Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 22-04-2023 and time 06:41:38 (UTC) in region 5 km NW Castelsaraceno (PZ)

A magnitude ML 1.3 earthquake occured in region: 5 km NW Castelsaraceno (PZ), on

  • 22-04-2023 06:41:38 (UTC)
  • 22-04-2023 08:41:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.2040, 15.9560 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 5 1384 1384
Spinoso PZ 7 1462 2846
Sarconi PZ 8 1404 4250
Moliterno PZ 9 4062 8312
San Martino d'Agri PZ 9 801 9113
San Chirico Raparo PZ 10 1084 10197
Grumento Nova PZ 11 1700 11897
Montemurro PZ 11 1235 13132
Carbone PZ 13 638 13770
Latronico PZ 14 4556 18326
Armento PZ 15 631 18957
Viggiano PZ 16 3329 22286
Calvera PZ 17 387 22673
Gallicchio PZ 18 862 23535
Lagonegro PZ 19 5584 29119
Teana PZ 19 613 29732
Episcopia PZ 19 1434 31166
Tramutola PZ 19 3089 34255
Castronuovo di Sant'Andrea PZ 20 1067 35322
Missanello PZ 20 566 35888
Lauria PZ 20 12919 48807

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km S of Potenza (67122 inhabitants)
75 Km SW of Matera (60436 inhabitants)
86 Km SW of Altamura (70396 inhabitants)
94 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
Bulletin
Rev1000 		ML 1.3 2023-04-22
06:41:38		 40.2042 15.9558 11 2024-03-01
17:18:08		 Bollettino Sismico Italiano INGV 117400821
Reviewed
Rev100 		ML 1.6 2023-04-22
06:41:39		 40.1983 15.9757 11 2023-04-22
06:54:52		 Sala Sismica INGV-Roma 116598681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-22 06:41:38 ± 0.14
Latitude 40.2042 ± 0.0126
Longitude 15.9558 ± 0.0106
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117400821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1471
Semi-minor axis of confidence ellipse (meter) 693
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 20
Circular confidence region, given by single value of horizontal uncertainty (meter) 1470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.07105
Epicentral distance of station farthest from the epicenter (degree) 0.44247
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 116598681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-22 06:54:52

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 117400821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-16 07:45:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SALB.HHZ. 2023-04-22T06:41:53.92 0.3 undecidable manual S 137 49.1175 50 -0.49 87
XE.MORMA.HNZ. 2023-04-22T06:41:51.71 0.6 undecidable manual S 178 37.1295 50 0.51 60
XE.TNOVA.HNZ. 2023-04-22T06:41:51.86 0.3 undecidable manual S 134 36.3414 50 0.87 79
IV.MGR.HHZ. 2023-04-22T06:41:49.75 0.3 undecidable manual S 258 34.8429 50 -0.86 77
XE.T0701.HNZ. 2023-04-22T06:41:48.82 0.3 undecidable manual S 151 27.75 50 0.12 100
IV.SALB.HHZ. 2023-04-22T06:41:47.91 0.6 undecidable manual P 137 49.1175 50 0.1 64
IV.MCEL.HHZ. 2023-04-22T06:41:46.89 0.3 undecidable manual S 316 18.6702 50 0.6 88
XE.MORMA.HNZ. 2023-04-22T06:41:45.83 0.6 undecidable manual P 178 37.1295 50 -0.13 65
XE.TNOVA.HNZ. 2023-04-22T06:41:45.61 0.6 undecidable manual P 134 36.3414 50 -0.23 63
IV.MGR.HHZ. 2023-04-22T06:41:45.28 0.6 undecidable manual P 258 34.8429 50 -0.34 62
IV.PTRP.HHZ. 2023-04-22T06:41:45.96 0.6 undecidable manual P 14 36.3414 50 0.12 66
IV.MTSN.HHZ. 2023-04-22T06:41:45.50 0.3 undecidable manual S 292 18.6702 50 -0.77 85
XE.T0701.HNZ. 2023-04-22T06:41:44.60 0.3 undecidable manual P 151 27.75 50 0.08 100
IV.MCEL.HHZ. 2023-04-22T06:41:43.48 0.3 undecidable manual P 316 18.6702 50 0.36 95
IV.SCHR.EHZ. 2023-04-22T06:41:43.46 0.3 undecidable manual S 93 10.1787 137 -0.52 95
IV.MTSN.HHZ. 2023-04-22T06:41:43.59 0.3 undecidable manual P 292 18.6702 50 0.48 92
IV.SIRI.HHZ. 2023-04-22T06:41:43.90 0.6 undecidable manual S 252 7.881 144 0.44 62
IV.SCHR.EHZ. 2023-04-22T06:41:41.39 0.3 undecidable manual P 93 10.1787 137 -0.4 97
IV.SIRI.HHZ. 2023-04-22T06:41:41.70 0.3 undecidable manual P 252 7.881 144 0.2 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SIRI.HHE. ML:1.9 0.0010705 0.76 AML other m 2023-04-22T06:41:44.52
IV.SIRI.HHN. ML:1.9 0.0010306950500000001 0.56 AML other m 2023-04-22T06:41:46.45
IV.MTSN.HHE. ML:1.5 0.00022950000000000002 1.52 AML other m 2023-04-22T06:41:51.96
IV.MCEL.HHN. ML:0.9 0.00005590966 0.2624 AML other m 2023-04-22T06:41:47.52
IV.MTSN.HHN. ML:1.2 0.0001326025 2.9408 AML other m 2023-04-22T06:41:45.63
IV.MCEL.HHE. ML:1.1 0.000095600435 0.4992 AML other m 2023-04-22T06:41:47.66
IV.MGR.HHN. ML:1.2 0.0000659 0.56 AML other m 2023-04-22T06:41:55.35
IV.MGR.HHE. ML:1.0 0.00004485 0.56 AML other m 2023-04-22T06:41:55.61
IV.SALB.HHE. ML:1.3 0.000051250000000000006 0.44 AML other m 2023-04-22T06:41:57.41
IV.SALB.HHN. ML:1.3 0.00005475 0.36 AML other m 2023-04-22T06:41:59.68
IV.MCEL.HNN. ML:1.6 0.00034012535 0.3808 AML other m 2023-04-22T06:41:49.38
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