Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 0.6 on date 31-05-2021 and time 12:00:52 (Italy) in region 1 km W Albiano (TN)

A magnitude ML 0.6 (quarry blast) earthquake occured in region: 1 km W Albiano (TN), on

  • 31-05-2021 10:00:52 (UTC)
  • 31-05-2021 12:00:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1460, 11.1840 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 1 1514 1514
Giovo TN 3 2513 4027
Lona-Lases TN 3 890 4917
Fornace TN 4 1355 6272
Cembra Lisignago TN 4 2364 8636
Baselga di Pinè TN 5 5031 13667
Faedo TN 6 616 14283
Lavis TN 6 8915 23198
Altavalle TN 6 1648 24846
Civezzano TN 6 4002 28848
Nave San Rocco TN 6 1398 30246
San Michele all'Adige TN 7 3042 33288
Zambana TN 7 1733 35021
Segonzano TN 8 1505 36526
Mezzocorona TN 9 5446 41972
Bedollo TN 9 1483 43455
Fai della Paganella TN 10 894 44349
Trento TN 10 117317 161666
Sant'Orsola Terme TN 10 1098 162764
Pergine Valsugana TN 10 21280 184044
Mezzolombardo TN 10 7067 191111
Salorno BZ 11 3758 194869
Frassilongo TN 11 338 195207
Fierozzo TN 11 469 195676
Roverè della Luna TN 12 1636 197312
Cavedago TN 13 517 197829
Palù del Fersina TN 13 173 198002
Spormaggiore TN 13 1289 199291
Sover TN 13 838 200129
Vignola-Falesina TN 13 162 200291
Andalo TN 14 1076 201367
Cortina sulla strada del vino BZ 14 642 202009
Ton TN 15 1338 203347
Sporminore TN 16 700 204047
Altopiano della Vigolana TN 16 4942 208989
Magrè sulla strada del vino BZ 16 1279 210268
Tenna TN 16 993 211261
Vallelaghi TN 16 5044 216305
Calceranica al Lago TN 16 1387 217692
Molveno TN 17 1134 218826
Valfloriana TN 17 504 219330
Campodenno TN 17 1500 220830
Garniga Terme TN 17 388 221218
Levico Terme TN 18 7915 229133
Denno TN 18 1297 230430
Capriana TN 18 588 231018
Caldonazzo TN 18 3631 234649
Cortaccia sulla strada del vino BZ 19 2225 236874
Contà TN 19 1454 238328
Novaledo TN 20 1076 239404
Aldeno TN 20 3059 242463
Egna BZ 20 5232 247695

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 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)
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 0.6 2021-05-31
10:00:52		 46.1462 11.1842 1 2021-12-29
11:12:05		 Bollettino Sismico Italiano INGV 91454321
Reviewed
Rev100 		ML 0.7 2021-05-31
10:00:51		 46.1287 11.2057 15 2021-05-31
10:04:52		 Sala Sismica INGV-Roma 90658021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-31 10:00:52 ± 0.13
Latitude 46.1462 ± 0.0081
Longitude 11.1842 ± 0.0130
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 91454321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1000
Semi-minor axis of confidence ellipse (meter) 880
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 265
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
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 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.14119
Epicentral distance of station farthest from the epicenter (degree) 0.34354
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 90658021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-31 10:04:52

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 91454321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-17 13:59:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.KOSI.HHZ. 2021-05-31T10:00:59.84 0.6 undecidable manual P 23 38.1285 91 0.07 49
IV.CTI.HHZ. 2021-05-31T10:00:59.12 0.6 undecidable manual P 107 37.4292 91 -0.5 45
ST.OZOL.HNZ. 2021-05-31T10:00:58.16 0.1 undecidable manual P 341 30.3474 91 -0.05 100
ST.DOSS.HHZ. 2021-05-31T10:00:57.68 0.6 undecidable manual P 179 29.4483 91 -0.35 47
SI.LUSI.HHZ. 2021-05-31T10:00:57.59 0.1 undecidable manual P 222 27.75 91 -0.1 99
ST.GAGG.HHZ. 2021-05-31T10:00:56.07 0.3 undecidable manual P 248 18.6702 92 0.2 74
ST.PANI.EHZ. 2021-05-31T10:00:55.64 0.1 undecidable manual P 133 15.6732 92 0.37 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.PANI.EHE. ML:0.6 0.000038044465 0.3584 AML other m 2021-05-31T10:00:58.52
ST.PANI.EHN. ML:0.6 0.000047798314999999994 0.3392 AML other m 2021-05-31T10:00:59.18
ST.GAGG.HHN. ML:0.6 0.000033964410000000004 0.3008 AML other m 2021-05-31T10:00:59.67
ST.GAGG.HHE. ML:0.4 0.000027206405 0.2368 AML other m 2021-05-31T10:01:01.05
SI.LUSI.HHN. ML:1.0 0.00004945910000000001 0.224 AML other m 2021-05-31T10:01:03.17
ST.DOSS.HHE. ML:0.6 0.000018213575 0.3008 AML other m 2021-05-31T10:01:03.51
SI.LUSI.HHE. ML:0.7 0.00002883374 0.3776 AML other m 2021-05-31T10:01:04.37
ST.DOSS.HHN. ML:0.6 0.000019853985 0.2624 AML other m 2021-05-31T10:01:05.57
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