Earthquake (quarry blast) with magnitude of ML 0.9 on date 16-04-2021 and time 17:30:57 (Italy) in region 1 km W Albiano (TN)

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

  • 16-04-2021 15:30:57 (UTC)
  • 16-04-2021 17:30:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1430, 11.1810 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.

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 3 1355 6272
Cembra Lisignago TN 5 2364 8636
Baselga di Pinè TN 5 5031 13667
Lavis TN 5 8915 22582
Civezzano TN 6 4002 26584
Faedo TN 6 616 27200
Altavalle TN 6 1648 28848
Nave San Rocco TN 6 1398 30246
Zambana TN 7 1733 31979
San Michele all'Adige TN 7 3042 35021
Segonzano TN 8 1505 36526
Trento TN 9 117317 153843
Fai della Paganella TN 9 894 154737
Mezzocorona TN 10 5446 160183
Bedollo TN 10 1483 161666
Pergine Valsugana TN 10 21280 182946
Sant'Orsola Terme TN 10 1098 184044
Mezzolombardo TN 11 7067 191111
Frassilongo TN 11 338 191449
Salorno BZ 11 3758 195207
Fierozzo TN 11 469 195676
Roverè della Luna TN 12 1636 197312
Cavedago TN 13 517 197829
Spormaggiore TN 13 1289 199118
Vignola-Falesina TN 13 162 199280
Palù del Fersina TN 13 173 199453
Sover TN 14 838 200291
Andalo TN 14 1076 201367
Cortina sulla strada del vino BZ 14 642 202009
Altopiano della Vigolana TN 15 4942 206951
Sporminore TN 16 700 207651
Ton TN 16 1338 208989
Tenna TN 16 993 209982
Vallelaghi TN 16 5044 215026
Calceranica al Lago TN 16 1387 216413
Magrè sulla strada del vino BZ 16 1279 217692
Molveno TN 17 1134 218826
Garniga Terme TN 17 388 219214
Campodenno TN 17 1500 220714
Valfloriana TN 17 504 221218
Levico Terme TN 17 7915 229133
Denno TN 18 1297 230430
Caldonazzo TN 18 3631 234061
Capriana TN 18 588 234649
Cortaccia sulla strada del vino BZ 19 2225 236874
Novaledo TN 20 1076 237950
Aldeno TN 20 3059 241009
Contà TN 20 1454 242463

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 2021-04-16
15:30:57
46.1432 11.1813 1 2021-07-12
16:55:15
Bollettino Sismico Italiano INGV 91277981
Reviewed
Rev100
ML 0.9 2021-04-16
15:30:57
46.1485 11.1727 10 2021-04-16
15:40:38
Sala Sismica INGV-Roma 89149531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-16 15:30:57 ± 0.11
Latitude 46.1432 ± 0.0072
Longitude 11.1813 ± 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 91277981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 930
Semi-minor axis of confidence ellipse (meter) 680
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 306
Circular confidence region, given by single value of horizontal uncertainty (meter) 930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
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) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.14119
Epicentral distance of station farthest from the epicenter (degree) 0.80040
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 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 91277981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-14 14:49:37

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 89149531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-16 15:40:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.ROSI.HHZ. 2021-04-16T15:31:13.49 0.3 undecidable manual P 11 88.8444 50 -0.26 64
IV.BRES.EHZ. 2021-04-16T15:31:11.04 0.1 undecidable manual P 34 74.7696 50 -0.54 82
IV.MAGA.HHZ. 2021-04-16T15:31:08.68 0.3 undecidable manual P 226 58.9965 90 -0.43 65
IV.MABI.HHZ. 2021-04-16T15:31:07.26 0.3 undecidable manual P 259 52.3032 91 -0.5 65
IV.MBAL.EHZ. 2021-04-16T15:31:07.73 0.6 undecidable manual P 207 55.3002 91 -0.64 41
SI.KOSI.HHZ. 2021-04-16T15:31:05.10 0.1 undecidable manual P 23 38.5281 91 0.09 97
IV.CTI.HHZ. 2021-04-16T15:31:04.60 0.1 undecidable manual P 106 37.5291 91 -0.2 95
IV.APPI.EHZ. 2021-04-16T15:31:04.89 0.3 undecidable manual P 5 37.4292 91 0.11 72
ST.OZOL.EHZ. 2021-04-16T15:31:03.81 0.3 undecidable manual P 341 30.5472 91 0.39 69
ST.DOSS.HHZ. 2021-04-16T15:31:03.11 0.1 undecidable manual P 179 29.1486 91 -0.01 100
ST.ZIAN.EHZ. 2021-04-16T15:31:03.96 0.1 undecidable manual P 63 32.8449 91 0.1 98
SI.LUSI.HHZ. 2021-04-16T15:31:02.99 0.1 positive manual P 222 27.3504 91 0.21 96
ST.GAGG.HHZ. 2021-04-16T15:31:01.51 0.1 undecidable manual P 249 18.3705 92 0.55 90
ST.PANI.EHZ. 2021-04-16T15:31:00.88 0.1 undecidable manual P 131 15.6732 92 0.46 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.DOSS.HHE. ML:0.9 0.000043450000000000006 0.12 AML other m 2021-04-16T15:31:04.08
ST.DOSS.HHN. ML:1.0 0.00004991537 0.1408 AML other m 2021-04-16T15:31:04.19
ST.DOSS.HNN. ML:0.8 0.00003571382799999999 0.3712 AML other m 2021-04-16T15:31:04.29
ST.DOSS.HNE. ML:1.0 0.000054439255 0.256 AML other m 2021-04-16T15:31:04.56
ST.PANI.EHN. ML:0.8 0.00007568751500000001 0.4736 AML other m 2021-04-16T15:31:04.82
ST.GAGG.HHE. ML:0.8 0.00005760169 0.1664 AML other m 2021-04-16T15:31:04.95
ST.GAGG.HHN. ML:0.8 0.00005925 0.14 AML other m 2021-04-16T15:31:05.13
ST.GAGG.HNE. ML:0.8 0.00005618513 0.1408 AML other m 2021-04-16T15:31:05.13
IV.APPI.EHE. ML:0.8 0.0000251344265 0.0768 AML other m 2021-04-16T15:31:05.52
ST.PANI.EHE. ML:0.6 0.00004430328 0.2304 AML other m 2021-04-16T15:31:05.75
IV.APPI.EHN. ML:0.8 0.00002508624 0.1024 AML other m 2021-04-16T15:31:05.81
SI.LUSI.HHE. ML:0.9 0.00005187709 0.1536 AML other m 2021-04-16T15:31:07.93
SI.LUSI.HHN. ML:1.3 0.00010741115 0.3712 AML other m 2021-04-16T15:31:08.56
ST.OZOL.EHE. ML:1.0 0.000055663539999999996 0.2432 AML other m 2021-04-16T15:31:08.75
ST.OZOL.EHN. ML:1.0 0.00004362821 0.2816 AML other m 2021-04-16T15:31:09.41
ST.ZIAN.EHE. ML:0.8 0.000032383010500000004 0.3968 AML other m 2021-04-16T15:31:09.77
ST.ZIAN.EHN. ML:0.5 0.000015408498 0.1408 AML other m 2021-04-16T15:31:10.84
IV.CTI.HHN. ML:1.0 0.000040892765 0.1408 AML other m 2021-04-16T15:31:10.85
IV.BRES.EHE. ML:1.1 0.0000215667005 0.4352 AML other m 2021-04-16T15:31:11.46
IV.BRES.EHN. ML:1.4 0.000032993714999999997 0.1152 AML other m 2021-04-16T15:31:11.44
SI.KOSI.HHE. ML:0.6 0.000015842735 0.256 AML other m 2021-04-16T15:31:12.26
IV.CTI.HHE. ML:0.9 0.00002874583 0.1536 AML other m 2021-04-16T15:31:12.38
IV.MABI.HHN. ML:0.6 0.00001071 1.58 AML other m 2021-04-16T15:31:14.93
IV.MABI.HHE. ML:0.3 0.0000074592195 0.1408 AML other m 2021-04-16T15:31:15.21
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