Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.5 on date 18-03-1990 and time 10:17:13 (Italy) in region 1 km N Boscotrecase (NA)

A magnitude Md 2.5 earthquake occured in region: 1 km N Boscotrecase (NA), on

  • 18-03-1990 09:17:13 (UTC)
  • 18-03-1990 10:17:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.7870, 14.4620 at 5 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
Boscotrecase NA 1 10363 10363
Boscoreale NA 2 28072 38435
Trecase NA 3 9097 47532
Torre Annunziata NA 3 42789 90321
Terzigno NA 4 18968 109289
Pompei NA 5 25358 134647
San Giuseppe Vesuviano NA 7 30657 165304
Poggiomarino NA 7 21976 187280
Scafati SA 7 50787 238067
Ottaviano NA 7 23860 261927
Torre del Greco NA 8 86275 348202
Santa Maria la Carità NA 8 11722 359924
Somma Vesuviana NA 9 35233 395157
San Sebastiano al Vesuvio NA 10 9196 404353
Massa di Somma NA 10 5444 409797
Portici NA 10 55274 465071
Sant'Antonio Abate NA 10 19743 484814
San Gennaro Vesuviano NA 10 11966 496780
Ercolano NA 10 53709 550489
Angri SA 10 34002 584491
Striano NA 10 8397 592888
Sant'Anastasia NA 10 27671 620559
Castellammare di Stabia NA 10 66466 687025
Pollena Trocchia NA 11 13562 700587
San Marzano sul Sarno SA 11 10442 711029
Lettere NA 12 6188 717217
San Giorgio a Cremano NA 12 45557 762774
Casola di Napoli NA 12 3898 766672
Gragnano NA 12 29136 795808
San Valentino Torio SA 12 10947 806755
Cercola NA 12 18267 825022
Palma Campania NA 12 15978 841000
Sant'Egidio del Monte Albino SA 13 8909 849909
Corbara SA 13 2545 852454
Pimonte NA 13 5980 858434
Sarno SA 14 31529 889963
Vico Equense NA 14 20969 910932
Carbonara di Nola NA 14 2429 913361
Pagani SA 14 35834 949195
Volla NA 14 23755 972950
Saviano NA 15 15982 988932
Pomigliano d'Arco NA 15 39922 1028854
Scisciano NA 15 5994 1034848
Domicella AV 15 1862 1036710
Castello di Cisterna NA 15 7869 1044579
Brusciano NA 15 16466 1061045
San Vitaliano NA 15 6461 1067506
Marigliano NA 16 30157 1097663
Liveri NA 16 1607 1099270
Mariglianella NA 16 7787 1107057
San Paolo Bel Sito NA 16 3513 1110570
Nocera Inferiore SA 16 46043 1156613
Meta NA 16 8015 1164628
Marzano di Nola AV 16 1727 1166355
Nola NA 17 34431 1200786
Casalnuovo di Napoli NA 17 49855 1250641
Pago del Vallo di Lauro AV 17 1830 1252471
Piano di Sorrento NA 17 13109 1265580
Sant'Agnello NA 18 9122 1274702
Positano SA 18 3955 1278657
Lauro AV 18 3509 1282166
Quindici AV 18 1938 1284104
Agerola NA 18 7673 1291777
Cimitile NA 18 7280 1299057
Casamarciano NA 18 3289 1302346
Tramonti SA 18 4171 1306517
Taurano AV 18 1546 1308063
Nocera Superiore SA 18 24263 1332326
Visciano NA 19 4454 1336780
Napoli NA 19 974074 2310854
Sorrento NA 19 16679 2327533
Scala SA 19 1533 2329066
Acerra NA 19 59573 2388639
Moschiano AV 19 1673 2390312
Siano SA 20 9979 2400291
Camposano NA 20 5333 2405624
Ravello SA 20 2490 2408114
Casoria NA 20 77642 2485756
Roccapiemonte SA 20 9060 2494816
Afragola NA 20 65057 2559873
Furore SA 20 776 2560649
Comiziano NA 20 1814 2562463
Castel San Giorgio SA 20 13702 2576165

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km NW of Scafati (50787 inhabitants)
8 Km E of Torre del Greco (86275 inhabitants)
10 Km E of Portici (55274 inhabitants)
10 Km E of Ercolano (53709 inhabitants)
10 Km N of Castellammare di Stabia (66466 inhabitants)
19 Km E of Napoli (974074 inhabitants)
19 Km SE of Acerra (59573 inhabitants)
20 Km SE of Casoria (77642 inhabitants)
20 Km SE of Afragola (65057 inhabitants)
23 Km W of Cava de' Tirreni (53659 inhabitants)
26 Km SE of Marano di Napoli (59874 inhabitants)
27 Km SE of Giugliano in Campania (122974 inhabitants)
28 Km W of Salerno (135261 inhabitants)
30 Km SE of Aversa (53047 inhabitants)
32 Km W of Avellino (54857 inhabitants)
32 Km E of Pozzuoli (81661 inhabitants)
34 Km SE of Caserta (76326 inhabitants)
47 Km SW of Benevento (60091 inhabitants)
48 Km W 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 2.5
ML-VAX 1.6 		1990-03-18
09:17:13		 40.787 14.462 5 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 112249
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-03-18 09:17:13 ± 0.123
Latitude 40.7870 ± 0.0079
Longitude 14.4620 ± 0.0099
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 112249

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) 1211.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.00049
Epicentral distance of station farthest from the epicenter (degree) 0.00947
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 112249
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:44:19

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 112249
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(km) Takeoff_angle Residual Weight
--.MGR.Z. 1990-03-18T09:17:50.15 10.0 undecidable manual SG 127 1.0545 -0.12 0.4
--.SGO.Z. 1990-03-18T09:17:39.11 10.0 undecidable manual SG 109 0.6771 0.85 0.1
--.SGG.Z. 1990-03-18T09:17:38.30 10.0 undecidable manual SG! 354 0.5883 2.56 0
--.RFI.Z. 1990-03-18T09:17:37.29 10.0 undecidable manual SG 325 0.6216 0.77 0.1
--.MGR.Z. 1990-03-18T09:17:34.59 10.0 undecidable manual PG 127 1.0545 -0.15 1
--.SDI.Z. 1990-03-18T09:17:33.50 10.0 undecidable manual PG 332 1.0323 -1.03 0
--.SGO.Z. 1990-03-18T09:17:27.83 10.0 undecidable manual PG 109 0.6771 0.02 1.3
--.RFI.Z. 1990-03-18T09:17:27.32 10.0 undecidable manual PG 325 0.6216 0.52 0.6
--.SGG.Z. 1990-03-18T09:17:26.30 10.0 undecidable manual PG 354 0.5883 -0.05 1.4
--.BSS.Z. 1990-03-18T09:17:24.45 10.0 undecidable manual SG 92 0.2664 0.2 0.5
--.SOR.Z. 1990-03-18T09:17:22.80 10.0 undecidable manual SG 205 0.222 0.36 0.6
--.BSS.Z. 1990-03-18T09:17:19.55 10.0 undecidable manual PG 92 0.2664 -0.17 1.4
--.SOR.Z. 1990-03-18T09:17:18.50 10.0 negative manual PG 205 0.222 -0.18 2.8
--.OVO.Z. 1990-03-18T09:17:16.50 10.0 undecidable manual SG 308 0.0555 0 0.9
--.OVO.Z. 1990-03-18T09:17:15.40 10.0 negative manual PG 308 0.0555 0.15 2.8
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