Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 09-07-2020 and time 22:18:04 (Italy) in region 1 km SE Arpaia (BN)

A magnitude ML 1.4 earthquake occured in region: 1 km SE Arpaia (BN), on

  • 09-07-2020 20:18:04 (UTC)
  • 09-07-2020 22:18:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.0320, 14.5610 at 6 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
Arpaia BN 1 1992 1992
Paolisi BN 2 2072 4064
Forchia BN 2 1235 5299
Rotondi AV 3 3591 8890
Airola BN 4 8195 17085
Cervinara AV 5 9658 26743
Bucciano BN 5 2100 28843
Moiano BN 5 4094 32937
Arienzo CE 6 5365 38302
Roccarainola NA 7 7082 45384
Bonea BN 7 1448 46832
San Felice a Cancello CE 7 17568 64400
Montesarchio BN 8 13500 77900
Cicciano NA 8 12906 90806
Santa Maria a Vico CE 8 14022 104828
Sant'Agata de' Goti BN 8 11216 116044
Tufino NA 8 3776 119820
Avella AV 9 7890 127710
San Martino Valle Caudina AV 9 4884 132594
Comiziano NA 9 1814 134408
Camposano NA 9 5333 139741
Sperone AV 10 3706 143447
Durazzano BN 10 2230 145677
Baiano AV 10 4718 150395
Cimitile NA 11 7280 157675
Sirignano AV 11 2933 160608
Casamarciano NA 11 3289 163897
Quadrelle AV 11 1865 165762
Cervino CE 11 5031 170793
Nola NA 12 34431 205224
Tocco Caudio BN 12 1508 206732
Pannarano BN 12 2130 208862
Visciano NA 12 4454 213316
Mugnano del Cardinale AV 12 5373 218689
Valle di Maddaloni CE 13 2742 221431
Roccabascerana AV 13 2354 223785
Campoli del Monte Taburno BN 13 1546 225331
San Paolo Bel Sito NA 13 3513 228844
San Vitaliano NA 14 6461 235305
Apollosa BN 14 2658 237963
Saviano NA 14 15982 253945
Scisciano NA 14 5994 259939
Frasso Telesino BN 14 2318 262257
Liveri NA 14 1607 263864
Cautano BN 15 2044 265908
Dugenta BN 15 2798 268706
Marigliano NA 15 30157 298863
Marzano di Nola AV 15 1727 300590
Maddaloni CE 15 39166 339756
Pietrastornina AV 15 1553 341309
Melizzano BN 15 1858 343167
Pago del Vallo di Lauro AV 15 1830 344997
Arpaise BN 15 761 345758
Mariglianella NA 16 7787 353545
Sant'Angelo a Scala AV 16 730 354275
Foglianise BN 17 3385 357660
Castelpoto BN 17 1254 358914
Ceppaloni BN 17 3415 362329
Brusciano NA 17 16466 378795
Domicella AV 17 1862 380657
San Leucio del Sannio BN 17 3106 383763
Carbonara di Nola NA 17 2429 386192
Vitulano BN 17 2944 389136
Taurano AV 18 1546 390682
Solopaca BN 18 3820 394502
Castello di Cisterna NA 18 7869 402371
Lauro AV 18 3509 405880
Summonte AV 18 1583 407463
San Marco Evangelista CE 18 6532 413995
Palma Campania NA 18 15978 429973
Altavilla Irpina AV 18 4196 434169
Limatola BN 19 4073 438242
Acerra NA 19 59573 497815
Ospedaletto d'Alpinolo AV 19 2145 499960
San Gennaro Vesuviano NA 19 11966 511926
Castel Campagnano CE 19 1581 513507
Mercogliano AV 19 12267 525774
Moschiano AV 19 1673 527447
Chianche AV 19 475 527922
San Nicola la Strada CE 19 22448 550370
Castel Morrone CE 20 3858 554228
Caserta CE 20 76326 630554
Pomigliano d'Arco NA 20 39922 670476
Capriglia Irpina AV 20 2398 672874
Petruro Irpino AV 20 349 673223
Torrecuso BN 20 3407 676630

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NE of Acerra (59573 inhabitants)
20 Km E of Caserta (76326 inhabitants)
22 Km SW of Benevento (60091 inhabitants)
24 Km NW of Avellino (54857 inhabitants)
24 Km NE of Afragola (65057 inhabitants)
27 Km NE of Casoria (77642 inhabitants)
29 Km NE of Portici (55274 inhabitants)
30 Km E of Aversa (53047 inhabitants)
31 Km NE of Ercolano (53709 inhabitants)
32 Km N of Scafati (50787 inhabitants)
32 Km NE of Torre del Greco (86275 inhabitants)
32 Km E of Giugliano in Campania (122974 inhabitants)
34 Km NE of Napoli (974074 inhabitants)
34 Km E of Marano di Napoli (59874 inhabitants)
38 Km N of Castellammare di Stabia (66466 inhabitants)
39 Km NW of Cava de' Tirreni (53659 inhabitants)
43 Km NW of Salerno (135261 inhabitants)
44 Km E of Pozzuoli (81661 inhabitants)
59 Km NW of Battipaglia (50786 inhabitants)
95 Km SW of Foggia (151991 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 1.4 2020-07-09
20:18:04		 41.0323 14.5612 6 2020-11-19
12:36:53		 Bollettino Sismico Italiano INGV 81104231
Reviewed
Rev100 		ML 1.4 2020-07-09
20:18:04		 41.0323 14.5483 5 2020-07-09
20:32:04		 Sala Sismica INGV-Roma 80913841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-09 20:18:04 ± 0.13
Latitude 41.0323 ± 0.0072
Longitude 14.5612 ± 0.0179
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81104231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1590
Semi-minor axis of confidence ellipse (meter) 318
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 108
Circular confidence region, given by single value of horizontal uncertainty (meter) 1590.0
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 29
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46225
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 81104231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-15 17:56:14

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 80913841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-09 20:32:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.KLV.HHZ. 2020-07-09T20:19:53.32 3.0 negative manual Pg 19.18 0
IV.SCIAC.HHZ. 2020-07-09T20:19:38.87 3.0 undecidable manual Sn -0.54 0
ST.OZOL.EHZ. 2020-07-09T20:19:26.25 3.0 undecidable manual Pn -0.69 0
IV.SEI.HHZ. 2020-07-09T20:19:09.85 3.0 undecidable manual Pg 11.45 0
IV.SCIAC.HHZ. 2020-07-09T20:19:01.52 3.0 undecidable manual Pg 5.16 0
IV.APEC.HHZ. 2020-07-09T20:18:59.18 3.0 undecidable manual Pg 12.64 0
IV.HPAC.HHZ. 2020-07-09T20:18:58.15 3.0 undecidable manual Pn -6.44 0
IV.CRTC.HHZ. 2020-07-09T20:18:46.75 3.0 positive manual Pn 0.12 0
XK.SELL.HHZ. 2020-07-09T20:18:39.76 3.0 negative manual Pg -0.02 0
IV.ROSPO.HHZ. 2020-07-09T20:18:21.91 3.0 undecidable manual Pg 0.5 0
IV.VTIR.HHZ. 2020-07-09T20:18:14.09 0.6 undecidable manual S 205 27.6501 103 0.24 46
IX.NSC3.HHN. 2020-07-09T20:18:13.57 0.3 undecidable manual P 113 51.3153 50 -0.38 64
IV.VBKN.HHZ. 2020-07-09T20:18:13.43 0.3 undecidable manual S 206 24.9528 104 0.46 66
IV.VVDG.HHE. 2020-07-09T20:18:13.29 0.6 undecidable manual S 208 24.6531 104 0.43 44
IV.VAGA.HHE. 2020-07-09T20:18:13.88 0.3 undecidable manual P 327 50.5161 50 0.06 69
IV.SACR.HHE. 2020-07-09T20:18:12.25 0.6 undecidable manual P 17 42.2244 50 -0.3 44
IV.SGG.HHZ. 2020-07-09T20:18:12.72 0.3 undecidable manual P 339 42.1245 50 0.19 68
IV.VITU.HHZ. 2020-07-09T20:18:11.96 0.6 undecidable manual S 19 17.6712 110 1.41 29
IV.PIGN.HHZ. 2020-07-09T20:18:10.40 0.3 undecidable manual P 300 36.9297 100 -1.12 49
IV.CRTO.HHE. 2020-07-09T20:18:10.00 0.3 undecidable manual P 206 26.1516 104 0.59 63
IV.VBKN.HHZ. 2020-07-09T20:18:09.08 0.1 undecidable manual P 206 24.9528 104 -0.1 95
IV.VCRE.HHZ. 2020-07-09T20:18:09.34 0.3 undecidable manual P 205 26.0517 104 -0.04 72
IV.VTIR.HHZ. 2020-07-09T20:18:09.54 0.3 undecidable manual P 205 27.6501 103 -0.16 70
IV.VVDG.HHE. 2020-07-09T20:18:09.08 0.3 undecidable manual P 208 24.6531 104 -0.04 72
IV.VITU.HHZ. 2020-07-09T20:18:08.12 0.3 undecidable manual P 19 17.6712 110 0.33 69
IV.NL9.EHZ. 2020-07-09T20:18:08.69 0.3 undecidable manual S 186 12.4764 117 -0.19 72
IV.NL9.EHZ. 2020-07-09T20:18:06.63 0.3 undecidable manual P 186 12.4764 117 -0.19 72
IV.PAOL.HHZ. 2020-07-09T20:18:05.23 0.1 negative manual P 103 0.5994 175 -0.07 100
IV.PAOL.HHZ. 2020-07-09T20:18:05.92 0.3 undecidable manual S 103 0.5994 175 -0.31 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VITU.HHE. ML:1.5 0.00027350000000000003 1.26 AML other m 2020-07-09T20:18:14.26
IV.VITU.HHN. ML:1.7 0.000418 1.58 AML other m 2020-07-09T20:18:17.17
IV.VBKN.HHE. ML:1.9 0.00047299999999999995 0.86 AML other m 2020-07-09T20:18:18.96
IV.PIGN.HHE. ML:1.1 0.00005 0.62 AML other m 2020-07-09T20:18:19.58
IV.PIGN.HHN. ML:1.0 0.000035749999999999995 0.94 AML other m 2020-07-09T20:18:20.39
IV.VBKN.HHN. ML:1.8 0.0003755 1.1 AML other m 2020-07-09T20:18:22.75
IV.SGG.HHN. ML:1.1 0.000045350000000000005 0.5 AML other m 2020-07-09T20:18:23.82
IV.SGG.HHE. ML:1.1 0.000038 1.4 AML other m 2020-07-09T20:18:24.84
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