Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.4 on date 05-10-1988 and time 04:24:25 (Italy) in region Golfo di Napoli e Capri (Napoli)

A magnitude Md 2.4 earthquake occured in region: Golfo di Napoli e Capri (Napoli), on

  • 05-10-1988 03:24:25 (UTC)
  • 05-10-1988 04:24:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.7540, 14.3320 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
Torre del Greco NA 5 86275 86275
Ercolano NA 6 53709 139984
Portici NA 8 55274 195258
San Giorgio a Cremano NA 9 45557 240815
Trecase NA 9 9097 249912
Torre Annunziata NA 10 42789 292701
San Sebastiano al Vesuvio NA 10 9196 301897
Massa di Somma NA 11 5444 307341
Boscotrecase NA 11 10363 317704
Napoli NA 12 974074 1291778
Cercola NA 12 18267 1310045
Boscoreale NA 12 28072 1338117
Pollena Trocchia NA 12 13562 1351679
Vico Equense NA 13 20969 1372648
Meta NA 14 8015 1380663
Sant'Anastasia NA 14 27671 1408334
Volla NA 14 23755 1432089
Castellammare di Stabia NA 14 66466 1498555
Pompei NA 14 25358 1523913
Sant'Agnello NA 14 9122 1533035
Sorrento NA 14 16679 1549714
Piano di Sorrento NA 15 13109 1562823
Terzigno NA 15 18968 1581791
Somma Vesuviana NA 16 35233 1617024
Santa Maria la Carità NA 16 11722 1628746
Massa Lubrense NA 16 14243 1642989
Ottaviano NA 16 23860 1666849
Scafati SA 16 50787 1717636
Casavatore NA 17 18661 1736297
Casoria NA 17 77642 1813939
San Giuseppe Vesuviano NA 17 30657 1844596
Gragnano NA 18 29136 1873732
Pimonte NA 18 5980 1879712
Pomigliano d'Arco NA 18 39922 1919634
Casola di Napoli NA 18 3898 1923532
Casalnuovo di Napoli NA 18 49855 1973387
Arzano NA 18 34886 2008273
Poggiomarino NA 18 21976 2030249
Sant'Antonio Abate NA 19 19743 2049992
Lettere NA 19 6188 2056180
Afragola NA 19 65057 2121237
Positano SA 19 3955 2125192
Castello di Cisterna NA 19 7869 2133061

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km SW of Torre del Greco (86275 inhabitants)
6 Km S of Ercolano (53709 inhabitants)
8 Km S of Portici (55274 inhabitants)
12 Km SE of Napoli (974074 inhabitants)
14 Km W of Castellammare di Stabia (66466 inhabitants)
16 Km W of Scafati (50787 inhabitants)
17 Km S of Casoria (77642 inhabitants)
19 Km S of Afragola (65057 inhabitants)
20 Km SE of Marano di Napoli (59874 inhabitants)
22 Km S of Acerra (59573 inhabitants)
22 Km SE of Giugliano in Campania (122974 inhabitants)
23 Km E of Pozzuoli (81661 inhabitants)
27 Km SE of Aversa (53047 inhabitants)
32 Km W of Cava de' Tirreni (53659 inhabitants)
36 Km S of Caserta (76326 inhabitants)
37 Km W of Salerno (135261 inhabitants)
43 Km W of Avellino (54857 inhabitants)
56 Km SW of Benevento (60091 inhabitants)
57 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 2.4 1988-10-05
03:24:25		 40.754 14.332 5 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 78269
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-10-05 03:24:25 ± 0.646
Latitude 40.7540 ± 0.0498
Longitude 14.3320 ± 0.0471
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 78269

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) 6816.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 211
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00332
Epicentral distance of station farthest from the epicenter (degree) 0.00996
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 78269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:13:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MGR.Z. 1988-10-05T03:25:03.97 10.0 undecidable manual SN 123 1.11 0.36 0.6
--.SGO.Z. 1988-10-05T03:24:51.47 10.0 undecidable manual SG 104 0.7659 -1.2 0.3
--.MGR.Z. 1988-10-05T03:24:48.37 10.0 undecidable manual PN 123 1.11 0.97 0.8
--.SDI.Z. 1988-10-05T03:24:45.58 10.0 positive manual PG 338 1.0212 -0.46 2.8
--.BSS.Z. 1988-10-05T03:24:40.49 10.0 undecidable manual SG 87 0.3663 0.79 0.5
--.SGO.Z. 1988-10-05T03:24:39.61 10.0 undecidable manual PG 104 0.7659 -1.47 0.4
--.RFI.Z. 1988-10-05T03:24:38.90 10.0 undecidable manual PG 334 0.5994 0.76 1.3
--.BSS.Z. 1988-10-05T03:24:34.27 10.0 undecidable manual PG 87 0.3663 0.67 1.4
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