Earthquake (quarry blast) with magnitude of ML 0.9 on date 08-04-2021 and time 10:12:30 (UTC) in region 1 km NW Albiano (TN)

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

  • 08-04-2021 10:12:30 (UTC)
  • 08-04-2021 12:12:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1520, 11.1860 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
Lona-Lases TN 3 890 2404
Giovo TN 3 2513 4917
Cembra Lisignago TN 4 2364 7281
Fornace TN 4 1355 8636
Faedo TN 5 616 9252
Baselga di Pinè TN 5 5031 14283
Altavalle TN 5 1648 15931
Lavis TN 6 8915 24846
San Michele all'Adige TN 6 3042 27888
Nave San Rocco TN 6 1398 29286
Civezzano TN 7 4002 33288
Zambana TN 7 1733 35021
Segonzano TN 7 1505 36526
Mezzocorona TN 9 5446 41972
Bedollo TN 9 1483 43455
Fai della Paganella TN 9 894 44349
Salorno BZ 10 3758 48107
Mezzolombardo TN 10 7067 55174
Sant'Orsola Terme TN 10 1098 56272
Trento TN 10 117317 173589
Frassilongo TN 11 338 173927
Pergine Valsugana TN 11 21280 195207
Fierozzo TN 11 469 195676
Roverè della Luna TN 11 1636 197312
Cavedago TN 13 517 197829
Sover TN 13 838 198667
Spormaggiore TN 13 1289 199956
Palù del Fersina TN 13 173 200129
Cortina sulla strada del vino BZ 13 642 200771
Vignola-Falesina TN 14 162 200933
Andalo TN 14 1076 202009
Ton TN 15 1338 203347
Sporminore TN 15 700 204047
Magrè sulla strada del vino BZ 15 1279 205326
Altopiano della Vigolana TN 16 4942 210268
Valfloriana TN 16 504 210772
Tenna TN 16 993 211765
Vallelaghi TN 17 5044 216809
Campodenno TN 17 1500 218309
Molveno TN 17 1134 219443
Calceranica al Lago TN 17 1387 220830
Denno TN 17 1297 222127
Capriana TN 17 588 222715
Garniga Terme TN 18 388 223103
Levico Terme TN 18 7915 231018
Cortaccia sulla strada del vino BZ 18 2225 233243
Caldonazzo TN 19 3631 236874
Contà TN 19 1454 238328
Egna BZ 19 5232 243560
Anterivo BZ 20 395 243955
Novaledo TN 20 1076 245031

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 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)
98 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 0.9 2021-04-08
10:12:30
46.152 11.1862 1 2021-07-12
16:55:15
Bollettino Sismico Italiano INGV 91332521
Reviewed
Rev100
ML 1.0 2021-04-08
10:12:30
46.1522 11.1907 8 2021-04-08
10:20:11
Sala Sismica INGV-Roma 88914191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-08 10:12:30 ± 0.11
Latitude 46.1520 ± 0.0072
Longitude 11.1862 ± 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 91332521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 990
Semi-minor axis of confidence ellipse (meter) 720
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 299
Circular confidence region, given by single value of horizontal uncertainty (meter) 990.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
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) 0.66370
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 91332521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-15 13:37:20

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 88914191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-08 10:20:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRES.EHZ. 2021-04-08T10:12:44.03 0.3 undecidable manual P 34 73.6707 50 -0.54 62
SI.KOSI.HHZ. 2021-04-08T10:12:38.12 0.3 undecidable manual P 23 37.5291 91 0.17 73
ST.DOSS.HHZ. 2021-04-08T10:12:36.22 0.1 undecidable manual P 180 30.0477 91 -0.25 97
ST.ZIAN.EHZ. 2021-04-08T10:12:36.82 0.3 undecidable manual P 64 32.0457 91 -0.04 75
SI.LUSI.HHZ. 2021-04-08T10:12:36.00 0.1 undecidable manual P 221 28.3494 91 -0.12 99
ST.OZOL.EHZ. 2021-04-08T10:12:36.53 0.3 undecidable manual P 340 29.748 91 0.12 74
IV.FIU.EHZ. 2021-04-08T10:12:35.07 3.0 positive manual Pn -9.99 0
ST.GAGG.HHZ. 2021-04-08T10:12:34.43 0.1 undecidable manual P 247 19.0698 91 0.17 100
ST.PANI.EHZ. 2021-04-08T10:12:34.00 0.1 undecidable manual P 135 16.0728 92 0.35 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.PANI.EHE. ML:0.8 0.00007035 0.42 AML other m 2021-04-08T10:12:37.51
ST.PANI.EHN. ML:0.9 0.00009435 0.42 AML other m 2021-04-08T10:12:37.77
ST.GAGG.HHN. ML:0.8 0.0000617 0.26 AML other m 2021-04-08T10:12:38.20
ST.GAGG.HHE. ML:0.8 0.0000586 0.54 AML other m 2021-04-08T10:12:40.40
SI.LUSI.HHE. ML:1.0 0.0000595 1.08 AML other m 2021-04-08T10:12:41.12
SI.LUSI.HHN. ML:1.2 0.0000886 0.18 AML other m 2021-04-08T10:12:41.82
ST.DOSS.HHE. ML:0.9 0.00004115 0.96 AML other m 2021-04-08T10:12:44.51
ST.DOSS.HHN. ML:0.8 0.0000374 1.52 AML other m 2021-04-08T10:12:45.98
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