Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 20-11-2019 and time 22:13:08 (Italy) in region 3 km NW Ariano Irpino (AV)

A magnitude ML 1.5 earthquake occured in region: 3 km NW Ariano Irpino (AV), on

  • 20-11-2019 21:13:08 (UTC)
  • 20-11-2019 22:13:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.1690, 15.0580 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ariano Irpino AV 3 22700 22700
Montecalvo Irpino AV 4 3725 26425
Melito Irpino AV 7 1920 28345
Casalbore AV 9 1800 30145
Bonito AV 9 2448 32593
Buonalbergo BN 9 1730 34323
Villanova del Battista AV 10 1690 36013
Sant'Arcangelo Trimonte BN 10 573 36586
Grottaminarda AV 11 8137 44723
Apice BN 12 5686 50409
Savignano Irpino AV 12 1140 51549
Ginestra degli Schiavoni BN 13 476 52025
Zungoli AV 13 1099 53124
Greci AV 13 691 53815
Flumeri AV 13 2963 56778
Paduli BN 14 3978 60756
Castelfranco in Miscano BN 15 916 61672
Mirabella Eclano AV 15 7684 69356
San Giorgio La Molara BN 16 2994 72350
San Sossio Baronia AV 17 1643 73993
Fontanarosa AV 17 3170 77163
Sturno AV 17 3080 80243
San Nicola Baronia AV 17 771 81014
Monteleone di Puglia FG 17 1021 82035
Castel Baronia AV 17 1129 83164
Pietrelcina BN 18 3114 86278
Frigento AV 18 3780 90058
Pago Veiano BN 18 2406 92464
Venticano AV 18 2537 95001
Gesualdo AV 18 3516 98517
Montefalcone di Val Fortore BN 18 1525 100042
Montaguto AV 19 423 100465
Molinara BN 19 1618 102083
Sant'Angelo all'Esca AV 19 801 102884
Calvi BN 19 2682 105566
Panni FG 19 804 106370
Faeto FG 19 627 106997
Taurasi AV 20 2377 109374
Trevico AV 20 993 110367
Vallesaccarda AV 20 1386 111753

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Benevento (60091 inhabitants)
36 Km NE of Avellino (54857 inhabitants)
52 Km SW of Foggia (151991 inhabitants)
60 Km NE of Cava de' Tirreni (53659 inhabitants)
60 Km NE of Salerno (135261 inhabitants)
62 Km E of Caserta (76326 inhabitants)
63 Km E of Acerra (59573 inhabitants)
63 Km N of Battipaglia (50786 inhabitants)
64 Km SW of San Severo (53905 inhabitants)
65 Km NE of Scafati (50787 inhabitants)
68 Km E of Afragola (65057 inhabitants)
70 Km NE of Portici (55274 inhabitants)
71 Km E of Casoria (77642 inhabitants)
72 Km NE of Castellammare di Stabia (66466 inhabitants)
72 Km W of Cerignola (58396 inhabitants)
72 Km NE of Ercolano (53709 inhabitants)
72 Km NE of Torre del Greco (86275 inhabitants)
75 Km E of Aversa (53047 inhabitants)
77 Km E of Giugliano in Campania (122974 inhabitants)
77 Km E of Napoli (974074 inhabitants)
79 Km E of Marano di Napoli (59874 inhabitants)
86 Km NW of Potenza (67122 inhabitants)
88 Km SW of Manfredonia (57279 inhabitants)
89 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 1.5 2019-11-20
21:13:08		 41.1688 15.0577 23 2020-02-28
16:42:08		 Bollettino Sismico Italiano INGV 73945951
Reviewed
Rev100 		ML 1.5 2019-11-20
21:13:08		 41.1688 15.0577 23 2019-11-20
22:10:10		 Sala Sismica INGV-Roma 73939431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-20 21:13:08 ± 0.1
Latitude 41.1688 ± 0.0036
Longitude 15.0577 ± 0.0060
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 73945951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 540
Semi-minor axis of confidence ellipse (meter) 102
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 56
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53959
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 73939431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-20 22:10:10

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 73945951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-21 07:30:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MILN.HNZ. 2019-11-20T21:14:19.07 3.0 undecidable manual Pn 3.28 0
IV.FIR.HHZ. 2019-11-20T21:13:55.42 3.0 negative manual Pg 9.38 0
IV.GRI.EHZ. 2019-11-20T21:13:53.96 3.0 undecidable manual Pg 10.46 0
IV.MRVN.HHZ. 2019-11-20T21:13:43.94 3.0 undecidable manual Sg 5.62 0
IV.MELA.HNE. 2019-11-20T21:13:27.45 0.6 undecidable manual S 6 59.8956 104 -0.23 46
IV.MNTT.EHZ. 2019-11-20T21:13:24.00 3.0 negative manual Pn 0.02 0
OT.OT11.EHE. 2019-11-20T21:13:23.73 0.6 undecidable manual S 31 44.8218 109 -0.09 48
IV.SACR.HNZ. 2019-11-20T21:13:22.61 0.6 undecidable manual S 311 38.7279 113 0.29 46
IV.VITU.HHN. 2019-11-20T21:13:21.38 1.0 undecidable manual S 273 35.742 115 -0.19 23
IX.SALI.HNE.01 2019-11-20T21:13:20.00 1.0 undecidable manual S 159 28.4493 121 0.16 24
IV.SNAL.HHZ. 2019-11-20T21:13:20.48 0.3 undecidable manual S 155 29.8479 120 0.31 70
IV.MTMR.EHZ. 2019-11-20T21:13:19.56 1.0 undecidable manual S 189 28.1496 122 -0.22 24
IV.MELA.HNE. 2019-11-20T21:13:19.39 0.3 undecidable manual P 6 59.8956 104 -0.35 66
IV.SGTA.HNZ. 2019-11-20T21:13:19.57 0.6 undecidable manual S 98 25.9518 124 0.28 47
IV.BSSO.HNN. 2019-11-20T21:13:19.60 0.1 undecidable manual P 317 56.8986 104 0.3 89
IX.RSF3.HNZ.02 2019-11-20T21:13:18.84 0.3 undecidable manual S 156 24.753 126 -0.19 72
IV.CAFE.HHZ. 2019-11-20T21:13:18.31 0.3 undecidable manual S 136 21.6672 130 -0.06 75
IX.SSB3.HHE.02 2019-11-20T21:13:17.90 0.6 undecidable manual S 125 17.4714 137 0.32 47
OT.OT11.EHE. 2019-11-20T21:13:17.70 1.0 undecidable manual P 31 44.8218 109 0.2 23
IV.GATE.HHE. 2019-11-20T21:13:17.27 1.0 undecidable manual P 342 40.1265 112 0.44 22
IV.VITU.HHN. 2019-11-20T21:13:16.19 0.6 undecidable manual P 273 35.742 115 -0.02 49
IV.SACR.HNZ. 2019-11-20T21:13:16.81 0.1 undecidable manual P 311 38.7279 113 0.17 95
IV.BIOG.HNE. 2019-11-20T21:13:16.28 0.6 undecidable manual S 61 7.1928 160 0.17 50
IV.MRB1.HHZ. 2019-11-20T21:13:16.17 0.6 undecidable manual S 236 9.0798 155 -0.14 50
IV.SNAL.HHZ. 2019-11-20T21:13:15.47 0.1 negative manual P 155 29.8479 120 0.07 98
IV.MTMR.EHZ. 2019-11-20T21:13:15.28 0.1 undecidable manual P 189 28.1496 122 0.1 98
IX.SALI.HNE.01 2019-11-20T21:13:15.39 1.0 undecidable manual P 159 28.4493 121 0.18 24
IV.CAFE.HHZ. 2019-11-20T21:13:14.45 0.1 undecidable manual P 136 21.6672 130 0.09 99
IV.SGTA.HNZ. 2019-11-20T21:13:14.73 0.1 undecidable manual P 98 25.9518 124 -0.17 97
IX.SSB3.HHE.02 2019-11-20T21:13:14.04 0.1 undecidable manual P 125 17.4714 137 0.14 99
IX.RSF3.HNZ.02 2019-11-20T21:13:14.33 0.3 undecidable manual P 156 24.753 126 -0.41 69
IV.MRB1.HHZ. 2019-11-20T21:13:13.03 0.1 undecidable manual P 236 9.0798 155 -0.14 100
IV.BIOG.HNE. 2019-11-20T21:13:12.58 0.1 positive manual P 61 7.1928 160 -0.48 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRB1.HHN. ML:1.4 0.0001586661 0.3712 AML other m 2019-11-20T21:13:18.89
IV.MRB1.HNN. ML:1.4 0.00017562444999999997 0.3584 AML other m 2019-11-20T21:13:18.89
IV.CAFE.HNE. ML:1.6 0.00018518467 0.2176 AML other m 2019-11-20T21:13:19.13
IV.CAFE.HHE. ML:1.6 0.0001775344 0.2048 AML other m 2019-11-20T21:13:19.12
IV.CAFE.HHN. ML:1.8 0.0002750775 0.3456 AML other m 2019-11-20T21:13:19.00
IV.CAFE.HNN. ML:1.8 0.00032250089999999996 1.6032 AML other m 2019-11-20T21:13:19.00
IV.MRB1.HNE. ML:1.4 0.00015050581500000002 0.4096 AML other m 2019-11-20T21:13:19.69
IV.MRB1.HHE. ML:1.4 0.00019229415 0.1248 AML other m 2019-11-20T21:13:19.69
IV.SNAL.HHN. ML:1.5 0.00013644935 0.7072 AML other m 2019-11-20T21:13:19.99
IV.MTMR.EHN. ML:0.8 0.000026060799999999996 0.1792 AML other m 2019-11-20T21:13:20.04
IV.SNAL.HNN. ML:1.6 0.00015045566 0.4608 AML other m 2019-11-20T21:13:20.95
IV.SNAL.HNE. ML:1.3 0.00007620378999999999 0.1408 AML other m 2019-11-20T21:13:20.86
IV.SNAL.HHE. ML:1.6 0.000147824725 1.7056 AML other m 2019-11-20T21:13:21.95
IV.MTMR.EHE. ML:0.9 0.00003372853 0.1536 AML other m 2019-11-20T21:13:21.60
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