Earthquake with magnitude of ML 1.2 on date 21-10-2023 and time 23:46:10 (Italy) in region 6 km W Castelsaraceno (PZ)

A magnitude ML 1.2 earthquake occured in region: 6 km W Castelsaraceno (PZ), on

  • 21-10-2023 21:46:10 (UTC)
  • 21-10-2023 23:46:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.1710, 15.9230 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
Castelsaraceno PZ 6 1384 1384
Sarconi PZ 9 1404 2788
Moliterno PZ 9 4062 6850
Spinoso PZ 11 1462 8312
Latronico PZ 12 4556 12868
Grumento Nova PZ 13 1700 14568
San Martino d'Agri PZ 13 801 15369
San Chirico Raparo PZ 13 1084 16453
Carbone PZ 15 638 17091
Lagonegro PZ 15 5584 22675
Lauria PZ 15 12919 35594
Nemoli PZ 16 1495 37089
Montemurro PZ 16 1235 38324
Rivello PZ 17 2767 41091
Episcopia PZ 18 1434 42525
Castelluccio Superiore PZ 18 824 43349
Castelluccio Inferiore PZ 19 2131 45480
Calvera PZ 19 387 45867
Viggiano PZ 19 3329 49196
Armento PZ 19 631 49827
Trecchina PZ 20 2316 52143

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km S of Potenza (67122 inhabitants)
80 Km SW of Matera (60436 inhabitants)
91 Km SW of Altamura (70396 inhabitants)
93 Km SE of Battipaglia (50786 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 2023-10-21
21:46:10
40.1708 15.9233 8 2023-10-21
21:53:42
Sala Sismica INGV-Roma 122274061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-21 21:46:10 ± 0.11
Latitude 40.1708 ± 0.0036
Longitude 15.9233 ± 0.0047
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122274061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 457
Semi-minor axis of confidence ellipse (meter) 149
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
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) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30307
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 122274061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-21 21:53:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.COL3.HHZ.02 2023-10-21T21:46:24.39 3.0 undecidable manual P 0.08 0
XE.LAICA.HNZ. 2023-10-21T21:46:19.55 0.6 undecidable manual S 170 25.0527 107 0.32 46
IV.MTSN.HHZ. 2023-10-21T21:46:17.22 0.3 undecidable manual S 306 17.9709 113 0.3 70
IV.MCEL.HHZ. 2023-10-21T21:46:17.68 0.3 undecidable manual S 329 19.9689 111 0.14 72
XE.CNESE.HNZ. 2023-10-21T21:46:17.33 0.6 undecidable manual P 156 33.6441 103 0.28 46
XE.MORMA.HNZ. 2023-10-21T21:46:16.82 0.6 undecidable manual P 173 33.6441 103 -0.24 46
IV.MGR.HHZ. 2023-10-21T21:46:16.53 0.6 undecidable manual P 263 31.5462 103 -0.12 47
IV.SCHR.EHZ. 2023-10-21T21:46:15.55 0.3 undecidable manual S 76 13.2756 120 0.1 74
XE.T0701.HNZ. 2023-10-21T21:46:15.38 0.3 undecidable manual P 141 26.2515 106 -0.23 70
XE.LAICA.HNZ. 2023-10-21T21:46:15.35 0.6 undecidable manual P 170 25.0527 107 -0.04 49
MN.CUC.HHZ. 2023-10-21T21:46:14.91 0.6 undecidable manual P 205 21.6672 109 0.16 48
IV.MTSN.HHZ. 2023-10-21T21:46:14.07 0.3 positive manual P 306 17.9709 113 0.01 74
IV.MCEL.HHZ. 2023-10-21T21:46:14.21 0.1 negative manual P 329 19.9689 111 -0.21 95
IV.SCHR.EHZ. 2023-10-21T21:46:13.22 0.1 undecidable manual P 76 13.2756 120 0.01 100
IV.SIRI.HHZ. 2023-10-21T21:46:13.12 0.3 undecidable manual S 285 4.8951 147 -0.15 74
IV.SIRI.HHZ. 2023-10-21T21:46:11.54 1.0 undecidable manual P 285 4.8951 147 -0.41 23
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SIRI.HNN. ML:0.0 0.0005354763 0.1536 AML other m 2023-10-21T21:46:13.14
IV.SIRI.HHN. ML:0.0 0.00055458785 0.1408 AML other m 2023-10-21T21:46:13.13
IV.SIRI.HNE. ML:0.0 0.00048223475000000004 0.2304 AML other m 2023-10-21T21:46:13.94
IV.SIRI.HHE. ML:0.0 0.00048879035 0.2432 AML other m 2023-10-21T21:46:13.95
IV.SCHR.EHE. ML:1.1 0.00014096609999999997 0.1792 AML other m 2023-10-21T21:46:15.84
IV.SCHR.EHN. ML:1.3 0.00022499999999999997 0.22 AML other m 2023-10-21T21:46:15.71
IV.MCEL.HHE. ML:1.1 0.0000879482165 0.3584 AML other m 2023-10-21T21:46:17.95
IV.MTSN.HHE. ML:1.4 0.00022328025000000002 0.256 AML other m 2023-10-21T21:46:17.47
IV.MTSN.HHN. ML:1.2 0.00013893140000000002 0.1536 AML other m 2023-10-21T21:46:17.86
IV.MCEL.HNN. ML:1.4 0.00020066985000000002 0.384 AML other m 2023-10-21T21:46:18.84
IV.MCEL.HNE. ML:1.6 0.000274137015 0.2304 AML other m 2023-10-21T21:46:19.30
IV.MCEL.HHN. ML:1.0 0.00007009001 0.1664 AML other m 2023-10-21T21:46:17.77
IV.MTSN.HNE. ML:1.7 0.00046360865 1.0624 AML other m 2023-10-21T21:46:18.18
IV.MTSN.HNN. ML:1.5 0.00028635955 0.7168 AML other m 2023-10-21T21:46:17.24
MN.CUC.HNE. ML:1.1 0.00009405293000000001 0.4736 AML other m 2023-10-21T21:46:22.05
MN.CUC.HNN. ML:1.1 0.000087931465 0.7808 AML other m 2023-10-21T21:46:27.06
MN.CUC.HHE. ML:0.9 0.000057834485 0.3584 AML other m 2023-10-21T21:46:22.10
MN.CUC.HHN. ML:0.8 0.00005079531 0.1408 AML other m 2023-10-21T21:46:19.75
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