Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 21-09-2019 and time 20:20:12 (Italy) in region 2 km SW Balvano (PZ)

A magnitude ML 1.6 earthquake occured in region: 2 km SW Balvano (PZ), on

  • 21-09-2019 18:20:12 (UTC)
  • 21-09-2019 20:20:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6350, 15.5050 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
Balvano PZ 2 1830 1830
Vietri di Potenza PZ 4 2832 4662
Ricigliano SA 4 1144 5806
Romagnano al Monte SA 6 368 6174
Salvitelle SA 6 560 6734
Caggiano SA 7 2765 9499
Savoia di Lucania PZ 8 1127 10626
Baragiano PZ 9 2671 13297
San Gregorio Magno SA 9 4286 17583
Auletta SA 11 2336 19919
Sant'Angelo Le Fratte PZ 11 1429 21348
Picerno PZ 11 5985 27333
Pertosa SA 11 690 28023
Buccino SA 12 5047 33070
Polla SA 13 5279 38349
Muro Lucano PZ 13 5497 43846
Bella PZ 14 5171 49017
Satriano di Lucania PZ 15 2374 51391
Tito PZ 16 7332 58723
Petina SA 16 1159 59882
Ruoti PZ 17 3579 63461
Castelgrande PZ 18 943 64404
Palomonte SA 18 3985 68389
Sant'Arsenio SA 18 2815 71204
Sicignano degli Alburni SA 19 3519 74723
San Pietro al Tanagro SA 20 1695 76418

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km W of Potenza (67122 inhabitants)
44 Km E of Battipaglia (50786 inhabitants)
63 Km E of Salerno (135261 inhabitants)
67 Km E of Avellino (54857 inhabitants)
68 Km E of Cava de' Tirreni (53659 inhabitants)
78 Km SW of Cerignola (58396 inhabitants)
82 Km SE of Benevento (60091 inhabitants)
83 Km E of Scafati (50787 inhabitants)
87 Km E of Castellammare di Stabia (66466 inhabitants)
91 Km W of Altamura (70396 inhabitants)
92 Km S of Foggia (151991 inhabitants)
92 Km W of Matera (60436 inhabitants)
94 Km SW of Andria (100440 inhabitants)
98 Km E of Torre del Greco (86275 inhabitants)
99 Km E of Portici (55274 inhabitants)
100 Km E of Ercolano (53709 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 1.6 2019-09-21
18:20:12		 40.6348 15.5052 18 2020-02-28
16:41:59		 Bollettino Sismico Italiano INGV 73515521
Reviewed
Rev100 		ML 1.5 2019-09-21
18:20:12		 40.6262 15.5208 10 2019-09-21
18:38:08		 Sala Sismica INGV-Roma 72622211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-21 18:20:12 ± 0.12
Latitude 40.6348 ± 0.0045
Longitude 15.5052 ± 0.0083
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 73515521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 698
Semi-minor axis of confidence ellipse (meter) 74
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 106
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56477
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 72622211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-21 18:38:08

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 73515521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-29 14:54:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.VNF1.HGZ. 2019-09-21T18:20:56.58 3.0 undecidable manual S 0.04 0
IV.PALZ.HHZ. 2019-09-21T18:20:28.97 0.6 undecidable manual S 48 51.4152 100 0.23 46
IV.SNAL.HHZ. 2019-09-21T18:20:27.28 0.6 undecidable manual S 322 40.7259 103 1.34 29
IV.ACER.HHZ. 2019-09-21T18:20:26.30 0.3 undecidable manual S 65 40.4262 103 0.42 68
IV.CMPR.HHZ. 2019-09-21T18:20:25.94 0.3 undecidable manual S 206 39.0276 104 0.43 67
IV.VULT.HHZ. 2019-09-21T18:20:24.96 0.6 undecidable manual S 15 36.741 105 0.05 48
IV.BULG.HHZ. 2019-09-21T18:20:23.46 0.3 undecidable manual P 190 62.6928 97 -0.1 68
IV.MTMR.EHZ. 2019-09-21T18:20:22.50 0.6 undecidable manual P 307 52.6029 99 0.47 43
IV.MGR.HHZ. 2019-09-21T18:20:22.16 0.3 undecidable manual P 176 55.3002 99 -0.28 66
IV.PALZ.HHZ. 2019-09-21T18:20:21.36 0.3 undecidable manual P 48 51.4152 100 -0.48 64
IV.PTRP.HHZ. 2019-09-21T18:20:21.92 0.3 undecidable manual P 105 48.5181 100 0.51 65
IV.CDRU.HHZ. 2019-09-21T18:20:21.88 0.3 undecidable manual S 226 23.3544 117 0.33 70
IX.SRN3.HHZ.02 2019-09-21T18:20:20.56 0.6 undecidable manual S 194 16.9719 127 0.45 46
IV.ACER.HHZ. 2019-09-21T18:20:20.04 0.3 undecidable manual P 65 40.4262 103 -0.15 70
IV.SNAL.HHZ. 2019-09-21T18:20:20.31 0.3 undecidable manual P 322 40.7259 103 0.08 72
IV.VULT.HHZ. 2019-09-21T18:20:19.34 0.1 undecidable manual P 15 36.741 105 -0.29 92
IV.CMPR.HHZ. 2019-09-21T18:20:19.92 0.6 undecidable manual P 206 39.0276 104 -0.06 48
IV.MRLC.HHZ. 2019-09-21T18:20:19.21 0.3 undecidable manual S 354 13.5753 135 -0.22 74
IX.VDS3.HNZ.01 2019-09-21T18:20:19.49 0.3 undecidable manual S 331 13.4754 135 0.08 75
IV.CAGG.EHZ. 2019-09-21T18:20:18.48 0.3 undecidable manual S 176 8.5803 149 -0.14 75
IX.SCL3.HHZ.02 2019-09-21T18:20:18.59 0.6 undecidable manual S 5 6.6933 155 0.22 49
IV.MCRV.HHZ. 2019-09-21T18:20:18.79 0.3 undecidable manual P 300 32.745 107 -0.25 71
IX.PGN3.HHZ.02 2019-09-21T18:20:18.44 0.3 undecidable manual P 106 25.5522 114 0.44 69
IX.BEL3.HNZ.01 2019-09-21T18:20:17.18 0.3 undecidable manual P 51 14.2746 134 0.64 66
IV.CDRU.HHZ. 2019-09-21T18:20:17.49 0.1 positive manual P 226 23.3544 117 -0.2 96
IX.VDS3.HNZ.01 2019-09-21T18:20:16.21 0.3 undecidable manual P 331 13.4754 135 -0.25 73
IX.SRN3.HHZ.02 2019-09-21T18:20:16.81 0.1 positive manual P 194 16.9719 127 -0.05 100
IV.MRLC.HHZ. 2019-09-21T18:20:16.21 0.1 positive manual P 354 13.5753 135 -0.25 97
IX.VDP3.HNZ.01 2019-09-21T18:20:15.57 0.3 undecidable manual P 120 6.4935 156 -0.28 73
IV.CAGG.EHZ. 2019-09-21T18:20:15.73 0.3 undecidable manual P 176 8.5803 149 -0.27 73
IX.SCL3.HHZ.02 2019-09-21T18:20:15.40 0.1 undecidable manual P 5 6.6933 155 -0.46 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRLC.HHE. ML:1.5 0.0002528979 0.6784 AML other m 2019-09-21T18:20:19.88
IV.MRLC.HNE. ML:1.3 0.00013533415 0.6784 AML other m 2019-09-21T18:20:19.54
IV.MRLC.HHN. ML:1.8 0.000526226 0.2432 AML other m 2019-09-21T18:20:19.50
IV.MRLC.HNN. ML:1.5 0.00024031564999999998 0.2432 AML other m 2019-09-21T18:20:19.50
IV.CDRU.HHE. ML:1.8 0.00033210490000000004 0.2048 AML other m 2019-09-21T18:20:22.46
IV.CDRU.HHN. ML:1.4 0.0001392755 0.2944 AML other m 2019-09-21T18:20:22.46
IV.MCRV.HHE. ML:1.6 0.0001542382 0.128 AML other m 2019-09-21T18:20:26.02
IV.MCRV.HHN. ML:1.7 0.0001980341 0.1024 AML other m 2019-09-21T18:20:26.01
IV.VULT.HNE. ML:1.6 0.0001251077 0.7168 AML other m 2019-09-21T18:20:28.98
IV.VULT.HHN. ML:1.4 0.000097154415 0.1408 AML other m 2019-09-21T18:20:25.43
IV.VULT.HHE. ML:1.4 0.00008473036000000001 0.1664 AML other m 2019-09-21T18:20:25.16
IV.ACER.HHE. ML:1.7 0.000177242 0.4224 AML other m 2019-09-21T18:20:26.68
IV.ACER.HHN. ML:1.5 0.00010077114499999999 0.5248 AML other m 2019-09-21T18:20:27.60
IV.ACER.HNE. ML:1.7 0.00016389035 0.4224 AML other m 2019-09-21T18:20:26.69
IV.ACER.HNN. ML:1.9 0.00022792934999999996 1.6 AML other m 2019-09-21T18:20:32.66
IV.SNAL.HNE. ML:1.9 0.00027635254999999997 0.2944 AML other m 2019-09-21T18:20:27.80
IV.SNAL.HNN. ML:1.9 0.00023849685 0.6912 AML other m 2019-09-21T18:20:27.47
IV.SNAL.HHN. ML:1.8 0.00019703789999999999 0.2816 AML other m 2019-09-21T18:20:27.81
IV.SNAL.HHE. ML:2.0 0.00031447865 0.2688 AML other m 2019-09-21T18:20:27.79
IV.PALZ.HHE. ML:1.9 0.00018614134999999998 1.8176 AML other m 2019-09-21T18:20:28.77
IV.PTRP.HHE. ML:1.3 0.000054878675 1.2928 AML other m 2019-09-21T18:20:35.26
IV.PTRP.HHN. ML:1.5 0.00007530032000000001 1.1776 AML other m 2019-09-21T18:20:31.22
IV.MGR.HHE. ML:1.1 0.0000291859 0.2944 AML other m 2019-09-21T18:20:33.74
IV.MGR.HHN. ML:1.2 0.000036589475 0.3712 AML other m 2019-09-21T18:20:34.73
IV.MGR.HNE. ML:2.0 0.00021159235000000001 1.728 AML other m 2019-09-21T18:20:32.38
IV.MTMR.EHE. ML:1.3 0.000047408149999999994 8.0896 AML other m 2019-09-21T18:20:26.45
IV.MTMR.HNE. ML:1.9 0.00017131375 1.6256 AML other m 2019-09-21T18:20:35.70
IV.BULG.HNE. ML:1.6 0.000071025245 3.4176 AML other m 2019-09-21T18:20:39.72
IV.BULG.HHN. ML:1.4 0.00004807964000000001 0.4608 AML other m 2019-09-21T18:20:40.70
IV.BULG.HHE. ML:1.2 0.00003159868 0.3456 AML other m 2019-09-21T18:20:38.56
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