Earthquake with magnitude of Md 2.3 on date 11-05-1985 and time 21:34:15 (Italy) in region Golfo di Salerno (Salerno)

A magnitude Md 2.3 earthquake occured in region: Golfo di Salerno (Salerno), on

  • 11-05-1985 19:34:15 (UTC)
  • 11-05-1985 21:34:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.3880, 14.8310 at 10 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Agropoli SA 14 21481 21481
Castellabate SA 15 9188 30669
Ogliastro Cilento SA 19 2270 32939

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SW of Battipaglia (50786 inhabitants)
33 Km S of Salerno (135261 inhabitants)
36 Km S of Cava de' Tirreni (53659 inhabitants)
45 Km SE of Castellammare di Stabia (66466 inhabitants)
48 Km SE of Scafati (50787 inhabitants)
59 Km S of Avellino (54857 inhabitants)
59 Km SE of Torre del Greco (86275 inhabitants)
62 Km SE of Ercolano (53709 inhabitants)
63 Km SE of Portici (55274 inhabitants)
70 Km SE of Napoli (974074 inhabitants)
73 Km SE of Acerra (59573 inhabitants)
74 Km SE of Casoria (77642 inhabitants)
74 Km SE of Afragola (65057 inhabitants)
78 Km SE of Marano di Napoli (59874 inhabitants)
80 Km SE of Giugliano in Campania (122974 inhabitants)
81 Km SE of Pozzuoli (81661 inhabitants)
83 Km S of Benevento (60091 inhabitants)
84 Km SE of Aversa (53047 inhabitants)
87 Km W of Potenza (67122 inhabitants)
87 Km SE of Caserta (76326 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 2.3 1985-05-11
19:34:15
40.388 14.831 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 6109
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-05-11 19:34:15 ± 2.02
Latitude 40.3880 ± 0.1138
Longitude 14.8310 ± 0.0911
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 6109

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) 14815.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 272
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
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) 0.00340
Epicentral distance of station farthest from the epicenter (degree) 0.00648
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 6109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:10:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.TR9.Z. 1985-05-11T19:34:29.60 10.0 undecidable manual PG 24 0.7215 -0.31 1.1
--.BS1.Z. 1985-05-11T19:34:28.50 10.0 undecidable manual SG 358 0.3774 -1.2 0.2
--.OVO.Z. 1985-05-11T19:34:28.40 10.0 undecidable manual PG 322 0.5439 1.74 0.2
--.BS1.Z. 1985-05-11T19:34:24.00 10.0 undecidable manual PG 358 0.3774 0.35 1.3
--.SOR.Z. 1985-05-11T19:34:23.70 10.0 positive manual PG 297 0.4218 -0.65 2.2
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