Earthquake with magnitude of ML 0.9 on date 04-07-2023 and time 01:45:13 (Italy) in region 1 km W Sarconi (PZ)

A magnitude ML 0.9 earthquake occured in region: 1 km W Sarconi (PZ), on

  • 03-07-2023 23:45:13 (UTC)
  • 04-07-2023 01:45:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.2500, 15.8780 at 9 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
Sarconi PZ 1 1404 1404
Moliterno PZ 1 4062 5466
Grumento Nova PZ 4 1700 7166
Spinoso PZ 8 1462 8628
Viggiano PZ 10 3329 11957
Tramutola PZ 11 3089 15046
Montemurro PZ 11 1235 16281
Castelsaraceno PZ 14 1384 17665
Marsicovetere PZ 15 5546 23211
San Martino d'Agri PZ 15 801 24012
Montesano sulla Marcellana SA 15 6704 30716
Casalbuono SA 17 1194 31910
Lagonegro PZ 17 5584 37494
Armento PZ 17 631 38125
San Chirico Raparo PZ 18 1084 39209
Paterno PZ 19 3368 42577

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km S of Potenza (67122 inhabitants)
77 Km SW of Matera (60436 inhabitants)
86 Km E of Battipaglia (50786 inhabitants)
86 Km SW of Altamura (70396 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 0.9 2023-07-03
23:45:13
40.2503 15.8775 9 2023-07-03
23:52:03
Sala Sismica INGV-Roma 118947641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-03 23:45:13 ± 0.26
Latitude 40.2503 ± 0.0072
Longitude 15.8775 ± 0.0082
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118947641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 756
Semi-minor axis of confidence ellipse (meter) 613
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 39
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.06835
Epicentral distance of station farthest from the epicenter (degree) 0.23292
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:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 118947641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-03 23:52:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SLCN.HHZ. 2023-07-03T23:45:23.37 0.6 undecidable manual S 307 25.8519 109 -0.09 49
IV.SCHR.EHZ. 2023-07-03T23:45:21.05 0.6 undecidable manual S 109 17.7711 117 0.19 48
IV.SLCN.HHZ. 2023-07-03T23:45:19.35 1.0 positive manual P 307 25.8519 109 -0.1 24
IV.MTSN.HHZ. 2023-07-03T23:45:19.28 0.6 undecidable manual S 279 10.7781 129 0.46 46
IV.MCEL.HHZ. 2023-07-03T23:45:18.63 0.6 undecidable manual S 322 10.4784 130 -0.09 50
IV.SIRI.HHZ. 2023-07-03T23:45:17.73 0.6 undecidable manual S 186 7.5813 139 -0.31 48
IV.SCHR.EHZ. 2023-07-03T23:45:17.94 1.0 negative manual P 109 17.7711 117 -0.01 25
IV.SIRI.HHZ. 2023-07-03T23:45:16.35 0.6 undecidable manual P 186 7.5813 139 0.03 51
IV.MCEL.HHZ. 2023-07-03T23:45:16.63 0.1 positive manual P 322 10.4784 130 -0.09 100
IV.MTSN.HHZ. 2023-07-03T23:45:16.84 0.6 positive manual P 279 10.7781 129 0.07 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SIRI.HNE. ML:1.0 0.00017449999999999999 0.54 AML other m 2023-07-03T23:45:18.59
IV.MCEL.HHE. ML:0.7 0.00007125000000000001 1.08 AML other m 2023-07-03T23:45:19.60
IV.MCEL.HHN. ML:0.7 0.00006795000000000001 0.78 AML other m 2023-07-03T23:45:19.49
IV.SIRI.HHE. ML:1.1 0.000178 0.3 AML other m 2023-07-03T23:45:19.84
IV.MTSN.HHN. ML:0.8 0.00007355 1.06 AML other m 2023-07-03T23:45:19.46
IV.SIRI.HHN. ML:1.0 0.00016749999999999998 0.88 AML other m 2023-07-03T23:45:20.13
IV.SIRI.HNN. ML:1.0 0.000147 0.88 AML other m 2023-07-03T23:45:20.13
IV.MTSN.HHE. ML:0.8 0.0000731 1.14 AML other m 2023-07-03T23:45:21.29
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