Earthquake with magnitude of ML 0.7 on date 28-10-2023 and time 20:05:23 (UTC) in region 2 km SE Amaro (UD)

A magnitude ML 0.7 earthquake occured in region: 2 km SE Amaro (UD), on

  • 28-10-2023 20:05:23 (UTC)
  • 28-10-2023 22:05:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.3630, 13.1080 at 8 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Amaro UD 2 823 823
Venzone UD 4 2117 2940
Cavazzo Carnico UD 5 1052 3992
Bordano UD 5 754 4746
Tolmezzo UD 9 10440 15186
Moggio Udinese UD 9 1714 16900
Verzegnis UD 9 863 17763
Trasaghis UD 9 2227 19990
Resiutta UD 9 309 20299
Gemona del Friuli UD 10 10964 31263
Osoppo UD 12 2936 34199
Zuglio UD 13 595 34794
Montenars UD 13 538 35332
Arta Terme UD 14 2171 37503
Artegna UD 14 2885 40388
Lauco UD 15 729 41117
Villa Santina UD 15 2233 43350
Resia UD 15 1033 44383
Magnano in Riviera UD 16 2336 46719
Lusevera UD 16 643 47362
Chiusaforte UD 17 672 48034
Buja UD 17 6563 54597
Vito d'Asio PN 18 769 55366
Enemonzo UD 18 1319 56685
Tarcento UD 19 9012 65697
Preone UD 19 246 65943
Dogna UD 19 175 66118
Forgaria nel Friuli UD 19 1786 67904
Paularo UD 19 2623 70527
Sutrio UD 19 1332 71859
Treppo Grande UD 19 1708 73567
Treppo Carnico UD 20 618 74185
Majano UD 20 5945 80130
Paluzza UD 20 2217 82347
Raveo UD 20 458 82805
Ligosullo UD 20 116 82921

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Udine (99169 inhabitants)
57 Km NE of Pordenone (51229 inhabitants)
94 Km NW of Trieste (204420 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 0.7 2023-10-28
20:05:23
46.3627 13.1077 8 2023-10-28
20:18:48
Sala Sismica INGV-Roma 122523871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-28 20:05:23 ± 0.23
Latitude 46.3627 ± 0.0036
Longitude 13.1077 ± 0.0052
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122523871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 420
Semi-minor axis of confidence ellipse (meter) 74
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 312
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.08993
Epicentral distance of station farthest from the epicenter (degree) 0.18886
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 122523871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-28 20:18:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.PLRO.HHZ. 2023-10-28T20:05:31.14 0.3 undecidable manual S 8 20.9679 110 -0.05 77
NI.PALA.HHZ. 2023-10-28T20:05:30.56 0.3 undecidable manual S 227 19.1697 112 -0.07 77
OX.CLUD.HHZ. 2023-10-28T20:05:30.73 0.3 undecidable manual S 301 20.2686 111 -0.24 74
IV.PTCC.HHZ. 2023-10-28T20:05:30.65 0.3 undecidable manual S 75 19.4694 111 -0.08 77
OX.MPRI.HHZ. 2023-10-28T20:05:29.78 0.3 undecidable manual S 214 16.3725 115 0.06 77
OX.PLRO.HHZ. 2023-10-28T20:05:28.10 0.1 undecidable manual P 8 20.9679 110 0.17 100
OX.MPRI.HHZ. 2023-10-28T20:05:27.15 0.6 positive manual P 214 16.3725 115 0.07 52
IV.PTCC.HHZ. 2023-10-28T20:05:27.48 0.6 negative manual P 75 19.4694 111 -0.18 50
NI.PALA.HHZ. 2023-10-28T20:05:27.54 0.3 undecidable manual P 227 19.1697 112 -0.07 77
OX.CLUD.HHZ. 2023-10-28T20:05:27.70 0.3 undecidable manual P 301 20.2686 111 -0.1 76
OX.FUSE.HHZ. 2023-10-28T20:05:26.25 0.1 undecidable manual P 305 9.9789 127 0.27 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.MPRI.HHE. ML:0.6 0.00003565 0.64 AML other m 2023-10-28T20:05:30.01
OX.MPRI.HHN. ML:0.7 0.000046649999999999996 0.26 AML other m 2023-10-28T20:05:30.46
OX.PLRO.HHE. ML:0.8 0.00004355 0.54 AML other m 2023-10-28T20:05:31.08
OX.PLRO.HHN. ML:0.9 0.000055150000000000006 0.58 AML other m 2023-10-28T20:05:31.54
IV.PTCC.HHN. ML:0.5 0.0000269 0.9 AML other m 2023-10-28T20:05:32.47
IV.PTCC.HHE. ML:0.5 0.000026500000000000004 1.18 AML other m 2023-10-28T20:05:32.21
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