Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 21-05-2023 and time 01:06:19 (Italy) in region 2 km SE Muro Lucano (PZ)

A magnitude ML 2.1 earthquake occured in region: 2 km SE Muro Lucano (PZ), on

  • 20-05-2023 23:06:19 (UTC)
  • 21-05-2023 01:06:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7450, 15.4990 at 8 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
Muro Lucano PZ 2 5497 5497
Bella PZ 4 5171 10668
Castelgrande PZ 7 943 11611
Ricigliano SA 9 1144 12755
San Fele PZ 9 3004 15759
Balvano PZ 10 1830 17589
Baragiano PZ 11 2671 20260
Rapone PZ 11 990 21250
Ruvo del Monte PZ 12 1083 22333
San Gregorio Magno SA 13 4286 26619
Pescopagano PZ 13 1910 28529
Romagnano al Monte SA 14 368 28897
Ruoti PZ 15 3579 32476
Sant'Andrea di Conza AV 15 1539 34015
Vietri di Potenza PZ 16 2832 36847
Santomenna SA 17 443 37290
Picerno PZ 17 5985 43275
Buccino SA 17 5047 48322
Laviano SA 17 1438 49760
Castelnuovo di Conza SA 17 619 50379
Salvitelle SA 17 560 50939
Colliano SA 18 3638 54577
Calitri AV 18 4666 59243
Conza della Campania AV 19 1373 60616
Avigliano PZ 19 11577 72193
Filiano PZ 19 2926 75119
Valva SA 19 1643 76762
Atella PZ 20 3827 80589
Caggiano SA 20 2765 83354
Palomonte SA 20 3985 87339
Savoia di Lucania PZ 20 1127 88466

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of Potenza (67122 inhabitants)
46 Km E of Battipaglia (50786 inhabitants)
62 Km E of Avellino (54857 inhabitants)
63 Km E of Salerno (135261 inhabitants)
67 Km E of Cava de' Tirreni (53659 inhabitants)
67 Km SW of Cerignola (58396 inhabitants)
74 Km SE of Benevento (60091 inhabitants)
80 Km S of Foggia (151991 inhabitants)
82 Km E of Scafati (50787 inhabitants)
86 Km SW of Andria (100440 inhabitants)
86 Km E of Castellammare di Stabia (66466 inhabitants)
89 Km W of Altamura (70396 inhabitants)
91 Km SW of Barletta (94814 inhabitants)
93 Km W of Matera (60436 inhabitants)
96 Km E of Torre del Greco (86275 inhabitants)
97 Km E of Portici (55274 inhabitants)
97 Km SW of Trani (56217 inhabitants)
97 Km E of Ercolano (53709 inhabitants)
97 Km E of Acerra (59573 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 2.1 2023-05-20
23:06:19		 40.7453 15.4992 8 2024-09-10
16:44:10		 Bollettino Sismico Italiano INGV 118928631
Reviewed
Rev100 		ML 2.0 2023-05-20
23:06:19		 40.7318 15.4852 5 2023-05-20
23:16:01		 Sala Sismica INGV-Roma 117534031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-20 23:06:19 ± 0.06
Latitude 40.7453 ± 0.0036
Longitude 15.4992 ± 0.0059
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118928631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 508
Semi-minor axis of confidence ellipse (meter) 394
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 280
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 41
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.01349
Epicentral distance of station farthest from the epicenter (degree) 1.19070
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 58
Type of magnitude ML
Reference to an origin 118928631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-03-13 16:15:25

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 54
Type of magnitude ML
Reference to an origin 117534031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-20 23:16:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT07.EHE. 2023-05-20T23:06:49.72 0.6 undecidable manual S 11 98.9232 50 0.78 34
OT.OT14.EHZ. 2023-05-20T23:06:41.55 0.3 undecidable manual P 15 132.1677 50 0.01 60
IV.SGRT.HHZ. 2023-05-20T23:06:38.57 0.3 undecidable manual P 10 113.7972 50 -0.14 60
IV.APRC.HHZ. 2023-05-20T23:06:38.49 0.3 undecidable manual P 2 112.2987 50 0.01 62
OT.OT12.EHZ. 2023-05-20T23:06:37.10 0.3 undecidable manual P 19 104.118 50 -0.11 62
IV.CMPR.HHZ. 2023-05-20T23:06:36.17 0.6 undecidable manual S 199 50.2164 50 0.23 45
IV.AMUR.HHZ. 2023-05-20T23:06:36.24 0.3 undecidable manual P 79 94.4388 50 0.51 58
OT.OT05.EHZ. 2023-05-20T23:06:36.40 0.3 undecidable manual P 5 101.7204 50 -0.45 58
OT.OT07.EHE. 2023-05-20T23:06:35.95 0.3 undecidable manual P 11 98.9232 50 -0.46 58
IV.PALZ.HHZ. 2023-05-20T23:06:34.41 0.6 undecidable manual S 60 44.5221 50 -0.02 47
IV.ACER.HHZ. 2023-05-20T23:06:33.10 0.6 undecidable manual S 83 37.5291 50 0.54 42
IV.CAFE.HHZ. 2023-05-20T23:06:33.74 0.6 undecidable manual S 325 38.3283 50 0.97 35
IV.MIGL.HHZ. 2023-05-20T23:06:33.74 0.3 undecidable manual P 101 80.7636 50 0.13 65
IV.MGR.HHZ. 2023-05-20T23:06:31.12 0.3 undecidable manual P 176 67.5768 50 -0.47 62
IV.SNAL.HHZ. 2023-05-20T23:06:31.59 0.6 undecidable manual S 309 31.4463 103 1.07 34
IV.CDRU.HHZ. 2023-05-20T23:06:30.89 0.6 undecidable manual S 210 32.745 103 -0.06 48
IV.MCEL.HHZ. 2023-05-20T23:06:29.42 0.6 undecidable manual P 151 53.2023 50 0.06 46
IV.PTRP.HHZ. 2023-05-20T23:06:29.83 0.6 undecidable manual P 118 53.4021 50 0.42 43
IX.SNR3.EHZ.02 2023-05-20T23:06:29.00 0.6 undecidable manual S 268 25.752 106 0.4 45
IV.CMPR.HHZ. 2023-05-20T23:06:28.20 0.3 undecidable manual P 199 50.2164 50 -0.7 58
IV.VULT.HHZ. 2023-05-20T23:06:28.53 0.6 undecidable manual S 23 25.2525 107 0.11 48
IV.SGO.HHZ. 2023-05-20T23:06:28.91 0.6 undecidable manual S 218 26.0517 106 0.19 47
IV.SLCN.HHZ. 2023-05-20T23:06:27.61 0.6 undecidable manual P 164 41.0256 50 0.12 46
IV.SGTA.HHZ. 2023-05-20T23:06:27.71 0.3 undecidable manual P 345 44.622 50 -0.34 66
IX.CLT3.EHZ.02 2023-05-20T23:06:27.41 0.6 undecidable manual S 336 19.1697 111 0.96 37
IV.PALZ.HHZ. 2023-05-20T23:06:27.03 0.3 undecidable manual P 60 44.5221 50 -1 52
IV.ACER.HHZ. 2023-05-20T23:06:26.75 0.3 undecidable manual P 83 37.5291 50 -0.2 69
IV.CAFE.HHZ. 2023-05-20T23:06:26.75 0.3 undecidable manual P 325 38.3283 50 -0.32 67
IV.SNAL.HHZ. 2023-05-20T23:06:25.36 0.1 undecidable manual P 309 31.4463 103 -0.41 89
IX.SRN3.HHZ.02 2023-05-20T23:06:25.84 0.1 undecidable manual P 187 28.9488 104 0.56 85
IV.PZUN.HNZ. 2023-05-20T23:06:25.90 0.6 undecidable manual P 113 28.1496 105 0.77 39
IV.CDRU.HHZ. 2023-05-20T23:06:25.59 0.3 undecidable manual P 210 32.745 103 -0.43 66
IV.SGO.HHZ. 2023-05-20T23:06:24.55 0.1 undecidable manual P 218 26.0517 106 -0.18 94
IX.SNR3.EHZ.02 2023-05-20T23:06:24.49 0.3 undecidable manual P 268 25.752 106 -0.17 71
IV.VULT.HHZ. 2023-05-20T23:06:24.59 0.1 undecidable manual P 23 25.2525 107 0.03 97
IX.SFL3.HNZ. 2023-05-20T23:06:23.05 0.6 undecidable manual S 54 8.1807 132 -0.1 49
IX.CLT3.EHZ.02 2023-05-20T23:06:23.79 0.1 undecidable manual P 336 19.1697 111 0.37 91
IX.COL3.HHZ.02 2023-05-20T23:06:23.00 0.6 undecidable manual P 246 15.5733 116 0.25 47
IX.VDS3.HNN. 2023-05-20T23:06:22.71 0.6 undecidable manual S 265 6.0939 141 0.07 50
IX.SCL3.EHZ.02 2023-05-20T23:06:22.94 0.3 undecidable manual S 170 5.6943 143 0.39 70
IX.BEL3.HNE.01 2023-05-20T23:06:22.56 0.3 undecidable manual P 106 12.0768 122 0.43 69
IX.SFL3.HNZ. 2023-05-20T23:06:21.24 0.1 undecidable manual P 54 8.1807 132 -0.27 95
IX.VDS3.HNN. 2023-05-20T23:06:21.17 0.1 undecidable manual P 265 6.0939 141 -0.05 100
IX.SCL3.EHZ.02 2023-05-20T23:06:21.31 0.1 undecidable manual P 170 5.6943 143 0.14 98
IV.MRLC.HHZ. 2023-05-20T23:06:21.36 0.1 undecidable manual S 325 1.4985 169 -0.58 89
IV.MRLC.HHZ. 2023-05-20T23:06:20.45 0.1 undecidable manual P 325 1.4985 169 -0.37 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.SNR3.EHE.02 ML:2.3 0.001127 0.54 AML other m 2023-05-20T23:06:30.05
IX.SNR3.HNE.01 ML:2.3 0.0012575000000000002 0.54 AML other m 2023-05-20T23:06:30.05
IX.SNR3.EHN.02 ML:2.5 0.00177 0.54 AML other m 2023-05-20T23:06:30.33
IX.SNR3.HNN.01 ML:2.5 0.0019 0.54 AML other m 2023-05-20T23:06:30.33
IV.CDRU.HHN. ML:1.9 0.000367 0.28 AML other m 2023-05-20T23:06:31.48
IV.CDRU.HNN. ML:1.9 0.000376 0.26 AML other m 2023-05-20T23:06:31.62
IX.CLT3.HNE.01 ML:2.4 0.0019649999999999997 0.3 AML other m 2023-05-20T23:06:31.76
IX.CLT3.EHE.02 ML:2.4 0.0019450000000000001 0.32 AML other m 2023-05-20T23:06:31.76
IX.SRN3.HHE.02 ML:2.2 0.0007905 0.28 AML other m 2023-05-20T23:06:32.31
IV.SGO.HHN. ML:1.9 0.000486 1.08 AML other m 2023-05-20T23:06:32.39
IX.CLT3.EHN.02 ML:2.5 0.002645 0.32 AML other m 2023-05-20T23:06:32.30
IX.CLT3.HNN.01 ML:2.5 0.002485 0.34 AML other m 2023-05-20T23:06:32.30
IV.SGO.HHE. ML:1.9 0.00045850000000000003 0.84 AML other m 2023-05-20T23:06:32.36
IX.SRN3.HNE.01 ML:2.2 0.0007965 0.6 AML other m 2023-05-20T23:06:33.50
IV.ACER.HNN. ML:2.1 0.000512 0.6 AML other m 2023-05-20T23:06:33.57
IV.ACER.HHN. ML:2.1 0.0005365 0.62 AML other m 2023-05-20T23:06:33.57
IV.VULT.HHE. ML:2.2 0.0009229999999999999 0.68 AML other m 2023-05-20T23:06:34.05
IV.VULT.HNE. ML:2.2 0.0009 0.68 AML other m 2023-05-20T23:06:34.06
IV.CDRU.HHE. ML:2.0 0.0004755 0.2 AML other m 2023-05-20T23:06:35.20
IV.CDRU.HNE. ML:2.0 0.000438 0.18 AML other m 2023-05-20T23:06:35.11
IX.SRN3.HHN.02 ML:2.2 0.000876 0.78 AML other m 2023-05-20T23:06:35.29
IX.SRN3.HNN.01 ML:2.2 0.0008300000000000001 0.78 AML other m 2023-05-20T23:06:35.68
IV.CAFE.HHN. ML:1.9 0.00028149999999999996 0.36 AML other m 2023-05-20T23:06:35.57
IV.VULT.HHN. ML:2.4 0.0016749999999999998 1.08 AML other m 2023-05-20T23:06:36.02
IV.VULT.HNN. ML:2.4 0.00171 1.06 AML other m 2023-05-20T23:06:36.03
IV.CAFE.HNN. ML:1.9 0.0002655 0.52 AML other m 2023-05-20T23:06:36.57
IV.ACER.HNE. ML:2.1 0.00044050000000000003 0.3 AML other m 2023-05-20T23:06:36.95
IV.SGTA.HHE. ML:1.8 0.00020500000000000002 0.4 AML other m 2023-05-20T23:06:37.35
IV.SLCN.HNN. ML:2.1 0.0004335 1.16 AML other m 2023-05-20T23:06:37.00
IV.ACER.HHE. ML:2.1 0.00045699999999999994 0.74 AML other m 2023-05-20T23:06:37.95
IV.CAFE.HHE. ML:2.2 0.0005965 1.26 AML other m 2023-05-20T23:06:37.80
IV.CAFE.HNE. ML:2.2 0.0005795 1.26 AML other m 2023-05-20T23:06:37.80
IV.CMPR.HHN. ML:1.7 0.000122 1.56 AML other m 2023-05-20T23:06:38.85
IV.SNAL.HNE. ML:1.9 0.0003655 0.64 AML other m 2023-05-20T23:06:38.26
IV.SNAL.HHE. ML:1.9 0.00039200000000000004 0.64 AML other m 2023-05-20T23:06:38.26
IV.SGTA.HHN. ML:1.7 0.000162 0.42 AML other m 2023-05-20T23:06:40.27
IV.SNAL.HHN. ML:2.0 0.0004415 0.72 AML other m 2023-05-20T23:06:40.58
IV.CMPR.HHE. ML:1.9 0.0001975 0.42 AML other m 2023-05-20T23:06:41.28
IV.SNAL.HNN. ML:2.0 0.000426 0.44 AML other m 2023-05-20T23:06:41.94
IV.MCEL.HNE. ML:2.1 0.0002965 1.06 AML other m 2023-05-20T23:06:43.83
IV.SLCN.HHE. ML:2.2 0.000575 0.36 AML other m 2023-05-20T23:06:43.45
IV.SLCN.HNE. ML:2.2 0.000528 0.36 AML other m 2023-05-20T23:06:43.45
IV.MGR.HHE. ML:1.8 0.000105 1.4 AML other m 2023-05-20T23:06:43.88
IV.MGR.HHN. ML:1.7 0.00009445 0.54 AML other m 2023-05-20T23:06:44.89
IV.PTRP.HHE. ML:1.7 0.00011999999999999999 0.42 AML other m 2023-05-20T23:06:45.38
IV.SLCN.HHN. ML:2.1 0.00039400000000000004 0.44 AML other m 2023-05-20T23:06:46.36
IV.MCEL.HHN. ML:1.7 0.000131 0.5 AML other m 2023-05-20T23:06:47.67
IV.MCEL.HHE. ML:1.8 0.0001545 1.28 AML other m 2023-05-20T23:06:47.28
IV.PALZ.HHN. ML:1.9 0.00022799999999999999 1.58 AML other m 2023-05-20T23:06:48.09
IV.MCEL.HNN. ML:2.0 0.0002765 0.8 AML other m 2023-05-20T23:06:48.31
IV.PALZ.HHE. ML:2.0 0.00027800000000000004 1.3 AML other m 2023-05-20T23:06:50.15
IV.PTRP.HHN. ML:1.7 0.0001315 0.58 AML other m 2023-05-20T23:06:51.02
IV.AMUR.HHN. ML:1.7 0.000051768035000000006 0.3328 AML other m 2023-05-20T23:06:53.13
IV.SGRT.HHN. ML:2.2 0.0001375 0.62 AML other m 2023-05-20T23:06:56.41
IV.APRC.HHE. ML:2.2 0.000142 1.54 AML other m 2023-05-20T23:06:56.94
IV.APRC.HHN. ML:2.3 0.000156 1.36 AML other m 2023-05-20T23:06:57.20
IV.AMUR.HHE. ML:1.6 0.00004509826 0.3072 AML other m 2023-05-20T23:06:58.29
IV.SGRT.HHE. ML:2.1 0.0001028 1.4 AML other m 2023-05-20T23:06:59.23
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
Waveforms Seismic signals in miniseed + resp format Download