Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.3 on date 01-09-2023 and time 19:55:50 (UTC) in region 6 km W Castelsaraceno (PZ)

A magnitude ML 0.3 earthquake occured in region: 6 km W Castelsaraceno (PZ), on

  • 01-09-2023 19:55:50 (UTC)
  • 01-09-2023 21:55:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.1750, 15.9180 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.

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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
Castelsaraceno PZ 7 1384 1384
Moliterno PZ 9 4062 5446
Sarconi PZ 9 1404 6850
Spinoso PZ 11 1462 8312
Grumento Nova PZ 12 1700 10012
Latronico PZ 12 4556 14568
San Martino d'Agri PZ 13 801 15369
San Chirico Raparo PZ 14 1084 16453
Lagonegro PZ 14 5584 22037
Carbone PZ 15 638 22675
Montemurro PZ 15 1235 23910
Lauria PZ 16 12919 36829
Nemoli PZ 16 1495 38324
Rivello PZ 17 2767 41091
Viggiano PZ 19 3329 44420
Castelluccio Superiore PZ 19 824 45244
Episcopia PZ 19 1434 46678
Armento PZ 19 631 47309
Castelluccio Inferiore PZ 19 2131 49440
Calvera PZ 19 387 49827
Tramutola PZ 20 3089 52916

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km S of Potenza (67122 inhabitants)
80 Km SW of Matera (60436 inhabitants)
90 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 0.3 2023-09-01
19:55:50		 40.1748 15.9182 8 2023-09-01
20:26:41		 Sala Sismica INGV-Roma 120667211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-01 19:55:50 ± 0.17
Latitude 40.1748 ± 0.0063
Longitude 15.9182 ± 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 120667211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 654
Semi-minor axis of confidence ellipse (meter) 278
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 16
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.19695
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 120667211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-01 20:26:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCEL.HHZ. 2023-09-01T19:55:58.18 0.6 undecidable manual S 329 19.3695 112 -0.03 49
IV.MTSN.HHE. 2023-09-01T19:55:57.51 0.6 undecidable manual S 306 17.3715 115 -0.08 48
IV.SCHR.EHZ. 2023-09-01T19:55:56.38 0.6 undecidable manual S 79 13.6752 120 -0.05 49
IV.MCEL.HHZ. 2023-09-01T19:55:55.54 0.6 undecidable manual P 329 19.3695 112 0.39 45
MN.CUC.HHZ. 2023-09-01T19:55:55.64 1.0 negative manual P 203 21.867 110 0.01 24
IV.MTSN.HHE. 2023-09-01T19:55:54.61 0.3 undecidable manual P 306 17.3715 115 -0.18 71
IV.SIRI.HHZ. 2023-09-01T19:55:54.15 0.6 undecidable manual S 281 4.3956 151 0.04 50
IV.SCHR.EHZ. 2023-09-01T19:55:54.11 0.3 positive manual P 79 13.6752 120 -0.01 74
IV.SIRI.HHZ. 2023-09-01T19:55:52.81 0.1 negative manual P 281 4.3956 151 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SIRI.HHE. ML:0.0 0.000039264355 0.256 AML other m 2023-09-01T19:55:56.12
IV.SIRI.HHN. ML:0.0 0.000051205195 0.2304 AML other m 2023-09-01T19:55:56.24
IV.SIRI.HNE. ML:0.0 0.0000401063095 0.2688 AML other m 2023-09-01T19:55:56.24
IV.SIRI.HNN. ML:0.0 0.00005708246 0.3072 AML other m 2023-09-01T19:55:56.24
IV.SCHR.EHE. ML:0.1 0.000013871331 0.256 AML other m 2023-09-01T19:55:56.42
IV.SCHR.EHN. ML:0.1 0.000013391895000000001 0.1536 AML other m 2023-09-01T19:55:56.67
IV.MCEL.HNE. ML:0.8 0.00004910153 0.4224 AML other m 2023-09-01T19:55:59.15
IV.MCEL.HNN. ML:0.6 0.000029586715 0.5632 AML other m 2023-09-01T19:56:02.37
IV.MCEL.HHE. ML:0.3 0.0000147617745 0.2048 AML other m 2023-09-01T19:55:58.64
IV.MCEL.HHN. ML:0.1 0.000007615533499999999 0.6272 AML other m 2023-09-01T19:55:54.91
MN.CUC.HNE. ML:1.5 0.000227977905 1.5104 AML other m 2023-09-01T19:56:06.91
MN.CUC.HNN. ML:1.1 0.00009238543499999999 0.9344 AML other m 2023-09-01T19:55:56.96
MN.CUC.HHE. ML:-0.2 0.0000073652179999999995 0.2432 AML other m 2023-09-01T19:56:00.44
MN.CUC.HHN. ML:0.2 0.000010733461 0.5248 AML other m 2023-09-01T19:56:02.17
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