Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 23-03-2024 and time 04:17:55 (Italy) in region 2 km N Brennero (BZ)

A magnitude ML 1.4 earthquake occured in region: 2 km N Brennero (BZ), on

  • 23-03-2024 03:17:55 (UTC)
  • 23-03-2024 04:17:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.9530, 11.4460 at 14 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
Brennero BZ 2 2187 2187
Val di Vizze BZ 6 2966 5153
Vipiteno BZ 6 6849 12002
Racines BZ 9 4401 16403
Campo di Trens BZ 10 2666 19069

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km N of Bolzano (106441 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 2024-03-23
03:17:55		 46.9528 11.446 15 2024-03-23
03:30:51		 Sala Sismica INGV-Roma 126072001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-23 03:17:55 ± 0.21
Latitude 46.9528 ± 0.0108
Longitude 11.4460 ± 0.0435
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126072001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3355
Semi-minor axis of confidence ellipse (meter) 644
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 283
Circular confidence region, given by single value of horizontal uncertainty (meter) 3350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.68079
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 126072001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-23 03:30:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ACER.HHZ. 2024-03-23T03:19:38.39 3.0 undecidable manual Pn 0.42 0
IV.IMOL.EHZ. 2024-03-23T03:19:10.65 3.0 undecidable manual Sn 0.5 0
IV.MURB.HHZ. 2024-03-23T03:19:05.41 3.0 undecidable manual Pg 11.91 0
IV.ATFO.HHZ. 2024-03-23T03:18:56.35 3.0 undecidable manual Pn 4.12 0
IV.MRGE.HHZ. 2024-03-23T03:18:55.73 3.0 positive manual Pg 11.47 0
SL.LJU.BHZ. 2024-03-23T03:18:35.87 3.0 undecidable manual Pn 1 0
IV.APPI.EHZ. 2024-03-23T03:18:12.14 0.6 undecidable manual S 198 55.1004 95 -0.33 44
SI.KOSI.HHZ. 2024-03-23T03:18:11.67 0.6 undecidable manual S 185 54.6009 95 -0.65 39
ST.ZIAN.EHZ. 2024-03-23T03:18:08.54 0.6 negative manual P 173 75.5688 93 0.2 44
OE.WTTA.HHZ. 2024-03-23T03:18:07.20 0.6 undecidable manual S 23 37.3293 98 -0.56 42
ST.OZOL.EHZ. 2024-03-23T03:18:07.66 1.0 undecidable manual P 206 67.8765 94 0.5 21
SI.KOSI.HHZ. 2024-03-23T03:18:05.34 0.1 undecidable manual P 185 54.6009 95 0.23 92
IV.APPI.EHZ. 2024-03-23T03:18:05.51 1.0 undecidable manual P 198 55.1004 95 0.31 23
SI.ABSI.HHZ. 2024-03-23T03:18:04.51 0.6 undecidable manual S 201 26.6511 103 -0.43 45
OE.WTTA.HHZ. 2024-03-23T03:18:02.69 1.0 undecidable manual P 23 37.3293 98 0.22 24
SI.ROSI.HHZ. 2024-03-23T03:18:00.06 0.6 undecidable manual S 223 3.7962 162 -0.1 50
SI.ABSI.HHZ. 2024-03-23T03:18:00.96 0.3 positive manual P 201 26.6511 103 0.11 74
SI.ROSI.HHZ. 2024-03-23T03:17:58.34 0.1 positive manual P 223 3.7962 162 0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
SI.ROSI.HHE. ML:1.4 0.0002635 0.36 AML other m 2024-03-23T03:18:00.72
SI.ROSI.HHN. ML:1.3 0.00022700000000000002 0.32 AML other m 2024-03-23T03:18:00.69
SI.ABSI.HHE. ML:1.4 0.000131 1.36 AML other m 2024-03-23T03:18:05.91
SI.ABSI.HHN. ML:1.3 0.0000964 0.96 AML other m 2024-03-23T03:18:05.54
OE.WTTA.HHE. ML:1.2 0.000050299999999999996 0.42 AML other m 2024-03-23T03:18:07.58
OE.WTTA.HHN. ML:0.9 0.0000316 0.42 AML other m 2024-03-23T03:18:07.94
IV.APPI.EHE. ML:1.7 0.0001045 0.2 AML other m 2024-03-23T03:18:12.37
IV.APPI.EHN. ML:1.7 0.00011149999999999999 0.14 AML other m 2024-03-23T03:18:12.33
ST.DOSS.HHE. ML:2.1 0.00009715 1.18 AML other m 2024-03-23T03:18:30.39
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