Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 23-04-2023 and time 16:08:42 (Italy) in region 3 km SW Marsicovetere (PZ)

A magnitude ML 1.1 earthquake occured in region: 3 km SW Marsicovetere (PZ), on

  • 23-04-2023 14:08:42 (UTC)
  • 23-04-2023 16:08:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.3530, 15.8160 at 9 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
Marsicovetere PZ 3 5546 5546
Tramutola PZ 4 3089 8635
Viggiano PZ 8 3329 11964
Paterno PZ 8 3368 15332
Grumento Nova PZ 10 1700 17032
Marsico Nuovo PZ 10 4098 21130
Montesano sulla Marcellana SA 13 6704 27834
Moliterno PZ 13 4062 31896
Sarconi PZ 13 1404 33300
Padula SA 13 5368 38668
Calvello PZ 14 1948 40616
Spinoso PZ 16 1462 42078
Montemurro PZ 16 1235 43313
Abriola PZ 17 1531 44844
Laurenzana PZ 18 1797 46641
Casalbuono SA 19 1194 47835
Sasso di Castalda PZ 19 835 48670
Buonabitacolo SA 19 2549 51219
Corleto Perticara PZ 20 2511 53730
Sala Consilina SA 20 12664 66394

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km S of Potenza (67122 inhabitants)
75 Km W of Matera (60436 inhabitants)
76 Km E of Battipaglia (50786 inhabitants)
82 Km SW of Altamura (70396 inhabitants)
96 Km E of Salerno (135261 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 1.1 2023-04-23
14:08:42		 40.3527 15.8155 9 2024-03-01
17:18:06		 Bollettino Sismico Italiano INGV 117139131
Reviewed
Rev100 		ML 1.2 2023-04-23
14:08:43		 40.3558 15.8272 9 2023-04-23
14:20:43		 Sala Sismica INGV-Roma 116651171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-23 14:08:42 ± 0.07
Latitude 40.3527 ± 0.0036
Longitude 15.8155 ± 0.0071
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117139131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 580
Semi-minor axis of confidence ellipse (meter) 129
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 86
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.02968
Epicentral distance of station farthest from the epicenter (degree) 0.44426
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 116651171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-23 14:20:43

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 117139131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-02-09 14:46:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ACER.HHZ. 2023-04-23T14:08:59.72 0.3 undecidable manual S 13 49.3173 50 0.68 58
MN.CUC.HHZ. 2023-04-23T14:08:56.53 0.6 undecidable manual S 180 39.8268 50 0.03 47
IV.MGR.HHZ. 2023-04-23T14:08:54.40 0.6 undecidable manual S 223 32.5452 50 -0.17 46
IV.ACER.HHZ. 2023-04-23T14:08:52.05 0.3 undecidable manual P 13 49.3173 50 -0.16 67
IV.BULG.HHZ. 2023-04-23T14:08:52.16 0.3 undecidable manual P 231 48.0186 50 0.16 67
IV.SCHR.EHZ. 2023-04-23T14:08:52.78 0.3 undecidable manual S 128 27.8499 107 -0.22 69
IX.PGN3.HNE.02 2023-04-23T14:08:51.98 0.6 undecidable manual S 356 24.4533 110 0.11 47
IV.SIRI.HHZ. 2023-04-23T14:08:50.67 0.3 undecidable manual S 167 19.4694 114 0.41 67
MN.CUC.HHZ. 2023-04-23T14:08:50.39 0.1 undecidable manual P 180 39.8268 50 -0.35 87
IV.MGR.HHZ. 2023-04-23T14:08:49.53 0.1 undecidable manual P 223 32.5452 50 -0.1 93
IV.PTRP.HHZ. 2023-04-23T14:08:49.30 0.3 undecidable manual P 48 27.9498 107 0.55 64
IV.SCHR.EHZ. 2023-04-23T14:08:48.34 0.1 undecidable manual P 128 27.8499 107 -0.39 89
IX.MRN3.HNN.01 2023-04-23T14:08:47.63 0.6 undecidable manual S 318 10.878 129 -0.08 49
IV.SIRI.HHZ. 2023-04-23T14:08:47.31 0.1 undecidable manual P 167 19.4694 114 0.17 94
IX.PGN3.HNE.02 2023-04-23T14:08:47.69 0.1 undecidable manual P 356 24.4533 110 -0.38 89
IV.MTSN.HHZ. 2023-04-23T14:08:47.99 0.3 undecidable manual S 209 10.9779 128 0.25 71
IX.VGG3.HNE.01 2023-04-23T14:08:46.81 0.6 undecidable manual S 104 7.4814 139 -0.04 49
IV.MTSN.HHZ. 2023-04-23T14:08:46.00 0.1 undecidable manual P 209 10.9779 128 0.31 93
IX.MRN3.HNN.01 2023-04-23T14:08:45.44 0.1 undecidable manual P 318 10.878 129 -0.23 94
IX.VGG3.HNE.01 2023-04-23T14:08:45.17 0.1 undecidable manual P 104 7.4814 139 0 99
IV.MCEL.HHZ. 2023-04-23T14:08:45.93 0.6 undecidable manual S 200 3.2967 159 -0.17 48
IV.MCEL.HHZ. 2023-04-23T14:08:44.73 0.1 undecidable manual P 200 3.2967 159 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTSN.HHN. ML:1.1 0.000168 0.6 AML other m 2023-04-23T14:08:49.58
IV.MTSN.HHE. ML:1.2 0.000195 1.2 AML other m 2023-04-23T14:08:51.96
IV.SIRI.HHN. ML:1.3 0.00015500000000000003 0.52 AML other m 2023-04-23T14:08:51.27
IV.SIRI.HHE. ML:1.4 0.000186 0.22 AML other m 2023-04-23T14:08:51.61
IV.SCHR.EHE. ML:1.0 0.00005755 0.12 AML other m 2023-04-23T14:08:53.74
IV.SCHR.EHN. ML:0.9 0.00004555 1.16 AML other m 2023-04-23T14:08:53.83
IV.MGR.HHE. ML:0.8 0.0000282 0.62 AML other m 2023-04-23T14:08:55.89
IV.MGR.HHN. ML:1.0 0.00003895 0.22 AML other m 2023-04-23T14:08:56.14
MN.CUC.HHN. ML:1.3 0.00006584999999999999 0.3 AML other m 2023-04-23T14:08:56.84
MN.CUC.HHE. ML:1.3 0.00007269999999999999 0.34 AML other m 2023-04-23T14:08:57.49
IV.ACER.HHN. ML:1.2 0.00004125 0.4 AML other m 2023-04-23T14:09:00.21
IV.BULG.HHE. ML:0.9 0.000022199999999999998 0.64 AML other m 2023-04-23T14:09:01.03
IV.ACER.HHE. ML:1.3 0.00005625 0.44 AML other m 2023-04-23T14:09:01.38
IV.BULG.HHN. ML:1.0 0.000027450000000000003 0.46 AML other m 2023-04-23T14:09:02.73
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