Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 0.7 on date 28-05-2021 and time 17:42:28 (Italy) in region 1 km NW Albiano (TN)

A magnitude ML 0.7 (quarry blast) earthquake occured in region: 1 km NW Albiano (TN), on

  • 28-05-2021 15:42:28 (UTC)
  • 28-05-2021 17:42:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1560, 11.1820 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
Altavalle TN 5 1648 10900
San Michele all'Adige TN 6 3042 13942
Baselga di Pinè TN 6 5031 18973
Lavis TN 6 8915 27888
Nave San Rocco TN 6 1398 29286
Zambana TN 7 1733 31019
Civezzano TN 7 4002 35021
Segonzano TN 7 1505 36526
Mezzocorona TN 8 5446 41972
Fai della Paganella TN 9 894 42866
Bedollo TN 9 1483 44349
Mezzolombardo TN 10 7067 51416
Salorno BZ 10 3758 55174
Roverè della Luna TN 11 1636 56810
Trento TN 11 117317 174127
Sant'Orsola Terme TN 11 1098 175225
Frassilongo TN 12 338 175563
Pergine Valsugana TN 12 21280 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
Palù del Fersina TN 14 173 200771
Andalo TN 14 1076 201847
Ton TN 14 1338 203185
Vignola-Falesina TN 14 162 203347
Sporminore TN 15 700 204047
Magrè sulla strada del vino BZ 15 1279 205326
Campodenno TN 16 1500 206826
Valfloriana TN 16 504 207330
Vallelaghi TN 17 5044 212374
Molveno TN 17 1134 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
Levico Terme TN 19 7915 233243
Contà TN 19 1454 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 0.7 2021-05-28
15:42:28		 46.1558 11.1822 1 2021-12-29
11:12:17		 Bollettino Sismico Italiano INGV 93581191
Reviewed
Rev100 		ML 0.7 2021-05-28
15:42:28		 46.1287 11.1808 10 2021-05-28
15:55:02		 Sala Sismica INGV-Roma 90571251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-28 15:42:28 ± 0.15
Latitude 46.1558 ± 0.0090
Longitude 11.1822 ± 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 93581191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1230
Semi-minor axis of confidence ellipse (meter) 900
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 298
Circular confidence region, given by single value of horizontal uncertainty (meter) 1230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58006
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 90571251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-28 15:55:02

ML:0.7

Field Value
Value 0.7
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 93581191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-08-02 23:28:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRLC.HHZ. 2021-05-28T15:44:04.42 3.0 undecidable manual Pn 5.51 0
IV.MNTT.EHZ. 2021-05-28T15:44:03.35 3.0 undecidable manual Sn -0.2 0
IV.QLNO.HHZ. 2021-05-28T15:43:58.07 3.0 undecidable manual Sg 13.01 0
IV.ARVD.HHZ. 2021-05-28T15:43:18.25 3.0 undecidable manual Pn 4.66 0
IV.RIBO.EHZ.01 2021-05-28T15:43:17.87 3.0 undecidable manual Pn 0.31 0
IV.CAPR.HNZ. 2021-05-28T15:43:04.44 3.0 undecidable manual S 0.62 0
IV.NDIM.HHZ. 2021-05-28T15:42:50.23 3.0 undecidable manual P -1.04 0
IV.STAL.HHZ. 2021-05-28T15:42:48.05 3.0 undecidable manual P 0.02 0
IV.ZEN8.EHZ. 2021-05-28T15:42:44.55 3.0 undecidable manual P 3.87 0
IV.VOBA.EHZ. 2021-05-28T15:42:43.46 3.0 negative manual P 0.86 0
SI.ABSI.HHE. 2021-05-28T15:42:40.81 0.3 undecidable manual P 9 64.3911 50 -0.39 65
IV.MBAL.EHZ. 2021-05-28T15:42:38.87 3.0 positive manual P 0.04 0
SI.KOSI.HHZ. 2021-05-28T15:42:36.17 0.3 undecidable manual P 24 37.2294 91 0.22 71
SI.LUSI.HHZ. 2021-05-28T15:42:34.04 0.1 undecidable manual P 220 28.4493 91 -0.17 97
ST.DOSS.HHZ. 2021-05-28T15:42:34.43 0.3 undecidable manual P 179 30.5472 91 -0.19 73
ST.GAGG.HHZ. 2021-05-28T15:42:32.57 0.1 undecidable manual P 245 18.9699 92 0.27 97
ST.PANI.EHZ. 2021-05-28T15:42:31.96 0.1 undecidable manual P 135 16.5723 92 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.GAGG.HNE. ML:0.8 0.0000618709145 0.5504 AML other m 2021-05-28T15:42:32.93
SI.LUSI.HHN. ML:0.9 0.000046243955 0.1792 AML other m 2021-05-28T15:42:35.54
ST.PANI.EHN. ML:0.4 0.00002622431 0.4608 AML other m 2021-05-28T15:42:35.68
ST.GAGG.HHN. ML:0.4 0.000020176815 0.1536 AML other m 2021-05-28T15:42:36.29
ST.GAGG.HHE. ML:0.4 0.00002214439 0.3968 AML other m 2021-05-28T15:42:37.52
ST.PANI.EHE. ML:0.3 0.0000211888685 1.424 AML other m 2021-05-28T15:42:38.14
ST.GAGG.HNN. ML:0.9 0.000065250895 0.6016 AML other m 2021-05-28T15:42:39.51
SI.LUSI.HHE. ML:0.6 0.000019244615 0.2944 AML other m 2021-05-28T15:42:39.79
SI.KOSI.HHE. ML:0.6 0.0000149919415 0.832 AML other m 2021-05-28T15:42:41.54
SI.KOSI.HHN. ML:0.6 0.000016013065 0.4864 AML other m 2021-05-28T15:42:49.47
IV.MBAL.HNE. ML:1.8 0.00015551701499999998 0.912 AML other m 2021-05-28T15:42:54.74
IV.MBAL.HNN. ML:1.8 0.00013965015 0.7808 AML other m 2021-05-28T15:42:59.75
IV.MBAL.EHE. ML:1.0 0.0000194658075 0.3968 AML other m 2021-05-28T15:43:01.47
IV.MBAL.EHN. ML:1.0 0.0000222718275 0.5632 AML other m 2021-05-28T15:43:02.14
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