Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 1.4 on date 29-05-2023 and time 10:03:28 (UTC) in region 4 km NW Ora (BZ)

A magnitude ML 1.4 (quarry blast) earthquake occured in region: 4 km NW Ora (BZ), on

  • 29-05-2023 10:03:28 (UTC)
  • 29-05-2023 12:03:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.3780, 11.2750 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Ora BZ 4 3648 3648
Caldaro sulla strada del vino BZ 5 7908 11556
Bronzolo BZ 5 2751 14307
Termeno sulla strada del vino BZ 5 3348 17655
Vadena BZ 5 1038 18693
Montagna BZ 6 1641 20334
Aldino BZ 6 1670 22004
Egna BZ 7 5232 27236
Laives BZ 7 17700 44936
Cortaccia sulla strada del vino BZ 8 2225 47161
Trodena nel parco naturale BZ 8 1026 48187
Ruffrè-Mendola TN 9 424 48611
Appiano sulla strada del vino BZ 9 14775 63386
Amblar-Don TN 11 521 63907
Ronzone TN 11 424 64331
Cavareno TN 11 1061 65392
Magrè sulla strada del vino BZ 11 1279 66671
Sarnonico TN 11 761 67432
Malosco TN 12 464 67896
Romeno TN 12 1385 69281
Nova Ponente BZ 12 3883 73164
Fondo TN 13 1448 74612
Cortina sulla strada del vino BZ 13 642 75254
Sfruz TN 13 334 75588
Anterivo BZ 13 395 75983
Capriana TN 14 588 76571
Brez TN 14 741 77312
Dambel TN 14 435 77747
Castelfondo TN 15 625 78372
Bolzano BZ 15 106441 184813
Cloz TN 15 701 185514
Valfloriana TN 15 504 186018
Sanzeno TN 16 923 186941
Daiano TN 16 647 187588
Carano TN 16 1098 188686
Cornedo all'Isarco BZ 16 3388 192074
Salorno BZ 16 3758 195832
Romallo TN 16 620 196452
Andriano BZ 16 1023 197475
Varena TN 16 850 198325
Roverè della Luna TN 16 1636 199961
Castello-Molina di Fiemme TN 16 2286 202247
Revò TN 17 1245 203492
Senale-San Felice BZ 17 786 204278
Terlano BZ 17 4365 208643
Predaia TN 17 6655 215298
Cavalese TN 17 4100 219398
Sover TN 18 838 220236
Cagnò TN 18 340 220576
San Genesio Atesino BZ 18 3047 223623
Cles TN 18 6982 230605
Lauregno BZ 18 342 230947
Ton TN 19 1338 232285
Nalles BZ 19 1942 234227
Livo TN 20 867 235094

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km SW of Bolzano (106441 inhabitants)
36 Km NE of Trento (117317 inhabitants)
95 Km N of Vicenza (112953 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
Reviewed
Rev100 		ML 1.4 2023-05-29
10:03:28		 46.3778 11.2753 10 2023-05-29
10:28:46		 Sala Sismica INGV-Roma 117845301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-29 10:03:28 ± 1.29
Latitude 46.3778 ± 0.0872
Longitude 11.2753 ± 0.0196
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type quarry blast
Origin ID 117845301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 9720
Semi-minor axis of confidence ellipse (meter) 1440
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 9720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 285
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61064
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 117845301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-29 10:28:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2023-05-29T10:05:03.11 3.0 undecidable manual Pn 4.89 0
GU.RNCA.HHZ. 2023-05-29T10:04:48.09 3.0 undecidable manual Sn 4.42 0
IV.RCAV.EHZ. 2023-05-29T10:04:38.24 3.0 undecidable manual Pn 1.05 0
IV.MMO1.EHZ. 2023-05-29T10:04:31.00 3.0 undecidable manual Pg 6.7 0
IV.BARO.HNZ. 2023-05-29T10:04:27.95 3.0 negative manual Pn -2.38 0
IV.ARVD.HHZ. 2023-05-29T10:04:19.25 3.0 positive manual Pn 3.96 0
IV.ATVO.HHZ. 2023-05-29T10:04:12.12 3.0 undecidable manual Pn -3.35 0
IV.MOCL.EHZ. 2023-05-29T10:04:07.14 3.0 undecidable manual Pn 1.2 0
ST.VARA.EHE. 2023-05-29T10:03:40.87 0.1 undecidable manual P 206 67.7766 50 0.02 96
SI.LUSI.HHZ. 2023-05-29T10:03:38.36 0.1 undecidable manual P 209 52.9026 50 -0.2 96
ST.DOSS.HHZ. 2023-05-29T10:03:38.59 1.0 negative manual P 187 55.5 50 -0.37 23
IV.CTI.HHE. 2023-05-29T10:03:37.53 0.1 undecidable manual P 142 46.5201 50 -0.04 100
ST.PANI.EHZ. 2023-05-29T10:03:36.34 0.6 undecidable manual P 173 36.6411 50 0.29 48
ST.GAGG.HHZ. 2023-05-29T10:03:36.87 0.3 positive manual P 217 40.7259 50 0.2 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.PANI.EHN. ML:0.0 0.00006622295 0.2752 AML other m 2023-05-29T10:03:39.68
ST.PANI.EHE. ML:0.0 0.00005127103 0.2432 AML other m 2023-05-29T10:03:38.94
ST.GAGG.HHE. ML:0.0 0.000054632119999999996 0.1792 AML other m 2023-05-29T10:03:40.27
ST.GAGG.HHN. ML:0.0 0.000051624919999999996 0.2624 AML other m 2023-05-29T10:03:41.54
ST.DOSS.HHE. ML:0.0 0.000031066785 0.16 AML other m 2023-05-29T10:03:43.61
SI.LUSI.HHN. ML:0.0 0.00013480690000000002 0.2432 AML other m 2023-05-29T10:03:43.80
SI.LUSI.HHE. ML:0.0 0.00007768102499999999 0.2432 AML other m 2023-05-29T10:03:43.69
ST.DOSS.HHN. ML:0.0 0.000036002385 0.3584 AML other m 2023-05-29T10:03:44.86
ST.PANI.HNE. ML:1.5 0.000112957665 0.864 AML other m 2023-05-29T10:03:42.78
ST.PANI.HNN. ML:1.6 0.000141893935 0.4352 AML other m 2023-05-29T10:03:42.78
ST.GAGG.HNE. ML:1.4 0.00007874354 0.704 AML other m 2023-05-29T10:03:53.66
ST.GAGG.HNN. ML:1.3 0.000065618995 0.2816 AML other m 2023-05-29T10:03:40.41
ST.DOSS.HNE. ML:1.5 0.00007359238 0.4224 AML other m 2023-05-29T10:03:44.20
ST.DOSS.HNN. ML:1.5 0.00007053812500000001 0.9984 AML other m 2023-05-29T10:03:38.31
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