Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 15-10-2020 and time 08:57:06 (UTC) in region 2 km NE Balvano (PZ)

A magnitude ML 1.8 earthquake occured in region: 2 km NE Balvano (PZ), on

  • 15-10-2020 08:57:06 (UTC)
  • 15-10-2020 10:57:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6640, 15.5280 at 14 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
Ricigliano SA 4 1144 2974
Baragiano PZ 6 2671 5645
Vietri di Potenza PZ 7 2832 8477
Romagnano al Monte SA 9 368 8845
Picerno PZ 10 5985 14830
Salvitelle SA 10 560 15390
Muro Lucano PZ 11 5497 20887
Savoia di Lucania PZ 11 1127 22014
Bella PZ 11 5171 27185
San Gregorio Magno SA 11 4286 31471
Caggiano SA 11 2765 34236
Sant'Angelo Le Fratte PZ 13 1429 35665
Ruoti PZ 14 3579 39244
Buccino SA 14 5047 44291
Auletta SA 15 2336 46627
Pertosa SA 15 690 47317
Tito PZ 16 7332 54649
Castelgrande PZ 16 943 55592
Satriano di Lucania PZ 16 2374 57966
Polla SA 17 5279 63245
San Fele PZ 17 3004 66249
Avigliano PZ 18 11577 77826
Petina SA 20 1159 78985
Palomonte SA 20 3985 82970

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Potenza (67122 inhabitants)
46 Km E of Battipaglia (50786 inhabitants)
65 Km E of Salerno (135261 inhabitants)
68 Km E of Avellino (54857 inhabitants)
69 Km E of Cava de' Tirreni (53659 inhabitants)
74 Km SW of Cerignola (58396 inhabitants)
81 Km SE of Benevento (60091 inhabitants)
85 Km E of Scafati (50787 inhabitants)
88 Km W of Altamura (70396 inhabitants)
88 Km E of Castellammare di Stabia (66466 inhabitants)
89 Km S of Foggia (151991 inhabitants)
90 Km SW of Andria (100440 inhabitants)
90 Km W of Matera (60436 inhabitants)
96 Km SW of Barletta (94814 inhabitants)
99 Km E of Torre del Greco (86275 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 2020-10-15
08:57:06		 40.6642 15.5282 14 2021-02-26
14:56:07		 Bollettino Sismico Italiano INGV 84963801
Reviewed
Rev100 		ML 1.7 2020-10-15
08:57:06		 40.6627 15.5302 16 2020-10-15
09:13:20		 Sala Sismica INGV-Roma 83800401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-15 08:57:06 ± 0.1
Latitude 40.6642 ± 0.0072
Longitude 15.5282 ± 0.0107
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84963801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 946
Semi-minor axis of confidence ellipse (meter) 446
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 309
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 26
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64212
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 84963801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-23 10:53:19

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 83800401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-15 09:13:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZONE.HHZ. 2020-10-15T08:58:33.54 3.0 undecidable manual Pn 2.69 0
IV.EUCT.HNZ. 2020-10-15T08:58:33.06 3.0 positive manual Pn 1.45 0
IV.LPDG.HHZ. 2020-10-15T08:58:24.65 3.0 negative manual Pn 0.91 0
IV.ASSB.HHZ. 2020-10-15T08:58:24.98 3.0 undecidable manual Sn 2.69 0
IV.OFFI.HHZ. 2020-10-15T08:58:06.18 3.0 undecidable manual Sn -3.67 0
IV.CSNT.HHZ. 2020-10-15T08:58:03.57 3.0 positive manual Pn 3.7 0
IV.RM33.EHZ. 2020-10-15T08:58:02.21 3.0 undecidable manual Sn -3.67 0
IV.CAGR.HHZ. 2020-10-15T08:58:01.62 3.0 undecidable manual Pg 11.01 0
XK.GIZZ.HHZ. 2020-10-15T08:57:58.45 3.0 undecidable manual Sn -2.59 0
IV.MMO1.EHZ. 2020-10-15T08:57:38.14 3.0 positive manual Pn -2.31 0
IX.MNT3.HHZ.02 2020-10-15T08:57:21.99 0.3 undecidable manual S 294 47.8188 94 0.61 64
IV.PALZ.HHZ. 2020-10-15T08:57:21.31 0.6 undecidable manual S 49 47.7189 94 -0.05 49
IV.CMPR.HHZ. 2020-10-15T08:57:20.05 0.3 undecidable manual S 206 42.8238 95 0 73
IV.MRVN.HHZ. 2020-10-15T08:57:17.87 0.6 undecidable manual P 52 71.2731 93 -0.67 40
IX.SRN3.HHN. 2020-10-15T08:57:14.59 0.6 undecidable manual S 197 20.6682 107 0.38 48
IV.PALZ.HHZ. 2020-10-15T08:57:14.44 0.6 undecidable manual P 49 47.7189 94 -0.48 44
IV.SGO.HHZ. 2020-10-15T08:57:14.79 0.3 undecidable manual S 238 21.867 106 0.26 73
IX.MNT3.HHZ.02 2020-10-15T08:57:14.78 0.6 undecidable manual P 294 47.8188 94 -0.16 47
IV.PZUN.HNZ. 2020-10-15T08:57:14.94 0.6 undecidable manual S 95 23.5542 104 -0.02 51
IV.CMPR.HHZ. 2020-10-15T08:57:13.55 0.3 undecidable manual P 206 42.8238 95 -0.62 63
IV.ACER.HHZ. 2020-10-15T08:57:13.01 0.6 undecidable manual P 69 37.4292 96 -0.32 47
IV.VULT.HHN. 2020-10-15T08:57:12.30 0.3 undecidable manual P 13 33.0447 98 -0.37 70
IX.BEL3.HNE.01 2020-10-15T08:57:12.66 0.6 undecidable manual S 58 10.7781 132 0.76 41
IX.CLT3.HNE.02 2020-10-15T08:57:12.25 0.6 undecidable manual P 339 28.4493 100 0.28 48
IV.SLCN.HHZ. 2020-10-15T08:57:12.59 0.3 undecidable manual P 164 31.6461 98 0.13 74
IX.SFL3.HNE.01 2020-10-15T08:57:11.92 0.6 undecidable manual S 17 14.4744 120 -0.78 43
IV.PZUN.HNZ. 2020-10-15T08:57:11.47 0.3 undecidable manual P 95 23.5542 104 0.24 73
IX.RDM3.HHN.02 2020-10-15T08:57:11.78 0.6 undecidable manual P 2 23.4543 104 0.56 45
IX.PGN3.HHN.02 2020-10-15T08:57:11.88 0.6 undecidable manual P 114 24.753 102 0.47 46
IX.SFL3.HNE.01 2020-10-15T08:57:10.01 0.3 undecidable manual P 17 14.4744 120 0.09 76
IX.SRN3.HHN. 2020-10-15T08:57:10.48 0.1 positive manual P 197 20.6682 107 -0.31 96
IX.BEL3.HNE.01 2020-10-15T08:57:10.07 0.3 undecidable manual P 58 10.7781 132 0.61 67
IX.SCL3.HHN.02 2020-10-15T08:57:10.70 0.6 undecidable manual S 338 3.6963 161 -0.15 52
IV.SGO.HHZ. 2020-10-15T08:57:10.73 0.3 undecidable manual P 238 21.867 106 -0.25 73
IX.STN3.HNZ.02 2020-10-15T08:57:10.53 0.3 undecidable manual P 145 18.1707 112 0.1 76
IX.SCL3.HHN.02 2020-10-15T08:57:08.56 0.1 negative manual P 338 3.6963 161 -0.3 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SGO.HHE. ML:1.8 0.00035206455000000005 0.2176 AML other m 2020-10-15T08:57:15.42
IV.SGO.HNN. ML:1.9 0.00054074985 0.2112 AML other m 2020-10-15T08:57:15.50
IV.SGO.HHN. ML:2.0 0.00058767585 0.2048 AML other m 2020-10-15T08:57:15.50
IV.SGO.HNE. ML:1.5 0.0001783882 0.3136 AML other m 2020-10-15T08:57:15.06
IV.SLCN.HHN. ML:1.8 0.00026719735 0.3008 AML other m 2020-10-15T08:57:25.09
IV.SLCN.HNN. ML:1.8 0.00029036705 0.3648 AML other m 2020-10-15T08:57:18.89
IV.SLCN.HNE. ML:1.8 0.0003007526 0.5376 AML other m 2020-10-15T08:57:22.33
IV.SLCN.HHE. ML:1.9 0.00033014815 0.4608 AML other m 2020-10-15T08:57:22.59
IV.ACER.HNE. ML:1.9 0.00026100445 0.4416 AML other m 2020-10-15T08:57:20.91
IV.ACER.HHE. ML:1.9 0.00026330655 0.4032 AML other m 2020-10-15T08:57:19.44
IV.ACER.HNN. ML:1.9 0.0002794875 0.2816 AML other m 2020-10-15T08:57:20.04
IV.ACER.HHN. ML:2.0 0.000323281 0.2624 AML other m 2020-10-15T08:57:20.04
IV.CMPR.HHN. ML:1.5 0.00009536504 0.1408 AML other m 2020-10-15T08:57:21.12
IV.CMPR.HHE. ML:1.7 0.00013760866999999998 0.4224 AML other m 2020-10-15T08:57:22.25
IV.MRVN.HHE. ML:1.5 0.000051935574999999996 0.3648 AML other m 2020-10-15T08:57:29.32
IV.MRVN.HHN. ML:1.6 0.000063788625 0.1792 AML other m 2020-10-15T08:57:30.01
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