Earthquake with magnitude of ML 1.5 on date 20-11-2023 and time 12:25:21 (Italy) in region 4 km SE Pietrapertosa (PZ)

A magnitude ML 1.5 earthquake occured in region: 4 km SE Pietrapertosa (PZ), on

  • 20-11-2023 11:25:21 (UTC)
  • 20-11-2023 12:25:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.4970, 16.0970 at 6 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
Pietrapertosa PZ 4 1032 1032
Accettura MT 5 1856 2888
Castelmezzano PZ 6 800 3688
Campomaggiore PZ 8 811 4499
Oliveto Lucano MT 9 450 4949
Albano di Lucania PZ 11 1435 6384
Laurenzana PZ 11 1797 8181
Gorgoglione MT 12 989 9170
Garaguso MT 13 1073 10243
Calciano MT 13 777 11020
Trivigno PZ 13 678 11698
Cirigliano MT 13 375 12073
San Mauro Forte MT 13 1552 13625
Corleto Perticara PZ 13 2511 16136
Tricarico MT 14 5388 21524
Anzi PZ 15 1696 23220
Guardia Perticara PZ 15 552 23772
Stigliano MT 15 4361 28133
Brindisi Montagna PZ 18 908 29041
Salandra MT 19 2829 31870

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SE of Potenza (67122 inhabitants)
46 Km W of Matera (60436 inhabitants)
53 Km SW of Altamura (70396 inhabitants)
83 Km S of Andria (100440 inhabitants)
85 Km SW of Bitonto (55540 inhabitants)
87 Km S of Cerignola (58396 inhabitants)
90 Km SW of Molfetta (59874 inhabitants)
90 Km SW of Bisceglie (55422 inhabitants)
91 Km S of Trani (56217 inhabitants)
93 Km S of Barletta (94814 inhabitants)
95 Km E of Battipaglia (50786 inhabitants)
95 Km SW of Bari (326344 inhabitants)
96 Km W of Taranto (201100 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 1.5 2023-11-20
11:25:21
40.4972 16.0973 7 2023-11-20
11:32:29
Sala Sismica INGV-Roma 123285911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-20 11:25:21 ± 0.4
Latitude 40.4972 ± 0.0054
Longitude 16.0973 ± 0.0177
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123285911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1462
Semi-minor axis of confidence ellipse (meter) 248
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 1460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.31206
Epicentral distance of station farthest from the epicenter (degree) 0.83997
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 123285911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-20 11:32:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFE.HNZ. 2023-11-20T11:25:50.53 0.6 undecidable manual S 309 93.24 50 0.19 43
IV.MRVN.HHZ. 2023-11-20T11:25:42.20 0.3 undecidable manual S 8 63.0924 50 -0.09 72
XE.TNOVA.HHE. 2023-11-20T11:25:41.73 0.3 undecidable manual S 166 59.5959 50 0.37 66
MN.CUC.HHZ. 2023-11-20T11:25:41.28 0.6 undecidable manual S 203 60.6948 50 -0.38 46
XE.T0701.HHZ. 2023-11-20T11:25:40.63 0.3 undecidable manual S 178 56.6988 50 0.04 72
IV.MRLC.HHE. 2023-11-20T11:25:40.58 0.6 undecidable manual S 300 58.6968 50 -0.55 45
IV.CAFE.HNZ. 2023-11-20T11:25:38.80 0.3 undecidable manual P 309 93.24 50 0.45 64
IV.ACER.HHZ. 2023-11-20T11:25:34.89 0.3 undecidable manual S 338 34.6431 101 0.68 72
MN.CUC.HHZ. 2023-11-20T11:25:33.14 0.1 undecidable manual P 203 60.6948 50 -0.2 92
IV.MRLC.HHE. 2023-11-20T11:25:33.16 0.1 undecidable manual P 300 58.6968 50 0.12 97
IV.MRVN.HHZ. 2023-11-20T11:25:33.27 0.1 undecidable manual P 8 63.0924 50 -0.43 88
XE.TNOVA.HHE. 2023-11-20T11:25:33.08 0.1 undecidable manual P 166 59.5959 50 -0.09 95
XE.T0701.HHZ. 2023-11-20T11:25:32.81 0.1 undecidable manual P 178 56.6988 50 0.09 98
IV.ACER.HHZ. 2023-11-20T11:25:29.50 0.1 undecidable manual P 338 34.6431 101 0.46 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ACER.HHE. ML:1.9 0.00032250000000000003 0.4 AML other m 2023-11-20T11:25:35.45
IV.ACER.HNE. ML:1.8 0.00029949999999999996 0.4 AML other m 2023-11-20T11:25:35.45
IV.ACER.HNN. ML:1.6 0.00019 0.64 AML other m 2023-11-20T11:25:35.80
IV.ACER.HHN. ML:1.7 0.00021050000000000002 0.62 AML other m 2023-11-20T11:25:35.80
XE.T0701.HHE. ML:1.3 0.0000434 0.54 AML other m 2023-11-20T11:25:41.46
XE.T0701.HHN. ML:1.3 0.0000441 0.66 AML other m 2023-11-20T11:25:42.73
IV.MRVN.HHE. ML:1.0 0.000021850000000000003 0.78 AML other m 2023-11-20T11:25:44.96
IV.MRVN.HHN. ML:0.9 0.000016300000000000003 0.32 AML other m 2023-11-20T11:25:45.53
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