Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 29-08-2021 and time 22:32:03 (Italy) in region 7 km SW Castelgrande (PZ)

A magnitude ML 2.3 earthquake occured in region: 7 km SW Castelgrande (PZ), on

  • 29-08-2021 20:32:03 (UTC)
  • 29-08-2021 22:32:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7250, 15.3990 at 7 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
Castelgrande PZ 7 943 943
San Gregorio Magno SA 8 4286 5229
Muro Lucano PZ 8 5497 10726
Colliano SA 9 3638 14364
Ricigliano SA 10 1144 15508
Laviano SA 10 1438 16946
Buccino SA 11 5047 21993
Valva SA 11 1643 23636
Romagnano al Monte SA 11 368 24004
Santomenna SA 11 443 24447
Palomonte SA 11 3985 28432
Castelnuovo di Conza SA 12 619 29051
Bella PZ 12 5171 34222
Pescopagano PZ 12 1910 36132
Balvano PZ 13 1830 37962
Sant'Andrea di Conza AV 14 1539 39501
Oliveto Citra SA 14 3802 43303
Contursi Terme SA 16 3394 46697
Conza della Campania AV 16 1373 48070
Salvitelle SA 16 560 48630
San Fele PZ 16 3004 51634
Rapone PZ 16 990 52624
Calabritto AV 16 2391 55015
Senerchia AV 16 842 55857
Vietri di Potenza PZ 17 2832 58689
Baragiano PZ 17 2671 61360
Caposele AV 18 3483 64843
Ruvo del Monte PZ 18 1083 65926
Auletta SA 19 2336 68262
Teora AV 19 1537 69799
Cairano AV 19 326 70125
Caggiano SA 19 2765 72890
Sicignano degli Alburni SA 20 3519 76409
Calitri AV 20 4666 81075

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km W of Potenza (67122 inhabitants)
37 Km E of Battipaglia (50786 inhabitants)
54 Km E of Salerno (135261 inhabitants)
55 Km E of Avellino (54857 inhabitants)
58 Km E of Cava de' Tirreni (53659 inhabitants)
69 Km SE of Benevento (60091 inhabitants)
74 Km E of Scafati (50787 inhabitants)
74 Km SW of Cerignola (58396 inhabitants)
77 Km E of Castellammare di Stabia (66466 inhabitants)
83 Km S of Foggia (151991 inhabitants)
87 Km E of Torre del Greco (86275 inhabitants)
89 Km E of Portici (55274 inhabitants)
89 Km E of Ercolano (53709 inhabitants)
90 Km E of Acerra (59573 inhabitants)
94 Km SW of Andria (100440 inhabitants)
94 Km E of Afragola (65057 inhabitants)
95 Km E of Casoria (77642 inhabitants)
97 Km E of Napoli (974074 inhabitants)
98 Km E of Caserta (76326 inhabitants)
98 Km W of Altamura (70396 inhabitants)
99 Km SW of Barletta (94814 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 2.3 2021-08-29
20:32:03		 40.7253 15.3988 7 2021-09-06
10:00:12		 Bollettino Sismico Italiano INGV 94812431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-29 20:32:03 ± 0.05
Latitude 40.7253 ± 0.0027
Longitude 15.3988 ± 0.0047
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 94812431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 369
Semi-minor axis of confidence ellipse (meter) 134
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 21
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 55
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.05850
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 42
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 70
Type of magnitude ML
Reference to an origin 94812431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-01 12:33:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TST02.HHZ. 2021-08-29T20:32:32.51 3.0 undecidable manual P 2.23 0
IV.MSAG.HHZ. 2021-08-29T20:32:24.22 0.6 undecidable manual P 21 117.4935 50 0.26 38
IV.AMUR.HHZ. 2021-08-29T20:32:22.16 0.3 undecidable manual P 78 103.2189 50 0.4 58
OT.OT05.EHZ. 2021-08-29T20:32:22.01 0.3 undecidable manual P 9 105.0171 50 -0.03 63
IV.MRVN.HHZ. 2021-08-29T20:32:17.77 0.3 undecidable manual P 61 76.4679 50 0.13 64
IV.SIRI.HHZ. 2021-08-29T20:32:16.76 0.3 undecidable manual P 147 72.0723 50 -0.21 64
IX.MNT3.EHZ.02 2021-08-29T20:32:16.55 0.6 undecidable manual S 291 35.2425 102 0.1 47
IV.MGR.HHZ. 2021-08-29T20:32:15.92 0.6 undecidable manual P 169 66.4779 50 -0.18 44
IX.SALI.HNZ.01 2021-08-29T20:32:15.32 0.3 undecidable manual S 321 29.2485 104 0.9 55
IV.PTRP.HHZ. 2021-08-29T20:32:15.60 0.6 undecidable manual P 112 60.1953 50 0.47 41
IV.MCEL.HHZ. 2021-08-29T20:32:14.14 0.3 undecidable manual P 142 55.8996 50 -0.34 64
IV.SNAL.HHZ. 2021-08-29T20:32:14.09 0.3 undecidable manual S 324 27.3504 105 0.3 68
IV.MTSN.HHZ. 2021-08-29T20:32:14.74 0.3 undecidable manual P 150 58.9965 50 -0.2 66
IV.PALZ.HHZ. 2021-08-29T20:32:14.09 0.3 undecidable manual P 63 53.0025 50 0.07 68
IV.MRB1.HHZ. 2021-08-29T20:32:14.18 0.3 undecidable manual P 321 56.9985 50 -0.46 63
IV.CDRU.HHZ. 2021-08-29T20:32:14.05 0.6 undecidable manual S 197 27.3504 105 0.25 46
IX.NSC3.EHZ.02 2021-08-29T20:32:13.79 0.3 undecidable manual S 300 26.8509 105 0.15 70
IX.SRN3.HHZ.02 2021-08-29T20:32:13.63 0.6 undecidable manual S 169 26.9508 105 -0.05 48
IV.SGTA.HHZ. 2021-08-29T20:32:12.61 0.3 undecidable manual P 356 45.5211 50 -0.27 67
IV.CMPR.HHZ. 2021-08-29T20:32:12.65 0.6 undecidable manual P 190 45.9207 50 -0.28 44
IX.PGN3.HHZ.02 2021-08-29T20:32:12.00 0.3 undecidable manual P 117 37.5291 101 0.36 66
IV.SGO.HHZ. 2021-08-29T20:32:11.98 0.6 undecidable manual S 203 19.869 110 0.66 41
IX.CLT3.EHZ.02 2021-08-29T20:32:11.76 0.3 undecidable manual S 1 19.7691 111 0.48 66
IX.SSB3.HNE.02 2021-08-29T20:32:11.78 0.3 undecidable manual P 340 41.7249 50 -0.5 64
IV.PZUN.HHZ. 2021-08-29T20:32:11.73 0.3 undecidable manual P 104 35.4423 102 0.5 64
IV.SLCN.HHZ. 2021-08-29T20:32:11.93 0.3 undecidable manual P 152 42.1245 50 -0.42 65
IX.MNT3.EHZ.02 2021-08-29T20:32:10.70 0.3 undecidable manual P 291 35.2425 102 -0.47 65
IX.STN3.HNZ.01 2021-08-29T20:32:10.00 0.3 undecidable manual P 135 30.3474 104 -0.23 69
IX.RSF3.HNE.02 2021-08-29T20:32:10.08 0.3 undecidable manual P 325 32.4453 103 -0.56 63
IV.VULT.HHZ. 2021-08-29T20:32:10.80 0.3 undecidable manual P 36 31.3464 103 0.38 67
IX.SNR3.EHZ.02 2021-08-29T20:32:10.89 0.3 undecidable manual S 274 17.3715 113 0.37 68
IX.LIO3.HHZ.02 2021-08-29T20:32:09.20 0.3 undecidable manual P 316 26.4513 106 -0.26 69
IV.CDRU.HHZ. 2021-08-29T20:32:09.44 0.3 undecidable manual P 197 27.3504 105 -0.2 70
IX.SALI.HNZ.01 2021-08-29T20:32:09.81 0.3 undecidable manual P 321 29.2485 104 -0.19 70
IX.CGG3.HNZ.01 2021-08-29T20:32:09.20 0.3 undecidable manual P 153 22.8549 108 0.42 67
IV.SNAL.HHZ. 2021-08-29T20:32:09.65 0.1 positive manual P 324 27.3504 105 0.01 96
IX.CMP3.EHZ.02 2021-08-29T20:32:09.60 0.3 undecidable manual P 253 28.0497 105 -0.17 70
IX.NSC3.EHZ.02 2021-08-29T20:32:09.18 0.3 undecidable manual P 300 26.8509 105 -0.37 67
IX.SRN3.HHZ.02 2021-08-29T20:32:09.57 0.1 negative manual P 169 26.9508 105 -0.01 97
IV.SGO.HHZ. 2021-08-29T20:32:08.26 0.1 undecidable manual P 203 19.869 110 0.05 97
IX.PST3.HNZ.01 2021-08-29T20:32:08.84 0.3 undecidable manual P 216 22.4553 108 0.14 71
IX.SCL3.EHZ.02 2021-08-29T20:32:08.57 0.3 undecidable manual S 109 10.0788 126 0.27 71
IX.VDP3.HNZ.01 2021-08-29T20:32:08.61 0.3 undecidable manual P 132 19.7691 111 0.41 67
IX.RDM3.HHZ.02 2021-08-29T20:32:08.80 0.3 undecidable manual P 35 20.2686 110 0.51 66
IV.MCRV.HHZ. 2021-08-29T20:32:08.19 0.1 undecidable manual P 288 20.3685 110 -0.13 96
IX.SNR3.EHZ.02 2021-08-29T20:32:08.01 0.3 undecidable manual P 274 17.3715 113 0.26 70
IX.CLT3.EHZ.02 2021-08-29T20:32:08.57 0.3 undecidable manual P 1 19.7691 111 0.38 68
IX.BEL3.HNZ.01 2021-08-29T20:32:08.70 0.3 undecidable manual P 93 20.0688 110 0.45 67
IV.MRLC.HHZ. 2021-08-29T20:32:07.55 0.3 undecidable manual S 65 8.2806 132 -0.29 70
IX.COL3.HHZ.02 2021-08-29T20:32:07.73 0.3 undecidable manual S 234 7.1928 136 0.19 72
IX.COL3.HHZ.02 2021-08-29T20:32:06.04 0.1 positive manual P 234 7.1928 136 0.01 100
IX.SCL3.EHZ.02 2021-08-29T20:32:06.28 0.1 positive manual P 109 10.0788 126 -0.19 96
IX.CSG3.HNZ.01 2021-08-29T20:32:06.65 0.3 undecidable manual P 28 11.6772 122 -0.08 73
IV.MRLC.HHZ. 2021-08-29T20:32:05.97 0.1 positive manual P 65 8.2806 132 -0.23 95
IX.VDS3.HNZ.01 2021-08-29T20:32:05.68 0.1 undecidable manual S 54 2.8971 158 -1.05 71
IX.VDS3.HNZ.01 2021-08-29T20:32:04.97 0.1 negative manual P 54 2.8971 158 -0.6 87
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRLC.HNE. ML:2.5 0.005945000000000001 0.2 AML other m 2021-08-29T20:32:07.71
IV.MRLC.HHE. ML:2.9 0.0128 0.22 AML other m 2021-08-29T20:32:07.71
IV.MRLC.HHN. ML:2.9 0.014350000000000002 0.24 AML other m 2021-08-29T20:32:08.61
IV.MRLC.HNN. ML:2.6 0.0066749999999999995 0.24 AML other m 2021-08-29T20:32:08.61
IX.SCL3.EHN.02 ML:3.2 0.0211 0.34 AML other m 2021-08-29T20:32:09.30
IX.SCL3.EHE.02 ML:3.0 0.013100000000000002 0.78 AML other m 2021-08-29T20:32:09.46
IV.SGO.HHN. ML:2.3 0.0014550000000000001 0.3 AML other m 2021-08-29T20:32:13.45
IX.SNR3.EHE.02 ML:2.5 0.003085 0.3 AML other m 2021-08-29T20:32:13.44
IX.SNR3.HNE.01 ML:2.6 0.003585 0.3 AML other m 2021-08-29T20:32:13.44
IX.SNR3.HNN.01 ML:2.7 0.00515 0.26 AML other m 2021-08-29T20:32:13.59
IX.SNR3.EHN.02 ML:2.7 0.004835 0.62 AML other m 2021-08-29T20:32:13.59
IV.MCRV.HHN. ML:2.5 0.0026100000000000003 0.7 AML other m 2021-08-29T20:32:13.34
IV.MCRV.HHE. ML:2.2 0.0012324999999999999 1.36 AML other m 2021-08-29T20:32:13.83
IV.SGO.HHE. ML:2.1 0.0010295 1.14 AML other m 2021-08-29T20:32:14.23
IX.CLT3.EHN.02 ML:2.6 0.00317 0.28 AML other m 2021-08-29T20:32:15.01
IX.NSC3.EHE.02 ML:2.4 0.001265 0.66 AML other m 2021-08-29T20:32:15.80
IX.NSC3.EHN.02 ML:2.4 0.0013319999999999999 1.58 AML other m 2021-08-29T20:32:16.19
IX.CLT3.HNN.01 ML:2.6 0.00318 1.4 AML other m 2021-08-29T20:32:16.19
IX.CLT3.EHE.02 ML:2.6 0.00285 0.74 AML other m 2021-08-29T20:32:16.52
IX.CLT3.HNE.01 ML:2.6 0.00293 0.74 AML other m 2021-08-29T20:32:16.89
IX.MNT3.HNN.01 ML:2.4 0.0009615 0.4 AML other m 2021-08-29T20:32:18.88
IX.MNT3.EHN.02 ML:2.4 0.0010750000000000002 0.42 AML other m 2021-08-29T20:32:18.68
IX.SRN3.HHE.02 ML:2.6 0.002245 0.48 AML other m 2021-08-29T20:32:20.23
IX.SRN3.HHN.02 ML:2.7 0.00266 0.44 AML other m 2021-08-29T20:32:20.49
IX.MNT3.HNE.01 ML:2.2 0.000679 0.66 AML other m 2021-08-29T20:32:20.49
IX.MNT3.EHE.02 ML:2.1 0.0005909999999999999 0.68 AML other m 2021-08-29T20:32:20.49
IV.SNAL.HHE. ML:2.3 0.001042 0.8 AML other m 2021-08-29T20:32:22.49
IV.SNAL.HNE. ML:2.2 0.0009255 0.82 AML other m 2021-08-29T20:32:22.50
IV.PZUN.HHN. ML:2.1 0.0005635 0.34 AML other m 2021-08-29T20:32:23.34
IV.PZUN.HNN. ML:2.1 0.0005445 0.36 AML other m 2021-08-29T20:32:23.36
IV.SNAL.HNN. ML:2.2 0.000982 1.1 AML other m 2021-08-29T20:32:23.78
IV.SNAL.HHN. ML:2.2 0.0009735000000000001 1.1 AML other m 2021-08-29T20:32:23.78
IV.VULT.HNE. ML:2.1 0.0006739999999999999 1.5 AML other m 2021-08-29T20:32:24.16
IV.VULT.HHE. ML:2.2 0.0007005000000000001 1.5 AML other m 2021-08-29T20:32:24.16
IV.CMPR.HHN. ML:1.9 0.0002225 0.3 AML other m 2021-08-29T20:32:24.18
IV.VULT.HNN. ML:2.3 0.0010065 0.62 AML other m 2021-08-29T20:32:24.54
IV.VULT.HHN. ML:2.3 0.0009270000000000001 0.94 AML other m 2021-08-29T20:32:25.53
IV.PZUN.HHE. ML:2.2 0.0007325 0.52 AML other m 2021-08-29T20:32:25.75
IV.PZUN.HNE. ML:2.2 0.0007455000000000001 0.52 AML other m 2021-08-29T20:32:25.75
IV.SGTA.HHE. ML:2.0 0.00029549999999999997 0.48 AML other m 2021-08-29T20:32:25.79
IV.SLCN.HHE. ML:2.6 0.001245 0.46 AML other m 2021-08-29T20:32:26.00
IV.SLCN.HNE. ML:2.5 0.0011799999999999998 0.46 AML other m 2021-08-29T20:32:26.23
IV.CMPR.HHE. ML:1.8 0.0001785 1 AML other m 2021-08-29T20:32:26.80
IV.PALZ.HHE. ML:2.0 0.000251 0.48 AML other m 2021-08-29T20:32:26.55
IV.MTSN.HNE. ML:2.1 0.0002895 1.08 AML other m 2021-08-29T20:32:27.64
IV.SLCN.HHN. ML:2.5 0.001037 1.02 AML other m 2021-08-29T20:32:27.18
IV.SLCN.HNN. ML:2.5 0.000987 1 AML other m 2021-08-29T20:32:27.19
IV.SGTA.HHN. ML:1.9 0.0002535 0.66 AML other m 2021-08-29T20:32:27.46
IX.PGN3.HHE.02 ML:2.1 0.000501 0.72 AML other m 2021-08-29T20:32:28.25
IV.MTSN.HNN. ML:2.2 0.000377 1.06 AML other m 2021-08-29T20:32:28.64
IV.SGTA.HNE. ML:2.0 0.00028799999999999995 1.5 AML other m 2021-08-29T20:32:28.95
IV.MTSN.HHE. ML:2.1 0.00028900000000000003 1.38 AML other m 2021-08-29T20:32:28.99
IV.MTSN.HHN. ML:2.3 0.0003875 1.06 AML other m 2021-08-29T20:32:29.64
IV.SGTA.HNN. ML:2.0 0.000303 1.04 AML other m 2021-08-29T20:32:29.71
IV.MCEL.HNE. ML:2.4 0.000569 1 AML other m 2021-08-29T20:32:30.89
IX.PGN3.HHN.02 ML:2.2 0.0005645 0.88 AML other m 2021-08-29T20:32:31.51
IV.MCEL.HNN. ML:2.4 0.0005845000000000001 1.58 AML other m 2021-08-29T20:32:32.89
IV.MGR.HHN. ML:2.0 0.0001715 1.16 AML other m 2021-08-29T20:32:32.15
IV.MRVN.HHE. ML:1.9 0.0001265 0.92 AML other m 2021-08-29T20:32:32.64
IV.MCEL.HHN. ML:2.1 0.000284 0.56 AML other m 2021-08-29T20:32:34.77
IV.MRVN.HHN. ML:1.9 0.0001075 0.8 AML other m 2021-08-29T20:32:35.25
IV.MGR.HHE. ML:2.0 0.000177 0.56 AML other m 2021-08-29T20:32:35.41
IV.PALZ.HHN. ML:2.0 0.000257 0.52 AML other m 2021-08-29T20:32:36.89
IV.SIRI.HHN. ML:2.1 0.000201 1 AML other m 2021-08-29T20:32:37.17
IV.PTRP.HHE. ML:2.0 0.0001875 0.52 AML other m 2021-08-29T20:32:39.57
IV.PTRP.HHN. ML:2.0 0.00021550000000000003 0.44 AML other m 2021-08-29T20:32:39.73
IV.SIRI.HHE. ML:1.8 0.00010125 0.64 AML other m 2021-08-29T20:32:39.57
IV.MCEL.HHE. ML:2.0 0.0002575 1.24 AML other m 2021-08-29T20:32:40.62
IV.MSAG.HHE. ML:1.8 0.0000564 0.42 AML other m 2021-08-29T20:32:45.52
IV.MSAG.HHN. ML:2.1 0.0001012 0.78 AML other m 2021-08-29T20:32:50.00
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