Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 13-03-2024 and time 03:19:57 (Italy) in region 8 km NW Pontebba (UD)

A magnitude ML 0.8 earthquake occured in region: 8 km NW Pontebba (UD), on

  • 13-03-2024 02:19:57 (UTC)
  • 13-03-2024 03:19:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.5480, 13.2250 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
Pontebba UD 8 1433 1433
Paularo UD 8 2623 4056
Ligosullo UD 12 116 4172
Dogna UD 13 175 4347
Treppo Carnico UD 14 618 4965
Moggio Udinese UD 15 1714 6679
Paluzza UD 16 2217 8896
Chiusaforte UD 17 672 9568
Malborghetto Valbruna UD 17 951 10519
Resiutta UD 17 309 10828
Arta Terme UD 17 2171 12999
Zuglio UD 18 595 13594
Cercivento UD 18 679 14273
Sutrio UD 18 1332 15605

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km N of Udine (99169 inhabitants)
79 Km NE of Pordenone (51229 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 0.8 2024-03-13
02:19:57		 46.5477 13.225 9 2024-03-13
02:26:32		 Sala Sismica INGV-Roma 125850081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-13 02:19:57 ± 0.14
Latitude 46.5477 ± 0.0072
Longitude 13.2250 ± 0.0065
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 125850081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 820
Semi-minor axis of confidence ellipse (meter) 473
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 360
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47304
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 125850081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-13 02:26:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IMOL.HNZ. 2024-03-13T02:20:27.36 3.0 undecidable manual Pg 0.98 0
IV.MPPT.EHZ. 2024-03-13T02:20:26.71 3.0 undecidable manual Pn -8 0
OX.BAD.HHE. 2024-03-13T02:20:09.82 0.6 undecidable manual S 178 34.8429 50 0.38 45
NI.VINO.HHZ. 2024-03-13T02:20:08.73 0.3 undecidable manual S 173 32.8449 50 -0.17 71
OX.DRE.HHE. 2024-03-13T02:20:07.44 0.6 undecidable manual P 142 52.503 50 0.44 43
OX.CLUD.HHZ. 2024-03-13T02:20:07.19 0.3 undecidable manual S 249 28.0497 108 -0.24 70
OX.BOO.HHE. 2024-03-13T02:20:07.55 0.6 undecidable manual S 201 27.0507 108 0.45 45
IV.PTCC.HHZ. 2024-03-13T02:20:04.11 0.3 undecidable manual S 148 18.3705 116 -0.19 72
OX.BAD.HHE. 2024-03-13T02:20:04.01 0.3 undecidable manual P 178 34.8429 50 -0.26 69
OX.CLUD.HHZ. 2024-03-13T02:20:03.20 0.1 undecidable manual P 249 28.0497 108 0.09 96
OX.BOO.HHE. 2024-03-13T02:20:03.08 0.3 undecidable manual P 201 27.0507 108 0.16 71
NI.VINO.HHZ. 2024-03-13T02:20:03.65 0.3 undecidable manual P 173 32.8449 50 -0.31 69
OX.PRED.HHE. 2024-03-13T02:20:02.90 0.3 undecidable manual P 114 28.4493 107 -0.28 70
OX.ACOM.HHZ. 2024-03-13T02:20:02.27 0.3 negative manual P 90 22.0668 112 0.31 70
OX.FUSE.HHE. 2024-03-13T02:20:02.22 0.6 undecidable manual P 229 22.6551 111 0.15 48
IV.PTCC.HHZ. 2024-03-13T02:20:01.27 0.3 undecidable manual P 148 18.3705 116 -0.03 75
OX.PLRO.HHE. 2024-03-13T02:20:00.77 0.1 undecidable manual S 272 5.8941 147 -0.13 99
MN.TRI.HHZ. 2024-03-13T02:19:59.94 3.0 negative manual P -1.49 0
OX.PLRO.HHE. 2024-03-13T02:19:59.44 0.1 undecidable manual P 272 5.8941 147 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.ACOM.HHN. ML:1.1 0.00008625 0.5 AML other m 2024-03-13T02:20:07.70
OX.CLUD.HHN. ML:0.7 0.0000248 0.94 AML other m 2024-03-13T02:20:08.81
OX.ACOM.HHE. ML:1.1 0.00007985 1.04 AML other m 2024-03-13T02:20:09.64
OX.CLUD.HHE. ML:0.4 0.0000173 1 AML other m 2024-03-13T02:20:17.54
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