Earthquake (quarry blast) with magnitude of ML 1.0 on date 21-09-2021 and time 17:16:13 (Italy) in region 1 km W Lona Lases (TN)

A magnitude ML 1.0 (quarry blast) earthquake occured in region: 1 km W Lona Lases (TN), on

  • 21-09-2021 15:16:13 (UTC)
  • 21-09-2021 17:16:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1500, 11.2110 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
Lona-Lases TN 1 890 890
Albiano TN 1 1514 2404
Cembra Lisignago TN 3 2364 4768
Baselga di Pinè TN 3 5031 9799
Fornace TN 4 1355 11154
Altavalle TN 4 1648 12802
Giovo TN 5 2513 15315
Segonzano TN 6 1505 16820
Faedo TN 6 616 17436
Civezzano TN 7 4002 21438
Bedollo TN 7 1483 22921
San Michele all'Adige TN 8 3042 25963
Lavis TN 8 8915 34878
Nave San Rocco TN 8 1398 36276
Sant'Orsola Terme TN 9 1098 37374
Zambana TN 9 1733 39107
Fierozzo TN 9 469 39576
Frassilongo TN 10 338 39914
Salorno BZ 10 3758 43672
Pergine Valsugana TN 10 21280 64952
Mezzocorona TN 10 5446 70398
Palù del Fersina TN 11 173 70571
Trento TN 11 117317 187888
Fai della Paganella TN 11 894 188782
Sover TN 11 838 189620
Mezzolombardo TN 12 7067 196687
Roverè della Luna TN 12 1636 198323
Vignola-Falesina TN 13 162 198485
Cortina sulla strada del vino BZ 13 642 199127
Cavedago TN 15 517 199644
Spormaggiore TN 15 1289 200933
Valfloriana TN 15 504 201437
Magrè sulla strada del vino BZ 15 1279 202716
Tenna TN 16 993 203709
Altopiano della Vigolana TN 16 4942 208651
Andalo TN 16 1076 209727
Ton TN 16 1338 211065
Capriana TN 16 588 211653
Calceranica al Lago TN 16 1387 213040
Levico Terme TN 17 7915 220955
Sporminore TN 17 700 221655
Caldonazzo TN 18 3631 225286
Vallelaghi TN 18 5044 230330
Campodenno TN 18 1500 231830
Cortaccia sulla strada del vino BZ 18 2225 234055
Denno TN 19 1297 235352
Novaledo TN 19 1076 236428
Garniga Terme TN 19 388 236816
Anterivo BZ 19 395 237211
Molveno TN 19 1134 238345
Roncegno Terme TN 19 2879 241224
Egna BZ 19 5232 246456
Ronchi Valsugana TN 20 434 246890

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NE of Trento (117317 inhabitants)
41 Km SW of Bolzano (106441 inhabitants)
72 Km NW of Vicenza (112953 inhabitants)
81 Km N of Verona (258765 inhabitants)
96 Km NW of Treviso (83731 inhabitants)
97 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 2021-09-21
15:16:13
46.1497 11.2107 1 2022-03-30
13:04:32
Bollettino Sismico Italiano INGV 100268121
Reviewed
Rev100
ML 0.9 2021-09-21
15:16:13
46.1097 11.2287 10 2021-09-21
15:26:20
Sala Sismica INGV-Roma 95706541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-21 15:16:13 ± 0.11
Latitude 46.1497 ± 0.0072
Longitude 11.2107 ± 0.0091
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 100268121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 800
Semi-minor axis of confidence ellipse (meter) 730
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 336
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.65650
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 95706541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-21 15:26:20

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 100268121
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-28 12:01:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CADC.EHZ. 2021-09-21T15:16:45.89 3.0 undecidable manual S -0.35 0
IV.BRES.EHZ. 2021-09-21T15:16:27.39 0.3 undecidable manual P 33 72.8715 50 -0.21 68
SI.ABSI.HHZ. 2021-09-21T15:16:26.13 0.3 undecidable manual P 7 64.7907 50 -0.22 68
IV.MABI.HHZ. 2021-09-21T15:16:24.08 0.1 undecidable manual P 259 54.6009 91 -0.46 88
ST.CARE.EHZ. 2021-09-21T15:16:23.52 0.1 undecidable manual P 308 50.0166 91 -0.09 96
IV.ZEN8.EHZ. 2021-09-21T15:16:23.24 3.0 undecidable manual P -1.97 0
IV.APPI.EHZ. 2021-09-21T15:16:21.32 0.3 undecidable manual P 2 36.5412 91 0.41 69
IV.CTI.HHZ. 2021-09-21T15:16:20.43 0.1 undecidable manual P 108 35.6421 91 -0.3 95
ST.ZIAN.EHZ. 2021-09-21T15:16:19.92 0.3 undecidable manual P 62 30.5472 91 0.22 73
SI.LUSI.HHZ. 2021-09-21T15:16:19.58 0.1 undecidable manual P 224 29.4483 91 0.08 100
ST.DOSS.HHZ. 2021-09-21T15:16:19.40 0.1 undecidable manual P 183 29.8479 91 -0.18 98
ST.GAGG.HHZ. 2021-09-21T15:16:18.22 0.1 undecidable manual P 249 20.6682 91 0.47 93
ST.PANI.EHZ. 2021-09-21T15:16:16.81 0.1 undecidable manual P 139 14.5743 92 0.29 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.PANI.EHE. ML:1.0 0.00012140000000000001 0.44 AML other m 2021-09-21T15:16:19.29
ST.PANI.EHN. ML:1.1 0.0001635 0.46 AML other m 2021-09-21T15:16:19.30
ST.DOSS.HHN. ML:0.8 0.0000345 0.5 AML other m 2021-09-21T15:16:25.99
IV.CTI.HHN. ML:1.0 0.0000408 0.5 AML other m 2021-09-21T15:16:25.52
ST.DOSS.HHE. ML:0.9 0.000040300000000000004 0.52 AML other m 2021-09-21T15:16:26.71
IV.CTI.HHE. ML:0.9 0.000033350000000000004 0.46 AML other m 2021-09-21T15:16:30.52
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