Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 19-12-2023 and time 07:14:30 (Italy) in region 4 km W Melfi (PZ)

A magnitude ML 1.2 earthquake occured in region: 4 km W Melfi (PZ), on

  • 19-12-2023 06:14:30 (UTC)
  • 19-12-2023 07:14:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.0140, 15.6080 at 10 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
Melfi PZ 4 17767 17767
Monteverde AV 6 784 18551
Rapolla PZ 7 4432 22983
Barile PZ 9 2785 25768
Rionero in Vulture PZ 11 13230 38998
Aquilonia AV 12 1739 40737
Ginestra PZ 14 747 41484
Ripacandida PZ 15 1744 43228
Atella PZ 16 3827 47055
Lacedonia AV 16 2340 49395
Rocchetta Sant'Antonio FG 16 1875 51270
Candela FG 16 2728 53998
Lavello PZ 17 13626 67624
Venosa PZ 19 11863 79487
Calitri AV 19 4666 84153
Ruvo del Monte PZ 19 1083 85236
Bisaccia AV 20 3831 89067

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SW of Cerignola (58396 inhabitants)
45 Km NW of Potenza (67122 inhabitants)
50 Km S of Foggia (151991 inhabitants)
62 Km W of Andria (100440 inhabitants)
66 Km SW of Barletta (94814 inhabitants)
69 Km E of Avellino (54857 inhabitants)
69 Km NE of Battipaglia (50786 inhabitants)
71 Km E of Benevento (60091 inhabitants)
73 Km SW of Manfredonia (57279 inhabitants)
74 Km W of Trani (56217 inhabitants)
77 Km S of San Severo (53905 inhabitants)
79 Km W of Bisceglie (55422 inhabitants)
81 Km E of Salerno (135261 inhabitants)
82 Km W of Altamura (70396 inhabitants)
83 Km E of Cava de' Tirreni (53659 inhabitants)
86 Km W of Molfetta (59874 inhabitants)
92 Km W of Bitonto (55540 inhabitants)
92 Km W of Matera (60436 inhabitants)
96 Km E of Scafati (50787 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 1.2 2023-12-19
06:14:30		 41.0137 15.6085 10 2023-12-19
06:21:24		 Sala Sismica INGV-Roma 124137601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-19 06:14:30 ± 0.15
Latitude 41.0137 ± 0.0090
Longitude 15.6085 ± 0.0060
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124137601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1001
Semi-minor axis of confidence ellipse (meter) 528
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 178
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 171
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 15
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) 0.44516
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 124137601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-19 06:21:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRVN.HHZ. 2023-12-19T06:14:46.55 0.1 undecidable manual S 84 49.4172 50 0.03 95
IV.ACER.HHZ. 2023-12-19T06:14:43.38 0.6 undecidable manual S 132 37.629 50 0 48
IV.SNAL.HHZ. 2023-12-19T06:14:42.66 0.1 undecidable manual S 254 34.8429 50 0.03 98
IV.CAFE.HHZ. 2023-12-19T06:14:41.37 0.1 undecidable manual S 273 31.1466 50 -0.28 92
IV.MRLC.HHZ. 2023-12-19T06:14:41.47 0.6 undecidable manual S 199 30.2475 50 0.07 49
IX.SFL3.HNZ.01 2023-12-19T06:14:40.30 0.3 undecidable manual S 186 25.0527 50 0.28 71
IV.MRVN.HHZ. 2023-12-19T06:14:39.96 0.1 undecidable manual P 84 49.4172 50 0.13 93
IV.ACER.HHZ. 2023-12-19T06:14:37.92 0.1 undecidable manual P 132 37.629 50 -0.1 95
IV.CAFE.HHZ. 2023-12-19T06:14:37.32 0.3 negative manual P 273 31.1466 50 0.3 69
IV.SNAL.HHZ. 2023-12-19T06:14:37.08 0.6 positive manual P 254 34.8429 50 -0.51 44
IX.SFL3.HNZ.01 2023-12-19T06:14:36.27 0.1 undecidable manual P 186 25.0527 50 0.19 96
IV.MRLC.HHZ. 2023-12-19T06:14:36.52 0.6 undecidable manual P 199 30.2475 50 -0.36 45
IV.OT07.EHZ. 2023-12-19T06:14:35.27 3.0 undecidable manual P 0
IX.CLT3.HNZ.02 2023-12-19T06:14:35.93 0.1 undecidable manual P 234 21.0678 116 0.53 88
IV.VULT.HHZ. 2023-12-19T06:14:34.44 0.1 undecidable manual S 174 6.5934 148 -0.51 94
IV.VULT.HHZ. 2023-12-19T06:14:33.22 0.1 negative manual P 174 6.5934 148 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VULT.HHE. ML:1.6 0.0005625 0.14 AML other m 2023-12-19T06:14:36.20
IV.VULT.HHN. ML:1.5 0.00048642255 0.0992 AML other m 2023-12-19T06:14:36.09
IV.MRLC.HHE. ML:0.8 0.00003125 0.38 AML other m 2023-12-19T06:14:42.25
IV.CAFE.HHN. ML:1.1 0.000054900000000000006 1.74 AML other m 2023-12-19T06:14:42.96
IV.MRLC.HHN. ML:0.7 0.000025200725 0.2624 AML other m 2023-12-19T06:14:43.69
IV.CAFE.HHE. ML:1.3 0.0001003 0.28 AML other m 2023-12-19T06:14:43.35
IV.VULT.HNE. ML:1.6 0.0006583812 0.1312 AML other m 2023-12-19T06:14:36.20
IV.SNAL.HHE. ML:1.0 0.000039308915 0.2016 AML other m 2023-12-19T06:14:43.76
IV.SNAL.HHN. ML:1.1 0.00004989359 1.1008 AML other m 2023-12-19T06:14:42.05
IV.CAFE.HNN. ML:1.1 0.00005811972 0.2688 AML other m 2023-12-19T06:14:42.96
IV.CAFE.HNE. ML:1.4 0.00010369395000000001 0.2912 AML other m 2023-12-19T06:14:43.35
IV.ACER.HNN. ML:1.2 0.000058105035 0.6304 AML other m 2023-12-19T06:14:43.51
IV.ACER.HHE. ML:1.2 0.000059190989999999996 0.3776 AML other m 2023-12-19T06:14:45.21
IV.ACER.HHN. ML:1.1 0.000046732255000000003 0.5824 AML other m 2023-12-19T06:14:44.38
IV.ACER.HNE. ML:1.3 0.000074675335 0.6016 AML other m 2023-12-19T06:14:45.80
IV.MRVN.HHE. ML:0.8 0.0000150042475 0.16 AML other m 2023-12-19T06:14:50.72
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