Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 1.0 on date 05-08-2021 and time 15:43:46 (UTC) in region 2 km W Albiano (TN)

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

  • 05-08-2021 15:43:46 (UTC)
  • 05-08-2021 17:43:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1430, 11.1710 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 4 890 4917
Fornace TN 4 1355 6272
Lavis TN 5 8915 15187
Cembra Lisignago TN 5 2364 17551
Nave San Rocco TN 6 1398 18949
Faedo TN 6 616 19565
Zambana TN 6 1733 21298
Baselga di Pinè TN 6 5031 26329
Civezzano TN 6 4002 30331
San Michele all'Adige TN 6 3042 33373
Altavalle TN 7 1648 35021
Segonzano TN 9 1505 36526
Fai della Paganella TN 9 894 37420
Trento TN 9 117317 154737
Mezzocorona TN 9 5446 160183
Mezzolombardo TN 10 7067 167250
Bedollo TN 11 1483 168733
Pergine Valsugana TN 11 21280 190013
Sant'Orsola Terme TN 11 1098 191111
Salorno BZ 11 3758 194869
Frassilongo TN 11 338 195207
Cavedago TN 12 517 195724
Fierozzo TN 12 469 196193
Roverè della Luna TN 12 1636 197829
Spormaggiore TN 13 1289 199118
Andalo TN 13 1076 200194
Vignola-Falesina TN 14 162 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
Molveno TN 16 1134 215167
Tenna TN 16 993 216160
Magrè sulla strada del vino BZ 16 1279 217439
Calceranica al Lago TN 16 1387 218826
Campodenno TN 17 1500 220326
Garniga Terme TN 17 388 220714
Denno TN 17 1297 222011
Valfloriana TN 18 504 222515
Levico Terme TN 18 7915 230430
Caldonazzo TN 18 3631 234061
Capriana TN 19 588 234649
Contà TN 19 1454 236103
Aldeno TN 19 3059 239162
Cortaccia sulla strada del vino BZ 20 2225 241387
Madruzzo TN 20 2884 244271
Cimone TN 20 728 244999

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 Padova (210401 inhabitants)
99 Km NW of Treviso (83731 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 1.0 2021-08-05
15:43:46		 46.1432 11.1712 1 2021-12-29
11:12:51		 Bollettino Sismico Italiano INGV 97396561
Reviewed
Rev100 		ML 1.0 2021-08-05
15:43:46		 46.1423 11.19 8 2021-08-05
15:52:03		 Sala Sismica INGV-Roma 93726231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-05 15:43:46 ± 0.12
Latitude 46.1432 ± 0.0072
Longitude 11.1712 ± 0.0117
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 97396561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 950
Semi-minor axis of confidence ellipse (meter) 740
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) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50092
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 97396561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-11 13:09:49

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 93726231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-05 15:52:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CPGN.EHZ. 2021-08-05T15:45:04.74 3.0 undecidable manual Sg 10.18 0
IV.NDIM.HNZ. 2021-08-05T15:44:25.02 3.0 undecidable manual S -0.18 0
IV.STAL.HHZ. 2021-08-05T15:44:10.04 3.0 undecidable manual P 4.66 0
SI.ROSI.HHZ. 2021-08-05T15:44:02.29 3.0 positive manual P 0.17 0
IV.BRES.EHZ. 2021-08-05T15:43:59.90 3.0 negative manual P 0.08 0
SI.ABSI.HHZ. 2021-08-05T15:43:58.39 3.0 negative manual P -0.09 0
IV.ROVR.HHZ. 2021-08-05T15:43:56.44 0.3 undecidable manual P 188 55.5999 91 -0.89 55
IV.MABI.HHZ. 2021-08-05T15:43:56.02 0.3 undecidable manual P 259 51.5151 91 -0.49 65
ST.RONC.EHZ. 2021-08-05T15:43:55.42 0.3 undecidable manual P 247 45.9207 91 0.03 73
ST.CARE.EHZ. 2021-08-05T15:43:55.41 0.3 undecidable manual P 311 48.1185 91 -0.42 67
ST.VARA.EHZ. 2021-08-05T15:43:54.35 0.3 undecidable manual P 211 41.0256 91 -0.07 73
SI.KOSI.HHZ. 2021-08-05T15:43:53.88 0.3 undecidable manual P 24 38.8278 91 -0.1 72
IV.APPI.EHE. 2021-08-05T15:43:53.75 0.3 undecidable manual P 7 37.4292 91 0.05 73
ST.OZOL.EHE. 2021-08-05T15:43:52.65 0.3 undecidable manual P 342 30.3474 91 0.37 69
ST.DOSS.HHZ. 2021-08-05T15:43:52.01 0.1 undecidable manual P 177 29.1486 91 -0.02 100
ST.ZIAN.EHZ. 2021-08-05T15:43:52.72 0.3 undecidable manual P 64 33.5442 91 -0.19 72
SI.LUSI.HHZ. 2021-08-05T15:43:51.83 0.1 positive manual P 221 26.8509 91 0.25 96
ST.GAGG.HHZ. 2021-08-05T15:43:50.26 0.1 undecidable manual P 248 17.6712 92 0.54 91
ST.PANI.EHZ. 2021-08-05T15:43:49.77 0.1 undecidable manual P 129 16.2726 92 0.32 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.PANI.EHE. ML:0.9 0.00008149999999999999 0.32 AML other m 2021-08-05T15:43:52.42
ST.DOSS.HHE. ML:0.9 0.0000435 0.72 AML other m 2021-08-05T15:43:53.49
ST.PANI.EHN. ML:1.0 0.00011899999999999999 0.38 AML other m 2021-08-05T15:43:53.64
ST.DOSS.HHN. ML:1.0 0.00005205 1.46 AML other m 2021-08-05T15:43:53.90
ST.GAGG.HHN. ML:1.0 0.00009095 0.96 AML other m 2021-08-05T15:43:54.93
ST.GAGG.HHE. ML:0.9 0.00007925 0.72 AML other m 2021-08-05T15:43:55.37
IV.MABI.HHN. ML:0.8 0.00001575 0.54 AML other m 2021-08-05T15:43:56.54
SI.LUSI.HHN. ML:1.3 0.00011999999999999999 0.24 AML other m 2021-08-05T15:43:57.32
SI.LUSI.HHE. ML:1.1 0.00008215 0.3 AML other m 2021-08-05T15:43:57.31
IV.MABI.HHE. ML:0.6 0.00001055 1.22 AML other m 2021-08-05T15:44:04.27
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