Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 09-08-2020 and time 23:29:44 (Italy) in region 3 km NW Villanova del Battista (AV)

A magnitude ML 1.3 earthquake occured in region: 3 km NW Villanova del Battista (AV), on

  • 09-08-2020 21:29:44 (UTC)
  • 09-08-2020 23:29:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.1430, 15.1320 at 23 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
Villanova del Battista AV 3 1690 1690
Ariano Irpino AV 4 22700 24390
Zungoli AV 6 1099 25489
Melito Irpino AV 8 1920 27409
Flumeri AV 8 2963 30372
Grottaminarda AV 10 8137 38509
Montecalvo Irpino AV 10 3725 42234
Savignano Irpino AV 10 1140 43374
San Sossio Baronia AV 10 1643 45017
San Nicola Baronia AV 11 771 45788
Monteleone di Puglia FG 11 1021 46809
Bonito AV 12 2448 49257
Castel Baronia AV 12 1129 50386
Greci AV 12 691 51077
Vallesaccarda AV 13 1386 52463
Sturno AV 13 3080 55543
Trevico AV 14 993 56536
Anzano di Puglia FG 14 1284 57820
Carife AV 14 1408 59228
Frigento AV 15 3780 63008
Casalbore AV 15 1800 64808
Scampitella AV 15 1234 66042
Panni FG 15 804 66846
Vallata AV 15 2714 69560
Montaguto AV 16 423 69983
Buonalbergo BN 16 1730 71713
Gesualdo AV 16 3516 75229
Mirabella Eclano AV 16 7684 82913
Sant'Arcangelo Trimonte BN 16 573 83486
Fontanarosa AV 16 3170 86656
Accadia FG 17 2376 89032
Apice BN 17 5686 94718
Ginestra degli Schiavoni BN 17 476 95194
Castelfranco in Miscano BN 18 916 96110
Sant'Angelo all'Esca AV 19 801 96911
Orsara di Puglia FG 19 2767 99678
Villamaina AV 19 995 100673

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Benevento (60091 inhabitants)
38 Km NE of Avellino (54857 inhabitants)
50 Km SW of Foggia (151991 inhabitants)
60 Km NE of Salerno (135261 inhabitants)
61 Km NE of Cava de' Tirreni (53659 inhabitants)
61 Km N of Battipaglia (50786 inhabitants)
64 Km SW of San Severo (53905 inhabitants)
66 Km W of Cerignola (58396 inhabitants)
67 Km NE of Scafati (50787 inhabitants)
67 Km E of Caserta (76326 inhabitants)
67 Km E of Acerra (59573 inhabitants)
73 Km E of Afragola (65057 inhabitants)
74 Km NE of Castellammare di Stabia (66466 inhabitants)
74 Km E of Portici (55274 inhabitants)
75 Km E of Casoria (77642 inhabitants)
75 Km NE of Torre del Greco (86275 inhabitants)
76 Km NE of Ercolano (53709 inhabitants)
80 Km NW of Potenza (67122 inhabitants)
80 Km E of Aversa (53047 inhabitants)
81 Km E of Napoli (974074 inhabitants)
82 Km E of Giugliano in Campania (122974 inhabitants)
83 Km E of Marano di Napoli (59874 inhabitants)
85 Km SW of Manfredonia (57279 inhabitants)
93 Km E of Pozzuoli (81661 inhabitants)
98 Km W of Barletta (94814 inhabitants)
98 Km W of Andria (100440 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 1.3 2020-08-09
21:29:44		 41.143 15.1318 23 2020-11-19
12:37:07		 Bollettino Sismico Italiano INGV 84841451
Reviewed
Rev100 		ML 1.5 2020-08-09
21:29:44		 41.1413 15.1298 24 2020-08-09
22:05:51		 Sala Sismica INGV-Roma 81825331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-09 21:29:44 ± 0.13
Latitude 41.1430 ± 0.0045
Longitude 15.1318 ± 0.0084
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84841451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 721
Semi-minor axis of confidence ellipse (meter) 310
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.05666
Epicentral distance of station farthest from the epicenter (degree) 0.40559
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 84841451
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-19 09:02:28

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 81825331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-09 22:05:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GATE.HHZ. 2020-08-09T21:29:58.80 0.3 undecidable manual S 336 45.0216 110 -0.52 64
IX.NSC3.HHZ.02 2020-08-09T21:29:56.60 0.3 undecidable manual S 181 32.8449 118 0.26 69
IV.PSB1.HHZ. 2020-08-09T21:29:55.40 0.3 undecidable manual S 289 28.2495 122 0.12 72
IX.LIO3.HHZ.02 2020-08-09T21:29:55.40 0.3 undecidable manual S 172 27.5502 123 0.27 70
IV.SNAL.HHZ. 2020-08-09T21:29:54.70 0.3 undecidable manual S 165 24.9528 126 0.15 72
IX.RSF3.HNZ.02 2020-08-09T21:29:53.10 0.6 undecidable manual S 169 20.1687 133 -0.47 44
IV.SGTA.HNZ. 2020-08-09T21:29:53.70 0.6 undecidable manual S 93 19.4694 134 0.26 47
IV.GATE.HHZ. 2020-08-09T21:29:53.25 0.1 undecidable manual P 336 45.0216 110 0.29 88
IV.CAFE.HHZ. 2020-08-09T21:29:52.60 0.3 undecidable manual S 145 15.4734 142 -0.12 73
IV.BIOG.HNZ. 2020-08-09T21:29:52.00 0.6 undecidable manual S 1 6.2937 163 0.43 46
IV.MRB1.HHZ. 2020-08-09T21:29:52.50 0.3 undecidable manual S 261 13.875 145 0.04 75
IX.NSC3.HHZ.02 2020-08-09T21:29:51.24 0.1 undecidable manual P 181 32.8449 118 0 97
IX.SALI.HNE.01 2020-08-09T21:29:50.04 0.3 undecidable manual P 170 23.9538 128 -0.05 73
IV.SNAL.HHZ. 2020-08-09T21:29:50.17 0.1 negative manual P 165 24.9528 126 -0.04 97
IV.PSB1.HHZ. 2020-08-09T21:29:50.76 0.1 undecidable manual P 289 28.2495 122 0.13 95
IX.LIO3.HHZ.02 2020-08-09T21:29:50.49 0.1 undecidable manual P 172 27.5502 123 -0.05 97
IV.CAFE.HHZ. 2020-08-09T21:29:49.02 0.1 negative manual P 145 15.4734 142 -0.13 97
IX.RSF3.HNZ.02 2020-08-09T21:29:49.37 0.3 undecidable manual P 169 20.1687 133 -0.27 70
IV.SGTA.HNZ. 2020-08-09T21:29:49.69 0.1 undecidable manual P 93 19.4694 134 0.12 96
IV.MRB1.HHZ. 2020-08-09T21:29:49.01 0.1 undecidable manual P 261 13.875 145 0.01 100
IV.BIOG.HNZ. 2020-08-09T21:29:48.10 0.3 undecidable manual P 1 6.2937 163 -0.38 70
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRB1.HNE. ML:1.5 0.0001959559 0.9344 AML other m 2020-08-09T21:29:53.54
IV.MRB1.HHN. ML:1.1 0.000068062845 0.3072 AML other m 2020-08-09T21:29:52.79
IV.CAFE.HNN. ML:1.4 0.0001322471 0.6784 AML other m 2020-08-09T21:29:54.58
IV.CAFE.HHN. ML:1.4 0.000132196355 0.2176 AML other m 2020-08-09T21:29:53.09
IV.CAFE.HHE. ML:1.6 0.0002149533 0.2048 AML other m 2020-08-09T21:29:53.02
IV.CAFE.HNE. ML:1.6 0.0002445833 0.2176 AML other m 2020-08-09T21:29:52.92
IV.SNAL.HNE. ML:1.1 0.000055049295 0.2816 AML other m 2020-08-09T21:29:55.64
IV.SNAL.HNN. ML:1.3 0.00008581384 0.2816 AML other m 2020-08-09T21:29:55.36
IV.SNAL.HHE. ML:1.2 0.00006778618 0.2304 AML other m 2020-08-09T21:29:55.39
IV.SNAL.HHN. ML:1.3 0.000084651665 0.256 AML other m 2020-08-09T21:29:55.35
IV.GATE.HHE. ML:0.9 0.000018205155 0.256 AML other m 2020-08-09T21:29:59.18
IV.GATE.HHN. ML:0.6 0.000011659278 0.1408 AML other m 2020-08-09T21:29:58.93
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