Earthquake with magnitude of Md 1.5 on date 15-10-2020 and time 22:05:53 (UTC) in region Ischia e costa Flegrea (Napoli)

A magnitude Md 1.5 earthquake occured in region: Ischia e costa Flegrea (Napoli), on

  • 15-10-2020 22:05:53 (UTC)
  • 16-10-2020 00:05:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.81, 14.11 at 4 km depth.

The earthquake was located by: Sala Operativa INGV_OV (Napoli).

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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bacoli NA 3 26560 26560
Pozzuoli NA 5 81661 108221
Monte di Procida NA 5 12886 121107
Quarto NA 8 40930 162037
Procida NA 9 10530 172567
Marano di Napoli NA 12 59874 232441
Napoli NA 12 974074 1206515
Calvizzano NA 13 12329 1218844
Qualiano NA 13 25702 1244546
Mugnano di Napoli NA 14 34828 1279374
Villaricca NA 14 31122 1310496
Giugliano in Campania NA 15 122974 1433470
Melito di Napoli NA 16 37826 1471296
Ischia NA 16 19915 1491211
Casavatore NA 17 18661 1509872
Parete CE 17 11442 1521314
Sant'Antimo NA 17 33905 1555219
Arzano NA 17 34886 1590105
Casandrino NA 18 14336 1604441
Casoria NA 18 77642 1682083
Casamicciola Terme NA 19 8362 1690445
San Giorgio a Cremano NA 19 45557 1736002
Grumo Nevano NA 19 18061 1754063
Lusciano CE 19 15362 1769425
Trentola-Ducenta CE 19 19429 1788854
Ercolano NA 20 53709 1842563
Cesa CE 20 8841 1851404
Barano d'Ischia NA 20 10113 1861517
Aversa CE 20 53047 1914564
Frattamaggiore NA 20 30329 1944893

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km SE of Pozzuoli (81661 inhabitants)
12 Km SW of Marano di Napoli (59874 inhabitants)
12 Km W of Napoli (974074 inhabitants)
15 Km SW of Giugliano in Campania (122974 inhabitants)
18 Km SW of Casoria (77642 inhabitants)
20 Km W of Ercolano (53709 inhabitants)
20 Km SW of Aversa (53047 inhabitants)
20 Km W of Portici (55274 inhabitants)
21 Km SW of Afragola (65057 inhabitants)
21 Km W of Torre del Greco (86275 inhabitants)
27 Km SW of Acerra (59573 inhabitants)
33 Km W of Castellammare di Stabia (66466 inhabitants)
35 Km SW of Caserta (76326 inhabitants)
35 Km W of Scafati (50787 inhabitants)
51 Km W of Cava de' Tirreni (53659 inhabitants)
56 Km W of Salerno (135261 inhabitants)
59 Km W of Avellino (54857 inhabitants)
67 Km SW of Benevento (60091 inhabitants)
77 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
Reviewed
Rev200
Md 1.5 2020-10-15
22:05:53
40.81 14.11 4 2020-10-19
13:39:19
Sala Operativa INGV_OV (Napoli) 83912351
Reviewed
Rev200
Md 1.5 2020-10-15
22:05:53
40.81 14.11 2 2020-10-15
23:22:24
Sala Operativa INGV_OV (Napoli) 83811731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-15 22:05:53
Latitude 40.81
Longitude 14.11
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-OV#WinPick
Event type earthquake
Origin ID 83912351

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) 700
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 1
Number of defining phases 1
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree)
Epicentral distance of station farthest from the epicenter (degree)
Number of stations at which the event was observed 0
Number of stations from which data was used for origin computation 0
Magnitudes information

Md:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 83811731
Agency INGV
Autore Sala Operativa INGV_OV (Napoli)
Time of creation (UTC) 2020-10-15 23:22:24

Md:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 83912351
Agency INGV
Autore Sala Operativa INGV_OV (Napoli)
Time of creation (UTC) 2020-10-19 13:39:19
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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