Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 07-07-2023 and time 08:16:41 (Italy) in region 5 km NW Potenza (PZ)

A magnitude ML 2.3 earthquake occured in region: 5 km NW Potenza (PZ), on

  • 07-07-2023 06:16:41 (UTC)
  • 07-07-2023 08:16:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6650, 15.7540 at 23 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
Potenza PZ 5 67122 67122
Avigliano PZ 8 11577 78699
Ruoti PZ 9 3579 82278
Pignola PZ 10 6962 89240
Picerno PZ 10 5985 95225
Tito PZ 11 7332 102557
Baragiano PZ 14 2671 105228
Vaglio Basilicata PZ 14 2047 107275
Pietragalla PZ 14 4160 111435
Cancellara PZ 16 1309 112744
Satriano di Lucania PZ 17 2374 115118
Filiano PZ 17 2926 118044
Brindisi Montagna PZ 17 908 118952
Abriola PZ 18 1531 120483
Savoia di Lucania PZ 20 1127 121610

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km NW of Potenza (67122 inhabitants)
65 Km E of Battipaglia (50786 inhabitants)
68 Km S of Cerignola (58396 inhabitants)
70 Km W of Altamura (70396 inhabitants)
71 Km W of Matera (60436 inhabitants)
77 Km SW of Andria (100440 inhabitants)
84 Km E of Salerno (135261 inhabitants)
85 Km SW of Barletta (94814 inhabitants)
85 Km E of Avellino (54857 inhabitants)
88 Km SW of Trani (56217 inhabitants)
88 Km E of Cava de' Tirreni (53659 inhabitants)
90 Km SW of Bisceglie (55422 inhabitants)
91 Km S of Foggia (151991 inhabitants)
93 Km SW of Molfetta (59874 inhabitants)
93 Km SW of Bitonto (55540 inhabitants)
97 Km SE of Benevento (60091 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 2023-07-07
06:16:41		 40.6647 15.7545 23 2023-07-07
06:23:04		 Sala Sismica INGV-Roma 119036791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-07 06:16:41 ± 0.09
Latitude 40.6647 ± 0.0036
Longitude 15.7545 ± 0.0059
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119036791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 480
Semi-minor axis of confidence ellipse (meter) 27
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 265
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92630
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 32
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 88
Type of magnitude ML
Reference to an origin 119036791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-07 06:23:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NOCI.HHZ. 2023-07-07T06:17:16.30 3.0 undecidable manual S 2.63 0
IV.SPS2.HHZ. 2023-07-07T06:17:08.66 3.0 negative manual Pg 3.3 0
OT.OT14.EHZ. 2023-07-07T06:17:07.16 3.0 positive manual P 4.52 0
IV.VAGA.HHZ. 2023-07-07T06:17:07.80 3.0 negative manual Pg 3.36 0
MN.CUC.HHZ. 2023-07-07T06:17:04.54 1.0 undecidable manual S 176 74.5698 101 0.3 21
GE.MATE.HHZ. 2023-07-07T06:17:04.97 0.6 undecidable manual S 91 79.9644 100 -0.68 36
IV.SGRT.HHZ. 2023-07-07T06:17:03.11 3.0 negative manual P 2.5 0
IV.MIGL.HHZ. 2023-07-07T06:17:00.75 0.3 undecidable manual S 96 58.1973 105 0.79 56
IV.GRIS.EHZ. 2023-07-07T06:16:58.61 0.1 undecidable manual P 175 102.8193 98 -0.35 77
IV.SALB.HHZ. 2023-07-07T06:16:58.81 0.6 positive manual P 150 100.7214 98 0.18 41
IV.AMUR.HHZ. 2023-07-07T06:16:55.43 0.6 positive manual P 69 76.2681 101 0.52 40
IV.MCEL.HHZ. 2023-07-07T06:16:55.10 0.3 undecidable manual S 174 37.9287 114 0.26 68
XE.T0701.HHZ. 2023-07-07T06:16:55.23 1.0 positive manual P 158 81.252 100 -0.44 20
GE.MATE.HHZ. 2023-07-07T06:16:55.49 0.1 undecidable manual P 91 79.9644 100 0.02 87
IV.CRAC.EHZ. 2023-07-07T06:16:54.02 0.3 negative manual P 118 65.3901 103 0.75 56
IX.COL3.HHZ.02 2023-07-07T06:16:54.80 0.6 undecidable manual S 274 35.742 115 0.48 43
MN.CUC.HHZ. 2023-07-07T06:16:54.23 1.0 positive manual P 176 74.5698 101 -0.43 20
IV.VULT.HHZ. 2023-07-07T06:16:53.40 0.6 undecidable manual S 340 34.2435 117 -0.55 43
IX.SRN3.HHZ.02 2023-07-07T06:16:53.79 0.6 undecidable manual S 232 31.8459 119 0.39 44
IV.SLCN.HHZ. 2023-07-07T06:16:53.96 0.6 undecidable manual S 199 32.1456 118 0.5 43
IV.PTRP.HHZ. 2023-07-07T06:16:53.64 0.3 undecidable manual S 121 30.3474 120 0.6 63
IV.PALZ.HHZ. 2023-07-07T06:16:53.47 0.3 undecidable manual S 29 35.4423 116 -0.78 58
IV.MIGL.HHZ. 2023-07-07T06:16:52.07 1.0 undecidable manual P 96 58.1973 105 -0.12 22
IV.MGR.HHZ. 2023-07-07T06:16:52.34 1.0 undecidable manual P 196 60.8946 104 -0.25 21
IV.MRVN.HHZ. 2023-07-07T06:16:52.00 0.6 negative manual P 40 57.498 105 -0.08 45
IV.SGTA.HHZ. 2023-07-07T06:16:52.76 0.1 positive manual P 328 61.5939 104 0.07 89
IV.CAFE.HHZ. 2023-07-07T06:16:52.45 0.1 negative manual P 313 59.2962 104 0.1 89
IV.MRLC.HHZ. 2023-07-07T06:16:52.28 0.3 undecidable manual S 295 24.5532 127 0.53 63
IX.MRN3.HNZ.01 2023-07-07T06:16:51.70 0.3 undecidable manual S 185 26.6511 124 -0.5 64
IV.SIRI.HHZ. 2023-07-07T06:16:51.06 1.0 positive manual P 170 54.4011 106 -0.56 20
IV.SNAL.HHZ. 2023-07-07T06:16:51.71 0.6 undecidable manual P 302 54.2013 106 0.12 45
IV.ACER.HNZ. 2023-07-07T06:16:51.09 0.6 undecidable manual S 49 20.868 132 0.11 47
IV.MCRV.HHZ. 2023-07-07T06:16:50.89 0.1 undecidable manual P 285 51.0156 107 -0.23 88
IX.SNR3.EHZ.02 2023-07-07T06:16:50.73 0.6 positive manual P 280 47.9187 108 0.06 46
IX.STN3.HNZ.01 2023-07-07T06:16:50.06 0.3 undecidable manual S 210 17.2716 138 -0.26 70
IV.MTSN.HHZ. 2023-07-07T06:16:50.02 0.6 positive manual P 180 44.2224 110 -0.11 45
IX.COL3.HHZ.02 2023-07-07T06:16:49.09 0.1 negative manual P 274 35.742 115 0.16 92
IV.CDRU.HHZ. 2023-07-07T06:16:49.56 0.1 positive manual P 243 42.624 111 -0.34 87
IX.PGN3.HHZ.02 2023-07-07T06:16:49.08 0.3 undecidable manual S 161 10.878 151 -0.25 71
IV.PZUN.HHZ. 2023-07-07T06:16:48.41 0.3 undecidable manual S 115 4.8951 167 -0.34 70
IV.PTRP.HHZ. 2023-07-07T06:16:48.59 0.1 negative manual P 121 30.3474 120 0.4 89
IV.PALZ.HHZ. 2023-07-07T06:16:48.59 1.0 positive manual P 29 35.4423 116 -0.3 22
IV.VULT.HHZ. 2023-07-07T06:16:48.62 0.1 negative manual P 340 34.2435 117 -0.1 94
IX.SRN3.HHZ.02 2023-07-07T06:16:48.28 0.1 positive manual P 232 31.8459 119 -0.12 93
IV.MCEL.HHZ. 2023-07-07T06:16:48.94 0.1 negative manual P 174 37.9287 114 -0.29 88
IV.SLCN.HHZ. 2023-07-07T06:16:48.40 0.6 positive manual P 199 32.1456 118 -0.04 47
IV.ACER.HNZ. 2023-07-07T06:16:47.04 0.1 negative manual P 49 20.868 132 0.04 96
IV.MRLC.HHZ. 2023-07-07T06:16:47.59 0.1 negative manual P 295 24.5532 127 0.14 94
IX.MRN3.HNZ.01 2023-07-07T06:16:47.47 0.1 negative manual P 185 26.6511 124 -0.23 91
IX.SCL3.EHZ.02 2023-07-07T06:16:47.48 0.1 positive manual P 279 20.7681 132 0.49 88
IX.STN3.HNZ.01 2023-07-07T06:16:46.64 0.1 undecidable manual P 210 17.2716 138 0.02 98
IV.PZUN.HHZ. 2023-07-07T06:16:45.71 0.1 positive manual P 115 4.8951 167 0 100
IX.PGN3.HHZ.02 2023-07-07T06:16:45.78 0.1 undecidable manual P 161 10.878 151 -0.27 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PZUN.HHE. ML:2.6 0.0026 0.4 AML other m 2023-07-07T06:16:49.02
IV.PZUN.HNN. ML:2.8 0.004900000000000001 0.3 AML other m 2023-07-07T06:16:49.20
IV.PZUN.HHN. ML:2.8 0.00486 0.28 AML other m 2023-07-07T06:16:49.20
IX.PGN3.HHN.02 ML:2.6 0.00259 0.4 AML other m 2023-07-07T06:16:49.43
IX.PGN3.HNN.01 ML:2.6 0.00252 0.4 AML other m 2023-07-07T06:16:49.43
IX.PGN3.HNE.01 ML:2.5 0.002165 0.22 AML other m 2023-07-07T06:16:49.47
IX.PGN3.HHE.02 ML:2.5 0.0022299999999999998 0.22 AML other m 2023-07-07T06:16:49.48
IV.PZUN.HNE. ML:2.5 0.0022949999999999997 0.98 AML other m 2023-07-07T06:16:49.72
IV.ACER.HHN. ML:2.7 0.0023599999999999997 1.56 AML other m 2023-07-07T06:16:50.14
IV.ACER.HNN. ML:2.6 0.002225 1.56 AML other m 2023-07-07T06:16:50.14
IV.ACER.HHE. ML:2.6 0.0020350000000000004 0.52 AML other m 2023-07-07T06:16:51.28
IV.ACER.HNE. ML:2.6 0.001925 0.52 AML other m 2023-07-07T06:16:51.28
IX.MRN3.HNN.01 ML:3.1 0.005025 1.18 AML other m 2023-07-07T06:16:52.00
IX.MRN3.HNE.01 ML:3.1 0.005234999999999999 1.58 AML other m 2023-07-07T06:16:52.99
IX.SCL3.EHE.02 ML:2.4 0.0014199999999999998 0.8 AML other m 2023-07-07T06:16:52.20
IX.SCL3.HNE.01 ML:2.4 0.0013265 0.8 AML other m 2023-07-07T06:16:52.20
IV.MRLC.HHN. ML:2.3 0.0009570000000000001 0.98 AML other m 2023-07-07T06:16:53.83
IV.MRLC.HNN. ML:2.0 0.0004755 0.98 AML other m 2023-07-07T06:16:53.83
IX.SCL3.EHN.02 ML:2.7 0.002565 0.34 AML other m 2023-07-07T06:16:53.63
IX.SCL3.HNN.01 ML:2.7 0.0026 0.34 AML other m 2023-07-07T06:16:53.63
IX.SRN3.HHN.02 ML:2.4 0.0009725000000000001 1.4 AML other m 2023-07-07T06:16:53.14
IV.SLCN.HNN. ML:2.6 0.001605 1.68 AML other m 2023-07-07T06:16:53.12
IV.SLCN.HHN. ML:2.7 0.0017549999999999998 1.66 AML other m 2023-07-07T06:16:53.13
IX.SRN3.HNE.01 ML:2.4 0.0010415 1.12 AML other m 2023-07-07T06:16:54.87
IX.SRN3.HHE.02 ML:2.4 0.0009235 0.18 AML other m 2023-07-07T06:16:54.22
IV.MRLC.HNE. ML:1.7 0.00022849999999999997 0.74 AML other m 2023-07-07T06:16:54.46
IV.MRLC.HHE. ML:2.0 0.00047750000000000006 0.74 AML other m 2023-07-07T06:16:54.46
IV.VULT.HHE. ML:2.1 0.00047950000000000005 0.7 AML other m 2023-07-07T06:16:54.62
IV.VULT.HNE. ML:2.1 0.00041500000000000006 1.38 AML other m 2023-07-07T06:16:55.89
IV.MCEL.HHE. ML:2.2 0.0005475 1.34 AML other m 2023-07-07T06:16:55.29
IV.VULT.HNN. ML:2.1 0.0004605 0.24 AML other m 2023-07-07T06:16:55.24
IV.VULT.HHN. ML:2.2 0.000506 0.24 AML other m 2023-07-07T06:16:55.36
IV.PTRP.HHN. ML:2.2 0.000589 0.44 AML other m 2023-07-07T06:16:55.62
IX.COL3.HHE.02 ML:2.5 0.0009550000000000001 0.68 AML other m 2023-07-07T06:16:55.80
IV.SLCN.HHE. ML:2.8 0.002185 0.32 AML other m 2023-07-07T06:16:56.36
IV.SLCN.HNE. ML:2.8 0.00205 0.3 AML other m 2023-07-07T06:16:56.36
IV.MCEL.HNN. ML:2.6 0.001405 0.28 AML other m 2023-07-07T06:16:56.93
IV.MCEL.HHN. ML:2.2 0.0005265 0.22 AML other m 2023-07-07T06:16:57.70
IX.SRN3.HNN.01 ML:2.4 0.0009625 0.42 AML other m 2023-07-07T06:16:59.32
IV.PTRP.HHE. ML:2.3 0.0007145000000000001 0.52 AML other m 2023-07-07T06:16:59.55
IX.SNR3.EHN.02 ML:2.4 0.0006889999999999999 0.16 AML other m 2023-07-07T06:16:59.69
IV.MTSN.HHE. ML:2.2 0.000418 0.72 AML other m 2023-07-07T06:16:59.28
IX.COL3.HHN.02 ML:2.3 0.0006295 0.58 AML other m 2023-07-07T06:16:59.96
IV.CDRU.HHE. ML:2.0 0.000252 0.24 AML other m 2023-07-07T06:16:59.57
IX.SNR3.EHE.02 ML:2.2 0.000363 0.68 AML other m 2023-07-07T06:16:59.97
IV.MTSN.HNN. ML:2.4 0.0006005 0.48 AML other m 2023-07-07T06:17:00.44
IV.MTSN.HHN. ML:2.4 0.0006360000000000001 0.48 AML other m 2023-07-07T06:17:00.44
IV.MCEL.HNE. ML:2.5 0.001095 0.88 AML other m 2023-07-07T06:17:00.51
IV.MIGL.HHN. ML:3.2 0.00326 0.18 AML other m 2023-07-07T06:17:01.69
IV.SIRI.HHN. ML:2.1 0.00029200000000000005 0.22 AML other m 2023-07-07T06:17:01.66
IV.SIRI.HNN. ML:2.1 0.0002855 0.3 AML other m 2023-07-07T06:17:01.66
IV.CDRU.HHN. ML:1.8 0.000163 0.3 AML other m 2023-07-07T06:17:01.55
IV.MIGL.HHE. ML:2.6 0.0008625000000000001 0.22 AML other m 2023-07-07T06:17:01.78
IV.PALZ.HHN. ML:2.1 0.00044950000000000003 1.02 AML other m 2023-07-07T06:17:02.19
IV.MRVN.HHN. ML:2.0 0.000186 1.46 AML other m 2023-07-07T06:17:02.95
IV.PALZ.HHE. ML:2.2 0.0004755 1.18 AML other m 2023-07-07T06:17:02.69
IV.MGR.HNN. ML:2.3 0.000356 0.4 AML other m 2023-07-07T06:17:02.53
IV.MGR.HHN. ML:2.2 0.00032450000000000003 0.42 AML other m 2023-07-07T06:17:02.53
IV.MTSN.HNE. ML:2.2 0.00047250000000000005 1.02 AML other m 2023-07-07T06:17:02.87
IV.MGR.HNE. ML:2.1 0.00026000000000000003 0.46 AML other m 2023-07-07T06:17:02.87
IV.CAFE.HHE. ML:2.0 0.000183 0.34 AML other m 2023-07-07T06:17:03.43
IV.CAFE.HNE. ML:2.0 0.000186 0.34 AML other m 2023-07-07T06:17:03.43
IV.SIRI.HNE. ML:2.3 0.0004290000000000001 0.28 AML other m 2023-07-07T06:17:03.43
IV.SIRI.HHE. ML:2.3 0.000443 0.28 AML other m 2023-07-07T06:17:03.43
IV.CAFE.HHN. ML:1.8 0.00013350000000000002 0.44 AML other m 2023-07-07T06:17:04.86
IV.MGR.HHE. ML:2.1 0.00025550000000000003 0.38 AML other m 2023-07-07T06:17:05.83
IV.MRVN.HHE. ML:1.9 0.0001615 1.58 AML other m 2023-07-07T06:17:05.04
IV.AMUR.HNE. ML:2.1 0.0001835 1.16 AML other m 2023-07-07T06:17:06.28
IV.AMUR.HHN. ML:2.2 0.00020850000000000003 1.16 AML other m 2023-07-07T06:17:07.64
IV.AMUR.HNN. ML:2.1 0.000185 1.14 AML other m 2023-07-07T06:17:07.07
IV.AMUR.HHE. ML:2.1 0.0001895 0.24 AML other m 2023-07-07T06:17:07.27
IV.SGTA.HHE. ML:1.9 0.0001595 0.62 AML other m 2023-07-07T06:17:07.20
IV.CRAC.EHE. ML:2.6 0.0007210000000000001 0.2 AML other m 2023-07-07T06:17:07.95
GE.MATE.HHN. ML:2.4 0.000301 1.18 AML other m 2023-07-07T06:17:08.60
IV.SNAL.HNE. ML:2.0 0.000235 1.34 AML other m 2023-07-07T06:17:08.84
IV.SNAL.HHN. ML:1.9 0.0001555 0.46 AML other m 2023-07-07T06:17:08.84
IV.SNAL.HHE. ML:2.1 0.0002445 1.34 AML other m 2023-07-07T06:17:08.84
IV.SNAL.HNN. ML:1.9 0.000178 0.48 AML other m 2023-07-07T06:17:08.85
IV.SGTA.HHN. ML:1.7 0.0000953 0.96 AML other m 2023-07-07T06:17:08.97
IV.CAFE.HNN. ML:1.8 0.00013000000000000002 0.5 AML other m 2023-07-07T06:17:09.44
GE.MATE.HHE. ML:2.3 0.0002745 1.36 AML other m 2023-07-07T06:17:09.23
IV.CRAC.EHN. ML:2.6 0.0006395 0.26 AML other m 2023-07-07T06:17:10.46
MN.CUC.HHE. ML:2.0 0.00013350000000000002 0.72 AML other m 2023-07-07T06:17:10.71
XE.T0701.HHN. ML:1.8 0.00009120000000000001 0.38 AML other m 2023-07-07T06:17:12.57
MN.CUC.HHN. ML:2.0 0.000135 1.46 AML other m 2023-07-07T06:17:13.94
XE.T0701.HHE. ML:1.9 0.0000968 0.52 AML other m 2023-07-07T06:17:15.48
IV.SALB.HHN. ML:1.9 0.00008235000000000001 0.3 AML other m 2023-07-07T06:17:20.46
IV.SALB.HHE. ML:2.0 0.00010250000000000001 0.42 AML other m 2023-07-07T06:17:24.24
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
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