Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 1.0 on date 24-09-2021 and time 12:03:17 (Italy) in region 2 km NW Albiano (TN)

A magnitude ML 1.0 (quarry blast) earthquake occured in region: 2 km NW Albiano (TN), on

  • 24-09-2021 10:03:17 (UTC)
  • 24-09-2021 12:03:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1560, 11.1780 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 2 1514 1514
Giovo TN 2 2513 4027
Lona-Lases TN 3 890 4917
Cembra Lisignago TN 4 2364 7281
Faedo TN 4 616 7897
Fornace TN 5 1355 9252
Lavis TN 5 8915 18167
San Michele all'Adige TN 5 3042 21209
Altavalle TN 6 1648 22857
Nave San Rocco TN 6 1398 24255
Baselga di Pinè TN 6 5031 29286
Zambana TN 6 1733 31019
Civezzano TN 7 4002 35021
Segonzano TN 7 1505 36526
Mezzocorona TN 8 5446 41972
Fai della Paganella TN 9 894 42866
Mezzolombardo TN 9 7067 49933
Bedollo TN 10 1483 51416
Salorno BZ 10 3758 55174
Trento TN 11 117317 172491
Roverè della Luna TN 11 1636 174127
Sant'Orsola Terme TN 11 1098 175225
Pergine Valsugana TN 12 21280 196505
Frassilongo TN 12 338 196843
Cavedago TN 12 517 197360
Fierozzo TN 12 469 197829
Spormaggiore TN 12 1289 199118
Sover TN 13 838 199956
Cortina sulla strada del vino BZ 13 642 200598
Andalo TN 14 1076 201674
Palù del Fersina TN 14 173 201847
Ton TN 14 1338 203185
Sporminore TN 15 700 203885
Vignola-Falesina TN 15 162 204047
Magrè sulla strada del vino BZ 15 1279 205326
Campodenno TN 16 1500 206826
Molveno TN 16 1134 207960
Vallelaghi TN 16 5044 213004
Valfloriana TN 16 504 213508
Denno TN 17 1297 214805
Altopiano della Vigolana TN 17 4942 219747
Tenna TN 17 993 220740
Capriana TN 17 588 221328
Calceranica al Lago TN 18 1387 222715
Cortaccia sulla strada del vino BZ 18 2225 224940
Garniga Terme TN 18 388 225328
Contà TN 18 1454 226782
Levico Terme TN 19 7915 234697
Egna BZ 19 5232 239929
Caldonazzo TN 19 3631 243560
Anterivo BZ 20 395 243955

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NE of Trento (117317 inhabitants)
41 Km SW of Bolzano (106441 inhabitants)
73 Km NW of Vicenza (112953 inhabitants)
81 Km N of Verona (258765 inhabitants)
99 Km NW of Treviso (83731 inhabitants)
99 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 2021-09-24
10:03:17		 46.1557 11.1785 1 2022-03-30
13:04:38		 Bollettino Sismico Italiano INGV 101110721
Reviewed
Rev100 		ML 1.0 2021-09-24
10:03:17		 46.1355 11.1832 9 2021-09-24
10:28:31		 Sala Sismica INGV-Roma 95820991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-24 10:03:17 ± 0.15
Latitude 46.1557 ± 0.0090
Longitude 11.1785 ± 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 101110721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1120
Semi-minor axis of confidence ellipse (meter) 1040
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
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 24
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.66370
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 101110721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-18 13:57:53

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 95820991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-24 10:28:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.MGRO.HHZ. 2021-09-24T10:04:57.94 3.0 undecidable manual Sg 14 0
OT.OT05.EHZ. 2021-09-24T10:04:50.68 3.0 negative manual Pg 10.52 0
OT.OT17.EHZ. 2021-09-24T10:04:50.51 3.0 undecidable manual Pg 12.02 0
IX.RSF3.HHZ.02 2021-09-24T10:04:43.94 3.0 undecidable manual Pn -2.01 0
IV.VAGA.HHZ. 2021-09-24T10:04:37.47 3.0 negative manual Pn 1.47 0
IV.TST01.HHZ. 2021-09-24T10:04:34.35 3.0 positive manual Pn 1.75 0
IV.VIVA.HHZ. 2021-09-24T10:04:26.65 3.0 positive manual Pn 0.22 0
IV.SEI.HHZ. 2021-09-24T10:04:25.15 3.0 undecidable manual Sg 5.45 0
MN.TRI.HHZ. 2021-09-24T10:04:18.46 3.0 undecidable manual Sn 2.5 0
IV.CIMA.HNZ. 2021-09-24T10:04:13.36 3.0 negative manual Pn 2.91 0
IV.FDMO.HHZ. 2021-09-24T10:04:10.90 3.0 negative manual Pn 0.01 0
IV.CPGN.EHZ. 2021-09-24T10:04:03.99 3.0 undecidable manual Pg 5.74 0
IV.BDI.HHZ. 2021-09-24T10:03:51.29 3.0 negative manual Pn -1.3 0
IV.BRES.EHZ. 2021-09-24T10:03:31.24 0.1 undecidable manual P 35 73.6707 50 -0.31 87
SI.ABSI.HHZ. 2021-09-24T10:03:29.85 0.3 undecidable manual P 10 64.491 50 -0.28 67
IV.MBAL.EHZ. 2021-09-24T10:03:27.98 0.3 undecidable manual P 206 56.499 91 -0.75 59
IV.MABI.HHZ. 2021-09-24T10:03:27.45 0.3 undecidable manual P 258 52.3032 91 -0.45 66
ST.CARE.EHE. 2021-09-24T10:03:26.82 0.1 undecidable manual P 309 47.619 91 -0.15 95
ST.OZOL.EHE. 2021-09-24T10:03:24.05 0.3 undecidable manual P 341 29.2485 91 0.78 61
IV.CTI.HHZ. 2021-09-24T10:03:24.92 0.3 undecidable manual P 108 38.1285 91 -0.14 72
ST.DOSS.HHZ. 2021-09-24T10:03:23.49 0.1 undecidable manual P 179 30.4473 91 -0.04 100
SI.LUSI.HHZ. 2021-09-24T10:03:23.20 0.1 undecidable manual P 220 28.2495 91 0.11 99
ST.GAGG.HHZ. 2021-09-24T10:03:21.67 0.1 undecidable manual P 245 18.6702 92 0.51 92
ST.PANI.EHZ. 2021-09-24T10:03:21.22 0.1 undecidable manual P 134 16.7721 92 0.45 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.PANI.EHN. ML:1.0 0.00009964999999999998 0.28 AML other m 2021-09-24T10:03:24.78
SI.LUSI.HHN. ML:1.3 0.00010015000000000001 0.16 AML other m 2021-09-24T10:03:24.72
ST.PANI.EHE. ML:0.9 0.0000756 0.44 AML other m 2021-09-24T10:03:24.51
ST.GAGG.HHN. ML:0.9 0.00006815 0.34 AML other m 2021-09-24T10:03:25.31
ST.GAGG.HHE. ML:0.9 0.00008149999999999999 0.48 AML other m 2021-09-24T10:03:27.70
SI.LUSI.HHE. ML:1.0 0.000050900000000000004 1.54 AML other m 2021-09-24T10:03:29.04
IV.CTI.HHN. ML:0.9 0.00002951546 0.3776 AML other m 2021-09-24T10:03:30.84
ST.DOSS.HHN. ML:1.0 0.0000485 1.28 AML other m 2021-09-24T10:03:30.06
ST.DOSS.HHE. ML:1.0 0.000046200000000000005 0.48 AML other m 2021-09-24T10:03:31.58
IV.CTI.HHE. ML:0.8 0.0000266 0.42 AML other m 2021-09-24T10:03:31.56
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