Earthquake (quarry blast) with magnitude of ML 1.4 on date 21-03-2024 and time 13:10:15 (Italy) in region 5 km W Spiazzo (TN)

A magnitude ML 1.4 (quarry blast) earthquake occured in region: 5 km W Spiazzo (TN), on

  • 21-03-2024 12:10:15 (UTC)
  • 21-03-2024 13:10:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.1200, 10.6780 at 0 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pelugo TN 5 392 392
Spiazzo TN 5 1265 1657
Porte di Rendena TN 6 1796 3453
Strembo TN 6 558 4011
Caderzone Terme TN 6 661 4672
Bocenago TN 6 389 5061
Giustino TN 8 751 5812
Massimeno TN 8 127 5939
Pinzolo TN 8 3118 9057
Carisolo TN 9 978 10035
Tione di Trento TN 10 3635 13670
Tre Ville TN 11 1463 15133
Borgo Lares TN 11 698 15831
Sella Giudicarie TN 15 2943 18774
Stenico TN 16 1170 19944
Bleggio Superiore TN 16 1568 21512
Comano Terme TN 18 2956 24468
San Lorenzo Dorsino TN 18 1599 26067
Fiavè TN 18 1117 27184
Valdaone TN 20 1205 28389
Ponte di Legno BS 20 1729 30118
Vermiglio TN 20 1882 32000

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Trento (117317 inhabitants)
67 Km SW of Bolzano (106441 inhabitants)
74 Km NE of Brescia (196480 inhabitants)
80 Km NW of Verona (258765 inhabitants)
91 Km NE of Bergamo (119381 inhabitants)
93 Km NW 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 2024-03-21
12:10:15
46.1202 10.6777 1 2024-03-21
12:22:57
Sala Sismica INGV-Roma 126031521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-21 12:10:15 ± 1.93
Latitude 46.1202 ± 0.0764
Longitude 10.6777 ± 0.0986
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type quarry blast
Origin ID 126031521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 11180
Semi-minor axis of confidence ellipse (meter) 2360
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 319
Circular confidence region, given by single value of horizontal uncertainty (meter) 11180.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 283
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.19785
Epicentral distance of station farthest from the epicenter (degree) 0.60794
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 126031521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-21 12:22:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.MARN.HHZ. 2024-03-21T12:10:28.37 1.0 negative manual P 142 67.4769 50 -0.52 21
IV.ZEN8.EHZ. 2024-03-21T12:10:26.57 0.3 undecidable manual P 176 53.7018 91 0.09 71
ST.PANI.EHZ. 2024-03-21T12:10:25.13 1.0 positive manual P 99 51.1155 91 -0.83 19
SI.LUSI.HHZ. 2024-03-21T12:10:21.13 0.1 undecidable manual P 131 27.1506 91 -0.03 100
ST.GAGG.HHZ. 2024-03-21T12:10:20.45 0.3 positive manual P 101 21.9669 91 0.32 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
SI.LUSI.HHE. ML:1.3 0.00010850000000000001 0.98 AML other m 2024-03-21T12:10:25.07
SI.LUSI.HHN. ML:1.5 0.0001725 1.58 AML other m 2024-03-21T12:10:25.06
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