Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 31-08-2023 and time 19:28:09 (Italy) in region 5 km SW Muro Lucano (PZ)

A magnitude ML 2.3 earthquake occured in region: 5 km SW Muro Lucano (PZ), on

  • 31-08-2023 17:28:09 (UTC)
  • 31-08-2023 19:28:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7170, 15.4460 at 4 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
Muro Lucano PZ 5 5497 5497
Ricigliano SA 6 1144 6641
San Gregorio Magno SA 8 4286 10927
Castelgrande PZ 8 943 11870
Bella PZ 9 5171 17041
Balvano PZ 9 1830 18871
Romagnano al Monte SA 10 368 19239
Buccino SA 12 5047 24286
Colliano SA 13 3638 27924
Baragiano PZ 13 2671 30595
Salvitelle SA 14 560 31155
Vietri di Potenza PZ 14 2832 33987
Pescopagano PZ 14 1910 35897
San Fele PZ 14 3004 38901
Laviano SA 14 1438 40339
Palomonte SA 14 3985 44324
Santomenna SA 15 443 44767
Valva SA 15 1643 46410
Rapone PZ 15 990 47400
Castelnuovo di Conza SA 15 619 48019
Sant'Andrea di Conza AV 16 1539 49558
Ruvo del Monte PZ 17 1083 50641
Caggiano SA 17 2765 53406
Auletta SA 18 2336 55742
Oliveto Citra SA 18 3802 59544
Conza della Campania AV 18 1373 60917
Picerno PZ 18 5985 66902
Savoia di Lucania PZ 19 1127 68029
Contursi Terme SA 19 3394 71423
Pertosa SA 19 690 72113
Ruoti PZ 20 3579 75692

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Potenza (67122 inhabitants)
41 Km E of Battipaglia (50786 inhabitants)
58 Km E of Salerno (135261 inhabitants)
59 Km E of Avellino (54857 inhabitants)
62 Km E of Cava de' Tirreni (53659 inhabitants)
72 Km SW of Cerignola (58396 inhabitants)
72 Km SE of Benevento (60091 inhabitants)
78 Km E of Scafati (50787 inhabitants)
81 Km E of Castellammare di Stabia (66466 inhabitants)
83 Km S of Foggia (151991 inhabitants)
91 Km E of Torre del Greco (86275 inhabitants)
91 Km SW of Andria (100440 inhabitants)
93 Km E of Portici (55274 inhabitants)
93 Km E of Ercolano (53709 inhabitants)
94 Km E of Acerra (59573 inhabitants)
94 Km W of Altamura (70396 inhabitants)
97 Km SW of Barletta (94814 inhabitants)
97 Km W of Matera (60436 inhabitants)
98 Km E of Afragola (65057 inhabitants)
99 Km E of Casoria (77642 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 2.3 2023-08-31
17:28:09		 40.7168 15.4455 4 2023-08-31
22:44:45		 Sala Sismica INGV-Roma 120647231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-31 17:28:09 ± 0.11
Latitude 40.7168 ± 0.0054
Longitude 15.4455 ± 0.0071
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120647231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 630
Semi-minor axis of confidence ellipse (meter) 191
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 155
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.66280
Number of stations at which the event was observed 45
Number of stations from which data was used for origin computation 21
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 51
Type of magnitude ML
Reference to an origin 120647231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-31 22:44:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
7C.SPAOL.HNZ. 2023-08-31T17:29:49.21 3.0 undecidable manual Sg 12.09 0
IV.FOSV.EHZ. 2023-08-31T17:29:47.12 3.0 undecidable manual Sg 7.75 0
IV.ECTS.HHZ. 2023-08-31T17:29:31.07 3.0 undecidable manual Sn 2.12 0
IV.PANTE.HHZ. 2023-08-31T17:29:30.21 3.0 undecidable manual Pg 10.4 0
CR.STON.BHZ. 2023-08-31T17:29:26.96 3.0 undecidable manual Sn 0.18 0
IV.SFI.EHZ. 2023-08-31T17:29:26.90 3.0 undecidable manual Pg 15.02 0
IV.GMB1.HHZ. 2023-08-31T17:29:25.09 3.0 undecidable manual Sg 3.04 0
HL.VLS.HHZ. 2023-08-31T17:29:24.84 3.0 undecidable manual Pn 5.07 0
IV.ARVD.HHZ. 2023-08-31T17:29:09.58 3.0 undecidable manual Pg 8.8 0
IV.RIBO.EHZ.01 2023-08-31T17:29:09.61 3.0 undecidable manual Pn 0.28 0
IV.CAMP.HHZ. 2023-08-31T17:28:55.38 3.0 undecidable manual Pg 7.96 0
IV.MSRU.HHZ. 2023-08-31T17:28:54.09 3.0 undecidable manual Pg 5.69 0
IV.MF5.EHZ. 2023-08-31T17:28:52.49 3.0 negative manual Pn 0.42 0
IT.LRNO.HNZ. 2023-08-31T17:28:47.10 3.0 undecidable manual S -0.98 0
IX.MIGL.HHZ. 2023-08-31T17:28:37.43 3.0 undecidable manual S 0
IV.CELI.HHZ. 2023-08-31T17:28:35.63 3.0 undecidable manual P -0.44 0
IV.MRVN.HHZ. 2023-08-31T17:28:33.41 0.3 undecidable manual S 59 73.5708 50 0.82 53
IX.MGR.HHZ. 2023-08-31T17:28:31.80 3.0 undecidable manual S 0
IV.MSAG.HHZ. 2023-08-31T17:28:29.63 3.0 positive manual P 0.17 0
IV.SGRT.HHZ. 2023-08-31T17:28:29.50 3.0 negative manual P -0.04 0
IV.AMUR.HHZ. 2023-08-31T17:28:26.90 3.0 positive manual P 0.16 0
IX.MIGL.HHZ. 2023-08-31T17:28:24.72 3.0 undecidable manual P 0
IX.SLCN.HHZ. 2023-08-31T17:28:23.61 3.0 undecidable manual S 0
IV.MRVN.HHZ. 2023-08-31T17:28:22.14 0.3 undecidable manual P 59 73.5708 50 -0.48 61
IV.SNAL.HHZ. 2023-08-31T17:28:21.04 0.3 undecidable manual S 319 30.4473 98 1.35 45
IX.CMP3.EHZ.02 2023-08-31T17:28:20.09 0.3 undecidable manual S 257 31.5462 98 0.03 72
IV.BULG.HHZ. 2023-08-31T17:28:20.83 3.0 undecidable manual P -2.01 0
IX.MGR.HHZ. 2023-08-31T17:28:20.43 3.0 undecidable manual P 0
IX.SIRI.HHZ. 2023-08-31T17:28:20.76 3.0 undecidable manual P 0
IV.PTRP.HHZ. 2023-08-31T17:28:19.85 0.1 undecidable manual P 112 56.1993 50 -0.09 91
IX.SRN3.HHZ.02 2023-08-31T17:28:18.91 0.6 undecidable manual S 178 25.6521 100 0.89 38
IV.MCRV.HHZ. 2023-08-31T17:28:18.05 0.3 undecidable manual S 287 24.3534 100 0.44 67
IV.PALZ.HHZ. 2023-08-31T17:28:18.34 0.3 undecidable manual P 60 50.0166 50 -0.65 60
IX.SNR3.EHZ.02 2023-08-31T17:28:17.65 0.6 undecidable manual S 276 21.3675 102 1.08 35
IV.SGO.HHZ. 2023-08-31T17:28:17.35 0.3 undecidable manual S 214 20.868 102 0.94 56
IV.ACER.HHZ. 2023-08-31T17:28:17.44 3.0 negative manual P 0.25 0
IV.CAFE.HHZ. 2023-08-31T17:28:16.44 0.3 undecidable manual P 333 38.7279 96 -0.37 67
IV.SLCN.HHZ. 2023-08-31T17:28:16.49 3.0 undecidable manual P 0.06 0
IV.VULT.HHZ. 2023-08-31T17:28:15.28 0.3 undecidable manual P 28 30.0477 98 0.19 70
IX.CMP3.EHZ.02 2023-08-31T17:28:14.75 0.1 undecidable manual P 257 31.5462 98 -0.64 83
IX.NSC3.EHZ.02 2023-08-31T17:28:14.38 0.1 undecidable manual P 298 30.747 98 -0.85 76
IV.SNAL.HHZ. 2023-08-31T17:28:14.83 0.1 undecidable manual P 319 30.4473 98 -0.35 91
IX.CSG3.HNZ.01 2023-08-31T17:28:14.15 0.6 undecidable manual S 8 11.3775 111 0.93 38
IX.SRN3.HHZ.02 2023-08-31T17:28:14.04 0.1 undecidable manual P 178 25.6521 100 -0.17 95
IX.RDM3.HHZ.02 2023-08-31T17:28:13.31 0.1 undecidable manual P 23 19.1697 103 0.36 92
IX.CGG3.HNZ.02 2023-08-31T17:28:13.63 0.3 undecidable manual P 161 20.4684 102 0.44 68
IX.COL3.HHZ.02 2023-08-31T17:28:13.12 0.3 undecidable manual S 251 10.1787 113 0.26 72
IX.CLT3.EHZ.02 2023-08-31T17:28:13.98 0.1 undecidable manual P 351 20.9679 102 0.69 83
IX.SNR3.EHZ.02 2023-08-31T17:28:13.33 0.3 undecidable manual P 276 21.3675 102 -0.04 73
IV.MCRV.HHZ. 2023-08-31T17:28:13.56 0.1 undecidable manual P 287 24.3534 100 -0.41 90
IV.SGO.HHZ. 2023-08-31T17:28:12.97 0.1 undecidable manual P 214 20.868 102 -0.31 93
IX.CSG3.HNZ.01 2023-08-31T17:28:11.47 0.1 undecidable manual P 8 11.3775 111 0.03 100
IV.MRLC.HNZ. 2023-08-31T17:28:11.57 0.3 undecidable manual S 40 5.6943 128 0.07 75
IX.SFL3.HNZ.01 2023-08-31T17:28:11.78 0.1 undecidable manual P 54 13.6752 108 -0.11 98
IX.COL3.HHZ.02 2023-08-31T17:28:11.04 0.1 undecidable manual P 251 10.1787 113 -0.19 97
IX.SCL3.EHZ.02 2023-08-31T17:28:11.84 0.6 undecidable manual S 113 6.0939 126 0.24 48
IV.MRLC.HNZ. 2023-08-31T17:28:10.27 0.1 undecidable manual P 40 5.6943 128 -0.18 98
IX.VDS3.HNZ.01 2023-08-31T17:28:10.40 0.3 undecidable manual S 330 3.0969 145 -0.47 69
IX.SCL3.EHZ.02 2023-08-31T17:28:10.40 0.1 negative manual P 113 6.0939 126 -0.1 99
IX.VDS3.HNZ.01 2023-08-31T17:28:09.65 0.1 undecidable manual P 330 3.0969 145 -0.43 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.SCL3.EHE.02 ML:0.0 0.046425444999999996 0.128 AML other m 2023-08-31T17:28:12.68
IX.SCL3.HNE.01 ML:0.0 0.045931665 0.128 AML other m 2023-08-31T17:28:12.68
IX.SCL3.HNN.01 ML:0.0 0.081928845 0.1792 AML other m 2023-08-31T17:28:12.22
IX.SCL3.EHN.02 ML:0.0 0.075271345 0.1792 AML other m 2023-08-31T17:28:12.22
IX.CSG3.HNE.01 ML:0.0 0.008419943 0.4608 AML other m 2023-08-31T17:28:14.61
IX.CSG3.HNN.01 ML:0.0 0.004767737 0.384 AML other m 2023-08-31T17:28:16.45
IV.SGO.HHE. ML:2.0 0.0007086051 0.2816 AML other m 2023-08-31T17:28:19.15
IV.SGO.HHN. ML:1.9 0.00067546295 0.1792 AML other m 2023-08-31T17:28:17.41
IX.SNR3.EHN.02 ML:0.0 0.0034007705 0.2048 AML other m 2023-08-31T17:28:18.66
IX.SRN3.HHN.02 ML:2.7 0.003125 0.32 AML other m 2023-08-31T17:28:19.51
IX.SNR3.HNN.01 ML:0.0 0.003650334 0.2048 AML other m 2023-08-31T17:28:18.66
IX.SRN3.HNN.01 ML:2.7 0.00294 0.32 AML other m 2023-08-31T17:28:19.51
IX.SRN3.HNE.01 ML:2.6 0.0026550000000000002 0.3 AML other m 2023-08-31T17:28:19.56
IX.SRN3.HHE.02 ML:2.6 0.00248 0.32 AML other m 2023-08-31T17:28:19.56
IV.MCRV.HHE. ML:2.3 0.0012669629 0.2048 AML other m 2023-08-31T17:28:19.85
IX.CMP3.EHN.02 ML:2.8 0.002745 0.22 AML other m 2023-08-31T17:28:20.68
IX.CMP3.HNN.01 ML:2.8 0.0028884160000000004 0.2304 AML other m 2023-08-31T17:28:20.68
IX.SNR3.EHE.02 ML:0.0 0.004617941500000001 0.4096 AML other m 2023-08-31T17:28:21.01
IX.SNR3.HNE.01 ML:0.0 0.0031398875 0.2688 AML other m 2023-08-31T17:28:20.05
IV.MCRV.HHN. ML:2.4 0.0017962985 0.2304 AML other m 2023-08-31T17:28:19.86
IX.CMP3.EHE.02 ML:2.6 0.0018369585000000003 0.2304 AML other m 2023-08-31T17:28:21.66
IX.CMP3.HNE.01 ML:2.6 0.0019159835 0.2432 AML other m 2023-08-31T17:28:21.66
IX.NSC3.EHE.02 ML:2.3 0.00091735085 0.192 AML other m 2023-08-31T17:28:22.73
IX.NSC3.HNE.01 ML:2.3 0.0009338531500000001 0.2176 AML other m 2023-08-31T17:28:22.62
IX.NSC3.HNN.01 ML:2.3 0.0009459999999999999 0.3 AML other m 2023-08-31T17:28:23.35
IX.NSC3.EHN.02 ML:2.3 0.0009 0.3 AML other m 2023-08-31T17:28:23.20
IV.CAFE.HNE. ML:2.1 0.0004275 0.36 AML other m 2023-08-31T17:28:26.47
IV.CAFE.HHE. ML:2.1 0.000444 0.36 AML other m 2023-08-31T17:28:26.47
IV.VULT.HHE. ML:2.0 0.0005593587 0.3456 AML other m 2023-08-31T17:28:24.59
IV.SNAL.HHN. ML:0.0 0.00043720019999999996 0.256 AML other m 2023-08-31T17:28:23.40
IV.SNAL.HHE. ML:0.0 0.00073553175 0.384 AML other m 2023-08-31T17:28:25.29
IV.VULT.HHN. ML:2.2 0.00088225765 0.3968 AML other m 2023-08-31T17:28:25.62
IV.SLCN.HHN. ML:2.4 0.001032 0.36 AML other m 2023-08-31T17:28:31.33
IV.SLCN.HHE. ML:2.6 0.001432 0.66 AML other m 2023-08-31T17:28:31.08
IV.SIRI.HHE. ML:2.2 0.00026900000000000003 0.3 AML other m 2023-08-31T17:28:32.60
IV.SIRI.HNE. ML:2.2 0.0002615 0.3 AML other m 2023-08-31T17:28:32.60
IV.CAFE.HHN. ML:1.9 0.00031888415 0.2944 AML other m 2023-08-31T17:28:25.84
IV.PALZ.HHE. ML:2.2 0.00043149999999999997 0.54 AML other m 2023-08-31T17:28:33.36
IV.PALZ.HHN. ML:2.0 0.00024084725 0.4992 AML other m 2023-08-31T17:28:33.36
IV.MRVN.HHE. ML:0.0 0.0001822082 0.4352 AML other m 2023-08-31T17:28:35.90
IV.MGR.HHN. ML:2.1 0.000231 0.44 AML other m 2023-08-31T17:28:36.08
IV.MRVN.HHN. ML:0.0 0.000129646095 0.256 AML other m 2023-08-31T17:28:36.54
IV.SIRI.HNN. ML:2.1 0.00022499999999999997 0.54 AML other m 2023-08-31T17:28:37.25
IV.SIRI.HHN. ML:2.0 0.00017753449999999998 0.1792 AML other m 2023-08-31T17:28:33.72
IV.MGR.HHE. ML:2.1 0.00021450000000000004 0.48 AML other m 2023-08-31T17:28:38.30
IV.BULG.HHE. ML:2.2 0.0002835 0.34 AML other m 2023-08-31T17:28:39.31
IV.BULG.HNE. ML:2.2 0.000275 0.34 AML other m 2023-08-31T17:28:39.31
IV.BULG.HHN. ML:2.4 0.00046673045000000004 0.3712 AML other m 2023-08-31T17:28:40.28
IV.BULG.HNN. ML:2.4 0.0004327876 0.3712 AML other m 2023-08-31T17:28:40.28
IV.MIGL.HHE. ML:2.6 0.0004615 0.48 AML other m 2023-08-31T17:28:42.48
IV.MIGL.HHN. ML:2.5 0.00040651555 0.4608 AML other m 2023-08-31T17:28:42.95
IV.SGRT.HHN. ML:2.0 0.000080862875 0.384 AML other m 2023-08-31T17:28:47.39
IV.SGRT.HHE. ML:2.1 0.00009833465 0.448 AML other m 2023-08-31T17:28:48.68
IV.SGRT.HNN. ML:2.0 0.00008112937 0.4992 AML other m 2023-08-31T17:28:50.03
IV.SGRT.HNE. ML:2.1 0.00010326387000000001 0.4352 AML other m 2023-08-31T17:28:48.92
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download