Earthquake (quarry blast) with magnitude of ML 0.9 on date 31-08-2020 and time 15:28:06 (UTC) in region 1 km SW Lona Lases (TN)

A magnitude ML 0.9 (quarry blast) earthquake occured in region: 1 km SW Lona Lases (TN), on

  • 31-08-2020 15:28:06 (UTC)
  • 31-08-2020 17:28:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.141, 11.213 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 2 1514 2404
Fornace TN 3 1355 3759
Baselga di Pinè TN 3 5031 8790
Cembra Lisignago TN 4 2364 11154
Altavalle TN 5 1648 12802
Giovo TN 5 2513 15315
Civezzano TN 6 4002 19317
Segonzano TN 7 1505 20822
Faedo TN 7 616 21438
Bedollo TN 7 1483 22921
Lavis TN 8 8915 31836
Sant'Orsola Terme TN 8 1098 32934
San Michele all'Adige TN 8 3042 35976
Nave San Rocco TN 9 1398 37374
Frassilongo TN 9 338 37712
Fierozzo TN 9 469 38181
Zambana TN 9 1733 39914
Pergine Valsugana TN 9 21280 61194
Trento TN 11 117317 178511
Palù del Fersina TN 11 173 178684
Salorno BZ 11 3758 182442
Mezzocorona TN 11 5446 187888
Fai della Paganella TN 12 894 188782
Vignola-Falesina TN 12 162 188944
Sover TN 12 838 189782
Mezzolombardo TN 12 7067 196849
Roverè della Luna TN 13 1636 198485
Cortina sulla strada del vino BZ 14 642 199127
Tenna TN 15 993 200120
Cavedago TN 15 517 200637
Altopiano della Vigolana TN 15 4942 205579
Spormaggiore TN 15 1289 206868
Calceranica al Lago TN 15 1387 208255
Valfloriana TN 16 504 208759
Levico Terme TN 16 7915 216674
Magrè sulla strada del vino BZ 16 1279 217953
Andalo TN 16 1076 219029
Capriana TN 17 588 219617
Ton TN 17 1338 220955
Caldonazzo TN 17 3631 224586
Sporminore TN 18 700 225286
Novaledo TN 18 1076 226362
Vallelaghi TN 18 5044 231406
Garniga Terme TN 18 388 231794
Roncegno Terme TN 18 2879 234673
Campodenno TN 19 1500 236173
Molveno TN 19 1134 237307
Ronchi Valsugana TN 19 434 237741
Cortaccia sulla strada del vino BZ 19 2225 239966
Denno TN 19 1297 241263
Anterivo BZ 19 395 241658
Torcegno TN 20 697 242355
Egna BZ 20 5232 247587

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NE of Trento (117317 inhabitants)
41 Km S of Bolzano (106441 inhabitants)
71 Km NW of Vicenza (112953 inhabitants)
80 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 0.9 2020-08-31
15:28:06
46.1413 11.2128 1 2020-11-19
12:37:07
Bollettino Sismico Italiano INGV 84741151
Reviewed
Rev100
ML 0.9 2020-08-31
15:28:06
46.1173 11.2322 10 2020-08-31
15:37:01
Sala Sismica INGV-Roma 82495441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-31 15:28:06 ± 0.1
Latitude 46.1413 ± 0.0054
Longitude 11.2128 ± 0.0104
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 84741151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 770
Semi-minor axis of confidence ellipse (meter) 620
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 285
Circular confidence region, given by single value of horizontal uncertainty (meter) 770
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.12411
Epicentral distance of station farthest from the epicenter (degree) 0.45686
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 84741151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-15 03:12:42

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 82495441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-31 15:37:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
ST.CARE.EHZ. 2020-08-31T15:28:16.63 0.3 undecidable manual P 309 0.4569 91 -0.49 66
IV.APPI.EHZ. 2020-08-31T15:28:14.47 0.3 undecidable manual P 2 0.3372 91 0.01 74
SI.KOSI.HHZ. 2020-08-31T15:28:14.52 0.3 undecidable manual P 19 0.3408 91 -0.02 74
ST.OZOL.HNZ. 2020-08-31T15:28:13.61 0.3 undecidable manual P 337 0.2851 91 0.31 70
ST.ZIAN.EHZ. 2020-08-31T15:28:13.03 0.3 undecidable manual P 61 0.277 91 -0.09 74
ST.DOSS.HHZ. 2020-08-31T15:28:12.49 0.3 undecidable manual P 184 0.2608 91 -0.28 71
SI.LUSI.HHZ. 2020-08-31T15:28:12.69 0.1 undecidable manual P 226 0.2608 91 -0.06 99
ST.GAGG.HHZ. 2020-08-31T15:28:11.37 0.1 undecidable manual P 252 0.1853 91 0.29 96
ST.PANI.EHZ. 2020-08-31T15:28:09.88 0.1 undecidable manual P 137 0.1241 92 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.PANI.EHE. ML:1 0.0001285 0.46 AML other m 2020-08-31T15:28:12.17
ST.PANI.EHN. ML:1.1 0.000148 0.46 AML other m 2020-08-31T15:28:12.63
ST.DOSS.HHE. ML:0.8 2.91E-5 0.36 AML other m 2020-08-31T15:28:17.45
SI.LUSI.HHE. ML:0.8 3.425E-5 0.6 AML other m 2020-08-31T15:28:17.93
SI.LUSI.HHN. ML:1.1 6.74E-5 0.48 AML other m 2020-08-31T15:28:18.04
ST.GAGG.HHE. ML:0.8 4.95E-5 0.7 AML other m 2020-08-31T15:28:18.09
ST.DOSS.HHN. ML:0.8 3.255E-5 1.5 AML other m 2020-08-31T15:28:18.09
ST.GAGG.HHN. ML:0.6 3.555E-5 1.12 AML other m 2020-08-31T15:28:20.99
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