Earthquake (quarry blast) with magnitude of ML 0.8 on date 21-04-2023 and time 10:11:11 (UTC) in region 1 km S Albiano (TN)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: 1 km S Albiano (TN), on

  • 21-04-2023 10:11:11 (UTC)
  • 21-04-2023 12:11:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1370, 11.1960 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
Fornace TN 2 1355 2869
Lona-Lases TN 2 890 3759
Baselga di Pinè TN 4 5031 8790
Giovo TN 4 2513 11303
Cembra Lisignago TN 5 2364 13667
Civezzano TN 5 4002 17669
Altavalle TN 6 1648 19317
Lavis TN 6 8915 28232
Faedo TN 7 616 28848
Nave San Rocco TN 8 1398 30246
Segonzano TN 8 1505 31751
Zambana TN 8 1733 33484
San Michele all'Adige TN 8 3042 36526
Sant'Orsola Terme TN 9 1098 37624
Bedollo TN 9 1483 39107
Pergine Valsugana TN 9 21280 60387
Frassilongo TN 9 338 60725
Trento TN 9 117317 178042
Fierozzo TN 10 469 178511
Mezzocorona TN 11 5446 183957
Fai della Paganella TN 11 894 184851
Salorno BZ 12 3758 188609
Mezzolombardo TN 12 7067 195676
Vignola-Falesina TN 12 162 195838
Palù del Fersina TN 12 173 196011
Roverè della Luna TN 13 1636 197647
Sover TN 13 838 198485
Cavedago TN 14 517 199002
Spormaggiore TN 15 1289 200291
Altopiano della Vigolana TN 15 4942 205233
Tenna TN 15 993 206226
Cortina sulla strada del vino BZ 15 642 206868
Andalo TN 15 1076 207944
Calceranica al Lago TN 15 1387 209331
Levico Terme TN 16 7915 217246
Vallelaghi TN 17 5044 222290
Ton TN 17 1338 223628
Garniga Terme TN 17 388 224016
Magrè sulla strada del vino BZ 17 1279 225295
Caldonazzo TN 17 3631 228926
Valfloriana TN 17 504 229430
Sporminore TN 17 700 230130
Molveno TN 18 1134 231264
Capriana TN 18 588 231852
Novaledo TN 18 1076 232928
Campodenno TN 18 1500 234428
Roncegno Terme TN 19 2879 237307
Denno TN 19 1297 238604
Aldeno TN 19 3059 241663
Cortaccia sulla strada del vino BZ 20 2225 243888
Ronchi Valsugana TN 20 434 244322

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km NE of Trento (117317 inhabitants)
42 Km SW of Bolzano (106441 inhabitants)
71 Km NW of Vicenza (112953 inhabitants)
79 Km N of Verona (258765 inhabitants)
97 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 0.8 2023-04-21
10:11:11
46.1368 11.1962 1 2024-03-01
17:18:20
Bollettino Sismico Italiano INGV 125072651
Reviewed
Rev100
ML 0.9 2023-04-21
10:11:11
46.136 11.1938 1 2023-04-21
11:29:52
Sala Sismica INGV-Roma 116569851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-21 10:11:11 ± 0.13
Latitude 46.1368 ± 0.0081
Longitude 11.1962 ± 0.0143
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 125072651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1100
Semi-minor axis of confidence ellipse (meter) 840
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 296
Circular confidence region, given by single value of horizontal uncertainty (meter) 1100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80489
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 125072651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-02-06 14:14:20

ML:0.9

Field Value
Value 0.9
Uncertainty 0.5
Num. used stations 8
Type of magnitude ML
Reference to an origin 116569851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-21 11:29:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.SATI.HHZ. 2023-04-21T10:12:33.06 3.0 undecidable manual Sg 14.06 0
IV.NRCA.HHZ. 2023-04-21T10:12:09.77 3.0 undecidable manual Pn 3.47 0
IV.CING.HHZ. 2023-04-21T10:12:07.95 3.0 negative manual Pg 8.09 0
IV.FDMO.HHZ. 2023-04-21T10:12:01.55 3.0 undecidable manual Pn -2.07 0
NI.VINO.HHZ. 2023-04-21T10:12:00.00 3.0 undecidable manual S 2.3 0
IV.ATPI.EHZ. 2023-04-21T10:12:00.57 3.0 negative manual Pg 4.67 0
GU.CARD.HHZ. 2023-04-21T10:11:45.85 3.0 negative manual Pn -1.09 0
SI.ROSI.HHZ. 2023-04-21T10:11:27.26 0.3 undecidable manual P 11 89.3439 50 -0.31 64
SI.ABSI.HHZ. 2023-04-21T10:11:23.36 0.3 undecidable manual P 8 66.2781 50 -0.67 60
OX.MARN.HHZ. 2023-04-21T10:11:21.37 0.3 undecidable manual P 179 55.4001 91 -0.75 59
IV.ROVR.HHZ. 2023-04-21T10:11:21.25 0.3 undecidable manual P 190 55.2003 91 -0.84 57
ST.RONC.EHZ. 2023-04-21T10:11:20.89 0.3 undecidable manual P 249 47.4192 91 0.35 68
IV.CTI.HHZ. 2023-04-21T10:11:18.29 0.3 undecidable manual P 106 36.2415 91 -0.01 75
SI.KOSI.HHZ. 2023-04-21T10:11:18.82 0.1 undecidable manual P 21 38.7279 91 0.02 99
ST.OZOL.EHZ. 2023-04-21T10:11:17.58 0.3 undecidable manual P 340 31.6461 91 0.21 72
ST.ZIAN.EHZ. 2023-04-21T10:11:17.65 0.3 undecidable manual P 61 32.1456 91 0.18 73
ST.DOSS.HHZ. 2023-04-21T10:11:16.80 0.1 undecidable manual P 181 28.4493 91 0.08 100
SI.LUSI.HHZ. 2023-04-21T10:11:16.65 0.1 undecidable manual P 225 27.6501 91 0.07 100
ST.GAGG.HHZ. 2023-04-21T10:11:15.13 0.1 undecidable manual P 252 19.1697 91 0.25 98
ST.PANI.EHZ. 2023-04-21T10:11:14.59 0.1 undecidable manual P 132 14.3745 92 0.69 87
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.DOSS.HHE. ML:0.7 0.00002895 0.34 AML other m 2023-04-21T10:11:17.76
SI.LUSI.HHN. ML:1.1 0.00007680000000000001 0.18 AML other m 2023-04-21T10:11:18.14
ST.DOSS.HHN. ML:0.9 0.000042550000000000004 0.24 AML other m 2023-04-21T10:11:18.25
ST.GAGG.HHE. ML:0.7 0.00003895 0.86 AML other m 2023-04-21T10:11:18.19
ST.GAGG.HHN. ML:0.6 0.0000334 1.22 AML other m 2023-04-21T10:11:19.83
SI.LUSI.HHE. ML:0.7 0.000028650000000000002 0.8 AML other m 2023-04-21T10:11:22.10
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