Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 1.1 on date 08-09-2021 and time 12:01:26 (Italy) in region 2 km NW Albiano (TN)

A magnitude ML 1.1 (quarry blast) earthquake occured in region: 2 km NW Albiano (TN), on

  • 08-09-2021 10:01:26 (UTC)
  • 08-09-2021 12:01:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1540, 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 5 616 7897
Fornace TN 5 1355 9252
Lavis TN 5 8915 18167
San Michele all'Adige TN 6 3042 21209
Nave San Rocco TN 6 1398 22607
Altavalle TN 6 1648 24255
Baselga di Pinè TN 6 5031 29286
Zambana TN 6 1733 31019
Civezzano TN 7 4002 35021
Segonzano TN 8 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 10 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
Fierozzo TN 12 469 197312
Cavedago TN 12 517 197829
Spormaggiore TN 12 1289 199118
Sover TN 13 838 199956
Cortina sulla strada del vino BZ 13 642 200598
Andalo TN 13 1076 201674
Palù del Fersina TN 14 173 201847
Ton TN 14 1338 203185
Vignola-Falesina TN 15 162 203347
Sporminore TN 15 700 204047
Magrè sulla strada del vino BZ 15 1279 205326
Campodenno TN 16 1500 206826
Vallelaghi TN 16 5044 211870
Molveno TN 16 1134 213004
Valfloriana TN 17 504 213508
Denno TN 17 1297 214805
Altopiano della Vigolana TN 17 4942 219747
Tenna TN 17 993 220740
Calceranica al Lago TN 17 1387 222127
Capriana TN 17 588 222715
Garniga Terme TN 18 388 223103
Cortaccia sulla strada del vino BZ 18 2225 225328
Contà TN 18 1454 226782
Levico Terme TN 19 7915 234697
Caldonazzo TN 19 3631 238328
Egna BZ 19 5232 243560

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 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 1.1 2021-09-08
10:01:26		 46.1543 11.178 1 2022-03-30
13:04:39		 Bollettino Sismico Italiano INGV 101397551
Reviewed
Rev100 		ML 1.1 2021-09-08
10:01:26		 46.1453 11.1918 8 2021-09-08
10:08:47		 Sala Sismica INGV-Roma 95191991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-08 10:01:26 ± 0.08
Latitude 46.1543 ± 0.0054
Longitude 11.1780 ± 0.0078
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 101397551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 660
Semi-minor axis of confidence ellipse (meter) 560
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 307
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
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 16
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.78960
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 23
Type of magnitude ML
Reference to an origin 95191991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-08 10:08:47

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 23
Type of magnitude ML
Reference to an origin 101397551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-24 00:19:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZCCA.HNZ. 2021-09-08T10:02:18.24 3.0 undecidable manual Sn -0.34 0
IV.ZCCA.HNZ. 2021-09-08T10:01:58.52 3.0 undecidable manual Pg 2.93 0
SI.ROSI.HHZ. 2021-09-08T10:01:42.56 0.3 undecidable manual P 12 87.6456 50 -0.2 65
SI.ABSI.HHZ. 2021-09-08T10:01:38.94 0.3 undecidable manual P 10 64.5909 50 -0.27 67
ST.RONC.EHZ. 2021-09-08T10:01:36.03 0.3 undecidable manual P 246 46.9197 91 0.16 71
IV.MABI.HHZ. 2021-09-08T10:01:36.38 0.3 undecidable manual P 258 52.2033 91 -0.57 64
ST.CARE.EHZ. 2021-09-08T10:01:35.76 0.3 undecidable manual P 309 47.7189 91 -0.28 69
SI.KOSI.HHE. 2021-09-08T10:01:34.13 0.6 undecidable manual P 24 37.5291 91 0.14 48
ST.ZIAN.EHZ. 2021-09-08T10:01:33.04 0.1 undecidable manual P 65 32.5452 91 0.05 99
IV.APPI.EHZ. 2021-09-08T10:01:33.88 0.3 undecidable manual P 6 36.1416 91 0.15 72
IV.CTI.HHZ. 2021-09-08T10:01:33.76 0.3 undecidable manual P 108 38.1285 91 -0.36 69
SI.LUSI.HHZ. 2021-09-08T10:01:32.17 0.1 positive manual P 220 28.1496 91 0.05 100
ST.OZOL.EHZ. 2021-09-08T10:01:32.77 0.3 undecidable manual P 341 29.3484 91 0.41 69
ST.DOSS.HHZ. 2021-09-08T10:01:32.37 0.1 undecidable manual P 178 30.3474 91 -0.19 97
ST.GAGG.HHZ. 2021-09-08T10:01:30.54 0.1 undecidable manual P 245 18.5703 92 0.33 96
ST.PANI.EHZ. 2021-09-08T10:01:30.14 0.3 positive manual P 134 16.6722 92 0.32 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.PANI.EHN. ML:1.3 0.00020425915 0.2816 AML other m 2021-09-08T10:01:34.15
ST.PANI.EHE. ML:1.1 0.00012644439999999997 0.5184 AML other m 2021-09-08T10:01:34.10
ST.GAGG.HNE. ML:1.0 0.000085874145 0.48 AML other m 2021-09-08T10:01:34.64
ST.GAGG.HHE. ML:1.2 0.00013215 0.22 AML other m 2021-09-08T10:01:35.24
ST.GAGG.HNN. ML:1.2 0.00016241719999999997 0.6976 AML other m 2021-09-08T10:01:36.43
ST.DOSS.HHN. ML:1.0 0.00005587801 0.32 AML other m 2021-09-08T10:01:37.28
SI.LUSI.HHN. ML:1.4 0.000156414 0.4352 AML other m 2021-09-08T10:01:37.56
SI.LUSI.HHE. ML:1.2 0.00009029999999999999 1.44 AML other m 2021-09-08T10:01:37.26
ST.GAGG.HHN. ML:1.0 0.00009154999999999999 1.12 AML other m 2021-09-08T10:01:38.08
ST.OZOL.EHE. ML:1.5 0.00015999999999999999 0.32 AML other m 2021-09-08T10:01:39.22
ST.OZOL.EHN. ML:1.2 0.00009455 1.26 AML other m 2021-09-08T10:01:39.98
ST.DOSS.HNN. ML:1.1 0.00006388353149999999 0.4224 AML other m 2021-09-08T10:01:39.35
IV.APPI.EHE. ML:0.9 0.0000359 0.42 AML other m 2021-09-08T10:01:39.26
ST.DOSS.HHE. ML:1.1 0.00005830000000000001 0.5 AML other m 2021-09-08T10:01:40.35
IV.CTI.HHE. ML:1.2 0.000056999999999999996 0.92 AML other m 2021-09-08T10:01:40.36
IV.CTI.HHN. ML:1.2 0.0000626 1.08 AML other m 2021-09-08T10:01:40.88
IV.APPI.EHN. ML:1.0 0.00004046901 1.6608 AML other m 2021-09-08T10:01:41.93
ST.CARE.EHE. ML:0.6 0.0000118465455 1.6992 AML other m 2021-09-08T10:01:44.06
IV.MABI.HHE. ML:0.9 0.00001805 0.24 AML other m 2021-09-08T10:01:44.44
IV.MABI.HHN. ML:0.9 0.00001915 0.98 AML other m 2021-09-08T10:01:44.12
ST.DOSS.HNE. ML:1.2 0.000085938955 1.0976 AML other m 2021-09-08T10:01:45.16
SI.ABSI.HHN. ML:1.1 0.00002375 1.26 AML other m 2021-09-08T10:01:48.22
SI.ABSI.HHE. ML:1.1 0.00002375 0.78 AML other m 2021-09-08T10:01:56.60
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