154737
Mezzocorona TN 9 5446 160183
Bedollo TN 10 1483 161666
Mezzolombardo TN 10 7067 168733
Pergine Valsugana TN 10 21280 190013
Sant'Orsola Terme TN 11 1098 191111
Frassilongo TN 11 338 191449
Salorno BZ 11 3758 195207
Fierozzo TN 12 469 195676
Roverè della Luna TN 12 1636 197312
Cavedago TN 12 517 197829
Spormaggiore TN 13 1289 199118
Vignola-Falesina TN 14 162 199280
Andalo TN 14 1076 200356
Palù del Fersina TN 14 173 200529
Sover TN 14 838 201367
Cortina sulla strada del vino BZ 15 642 202009
Sporminore TN 15 700 202709
Vallelaghi TN 15 5044 207753
Ton TN 15 1338 209091
Altopiano della Vigolana TN 15 4942 214033
Tenna TN 16 993 215026
Molveno TN 16 1134 216160
Calceranica al Lago TN 16 1387 217547
Magrè sulla strada del vino BZ 16 1279 218826
Garniga Terme TN 17 388 219214
Campodenno TN 17 1500 220714
Denno TN 18 1297 222011
Valfloriana TN 18 504 222515
Levico Terme TN 18 7915 230430
Caldonazzo TN 18 3631 234061
Capriana TN 18 588 234649
Cortaccia sulla strada del vino BZ 19 2225 236874
Contà TN 19 1454 238328
Aldeno TN 20 3059 241387
Madruzzo TN 20 2884 244271
Novaledo TN 20 1076 245347
Cimone TN 20 728 246075

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 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)
100 Km NE of Brescia (196480 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 0.9 2021-09-09
15:24:18		 46.1432 11.1768 1 2022-03-30
13:04:39		 Bollettino Sismico Italiano INGV 101399381
Reviewed
Rev100 		ML 1.0 2021-09-09
15:24:18		 46.1358 11.1962 9 2021-09-09
15:32:42		 Sala Sismica INGV-Roma 95239011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-09 15:24:18 ± 0.09
Latitude 46.1432 ± 0.0063
Longitude 11.1768 ± 0.0091
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 101399381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 710
Semi-minor axis of confidence ellipse (meter) 620
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 304
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
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) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.14299
Epicentral distance of station farthest from the epicenter (degree) 0.59355
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 101399381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-24 02:47:08

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 95239011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-09 15:32:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.ABSI.HHZ. 2021-09-09T15:24:31.16 1.0 undecidable manual P 10 65.8896 50 -0.57 21
IV.MAGA.HHZ. 2021-09-09T15:24:30.24 0.6 undecidable manual P 226 58.7967 90 -0.34 45
IV.MABI.HHZ. 2021-09-09T15:24:28.65 0.3 undecidable manual P 259 51.9036 91 -0.56 64
ST.CARE.EHZ. 2021-09-09T15:24:28.25 0.3 undecidable manual P 310 48.4182 91 -0.27 70
ST.VARA.EHZ. 2021-09-09T15:24:26.95 0.6 undecidable manual P 212 41.3253 91 -0.13 49
IV.CTI.HHZ. 2021-09-09T15:24:26.08 0.3 undecidable manual P 106 37.8288 91 -0.32 70
SI.KOSI.HHE. 2021-09-09T15:24:26.61 0.6 undecidable manual P 23 38.7279 91 0.05 50
IV.APPI.EHZ. 2021-09-09T15:24:26.34 0.3 undecidable manual P 6 37.4292 91 0.03 75
ST.ZIAN.EHZ. 2021-09-09T15:24:25.37 0.3 undecidable manual P 63 33.1446 91 -0.08 75
ST.OZOL.EHE. 2021-09-09T15:24:25.36 0.3 undecidable manual P 342 30.4473 91 0.44 69
ST.DOSS.HHZ. 2021-09-09T15:24:24.55 0.1 undecidable manual P 178 29.1486 91 -0.09 100
SI.LUSI.HHZ. 2021-09-09T15:24:24.41 0.1 positive manual P 221 27.1506 91 0.16 99
ST.GAGG.HHZ. 2021-09-09T15:24:22.88 0.1 undecidable manual P 249 18.0708 92 0.46 94
ST.PANI.EHZ. 2021-09-09T15:24:22.31 0.1 undecidable manual P 130 15.873 92 0.31 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.PANI.EHE. ML:0.7 0.000058228955 0.2816 AML other m 2021-09-09T15:24:25.25
ST.PANI.EHN. ML:1.0 0.00009833918 0.3072 AML other m 2021-09-09T15:24:25.84
ST.GAGG.HHE. ML:0.7 0.00004706419 0.1408 AML other m 2021-09-09T15:24:26.34
ST.GAGG.HHN. ML:0.5 0.000030113015 0.1408 AML other m 2021-09-09T15:24:26.53
ST.GAGG.HNN. ML:0.8 0.000060281299999999995 0.6016 AML other m 2021-09-09T15:24:28.69
ST.ZIAN.HNE. ML:1.2 0.00007416573999999999 0.576 AML other m 2021-09-09T15:24:29.41
SI.LUSI.HHE. ML:1.1 0.00008245 0.34 AML other m 2021-09-09T15:24:29.42
SI.LUSI.HHN. ML:1.2 0.00008774999999999999 1.68 AML other m 2021-09-09T15:24:30.84
ST.DOSS.HHN. ML:0.9 0.000046418584999999995 0.32 AML other m 2021-09-09T15:24:30.44
ST.DOSS.HHE. ML:0.9 0.00004185 0.84 AML other m 2021-09-09T15:24:31.55
IV.CTI.HHN. ML:1.0 0.000039599999999999994 0.24 AML other m 2021-09-09T15:24:32.00
ST.GAGG.HNE. ML:0.8 0.00005520156 0.576 AML other m 2021-09-09T15:24:32.29
ST.DOSS.HNE. ML:1.1 0.00006439508500000001 1.4752 AML other m 2021-09-09T15:24:32.15
IV.CTI.HHE. ML:1.0 0.000034777735 0.1792 AML other m 2021-09-09T15:24:33.08
IV.APPI.EHN. ML:0.9 0.0000306 1.7 AML other m 2021-09-09T15:24:33.99
IV.APPI.EHE. ML:0.7 0.00002154033 0.2688 AML other m 2021-09-09T15:24:33.48
ST.ZIAN.EHN. ML:0.7 0.0000242347555 0.2432 AML other m 2021-09-09T15:24:34.52
IV.MBAL.HNE. ML:1.7 0.000118024755 0.4992 AML other m 2021-09-09T15:24:35.42
ST.CARE.HNE. ML:1.6 0.0001194236525 0.128 AML other m 2021-09-09T15:24:36.40
ST.VARA.EHE. ML:1.1 0.000045788735 0.256 AML other m 2021-09-09T15:24:36.54
IV.MABI.HHN. ML:0.3 0.000006859904 0.2176 AML other m 2021-09-09T15:24:36.70
IV.MBAL.HNN. ML:1.7 0.0001226760695 0.4736 AML other m 2021-09-09T15:24:36.83
IV.MABI.HHE. ML:0.3 0.00000749 0.92 AML other m 2021-09-09T15:24:36.93
IV.MBAL.EHN. ML:1.0 0.000025427486 0.1024 AML other m 2021-09-09T15:24:37.30
IV.MBAL.EHE. ML:1.1 0.000030065845 0.1024 AML other m 2021-09-09T15:24:37.43
ST.DOSS.HNN. ML:1.2 0.000083422285 1.1424 AML other m 2021-09-09T15:24:37.18
ST.VARA.EHN. ML:0.6 0.0000153583 0.896 AML other m 2021-09-09T15:24:40.23
IV.MAGA.HHN. ML:1.0 0.000021619605 1.6032 AML other m 2021-09-09T15:24:46.17
SI.ABSI.HHE. ML:0.9 0.000013555235 0.3968 AML other m 2021-09-09T15:24:46.48
SI.ABSI.HHN. ML:0.9 0.0000126110685 0.2944 AML other m 2021-09-09T15:24:46.56
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