Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 28-05-2023 and time 00:55:46 (UTC) in region 6 km W Castelsaraceno (PZ)

A magnitude ML 1.0 earthquake occured in region: 6 km W Castelsaraceno (PZ), on

  • 28-05-2023 00:55:46 (UTC)
  • 28-05-2023 02:55:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.1820, 15.9300 at 10 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 6 1384 1384
Sarconi PZ 8 1404 2788
Moliterno PZ 9 4062 6850
Spinoso PZ 10 1462 8312
Grumento Nova PZ 12 1700 10012
San Martino d'Agri PZ 12 801 10813
Latronico PZ 12 4556 15369
San Chirico Raparo PZ 13 1084 16453
Montemurro PZ 14 1235 17688
Carbone PZ 14 638 18326
Lagonegro PZ 16 5584 23910
Lauria PZ 17 12919 36829
Nemoli PZ 17 1495 38324
Viggiano PZ 18 3329 41653
Armento PZ 18 631 42284
Rivello PZ 19 2767 45051
Calvera PZ 19 387 45438
Episcopia PZ 19 1434 46872
Castelluccio Superiore PZ 20 824 47696
Tramutola PZ 20 3089 50785
Teana PZ 20 613 51398
Castelluccio Inferiore PZ 20 2131 53529

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km S of Potenza (67122 inhabitants)
78 Km SW of Matera (60436 inhabitants)
89 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 1.0 2023-05-28
00:55:46		 40.1825 15.9303 10 2023-05-28
01:03:39		 Sala Sismica INGV-Roma 117795351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-28 00:55:46 ± 0.12
Latitude 40.1825 ± 0.0144
Longitude 15.9303 ± 0.0118
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117795351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1777
Semi-minor axis of confidence ellipse (meter) 382
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 29
Circular confidence region, given by single value of horizontal uncertainty (meter) 1780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
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) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.04766
Epicentral distance of station farthest from the epicenter (degree) 0.56657
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:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 117795351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-28 01:03:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CDRU.HNZ. 2023-05-28T00:56:07.25 0.6 undecidable manual S 303 62.8926 50 0.88 37
XE.TNOVA.HHN. 2023-05-28T00:55:59.20 0.1 undecidable manual S 129 36.3414 50 -0.06 100
IV.SLCN.HHZ. 2023-05-28T00:55:58.83 0.6 undecidable manual S 313 34.1436 50 0.16 49
IV.CDRU.HNZ. 2023-05-28T00:55:57.90 0.1 undecidable manual P 303 62.8926 50 -0.21 92
XE.T0701.HHN. 2023-05-28T00:55:57.40 0.3 undecidable manual S 144 26.8509 50 0.66 65
IV.MTSN.HHZ. 2023-05-28T00:55:54.06 0.3 undecidable manual S 302 17.7711 119 0.2 75
XE.TNOVA.HHN. 2023-05-28T00:55:53.76 0.1 undecidable manual P 129 36.3414 50 -0.24 96
IV.SLCN.HHZ. 2023-05-28T00:55:53.50 0.1 undecidable manual P 313 34.1436 50 -0.17 98
IV.SCHR.EHZ. 2023-05-28T00:55:52.90 0.1 undecidable manual S 81 12.4764 128 0.58 92
XE.T0701.HHN. 2023-05-28T00:55:52.38 0.1 undecidable manual P 144 26.8509 50 -0.17 99
IV.MTSN.HHZ. 2023-05-28T00:55:50.65 0.1 undecidable manual P 302 17.7711 119 -0.24 100
IV.SIRI.HHZ. 2023-05-28T00:55:50.82 0.6 undecidable manual S 270 5.2947 151 0.14 52
IV.SIRI.HHZ. 2023-05-28T00:55:49.14 0.6 negative manual P 270 5.2947 151 0.09 52
IV.SCHR.EHZ. 2023-05-28T00:55:49.34 0.1 undecidable manual P 81 12.4764 128 -0.65 89
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SIRI.HNN. ML:1.0 0.0001875 0.18 AML other m 2023-05-28T00:55:52.90
IV.SIRI.HHN. ML:1.0 0.000185 0.18 AML other m 2023-05-28T00:55:52.90
IV.SIRI.HNE. ML:1.0 0.000188 0.8 AML other m 2023-05-28T00:55:54.66
IV.SIRI.HHE. ML:1.0 0.0001825 0.8 AML other m 2023-05-28T00:55:54.26
IV.MTSN.HHN. ML:0.7 0.0000474 0.32 AML other m 2023-05-28T00:55:56.42
IV.MTSN.HHE. ML:0.9 0.00005775 0.62 AML other m 2023-05-28T00:55:56.32
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