Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 11-12-2020 and time 22:56:22 (Italy) in region 3 km N Zungoli (AV)

A magnitude ML 1.3 earthquake occured in region: 3 km N Zungoli (AV), on

  • 11-12-2020 21:56:22 (UTC)
  • 11-12-2020 22:56:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.1570, 15.2020 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
Zungoli AV 3 1099 1099
Monteleone di Puglia FG 5 1021 2120
Villanova del Battista AV 5 1690 3810
Savignano Irpino AV 8 1140 4950
Anzano di Puglia FG 9 1284 6234
Ariano Irpino AV 9 22700 28934
Panni FG 10 804 29738
San Sossio Baronia AV 10 1643 31381
Flumeri AV 10 2963 34344
Greci AV 11 691 35035
Scampitella AV 11 1234 36269
Accadia FG 11 2376 38645
San Nicola Baronia AV 11 771 39416
Montaguto AV 11 423 39839
Vallesaccarda AV 11 1386 41225
Castel Baronia AV 12 1129 42354
Trevico AV 12 993 43347
Melito Irpino AV 14 1920 45267
Vallata AV 14 2714 47981
Carife AV 14 1408 49389
Montecalvo Irpino AV 15 3725 53114
Orsara di Puglia FG 15 2767 55881
Sant'Agata di Puglia FG 15 1959 57840
Grottaminarda AV 15 8137 65977
Bovino FG 16 3309 69286
Sturno AV 17 3080 72366
Deliceto FG 17 3828 76194
Bonito AV 18 2448 78642
Frigento AV 18 3780 82422
Castelfranco in Miscano BN 19 916 83338
Casalbore AV 19 1800 85138
Celle di San Vito FG 19 166 85304
Faeto FG 19 627 85931
Ginestra degli Schiavoni BN 19 476 86407
Gesualdo AV 20 3516 89923

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Benevento (60091 inhabitants)
43 Km NE of Avellino (54857 inhabitants)
44 Km SW of Foggia (151991 inhabitants)
60 Km W of Cerignola (58396 inhabitants)
61 Km S of San Severo (53905 inhabitants)
64 Km N of Battipaglia (50786 inhabitants)
65 Km NE of Salerno (135261 inhabitants)
66 Km NE of Cava de' Tirreni (53659 inhabitants)
73 Km NE of Scafati (50787 inhabitants)
73 Km E of Caserta (76326 inhabitants)
73 Km E of Acerra (59573 inhabitants)
77 Km NW of Potenza (67122 inhabitants)
79 Km E of Afragola (65057 inhabitants)
79 Km NE of Castellammare di Stabia (66466 inhabitants)
80 Km SW of Manfredonia (57279 inhabitants)
80 Km E of Portici (55274 inhabitants)
81 Km NE of Torre del Greco (86275 inhabitants)
81 Km E of Casoria (77642 inhabitants)
82 Km E of Ercolano (53709 inhabitants)
86 Km E of Aversa (53047 inhabitants)
87 Km E of Napoli (974074 inhabitants)
88 Km E of Giugliano in Campania (122974 inhabitants)
90 Km E of Marano di Napoli (59874 inhabitants)
92 Km W of Barletta (94814 inhabitants)
92 Km W of Andria (100440 inhabitants)
99 Km E of Pozzuoli (81661 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 2020-12-11
21:56:22		 41.1573 15.2023 23 2021-02-26
14:56:17		 Bollettino Sismico Italiano INGV 86831781
Reviewed
Rev100 		ML 1.4 2020-12-11
21:56:21		 41.17 15.2082 24 2020-12-11
23:12:21		 Sala Sismica INGV-Roma 85363991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-11 21:56:22 ± 0.13
Latitude 41.1573 ± 0.0045
Longitude 15.2023 ± 0.0072
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 86831781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 586
Semi-minor axis of confidence ellipse (meter) 249
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 283
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.08094
Epicentral distance of station farthest from the epicenter (degree) 0.72126
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 86831781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-04 16:03:51

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 85363991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-11 23:12:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGRT.HHN. 2020-12-11T21:56:35.80 1.0 undecidable manual P 34 80.0643 100 -0.15 22
IV.PSB1.HHZ. 2020-12-11T21:56:34.16 0.3 undecidable manual S 283 33.5442 118 -0.11 73
IV.CIGN.HHE. 2020-12-11T21:56:33.55 1.0 undecidable manual P 336 60.3951 104 0.56 20
OT.OT05.EHE. 2020-12-11T21:56:33.77 0.3 undecidable manual P 31 64.8906 103 0.12 67
OT.OT07.EHE. 2020-12-11T21:56:33.92 1.0 undecidable manual P 40 67.0773 103 -0.06 23
IV.SNAL.HHZ. 2020-12-11T21:56:32.92 0.3 undecidable manual S 179 25.752 126 0.42 68
IX.SALI.HNE.01 2020-12-11T21:56:32.37 0.6 undecidable manual S 184 25.2525 126 -0.04 49
IX.RSF3.HHE.02 2020-12-11T21:56:31.34 0.3 undecidable manual S 186 21.5673 132 -0.28 71
IV.MRB1.HHZ. 2020-12-11T21:56:31.46 0.6 undecidable manual S 259 19.9689 134 0.15 48
IV.SGTA.HHE. 2020-12-11T21:56:30.14 0.6 undecidable manual S 100 13.7751 145 -0.11 50
IV.CAFE.HHZ. 2020-12-11T21:56:30.59 0.6 undecidable manual S 169 14.6742 144 0.21 49
IX.SSB3.HHE.02 2020-12-11T21:56:29.72 0.3 undecidable manual S 166 8.9799 156 0.09 75
IV.SNAL.HHZ. 2020-12-11T21:56:28.11 0.1 undecidable manual P 179 25.752 126 0.04 98
IX.SALI.HNE.01 2020-12-11T21:56:28.22 0.3 undecidable manual P 184 25.2525 126 0.2 71
IV.PSB1.HHZ. 2020-12-11T21:56:28.74 0.3 undecidable manual P 283 33.5442 118 -0.35 69
IV.MRB1.HHZ. 2020-12-11T21:56:27.37 0.3 undecidable manual P 259 19.9689 134 -0.02 75
IX.RSF3.HHE.02 2020-12-11T21:56:27.34 0.3 undecidable manual P 186 21.5673 132 -0.22 72
IX.SSB3.HHE.02 2020-12-11T21:56:26.27 0.3 undecidable manual P 166 8.9799 156 -0.14 75
IV.SGTA.HHE. 2020-12-11T21:56:26.64 0.1 undecidable manual P 100 13.7751 145 -0.13 99
IV.CAFE.HHZ. 2020-12-11T21:56:26.89 0.1 undecidable manual P 169 14.6742 144 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAFE.HNN. ML:1.6 0.00020336047499999998 0.9344 AML other m 2020-12-11T21:56:29.61
IV.CAFE.HHE. ML:1.4 0.0001410545 0.2176 AML other m 2020-12-11T21:56:30.75
IV.CAFE.HNE. ML:1.4 0.00015306835 0.4 AML other m 2020-12-11T21:56:30.77
IV.MRB1.HNN. ML:1.5 0.00014749815 1.024 AML other m 2020-12-11T21:56:31.21
IV.CAFE.HHN. ML:1.2 0.00008156883 0.0384 AML other m 2020-12-11T21:56:31.67
IV.MRB1.HHE. ML:1.3 0.00011026586 0.2816 AML other m 2020-12-11T21:56:31.70
IV.MRB1.HHN. ML:1.4 0.000140415035 0.3968 AML other m 2020-12-11T21:56:31.72
IV.MRB1.HNE. ML:1.6 0.000207320585 1.3856 AML other m 2020-12-11T21:56:32.22
IV.PSB1.HHN. ML:1.1 0.00004356412 0.336 AML other m 2020-12-11T21:56:34.17
IV.SNAL.HHE. ML:1.3 0.000087742475 1.3504 AML other m 2020-12-11T21:56:34.20
IV.PSB1.HHE. ML:1.1 0.000041891900000000005 0.0352 AML other m 2020-12-11T21:56:34.36
IV.SNAL.HHN. ML:1.2 0.000072278625 0.624 AML other m 2020-12-11T21:56:34.32
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