Earthquake with magnitude of Md 1.3 on date 26-10-2020 and time 11:50:19 (Italy) in region 1 km SW Casamicciola Terme (NA)

A magnitude Md 1.3 earthquake occured in region: 1 km SW Casamicciola Terme (NA), on

  • 26-10-2020 10:50:19 (UTC)
  • 26-10-2020 11:50:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.74, 13.9 at 2 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
Casamicciola Terme NA 1 8362 8362
Lacco Ameno NA 2 4853 13215
Serrara Fontana NA 3 3173 16388
Forio NA 3 17615 34003
Barano d'Ischia NA 4 10113 44116
Ischia NA 4 19915 64031
Procida NA 11 10530 74561
Monte di Procida NA 15 12886 87447
Bacoli NA 17 26560 114007

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km SW of Pozzuoli (81661 inhabitants)
30 Km SW of Marano di Napoli (59874 inhabitants)
32 Km W of Napoli (974074 inhabitants)
33 Km SW of Giugliano in Campania (122974 inhabitants)
37 Km SW of Aversa (53047 inhabitants)
38 Km SW of Casoria (77642 inhabitants)
39 Km W of Ercolano (53709 inhabitants)
40 Km W of Portici (55274 inhabitants)
40 Km W of Torre del Greco (86275 inhabitants)
40 Km SW of Afragola (65057 inhabitants)
46 Km SW of Acerra (59573 inhabitants)
50 Km W of Castellammare di Stabia (66466 inhabitants)
52 Km SW of Caserta (76326 inhabitants)
53 Km W of Scafati (50787 inhabitants)
68 Km W of Cava de' Tirreni (53659 inhabitants)
73 Km W of Salerno (135261 inhabitants)
78 Km W of Avellino (54857 inhabitants)
86 Km SW of Benevento (60091 inhabitants)
93 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 1.3 2020-10-26
10:50:19
40.74 13.9 2 2020-10-27
13:23:20
Sala Operativa INGV_OV (Napoli) 84180041
Reviewed
Rev200
Md 1.3 2020-10-26
10:50:19
40.74 13.89 2 2020-10-26
14:11:00
Sala Operativa INGV_OV (Napoli) 84157111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-26 10:50:19
Latitude 40.74
Longitude 13.90
Depth (km) 2 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-OV#WinPick
Event type earthquake
Origin ID 84180041

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) 600
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
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) 0.09
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:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 84180041
Agency INGV
Autore Sala Operativa INGV_OV (Napoli)
Time of creation (UTC) 2020-10-27 13:23:20

Md:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 84157111
Agency INGV
Autore Sala Operativa INGV_OV (Napoli)
Time of creation (UTC) 2020-10-26 14:11:00
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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