Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 1.2 on date 25-01-2021 and time 16:50:39 (UTC) in region 2 km W Albiano (TN)

A magnitude ML 1.2 (quarry blast) earthquake occured in region: 2 km W Albiano (TN), on

  • 25-01-2021 16:50:39 (UTC)
  • 25-01-2021 17:50:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.1510, 11.1750 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 4 890 4917
Fornace TN 4 1355 6272
Cembra Lisignago TN 5 2364 8636
Faedo TN 5 616 9252
Lavis TN 5 8915 18167
Nave San Rocco TN 5 1398 19565
San Michele all'Adige TN 6 3042 22607
Baselga di Pinè TN 6 5031 27638
Altavalle TN 6 1648 29286
Zambana TN 6 1733 31019
Civezzano TN 7 4002 35021
Segonzano TN 8 1505 36526
Mezzocorona TN 9 5446 41972
Fai della Paganella TN 9 894 42866
Mezzolombardo TN 10 7067 49933
Trento TN 10 117317 167250
Bedollo TN 10 1483 168733
Salorno BZ 10 3758 172491
Sant'Orsola Terme TN 11 1098 173589
Roverè della Luna TN 11 1636 175225
Pergine Valsugana TN 11 21280 196505
Frassilongo TN 12 338 196843
Cavedago TN 12 517 197360
Fierozzo TN 12 469 197829
Spormaggiore TN 12 1289 199118
Andalo TN 13 1076 200194
Sover TN 14 838 201032
Cortina sulla strada del vino BZ 14 642 201674
Palù del Fersina TN 14 173 201847
Vignola-Falesina TN 14 162 202009
Ton TN 15 1338 203347
Sporminore TN 15 700 204047
Magrè sulla strada del vino BZ 16 1279 205326
Vallelaghi TN 16 5044 210370
Molveno TN 16 1134 211504
Campodenno TN 16 1500 213004
Altopiano della Vigolana TN 16 4942 217946
Tenna TN 17 993 218939
Denno TN 17 1297 220236
Valfloriana TN 17 504 220740
Calceranica al Lago TN 17 1387 222127
Garniga Terme TN 18 388 222515
Capriana TN 18 588 223103
Levico Terme TN 18 7915 231018
Cortaccia sulla strada del vino BZ 19 2225 233243
Contà TN 19 1454 234697
Caldonazzo TN 19 3631 238328
Egna BZ 20 5232 243560

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)
80 Km N of Verona (258765 inhabitants)
99 Km NW of Treviso (83731 inhabitants)
99 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 1.2 2021-01-25
16:50:39		 46.1508 11.1748 1 2021-07-12
16:55:01		 Bollettino Sismico Italiano INGV 87781701
Reviewed
Rev100 		ML 1.2 2021-01-25
16:50:39		 46.1407 11.1848 8 2021-01-25
16:56:09		 Sala Sismica INGV-Roma 86569061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-25 16:50:39 ± 0.11
Latitude 46.1508 ± 0.0063
Longitude 11.1748 ± 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 87781701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 930
Semi-minor axis of confidence ellipse (meter) 710
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 292
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) 67
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.14929
Epicentral distance of station farthest from the epicenter (degree) 0.66910
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 86569061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-25 16:56:09

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 87781701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-05 15:08:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRES.EHZ. 2021-01-25T16:50:53.22 0.3 undecidable manual P 35 74.2701 50 -0.53 61
SI.MOSI.HHZ. 2021-01-25T16:50:52.86 0.3 undecidable manual P 317 70.374 50 -0.28 66
IV.BRMO.HHZ. 2021-01-25T16:50:52.70 0.3 undecidable manual P 301 71.2731 50 -0.58 60
SI.KOSI.HHZ. 2021-01-25T16:50:47.27 0.1 undecidable manual P 24 37.9287 91 0.14 95
IV.APPI.EHZ. 2021-01-25T16:50:46.98 0.3 undecidable manual P 6 36.6411 91 0.13 72
ST.ZIAN.EHZ. 2021-01-25T16:50:46.16 0.1 undecidable manual P 65 32.9448 91 0.05 98
ST.OZOL.EHZ. 2021-01-25T16:50:45.83 0.3 undecidable manual P 341 29.6481 91 0.37 69
ST.DOSS.HHZ. 2021-01-25T16:50:45.24 0.1 undecidable manual P 178 29.9478 91 -0.29 94
SI.LUSI.HHZ. 2021-01-25T16:50:45.08 0.1 positive manual P 220 27.75 91 0.01 100
ST.GAGG.HHZ. 2021-01-25T16:50:43.59 0.1 positive manual P 246 18.2706 92 0.42 93
ST.PANI.EHZ. 2021-01-25T16:50:43.05 0.1 undecidable manual P 132 16.5723 92 0.21 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.PANI.EHE. ML:1.0 0.00010300000000000001 0.24 AML other m 2021-01-25T16:50:46.41
SI.LUSI.HHN. ML:1.4 0.000141 0.18 AML other m 2021-01-25T16:50:46.57
ST.PANI.EHN. ML:1.2 0.00014749999999999998 0.5 AML other m 2021-01-25T16:50:46.58
ST.GAGG.HHE. ML:1.1 0.0001255 0.92 AML other m 2021-01-25T16:50:46.97
ST.GAGG.HHN. ML:1.0 0.00008575 1.2 AML other m 2021-01-25T16:50:48.37
SI.LUSI.HHE. ML:1.3 0.00010365000000000001 0.46 AML other m 2021-01-25T16:50:50.88
IV.APPI.EHE. ML:1.0 0.00004225 0.54 AML other m 2021-01-25T16:50:54.81
IV.APPI.EHN. ML:1.0 0.0000386 0.42 AML other m 2021-01-25T16:50:57.40
IV.BRES.EHN. ML:1.5 0.00004385 0.42 AML other m 2021-01-25T16:51:16.56
IV.BRES.EHE. ML:1.5 0.0000524 1.34 AML other m 2021-01-25T16:51:20.89
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