Earthquake with magnitude of ML 1.3 on date 21-11-2023 and time 03:32:38 (Italy) in region 2 km SW Sant'Arcangelo (PZ)

A magnitude ML 1.3 earthquake occured in region: 2 km SW Sant'Arcangelo (PZ), on

  • 21-11-2023 02:32:38 (UTC)
  • 21-11-2023 03:32:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.2410, 16.2600 at 26 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
Sant'Arcangelo PZ 2 6533 6533
Roccanova PZ 5 1543 8076
Castronuovo di Sant'Andrea PZ 8 1067 9143
Aliano MT 9 1008 10151
Missanello PZ 9 566 10717
Senise PZ 11 7115 17832
Gallicchio PZ 12 862 18694
Chiaromonte PZ 13 1965 20659
Calvera PZ 14 387 21046
Colobraro MT 15 1266 22312
Teana PZ 16 613 22925
Fardella PZ 16 627 23552
San Chirico Raparo PZ 16 1084 24636
Valsinni MT 17 1544 26180
San Martino d'Agri PZ 18 801 26981
San Giorgio Lucano MT 18 1217 28198
Armento PZ 18 631 28829
Noepoli PZ 18 878 29707
Carbone PZ 18 638 30345
Francavilla in Sinni PZ 18 4215 34560
Stigliano MT 18 4361 38921
Tursi MT 19 5037 43958
Cirigliano MT 19 375 44333
Guardia Perticara PZ 19 552 44885
Gorgoglione MT 20 989 45874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km SW of Matera (60436 inhabitants)
59 Km SE of Potenza (67122 inhabitants)
70 Km SW of Altamura (70396 inhabitants)
87 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 1.3 2023-11-21
02:32:38
40.2408 16.2598 26 2023-11-21
02:37:51
Sala Sismica INGV-Roma 123296031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-21 02:32:38 ± 0.15
Latitude 40.2408 ± 0.0045
Longitude 16.2598 ± 0.0059
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123296031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 550
Semi-minor axis of confidence ellipse (meter) 137
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41998
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 123296031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-21 02:37:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MIGL.HHZ. 2023-11-21T02:32:53.43 0.6 undecidable manual S 21 43.1235 114 -0.32 46
IV.MTSN.HHZ. 2023-11-21T02:32:53.47 0.6 undecidable manual S 274 43.1235 114 -0.28 46
IV.MCEL.HHZ. 2023-11-21T02:32:53.10 1.0 undecidable manual S 284 39.8268 117 0.14 24
XE.BIDON.HHZ. 2023-11-21T02:32:52.31 0.6 undecidable manual S 153 36.741 119 0.09 48
IV.SALB.HHZ. 2023-11-21T02:32:52.85 0.6 undecidable manual S 170 41.0256 116 -0.38 46
IV.SIRI.HHZ. 2023-11-21T02:32:51.48 0.6 undecidable manual S 259 33.8439 121 -0.08 49
XE.TNOVA.HNE. 2023-11-21T02:32:50.36 0.6 undecidable manual S 180 29.5482 125 -0.23 48
XE.T0701.HHZ. 2023-11-21T02:32:50.89 0.6 undecidable manual S 203 30.747 124 0.03 50
IV.SCHR.EHZ. 2023-11-21T02:32:48.08 0.6 undecidable manual S 254 16.2726 144 0.04 51
MN.CUC.HHN. 2023-11-21T02:32:48.28 0.6 undecidable manual P 234 46.62 112 0.31 46
IV.MCEL.HHZ. 2023-11-21T02:32:47.11 0.6 undecidable manual P 284 39.8268 117 0.09 48
IV.MIGL.HHZ. 2023-11-21T02:32:47.17 1.0 undecidable manual P 21 43.1235 114 -0.31 23
IV.MTSN.HHZ. 2023-11-21T02:32:47.63 1.0 negative manual P 274 43.1235 114 0.16 24
IV.PTRP.HHZ. 2023-11-21T02:32:46.89 0.6 undecidable manual P 332 35.3424 120 0.48 45
XE.BIDON.HHZ. 2023-11-21T02:32:46.65 0.6 negative manual P 153 36.741 119 0.06 49
IV.SALB.HHZ. 2023-11-21T02:32:46.99 0.3 positive manual P 170 41.0256 116 -0.19 71
IV.SIRI.HHZ. 2023-11-21T02:32:45.89 1.0 undecidable manual P 259 33.8439 121 -0.32 23
XE.TNOVA.HNE. 2023-11-21T02:32:45.61 0.3 undecidable manual P 180 29.5482 125 -0.04 75
XE.T0701.HHZ. 2023-11-21T02:32:45.83 1.0 undecidable manual P 203 30.747 124 0.02 25
IV.ORI.HHZ. 2023-11-21T02:32:45.65 0.1 positive manual P 142 26.5512 129 0.37 93
IV.SCHR.EHZ. 2023-11-21T02:32:44.25 0.6 positive manual P 254 16.2726 144 0.07 51
IV.CRAC.EHZ. 2023-11-21T02:32:44.63 0.1 positive manual Pn -0.09 1.97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SCHR.EHN. ML:0.0 0.0000582 0.48 AML other m 2023-11-21T02:32:48.84
IV.SCHR.EHE. ML:0.0 0.00007745 0.12 AML other m 2023-11-21T02:32:48.84
IV.CRAC.EHE. ML:1.7 0.0002155 0.26 AML other m 2023-11-21T02:32:49.36
IV.CRAC.EHN. ML:1.6 0.0001985 0.24 AML other m 2023-11-21T02:32:50.64
IV.ORI.HHN. ML:1.3 0.0000781 0.44 AML other m 2023-11-21T02:32:52.23
XE.T0701.HHE. ML:1.2 0.00006150599 0.12 AML other m 2023-11-21T02:32:52.83
XE.T0701.HNN. ML:1.0 0.000038152405 0.8704 AML other m 2023-11-21T02:33:03.41
IV.SIRI.HHN. ML:1.2 0.0000482 0.96 AML other m 2023-11-21T02:32:52.38
XE.T0701.HHN. ML:1.1 0.000047468750000000005 0.1392 AML other m 2023-11-21T02:32:52.15
XE.T0701.HNE. ML:1.0 0.0000422 1.08 AML other m 2023-11-21T02:32:52.77
IV.SALB.HHE. ML:1.5 0.0000802 0.16 AML other m 2023-11-21T02:32:54.15
IV.SALB.HHN. ML:1.0 0.00002995 0.76 AML other m 2023-11-21T02:32:54.03
IV.MCEL.HHN. ML:1.1 0.00004 0.46 AML other m 2023-11-21T02:32:54.19
IV.MCEL.HHE. ML:1.2 0.0000504 0.56 AML other m 2023-11-21T02:32:54.42
IV.MCEL.HNN. ML:1.6 0.00010779999999999999 0.64 AML other m 2023-11-21T02:32:54.63
IV.SIRI.HHE. ML:1.1 0.00004405000000000001 1.72 AML other m 2023-11-21T02:32:54.06
IV.MCEL.HNE. ML:1.5 0.0000955 0.42 AML other m 2023-11-21T02:32:55.67
IV.ORI.HHE. ML:1.3 0.000080236085 0.3808 AML other m 2023-11-21T02:32:58.03
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