Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 3.4 on date 09-10-1999 and time 07:41:05 (Italy) in region 3 km SW Ottaviano (NA)

A magnitude Md 3.4 earthquake occured in region: 3 km SW Ottaviano (NA), on

  • 09-10-1999 05:41:05 (UTC)
  • 09-10-1999 07:41:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.84, 14.45 at 4 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
Ottaviano NA 3 23860 23860
Somma Vesuviana NA 4 35233 59093
San Giuseppe Vesuviano NA 5 30657 89750
Terzigno NA 5 18968 108718
Sant'Anastasia NA 5 27671 136389
Massa di Somma NA 6 5444 141833
Pollena Trocchia NA 6 13562 155395
San Sebastiano al Vesuvio NA 7 9196 164591
Boscotrecase NA 7 10363 174954
Boscoreale NA 7 28072 203026
San Gennaro Vesuviano NA 7 11966 214992
Trecase NA 8 9097 224089
Cercola NA 8 18267 242356
Portici NA 8 55274 297630
Poggiomarino NA 9 21976 319606
Torre Annunziata NA 9 42789 362395
Torre del Greco NA 9 86275 448670
Pomigliano d'Arco NA 9 39922 488592
Ercolano NA 9 53709 542301
Scisciano NA 9 5994 548295
Castello di Cisterna NA 10 7869 556164
Palma Campania NA 10 15978 572142
Brusciano NA 10 16466 588608
Saviano NA 10 15982 604590
San Giorgio a Cremano NA 10 45557 650147
Marigliano NA 10 30157 680304
Volla NA 10 23755 704059
Mariglianella NA 10 7787 711846
San Vitaliano NA 10 6461 718307
Pompei NA 11 25358 743665
Striano NA 11 8397 752062
Carbonara di Nola NA 12 2429 754491
Scafati SA 12 50787 805278
Casalnuovo di Napoli NA 12 49855 855133
Nola NA 12 34431 889564
San Paolo Bel Sito NA 12 3513 893077
Liveri NA 12 1607 894684
Domicella AV 13 1862 896546
Cimitile NA 13 7280 903826
Marzano di Nola AV 13 1727 905553
San Marzano sul Sarno SA 14 10442 915995
San Valentino Torio SA 14 10947 926942
Acerra NA 14 59573 986515
Casamarciano NA 14 3289 989804
Santa Maria la Carità NA 14 11722 1001526
Sarno SA 15 31529 1033055
Angri SA 15 34002 1067057
Camposano NA 15 5333 1072390
Pago del Vallo di Lauro AV 15 1830 1074220
Afragola NA 15 65057 1139277
Visciano NA 15 4454 1143731
Sant'Antonio Abate NA 15 19743 1163474
Casoria NA 15 77642 1241116
Comiziano NA 15 1814 1242930
Lauro AV 16 3509 1246439
Castellammare di Stabia NA 16 66466 1312905
Cicciano NA 16 12906 1325811
Casavatore NA 16 18661 1344472
Tufino NA 16 3776 1348248
Taurano AV 17 1546 1349794
Napoli NA 17 974074 2323868
Lettere NA 17 6188 2330056
Sant'Egidio del Monte Albino SA 17 8909 2338965
Quindici AV 17 1938 2340903
Arzano NA 17 34886 2375789
Casola di Napoli NA 17 3898 2379687
Gragnano NA 17 29136 2408823
Corbara SA 18 2545 2411368
Roccarainola NA 18 7082 2418450
Cardito NA 18 22755 2441205
Pagani SA 18 35834 2477039
Moschiano AV 18 1673 2478712
Caivano NA 18 37879 2516591
Sperone AV 18 3706 2520297
Avella AV 19 7890 2528187
Frattamaggiore NA 19 30329 2558516
Crispano NA 19 12354 2570870
Pimonte NA 19 5980 2576850
Baiano AV 19 4718 2581568
Nocera Inferiore SA 19 46043 2627611
Vico Equense NA 19 20969 2648580
Sirignano AV 20 2933 2651513
Grumo Nevano NA 20 18061 2669574
San Felice a Cancello CE 20 17568 2687142
Mugnano del Cardinale AV 20 5373 2692515
Casandrino NA 20 14336 2706851
Frattaminore NA 20 16208 2723059

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km E of Portici (55274 inhabitants)
9 Km NE of Torre del Greco (86275 inhabitants)
9 Km E of Ercolano (53709 inhabitants)
12 Km NW of Scafati (50787 inhabitants)
14 Km SE of Acerra (59573 inhabitants)
15 Km SE of Afragola (65057 inhabitants)
15 Km SE of Casoria (77642 inhabitants)
16 Km N of Castellammare di Stabia (66466 inhabitants)
17 Km E of Napoli (974074 inhabitants)
23 Km E of Marano di Napoli (59874 inhabitants)
23 Km E of Giugliano in Campania (122974 inhabitants)
25 Km SE of Aversa (53047 inhabitants)
26 Km NW of Cava de' Tirreni (53659 inhabitants)
28 Km SE of Caserta (76326 inhabitants)
30 Km E of Pozzuoli (81661 inhabitants)
30 Km W of Avellino (54857 inhabitants)
32 Km NW of Salerno (135261 inhabitants)
43 Km SW of Benevento (60091 inhabitants)
52 Km NW of Battipaglia (50786 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 		Md 3.4
ML-VAX 2.1 		1999-10-09
05:41:05		 40.84 14.45 4 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 374819
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-10-09 05:41:05 ± 0.21
Latitude 40.84 ± 0.01
Longitude 14.45 ± 0.01
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 374819

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 1166.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 164
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00332
Epicentral distance of station farthest from the epicenter (degree) 0.0272
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

Md:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 374819
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:51:54

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 374819
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SOI.Z. 1999-10-09T05:41:54.28 10.0 undecidable manual PN 155 0.0272 0.15 0.9
--.NRCA.Z. 1999-10-09T05:41:43.00 10.0 undecidable manual PN 334 0.02 -0.16 1.1
--.MNS.Z. 1999-10-09T05:41:41.00 10.0 undecidable manual PN 320 0.0183 0.51 0.7
--.SL9.Z. 1999-10-09T05:41:41.53 10.0 undecidable manual SG 116 0.009 0.71 0.2
--.SDI.Z. 1999-10-09T05:41:40.30 10.0 undecidable manual SG 331 0.0089 -0.52 0.4
--.ORI.Z. 1999-10-09T05:41:38.43 10.0 undecidable manual PN! 116 0.0153 2.41 0
--.TDS.Z. 1999-10-09T05:41:38.00 10.0 undecidable manual PN 128 0.0167 -0.1 1.3
--.CRVI.Z. 1999-10-09T05:41:37.00 10.0 undecidable manual SG 353 0.008 -0.24 0.7
--.LT9.Z. 1999-10-09T05:41:37.00 10.0 undecidable manual PN 96 0.0163 -0.39 1
--.AQU.Z. 1999-10-09T05:41:36.00 10.0 undecidable manual PN 333 0.0153 0.02 1.4
--.RVI2.Z. 1999-10-09T05:41:36.30 10.0 undecidable manual SG 337 0.0076 0.26 0.7
--.FG5.Z. 1999-10-09T05:41:33.00 10.0 undecidable manual SG 54 0.0068 -0.01 0.8
--.CA9.Z. 1999-10-09T05:41:33.32 10.0 undecidable manual SG 85 0.0067 0.58 0.4
--.MU9.Z. 1999-10-09T05:41:33.30 10.0 undecidable manual SG 95 0.007 -0.96 0.1
--.PQ9.Z. 1999-10-09T05:41:32.00 10.0 undecidable manual PN 326 0.0127 -0.07 1.6
--.SGO.Z. 1999-10-09T05:41:31.89 10.0 undecidable manual SG 113 0.0063 0.56 0.4
--.BAI2.Z. 1999-10-09T05:41:30.29 10.0 undecidable manual SG 6 0.0061 -0.01 0.8
--.RGNG.Z. 1999-10-09T05:41:28.45 10.0 undecidable manual PN 45 0.0107 -0.51 1
--.RFI.Z. 1999-10-09T05:41:27.34 10.0 undecidable manual SG 323 0.0052 0.09 0.8
--.SMB1.Z. 1999-10-09T05:41:27.30 10.0 undecidable manual SG 19 0.0053 -0.6 0.4
--.SL9.Z. 1999-10-09T05:41:25.56 10.0 undecidable manual PG 116 0.009 -0.36 1.4
--.RNI2.Z. 1999-10-09T05:41:24.82 10.0 undecidable manual PG 345 0.008 0.94 0.3
--.FG4.Z. 1999-10-09T05:41:24.60 10.0 undecidable manual PG 69 0.0077 0.84 0.4
--.SDI.Z. 1999-10-09T05:41:24.84 10.0 undecidable manual PG 331 0.0089 -0.93 0.3
--.PSB1.Z. 1999-10-09T05:41:23.53 10.0 undecidable manual SG 35 0.0042 -0.22 0.7
--.RVI2.Z. 1999-10-09T05:41:23.30 10.0 undecidable manual PG 337 0.0076 0.02 2
--.CRVI.Z. 1999-10-09T05:41:23.77 10.0 undecidable manual PG 353 0.008 -0.09 1.9
--.MU9.Z. 1999-10-09T05:41:23.30 10.0 undecidable manual PG 95 0.007 1.05 0.2
--.MAB1.Z. 1999-10-09T05:41:22.64 10.0 undecidable manual SG 4 0.0037 0.74 0.2
--.FG5.Z. 1999-10-09T05:41:22.60 10.0 undecidable manual PG 54 0.0068 0.64 0.8
--.CI9.Z. 1999-10-09T05:41:22.36 10.0 undecidable manual SG 86 0.0039 -0.01 0.8
--.CPI2.Z. 1999-10-09T05:41:21.54 10.0 undecidable manual PG 352 0.0067 0.24 1.7
--.VTB1.Z. 1999-10-09T05:41:20.70 10.0 undecidable manual SG 21 0.0033 0.14 0.8
--.BAI2.Z. 1999-10-09T05:41:20.70 10.0 undecidable manual PG 6 0.0061 0.22 1.8
--.CA9.Z. 1999-10-09T05:41:20.57 10.0 undecidable manual PG 85 0.0067 -0.69 0.7
--.SGO.Z. 1999-10-09T05:41:19.87 10.0 undecidable manual PG 113 0.0063 -0.57 1
--.SMB1.Z. 1999-10-09T05:41:18.11 10.0 undecidable manual PG 19 0.0053 -0.2 1.8
--.RFI.Z. 1999-10-09T05:41:18.80 10.0 undecidable manual PG 323 0.0052 -0.01 2
--.PSB1.Z. 1999-10-09T05:41:16.17 10.0 undecidable manual PG 35 0.0042 0.1 1.9
--.CI9.Z. 1999-10-09T05:41:15.30 10.0 negative manual PG 86 0.0039 -0.24 3.5
--.MAB1.Z. 1999-10-09T05:41:14.66 10.0 undecidable manual PG 4 0.0037 -0.34 1.5
--.VTB1.Z. 1999-10-09T05:41:13.62 10.0 undecidable manual PG 21 0.0033 -0.24 1.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download