Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 21-05-2020 and time 11:52:16 (Italy) in region 6 km W Potenza (PZ)

A magnitude ML 1.9 earthquake occured in region: 6 km W Potenza (PZ), on

  • 21-05-2020 09:52:16 (UTC)
  • 21-05-2020 11:52:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6200, 15.7440 at 21 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
Potenza PZ 6 67122 67122
Pignola PZ 6 6962 74084
Tito PZ 7 7332 81416
Picerno PZ 9 5985 87401
Satriano di Lucania PZ 12 2374 89775
Ruoti PZ 12 3579 93354
Avigliano PZ 13 11577 104931
Abriola PZ 14 1531 106462
Baragiano PZ 14 2671 109133
Sasso di Castalda PZ 16 835 109968
Vaglio Basilicata PZ 16 2047 112015
Brindisi Montagna PZ 17 908 112923
Savoia di Lucania PZ 17 1127 114050
Sant'Angelo Le Fratte PZ 18 1429 115479
Calvello PZ 18 1948 117427
Brienza PZ 19 4078 121505
Pietragalla PZ 19 4160 125665
Anzi PZ 19 1696 127361
Cancellara PZ 20 1309 128670
Balvano PZ 20 1830 130500

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km W of Potenza (67122 inhabitants)
64 Km E of Battipaglia (50786 inhabitants)
72 Km W of Altamura (70396 inhabitants)
72 Km W of Matera (60436 inhabitants)
73 Km S of Cerignola (58396 inhabitants)
82 Km SW of Andria (100440 inhabitants)
83 Km E of Salerno (135261 inhabitants)
86 Km E of Avellino (54857 inhabitants)
88 Km E of Cava de' Tirreni (53659 inhabitants)
90 Km SW of Barletta (94814 inhabitants)
92 Km SW of Trani (56217 inhabitants)
94 Km SW of Bisceglie (55422 inhabitants)
95 Km S of Foggia (151991 inhabitants)
97 Km SW of Bitonto (55540 inhabitants)
97 Km SW of Molfetta (59874 inhabitants)
99 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
Bulletin
Rev1000 		ML 1.9 2020-05-21
09:52:16		 40.6195 15.7442 21 2020-11-19
12:36:47		 Bollettino Sismico Italiano INGV 79930041
Reviewed
Rev100 		ML 2.0 2020-05-21
09:52:16		 40.6213 15.7218 24 2020-05-21
10:00:25		 Sala Sismica INGV-Roma 79401061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-21 09:52:16 ± 0.1
Latitude 40.6195 ± 0.0045
Longitude 15.7442 ± 0.0071
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79930041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 604
Semi-minor axis of confidence ellipse (meter) 135
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.60884
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 79930041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-05 15:00:05

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 79401061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-21 10:00:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHN. 2020-05-21T09:52:34.10 0.6 undecidable manual S 291 51.7038 104 0.86 37
IV.SCHR.EHZ. 2020-05-21T09:52:34.26 0.6 undecidable manual S 149 54.4011 103 0.31 45
IV.SIRI.HHZ. 2020-05-21T09:52:33.24 0.6 undecidable manual S 168 49.617 104 0.53 43
IV.CMPR.HHZ. 2020-05-21T09:52:32.75 0.6 undecidable manual S 228 50.0166 104 -0.06 47
IV.PALZ.HHZ. 2020-05-21T09:52:30.27 0.6 undecidable manual S 27 40.3263 108 -0.06 49
IV.VULT.HHZ. 2020-05-21T09:52:30.03 0.6 undecidable manual S 344 38.7279 109 0.11 47
IX.COL3.HHE. 2020-05-21T09:52:29.61 0.6 undecidable manual S 282 35.6421 111 0.47 45
IV.SGTA.HNZ. 2020-05-21T09:52:28.32 0.3 undecidable manual P 331 65.3901 100 0 70
IV.CAFE.HHN. 2020-05-21T09:52:28.35 0.3 undecidable manual P 317 62.1933 101 0.52 63
IV.BULG.HHN. 2020-05-21T09:52:28.43 0.1 undecidable manual P 207 67.5768 100 -0.21 88
IV.MCEL.HHZ. 2020-05-21T09:52:28.88 0.3 undecidable manual S 171 33.0447 113 0.37 69
IV.SLCN.HHZ. 2020-05-21T09:52:27.57 0.3 undecidable manual S 200 27.1506 119 0.48 68
IV.PTRP.HHZ. 2020-05-21T09:52:27.98 0.3 undecidable manual S 112 28.8489 117 0.48 67
IV.MIGL.HHZ. 2020-05-21T09:52:27.59 0.6 undecidable manual P 91 58.6968 102 0.29 44
IX.SRN3.HHN.02 2020-05-21T09:52:27.26 0.3 undecidable manual S 239 28.2495 118 -0.1 73
IV.SNAL.HNE. 2020-05-21T09:52:27.18 0.3 undecidable manual P 307 56.2992 102 0.24 68
IV.MRVN.HHZ. 2020-05-21T09:52:27.69 0.3 undecidable manual P 38 61.8936 101 -0.1 69
IV.SCHR.EHZ. 2020-05-21T09:52:26.24 0.1 positive manual P 149 54.4011 103 -0.41 87
IV.MGR.HHZ. 2020-05-21T09:52:26.48 0.1 positive manual P 197 55.7997 102 -0.39 87
IV.MRLC.HHZ. 2020-05-21T09:52:26.56 0.6 undecidable manual S 305 26.2515 120 -0.34 47
IV.MCRV.HHN. 2020-05-21T09:52:26.08 0.3 undecidable manual P 291 51.7038 104 -0.17 69
IV.SIRI.HHZ. 2020-05-21T09:52:25.36 0.1 undecidable manual P 168 49.617 104 -0.58 83
IV.CMPR.HHZ. 2020-05-21T09:52:25.68 0.3 undecidable manual P 228 50.0166 104 -0.32 67
IX.COL3.HHE. 2020-05-21T09:52:24.25 0.6 undecidable manual P 282 35.6421 111 0.37 46
IX.STN3.HNZ.02 2020-05-21T09:52:24.79 0.6 undecidable manual S 218 12.5763 144 0.64 43
IV.PALZ.HHZ. 2020-05-21T09:52:24.38 0.1 undecidable manual P 27 40.3263 108 -0.18 95
IX.VGG3.HNZ.01 2020-05-21T09:52:24.57 0.1 positive manual P 157 34.1436 113 0.91 76
IV.VULT.HHZ. 2020-05-21T09:52:24.20 0.1 undecidable manual P 344 38.7279 109 -0.13 96
IV.SGO.HHE. 2020-05-21T09:52:23.74 0.6 undecidable manual P 260 37.3293 110 -0.39 45
IV.PTRP.HHZ. 2020-05-21T09:52:23.56 0.3 undecidable manual P 112 28.8489 117 0.63 64
IV.MCEL.HHZ. 2020-05-21T09:52:23.22 0.1 positive manual P 171 33.0447 113 -0.29 92
IV.PZUN.HNZ. 2020-05-21T09:52:23.20 0.3 undecidable manual S 61 6.0939 161 -0.13 77
IV.SLCN.HHZ. 2020-05-21T09:52:22.57 0.1 positive manual P 200 27.1506 119 -0.12 97
IX.PGN3.HHN.02 2020-05-21T09:52:22.83 0.6 undecidable manual S 140 6.8931 159 -0.58 46
IX.SRN3.HHN.02 2020-05-21T09:52:22.66 0.1 positive manual P 239 28.2495 118 -0.19 95
IV.MRLC.HHZ. 2020-05-21T09:52:22.79 0.1 undecidable manual P 305 26.2515 120 0.21 96
IV.PZUN.HNZ. 2020-05-21T09:52:20.32 0.1 undecidable manual P 61 6.0939 161 -0.2 100
IX.STN3.HNZ.02 2020-05-21T09:52:20.73 0.1 positive manual P 218 12.5763 144 -0.26 97
IX.PGN3.HHN.02 2020-05-21T09:52:20.27 0.1 negative manual P 140 6.8931 159 -0.29 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NOCI.HHN. ML:2.2 0.00014150000000000002 0.42 AML other m 2020-05-21T09:52:54.93
IV.PZUN.HNN. ML:2.5 0.0024153605000000002 0.1792 AML other m 2020-05-21T09:52:23.42
IV.PZUN.HHN. ML:2.5 0.0025973765000000004 0.1792 AML other m 2020-05-21T09:52:23.42
IV.PZUN.HHE. ML:2.5 0.002502167 0.2368 AML other m 2020-05-21T09:52:24.27
IV.PZUN.HNE. ML:2.5 0.0025878405 0.5312 AML other m 2020-05-21T09:52:24.26
IV.SLCN.HHN. ML:2.1 0.00055437945 0.32 AML other m 2020-05-21T09:52:30.49
IV.SLCN.HHE. ML:2.1 0.0006116999 0.256 AML other m 2020-05-21T09:52:30.97
IV.SLCN.HNN. ML:2.1 0.00054129875 0.3008 AML other m 2020-05-21T09:52:30.50
IV.SLCN.HNE. ML:2.1 0.0005863141 0.2496 AML other m 2020-05-21T09:52:30.97
IV.MRLC.HHN. ML:1.8 0.0003042039 0.2368 AML other m 2020-05-21T09:52:28.35
IV.MRLC.HNN. ML:1.5 0.0001449439 0.2176 AML other m 2020-05-21T09:52:28.47
IV.MRLC.HNE. ML:1.3 0.00008518930499999999 0.2624 AML other m 2020-05-21T09:52:28.77
IV.MRLC.HHE. ML:1.6 0.0001641454 0.2624 AML other m 2020-05-21T09:52:28.77
IV.MCEL.HHE. ML:1.9 0.0002780009 0.16 AML other m 2020-05-21T09:52:30.02
IV.MCEL.HNN. ML:1.7 0.00020622115000000003 0.16 AML other m 2020-05-21T09:52:29.75
IV.MCEL.HHN. ML:1.8 0.00022697784999999997 0.1792 AML other m 2020-05-21T09:52:29.75
IV.VULT.HHN. ML:1.9 0.00027132745 0.0832 AML other m 2020-05-21T09:52:31.07
IV.VULT.HNE. ML:1.9 0.00027728015 0.1408 AML other m 2020-05-21T09:52:30.52
IV.VULT.HHE. ML:2.0 0.0003086023 0.1408 AML other m 2020-05-21T09:52:30.59
IV.VULT.HNN. ML:1.9 0.0002476817 0.1024 AML other m 2020-05-21T09:52:30.88
IV.SIRI.HHN. ML:1.9 0.00018635155000000002 0.1792 AML other m 2020-05-21T09:52:33.58
IV.SIRI.HNE. ML:2.0 0.00021370069999999998 0.224 AML other m 2020-05-21T09:52:34.43
IV.SIRI.HNN. ML:1.9 0.00017776809999999998 0.1856 AML other m 2020-05-21T09:52:33.59
IV.SIRI.HHE. ML:2.0 0.00022899999999999998 1.12 AML other m 2020-05-21T09:52:34.88
IV.SCHR.EHN. ML:1.7 0.00010291849 0.16 AML other m 2020-05-21T09:52:35.26
IV.SCHR.EHE. ML:1.6 0.000086475835 0.1792 AML other m 2020-05-21T09:52:35.43
IV.MGR.HHN. ML:1.8 0.00014042868 0.1792 AML other m 2020-05-21T09:52:37.11
IV.MGR.HHE. ML:1.7 0.00010845050500000001 0.2432 AML other m 2020-05-21T09:52:37.78
IV.MRVN.HHE. ML:1.8 0.000103181925 0.1408 AML other m 2020-05-21T09:52:38.00
IV.MRVN.HHN. ML:1.8 0.00012424755 0.2048 AML other m 2020-05-21T09:52:39.34
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