Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 28-04-2023 and time 04:18:55 (Italy) in region 3 km SW Satriano di Lucania (PZ)

A magnitude ML 1.8 earthquake occured in region: 3 km SW Satriano di Lucania (PZ), on

  • 28-04-2023 02:18:55 (UTC)
  • 28-04-2023 04:18:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.5170, 15.6210 at 18 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
Satriano di Lucania PZ 4 2374 2374
Brienza PZ 4 4078 6452
Sasso di Castalda PZ 6 835 7287
Sant'Angelo Le Fratte PZ 6 1429 8716
Savoia di Lucania PZ 8 1127 9843
Atena Lucana SA 9 2336 12179
Tito PZ 9 7332 19511
Polla SA 11 5279 24790
Caggiano SA 12 2765 27555
Sant'Arsenio SA 12 2815 30370
Sala Consilina SA 13 12664 43034
San Pietro al Tanagro SA 13 1695 44729
Vietri di Potenza PZ 13 2832 47561
Picerno PZ 14 5985 53546
Marsico Nuovo PZ 15 4098 57644
Pertosa SA 15 690 58334
Pignola PZ 15 6962 65296
Salvitelle SA 16 560 65856
Abriola PZ 16 1531 67387
San Rufo SA 16 1754 69141
Teggiano SA 17 7976 77117
Auletta SA 17 2336 79453
Balvano PZ 18 1830 81283
Paterno PZ 18 3368 84651
Baragiano PZ 18 2671 87322
Calvello PZ 20 1948 89270
Padula SA 20 5368 94638
Sassano SA 20 5013 99651

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km SW of Potenza (67122 inhabitants)
55 Km E of Battipaglia (50786 inhabitants)
75 Km E of Salerno (135261 inhabitants)
80 Km E of Cava de' Tirreni (53659 inhabitants)
82 Km SE of Avellino (54857 inhabitants)
84 Km W of Matera (60436 inhabitants)
86 Km W of Altamura (70396 inhabitants)
87 Km S of Cerignola (58396 inhabitants)
96 Km E of Scafati (50787 inhabitants)
97 Km SW of Andria (100440 inhabitants)
98 Km SE of Benevento (60091 inhabitants)
98 Km E of Castellammare di Stabia (66466 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 1.8 2023-04-28
02:18:55		 40.5172 15.6212 18 2024-03-01
17:18:07		 Bollettino Sismico Italiano INGV 117246381
Reviewed
Rev100 		ML 1.7 2023-04-28
02:18:56		 40.5087 15.6217 14 2023-04-28
02:23:43		 Sala Sismica INGV-Roma 116816361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-28 02:18:55 ± 0.08
Latitude 40.5172 ± 0.0027
Longitude 15.6212 ± 0.0047
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117246381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 26
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
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 50
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.02608
Epicentral distance of station farthest from the epicenter (degree) 0.62863
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 117246381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-11 12:35:19

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 116816361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-28 02:23:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ACER.HHZ. 2023-04-28T02:19:09.50 0.6 undecidable manual S 42 40.3263 104 0.12 47
IV.CMPR.HHZ. 2023-04-28T02:19:08.20 0.3 undecidable manual S 231 34.743 108 0.24 70
IV.MIGL.HHZ. 2023-04-28T02:19:08.24 1.0 negative manual P 82 69.7746 97 0.09 22
IX.SFL3.HNZ. 2023-04-28T02:19:07.13 0.3 undecidable manual S 353 30.3474 111 0.29 69
IX.VGG3.HNZ. 2023-04-28T02:19:07.15 0.6 undecidable manual S 130 31.0467 110 0.14 48
IV.MTSN.HHZ. 2023-04-28T02:19:07.16 0.3 undecidable manual S 158 29.9478 111 0.43 68
IX.COL3.HHE. 2023-04-28T02:19:06.88 0.6 undecidable manual S 308 30.9468 110 -0.09 48
IV.MRLC.HHZ. 2023-04-28T02:19:06.53 0.3 undecidable manual S 337 28.749 112 0.08 73
IV.MCEL.HHZ. 2023-04-28T02:19:06.15 0.3 undecidable manual S 144 26.2515 115 0.32 70
IV.SNAL.HHZ. 2023-04-28T02:19:06.42 1.0 negative manual P 323 56.9985 99 0.22 22
IV.CDRU.HHZ. 2023-04-28T02:19:05.85 0.6 undecidable manual S 264 26.8509 114 -0.13 48
IV.SCHR.EHZ. 2023-04-28T02:19:05.03 0.1 undecidable manual P 132 52.2033 100 -0.44 86
IV.PALZ.HHZ. 2023-04-28T02:19:05.40 0.1 undecidable manual P 31 55.3002 100 -0.54 85
IV.SGO.HHZ. 2023-04-28T02:19:05.97 0.3 undecidable manual S 280 26.8509 114 -0.01 74
IV.BULG.HHZ. 2023-04-28T02:19:05.91 1.0 positive manual P 203 52.9026 100 0.34 22
IV.MCRV.HHZ. 2023-04-28T02:19:05.15 0.6 positive manual P 308 48.1185 102 0.29 45
IV.VULT.HHZ. 2023-04-28T02:19:04.74 0.1 undecidable manual P 360 48.5181 101 -0.18 92
IV.MGR.HHZ. 2023-04-28T02:19:04.07 0.1 undecidable manual P 188 42.5241 104 0.06 96
IX.SNR3.EHZ.02 2023-04-28T02:19:03.83 0.1 undecidable manual P 304 43.4232 103 -0.32 90
IX.RDM3.HHZ.02 2023-04-28T02:19:03.93 0.1 undecidable manual P 350 40.4262 104 0.24 92
IT.SLC1.HGN. 2023-04-28T02:19:03.47 0.3 undecidable manual S 189 13.6752 137 0.38 71
IV.PTRP.HHZ. 2023-04-28T02:19:03.52 0.1 undecidable manual P 89 37.1295 106 0.31 91
IX.SRN3.HHZ.02 2023-04-28T02:19:03.35 0.3 undecidable manual S 256 14.1747 136 0.17 74
IV.ACER.HHZ. 2023-04-28T02:19:03.39 0.3 undecidable manual P 42 40.3263 104 -0.29 69
IX.PGN3.HHZ.02 2023-04-28T02:19:03.71 0.3 undecidable manual S 68 15.9729 131 0.18 73
IV.SIRI.HHZ. 2023-04-28T02:19:03.65 0.1 undecidable manual P 151 42.624 103 -0.38 89
IX.TEGI.HNN.01 2023-04-28T02:19:03.91 0.3 undecidable manual S 205 16.872 130 0.22 73
IX.VGG3.HNZ. 2023-04-28T02:19:02.08 0.1 undecidable manual P 130 31.0467 110 -0.23 94
IV.MTSN.HHZ. 2023-04-28T02:19:02.22 0.3 undecidable manual P 158 29.9478 111 0.06 73
IX.MRN3.HNZ.01 2023-04-28T02:19:02.69 0.3 undecidable manual S 138 13.6752 137 -0.39 70
IV.CMPR.HHZ. 2023-04-28T02:19:02.70 0.1 undecidable manual P 231 34.743 108 -0.16 94
IX.SFL3.HNZ. 2023-04-28T02:19:02.70 0.1 undecidable manual P 353 30.3474 111 0.48 89
IX.AVG3.HNE. 2023-04-28T02:19:02.20 0.1 undecidable manual P 18 28.5492 113 0.25 94
IV.MRLC.HHZ. 2023-04-28T02:19:02.15 0.1 undecidable manual P 337 28.749 112 0.16 95
IV.PZUN.HHZ. 2023-04-28T02:19:01.37 0.1 undecidable manual P 48 21.1677 122 0.42 91
IX.STN3.HNZ.02 2023-04-28T02:19:01.02 0.3 undecidable manual S 61 2.8971 169 -0.73 64
IV.MCEL.HHZ. 2023-04-28T02:19:01.39 0.6 negative manual P 144 26.2515 115 -0.24 47
IX.BEL3.HNE.01 2023-04-28T02:19:01.27 0.3 undecidable manual P 3 21.9669 121 0.21 72
IV.CDRU.HHZ. 2023-04-28T02:19:01.68 0.3 positive manual P 264 26.8509 114 -0.05 73
IV.SGO.HHZ. 2023-04-28T02:19:01.81 0.3 negative manual P 280 26.8509 114 0.08 73
IX.COL3.HHE. 2023-04-28T02:19:01.99 0.1 undecidable manual P 308 30.9468 110 -0.31 92
IX.VDS3.HNN. 2023-04-28T02:19:01.98 0.1 undecidable manual P 327 29.748 111 -0.14 96
IX.SRN3.HHZ.02 2023-04-28T02:19:00.22 0.1 positive manual P 256 14.1747 136 0.12 99
IX.PGN3.HHZ.02 2023-04-28T02:19:00.40 0.1 undecidable manual P 68 15.9729 131 0.09 99
IX.TEGI.HNN.01 2023-04-28T02:19:00.47 0.1 undecidable manual P 205 16.872 130 0.07 100
IX.SCL3.EHZ.02 2023-04-28T02:19:00.81 0.1 undecidable manual P 335 21.7671 121 -0.22 96
IT.SLC1.HGN. 2023-04-28T02:19:00.35 0.1 undecidable manual P 189 13.6752 137 0.3 96
IX.VDP3.HNE.01 2023-04-28T02:18:59.60 0.1 undecidable manual P 337 10.5783 145 -0.15 99
IX.MRN3.HNZ.01 2023-04-28T02:18:59.83 0.1 undecidable manual P 138 13.6752 137 -0.22 97
IX.STN3.HNZ.02 2023-04-28T02:18:58.87 0.1 undecidable manual P 61 2.8971 169 -0.41 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.SRN3.HHN.02 ML:2.5 0.0022350000000000004 0.7 AML other m 2023-04-28T02:19:03.92
IX.SRN3.HNN.01 ML:2.5 0.0021000000000000003 0.7 AML other m 2023-04-28T02:19:03.92
IX.PGN3.HHN.02 ML:2.0 0.00073 1.54 AML other m 2023-04-28T02:19:04.20
IX.SRN3.HHE.02 ML:2.3 0.0014399999999999999 0.32 AML other m 2023-04-28T02:19:04.76
IX.SRN3.HNE.01 ML:2.3 0.0015300000000000001 0.3 AML other m 2023-04-28T02:19:04.76
IX.PGN3.HNN.01 ML:2.0 0.0007019999999999999 0.44 AML other m 2023-04-28T02:19:04.75
IX.PGN3.HNE.01 ML:2.2 0.0010550000000000002 0.18 AML other m 2023-04-28T02:19:04.79
IX.PGN3.HHE.02 ML:2.2 0.001042 0.2 AML other m 2023-04-28T02:19:04.70
IV.CDRU.HNE. ML:2.0 0.0005265 0.34 AML other m 2023-04-28T02:19:06.55
IV.CDRU.HHE. ML:2.1 0.0005740000000000001 0.34 AML other m 2023-04-28T02:19:06.38
IX.SCL3.EHE.02 ML:1.7 0.00027100000000000003 0.14 AML other m 2023-04-28T02:19:06.32
IV.SGO.HHE. ML:2.0 0.0004380000000000001 0.14 AML other m 2023-04-28T02:19:06.51
IV.CDRU.HNN. ML:1.9 0.0003935 0.68 AML other m 2023-04-28T02:19:06.11
IV.CDRU.HHN. ML:1.9 0.00041099999999999996 0.7 AML other m 2023-04-28T02:19:06.11
IV.SGO.HHN. ML:2.1 0.0006215 0.52 AML other m 2023-04-28T02:19:07.19
IX.SCL3.EHN.02 ML:1.9 0.000438 0.16 AML other m 2023-04-28T02:19:07.75
IV.MTSN.HHE. ML:1.7 0.00023300000000000003 0.32 AML other m 2023-04-28T02:19:08.13
IV.MCEL.HHN. ML:1.6 0.00019 0.4 AML other m 2023-04-28T02:19:08.54
IV.MTSN.HNE. ML:1.8 0.0002455 0.52 AML other m 2023-04-28T02:19:08.60
IV.CMPR.HHE. ML:1.5 0.00011499999999999999 1.54 AML other m 2023-04-28T02:19:09.84
IV.MCEL.HNN. ML:2.1 0.000638 1.02 AML other m 2023-04-28T02:19:09.61
IV.MTSN.HHN. ML:2.0 0.00039400000000000004 0.2 AML other m 2023-04-28T02:19:09.61
IV.MTSN.HNN. ML:1.9 0.00035999999999999997 0.2 AML other m 2023-04-28T02:19:09.61
IV.MCEL.HHE. ML:1.7 0.0002585 0.42 AML other m 2023-04-28T02:19:09.69
IV.MRLC.HHN. ML:1.4 0.00010005 0.94 AML other m 2023-04-28T02:19:10.05
IV.CMPR.HHN. ML:1.3 0.0000817 0.54 AML other m 2023-04-28T02:19:10.08
IV.ACER.HHN. ML:1.7 0.00016049999999999997 1.48 AML other m 2023-04-28T02:19:10.91
IV.ACER.HNN. ML:1.7 0.0001555 0.64 AML other m 2023-04-28T02:19:10.49
IV.MGR.HHN. ML:1.8 0.00016849999999999998 1.8 AML other m 2023-04-28T02:19:10.97
IV.ACER.HNE. ML:1.7 0.0001535 0.38 AML other m 2023-04-28T02:19:10.99
IV.ACER.HHE. ML:1.7 0.000165 0.38 AML other m 2023-04-28T02:19:10.99
IV.MCEL.HNE. ML:2.2 0.0007835000000000001 1.38 AML other m 2023-04-28T02:19:11.92
IV.SIRI.HHE. ML:2.0 0.00028000000000000003 0.22 AML other m 2023-04-28T02:19:11.34
IV.SIRI.HNE. ML:2.0 0.00027400000000000005 0.2 AML other m 2023-04-28T02:19:11.35
IV.SIRI.HNN. ML:1.8 0.0002075 0.22 AML other m 2023-04-28T02:19:11.49
IV.SIRI.HHN. ML:1.9 0.0002175 0.22 AML other m 2023-04-28T02:19:11.49
IV.VULT.HHE. ML:1.5 0.00008135000000000001 0.36 AML other m 2023-04-28T02:19:12.21
IV.PTRP.HHN. ML:1.3 0.00007245 0.86 AML other m 2023-04-28T02:19:12.12
IV.VULT.HHN. ML:1.6 0.0000882 0.68 AML other m 2023-04-28T02:19:12.92
IX.SNR3.EHN.02 ML:1.8 0.0001815 0.26 AML other m 2023-04-28T02:19:12.72
IV.MGR.HHE. ML:1.5 0.00009934999999999999 0.6 AML other m 2023-04-28T02:19:12.97
IV.MRLC.HHE. ML:1.2 0.00007395000000000001 1.74 AML other m 2023-04-28T02:19:13.02
IV.SCHR.EHE. ML:1.3 0.00004515 0.6 AML other m 2023-04-28T02:19:13.81
IV.MCRV.HHE. ML:1.4 0.00006915 0.2 AML other m 2023-04-28T02:19:14.37
IV.SCHR.EHN. ML:1.3 0.0000486 0.62 AML other m 2023-04-28T02:19:14.27
IV.PTRP.HHE. ML:1.3 0.00007694999999999999 0.52 AML other m 2023-04-28T02:19:14.46
IX.SNR3.EHE.02 ML:1.6 0.00011095000000000001 0.3 AML other m 2023-04-28T02:19:15.35
IV.MCRV.HHN. ML:1.6 0.00009255 0.16 AML other m 2023-04-28T02:19:16.47
IV.BULG.HHE. ML:1.4 0.000060150000000000005 0.6 AML other m 2023-04-28T02:19:16.95
IV.MIGL.HHN. ML:2.2 0.00025550000000000003 1.36 AML other m 2023-04-28T02:19:21.69
IV.MIGL.HHE. ML:2.1 0.00019250000000000002 1.18 AML other m 2023-04-28T02:19:22.03
IV.BULG.HHN. ML:1.7 0.0001043 0.44 AML other m 2023-04-28T02:19:22.64
IV.AMUR.HHN. ML:1.6 0.0000427 0.52 AML other m 2023-04-28T02:19:37.74
IV.AMUR.HHE. ML:1.6 0.00004675 0.28 AML other m 2023-04-28T02:19:38.62
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