Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 0.9 on date 25-10-2021 and time 12:10:05 (Italy) in region 2 km SE Giovo (TN)

A magnitude ML 0.9 (quarry blast) earthquake occured in region: 2 km SE Giovo (TN), on

  • 25-10-2021 10:10:05 (UTC)
  • 25-10-2021 12:10:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1450, 11.1650 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
Giovo TN 2 2513 2513
Albiano TN 2 1514 4027
Lavis TN 4 8915 12942
Lona-Lases TN 4 890 13832
Fornace TN 4 1355 15187
Nave San Rocco TN 5 1398 16585
Zambana TN 5 1733 18318
Faedo TN 5 616 18934
Cembra Lisignago TN 6 2364 21298
San Michele all'Adige TN 6 3042 24340
Civezzano TN 6 4002 28342
Baselga di Pinè TN 6 5031 33373
Altavalle TN 7 1648 35021
Fai della Paganella TN 8 894 35915
Mezzocorona TN 9 5446 41361
Segonzano TN 9 1505 42866
Trento TN 9 117317 160183
Mezzolombardo TN 10 7067 167250
Bedollo TN 11 1483 168733
Pergine Valsugana TN 11 21280 190013
Salorno BZ 11 3758 193771
Cavedago TN 11 517 194288
Sant'Orsola Terme TN 11 1098 195386
Frassilongo TN 12 338 195724
Roverè della Luna TN 12 1636 197360
Spormaggiore TN 12 1289 198649
Fierozzo TN 12 469 199118
Andalo TN 13 1076 200194
Vignola-Falesina TN 14 162 200356
Sover TN 15 838 201194
Sporminore TN 15 700 201894
Palù del Fersina TN 15 173 202067
Cortina sulla strada del vino BZ 15 642 202709
Vallelaghi TN 15 5044 207753
Ton TN 15 1338 209091
Molveno TN 15 1134 210225
Altopiano della Vigolana TN 16 4942 215167
Campodenno TN 16 1500 216667
Magrè sulla strada del vino BZ 16 1279 217946
Tenna TN 16 993 218939
Garniga Terme TN 17 388 219327
Calceranica al Lago TN 17 1387 220714
Denno TN 17 1297 222011
Valfloriana TN 18 504 222515
Levico Terme TN 18 7915 230430
Caldonazzo TN 19 3631 234061
Contà TN 19 1454 235515
Capriana TN 19 588 236103
Cortaccia sulla strada del vino BZ 19 2225 238328
Madruzzo TN 19 2884 241212
Aldeno TN 19 3059 244271
Cimone TN 20 728 244999

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km NE of Trento (117317 inhabitants)
42 Km SW of Bolzano (106441 inhabitants)
73 Km NW of Vicenza (112953 inhabitants)
80 Km N of Verona (258765 inhabitants)
99 Km NW of Padova (210401 inhabitants)
99 Km NW of Treviso (83731 inhabitants)
99 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 0.9 2021-10-25
10:10:05		 46.1452 11.1648 1 2022-03-30
13:04:37		 Bollettino Sismico Italiano INGV 101052621
Reviewed
Rev100 		ML 1.0 2021-10-25
10:10:05		 46.1403 11.1892 8 2021-10-25
10:19:01		 Sala Sismica INGV-Roma 96978011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-25 10:10:05 ± 0.11
Latitude 46.1452 ± 0.0063
Longitude 11.1648 ± 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 101052621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 870
Semi-minor axis of confidence ellipse (meter) 660
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 290
Circular confidence region, given by single value of horizontal uncertainty (meter) 870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.68978
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 96978011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-25 10:19:01

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 101052621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-16 16:39:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CADC.EHZ. 2021-10-25T10:10:40.53 3.0 undecidable manual S -0.33 0
IV.PCN.EHZ. 2021-10-25T10:10:36.41 3.0 positive manual P 3.79 0
IV.SALO.HHZ. 2021-10-25T10:10:20.16 0.6 undecidable manual P 220 76.5678 50 -0.28 46
SI.MOSI.HHZ. 2021-10-25T10:10:19.31 0.6 undecidable manual P 318 70.374 50 -0.17 47
SI.ABSI.HHZ. 2021-10-25T10:10:18.23 0.3 undecidable manual P 10 65.7897 50 -0.55 65
IV.MBAL.EHZ. 2021-10-25T10:10:16.26 0.3 undecidable manual P 206 55.0005 91 -0.62 65
ST.CARE.EHZ. 2021-10-25T10:10:15.30 0.1 undecidable manual P 311 47.619 91 -0.1 100
IV.MABI.HHZ. 2021-10-25T10:10:15.84 0.3 undecidable manual P 259 51.0156 91 -0.25 72
SI.KOSI.HHE. 2021-10-25T10:10:13.71 0.3 undecidable manual P 25 38.8278 91 0.06 77
IV.APPI.EHE. 2021-10-25T10:10:13.47 0.3 undecidable manual P 7 37.3293 91 0.13 76
ST.ZIAN.EHZ. 2021-10-25T10:10:12.61 0.3 undecidable manual P 64 33.8439 91 -0.04 78
ST.OZOL.EHE. 2021-10-25T10:10:12.23 0.3 undecidable manual P 343 29.9478 91 0.36 73
SI.LUSI.HHZ. 2021-10-25T10:10:11.51 0.3 undecidable manual P 220 26.751 91 0.29 75
ST.DOSS.HHZ. 2021-10-25T10:10:11.74 0.3 undecidable manual P 176 29.3484 91 -0.01 79
ST.GAGG.HHZ. 2021-10-25T10:10:10.02 0.3 undecidable manual P 247 17.2716 92 0.69 67
ST.PANI.EHZ. 2021-10-25T10:10:09.48 0.3 undecidable manual P 129 16.7721 92 0.26 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.DOSS.HHE. ML:0.9 0.000047407174999999994 0.1216 AML other m 2021-10-25T10:10:12.68
ST.PANI.EHE. ML:0.9 0.000079608445 1.6416 AML other m 2021-10-25T10:10:12.86
SI.LUSI.HHN. ML:1.5 0.00017649999999999998 0.18 AML other m 2021-10-25T10:10:13.03
ST.PANI.EHN. ML:1.0 0.000098011035 0.256 AML other m 2021-10-25T10:10:13.02
ST.DOSS.HHN. ML:1.1 0.000069201585 0.2624 AML other m 2021-10-25T10:10:13.30
ST.GAGG.HNN. ML:0.9 0.000076707475 0.16 AML other m 2021-10-25T10:10:13.50
ST.GAGG.HHN. ML:0.6 0.000042540625 0.1216 AML other m 2021-10-25T10:10:13.68
ST.GAGG.HNE. ML:0.8 0.00006100991 0.3584 AML other m 2021-10-25T10:10:14.71
ST.DOSS.HNN. ML:1.2 0.000081490725 0.4352 AML other m 2021-10-25T10:10:14.55
ST.GAGG.HHE. ML:0.8 0.000066893465 0.3968 AML other m 2021-10-25T10:10:15.24
SI.LUSI.HHE. ML:1.1 0.000072411125 0.2176 AML other m 2021-10-25T10:10:17.13
ST.ZIAN.EHE. ML:0.9 0.000036050785 0.32 AML other m 2021-10-25T10:10:17.76
IV.MABI.HHN. ML:0.6 0.000010162251 0.1408 AML other m 2021-10-25T10:10:22.88
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