Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 20-09-2024 and time 02:21:28 (UTC) in region 5 km SE Ponte di Legno (BS)

A magnitude ML 1.4 earthquake occured in region: 5 km SE Ponte di Legno (BS), on

  • 20-09-2024 02:21:28 (UTC)
  • 20-09-2024 04:21:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.2260, 10.5670 at 9 km depth.

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

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
Ponte di Legno BS 5 1729 1729
Temù BS 8 1105 2834
Vione BS 10 691 3525
Vermiglio TN 13 1882 5407
Vezza d'Oglio BS 13 1457 6864
Ossana TN 16 858 7722
Incudine BS 16 385 8107
Carisolo TN 17 978 9085
Pinzolo TN 17 3118 12203
Peio TN 17 1860 14063
Pellizzano TN 18 794 14857
Monno BS 18 555 15412
Giustino TN 18 751 16163
Sonico BS 18 1264 17427
Caderzone Terme TN 18 661 18088
Edolo BS 18 4572 22660
Massimeno TN 18 127 22787
Strembo TN 19 558 23345
Spiazzo TN 19 1265 24610
Bocenago TN 19 389 24999
Pelugo TN 20 392 25391

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km W of Trento (117317 inhabitants)
68 Km W of Bolzano (106441 inhabitants)
81 Km NE of Brescia (196480 inhabitants)
91 Km NE of Bergamo (119381 inhabitants)
94 Km NW of Verona (258765 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 2024-09-20
02:21:28		 46.2262 10.567 9 2024-09-20
02:28:43		 Sala Sismica INGV-Roma 131572601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-09-20 02:21:28 ± 0.18
Latitude 46.2262 ± 0.0072
Longitude 10.5670 ± 0.0182
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 131572601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1391
Semi-minor axis of confidence ellipse (meter) 418
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 268
Circular confidence region, given by single value of horizontal uncertainty (meter) 1390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.77072
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 131572601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-09-20 02:28:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TRI.HHZ. 2024-09-20T02:22:49.24 3.0 undecidable manual Sg 11.38 0
IV.SEI.HHZ. 2024-09-20T02:22:10.35 3.0 negative manual Pg 3.67 0
MN.TRI.HHZ. 2024-09-20T02:22:07.70 3.0 positive manual Pn 0.05 0
IV.CTI.HHZ. 2024-09-20T02:21:54.90 1.0 undecidable manual S 103 85.5477 50 0.51 21
IV.CTI.HHZ. 2024-09-20T02:21:46.63 3.0 undecidable manual P 103 85.5477 50 3.13 0
SI.ABSI.HHZ. 2024-09-20T02:21:43.67 0.1 undecidable manual P 46 80.1642 50 1 69
ST.ZIAN.EHZ. 2024-09-20T02:21:43.22 3.0 undecidable manual P 76.6677 1.09 0
IV.BAG8.EHZ. 2024-09-20T02:21:43.04 0.3 undecidable manual S 190 45.4212 50 -0.63 64
SI.LUSI.HHZ. 2024-09-20T02:21:42.21 0.1 undecidable manual S 135 41.4252 50 -0.4 93
ST.GAGG.HHZ. 2024-09-20T02:21:40.00 0.3 undecidable manual S 118 34.0437 50 -0.63 66
ST.DOSS.HHZ. 2024-09-20T02:21:40.68 1.0 undecidable manual P 128 61.2942 50 0.92 18
IV.BRMO.HHZ. 2024-09-20T02:21:39.16 0.1 undecidable manual S 332 31.5462 50 -0.8 82
IV.MAGA.HHZ. 2024-09-20T02:21:39.03 0.1 positive manual P 175 50.2164 50 0.97 74
ST.RONC.EHZ. 2024-09-20T02:21:38.01 0.3 undecidable manual S 171 27.6501 108 -0.69 65
IV.BAG8.EHZ. 2024-09-20T02:21:37.81 1.0 undecidable manual P 190 45.4212 50 0.49 23
SI.LUSI.HHZ. 2024-09-20T02:21:36.85 1.0 positive manual P 135 41.4252 50 0.15 25
ST.CARE.EHZ. 2024-09-20T02:21:36.92 0.1 undecidable manual S 24 24.1536 110 -0.65 89
ST.OZOL.EHZ. 2024-09-20T02:21:36.98 1.0 undecidable manual P 62 42.0246 50 0.18 24
IV.MABI.HHZ. 2024-09-20T02:21:35.72 0.1 undecidable manual S 192 19.4694 115 -0.34 98
ST.GAGG.HHZ. 2024-09-20T02:21:35.68 0.1 undecidable manual P 118 34.0437 50 0.12 100
IV.BRMO.HHZ. 2024-09-20T02:21:35.52 0.1 undecidable manual P 332 31.5462 50 0.35 96
ST.RONC.EHZ. 2024-09-20T02:21:34.84 0.1 undecidable manual P 171 27.6501 108 0.39 96
ST.CARE.EHZ. 2024-09-20T02:21:34.08 0.6 positive manual P 24 24.1536 110 0.29 49
IV.MABI.HHZ. 2024-09-20T02:21:33.29 0.1 undecidable manual P 192 19.4694 115 0.37 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MABI.HHE. ML:1.4 0.000178 0.14 AML other m 2024-09-20T02:21:35.90
IV.MABI.HHN. ML:1.5 0.00023299999999999997 0.16 AML other m 2024-09-20T02:21:35.89
ST.CARE.EHE. ML:1.1 0.00007780000000000001 0.1 AML other m 2024-09-20T02:21:37.21
ST.CARE.EHN. ML:0.9 0.000049000000000000005 0.24 AML other m 2024-09-20T02:21:37.36
ST.RONC.HNE. ML:1.7 0.00027 0.54 AML other m 2024-09-20T02:21:38.30
ST.RONC.EHE. ML:1.7 0.00027800000000000004 0.18 AML other m 2024-09-20T02:21:38.33
IV.BRMO.HHE. ML:0.6 0.0000216 0.42 AML other m 2024-09-20T02:21:39.14
ST.RONC.EHN. ML:1.8 0.000302 0.14 AML other m 2024-09-20T02:21:39.38
ST.RONC.HNN. ML:1.7 0.0002595 1.14 AML other m 2024-09-20T02:21:39.06
IV.BRMO.HHN. ML:0.9 0.00003565 1.44 AML other m 2024-09-20T02:21:40.77
ST.GAGG.HHE. ML:1.2 0.0000597 0.58 AML other m 2024-09-20T02:21:40.32
ST.GAGG.HHN. ML:1.0 0.0000387 0.26 AML other m 2024-09-20T02:21:40.45
SI.LUSI.HHN. ML:1.1 0.00004245 0.76 AML other m 2024-09-20T02:21:42.52
SI.LUSI.HHE. ML:1.1 0.000042 1 AML other m 2024-09-20T02:21:43.52
IV.BAG8.EHN. ML:1.6 0.0001147 1.06 AML other m 2024-09-20T02:21:43.93
IV.BAG8.EHE. ML:1.8 0.00017549999999999998 0.22 AML other m 2024-09-20T02:21:43.38
IV.MAGA.HHN. ML:1.5 0.00008774999999999999 1.8 AML other m 2024-09-20T02:21:46.96
IV.MAGA.HHE. ML:1.5 0.00008434999999999999 0.48 AML other m 2024-09-20T02:21:47.81
IV.CTI.HHN. ML:1.6 0.00004575 0.86 AML other m 2024-09-20T02:21:55.86
IV.CTI.HHE. ML:1.4 0.000032600000000000006 1.56 AML other m 2024-09-20T02:22:01.85
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