Earthquake with magnitude of Md 2.4 on date 20-02-2002 and time 21:43:58 (Italy) in region Golfo di Salerno (Salerno)

A magnitude Md 2.4 earthquake occured in region: Golfo di Salerno (Salerno), on

  • 20-02-2002 20:43:58 (UTC)
  • 20-02-2002 21:43:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.4410, 14.8420 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.

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 16 21481 21481
Castellabate SA 19 9188 30669

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SW of Battipaglia (50786 inhabitants)
27 Km S of Salerno (135261 inhabitants)
31 Km SE of Cava de' Tirreni (53659 inhabitants)
42 Km SE of Castellammare di Stabia (66466 inhabitants)
43 Km SE of Scafati (50787 inhabitants)
53 Km S of Avellino (54857 inhabitants)
56 Km SE of Torre del Greco (86275 inhabitants)
59 Km SE of Ercolano (53709 inhabitants)
59 Km SE of Portici (55274 inhabitants)
67 Km SE of Napoli (974074 inhabitants)
69 Km SE of Acerra (59573 inhabitants)
70 Km SE of Casoria (77642 inhabitants)
70 Km SE of Afragola (65057 inhabitants)
75 Km SE of Marano di Napoli (59874 inhabitants)
77 Km SE of Giugliano in Campania (122974 inhabitants)
77 Km S of Benevento (60091 inhabitants)
78 Km SE of Pozzuoli (81661 inhabitants)
80 Km SE of Aversa (53047 inhabitants)
83 Km SE of Caserta (76326 inhabitants)
84 Km W of Potenza (67122 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 2002-02-20
20:43:58
40.441 14.842 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 436559
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-02-20 20:43:58 ± 0.301
Latitude 40.4410 ± 0.0121
Longitude 14.8420 ± 0.0196
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 436559

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) 2138.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 228
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00332
Epicentral distance of station farthest from the epicenter (degree) 0.00680
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 436559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:52:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MGR.Z. 2002-02-20T20:44:21.72 10.0 undecidable manual SG 119 0.6216 0.03 0.7
--.CSSN.Z. 2002-02-20T20:44:15.68 10.0 undecidable manual SG 18 0.444 -0.2 0.7
--.VTB1.Z. 2002-02-20T20:44:14.71 10.0 undecidable manual PG 348 0.7548 0.15 1.5
--.SGO.Z. 2002-02-20T20:44:12.85 10.0 undecidable manual SG 71 0.3663 -0.47 0.4
--.SLCN.Z. 2002-02-20T20:44:11.82 10.0 undecidable manual PG 94 0.5994 0.13 1.7
--.MRLC.Z. 2002-02-20T20:44:11.84 10.0 undecidable manual PG 57 0.5772 0.53 0.7
--.MGR.Z. 2002-02-20T20:44:11.57 10.0 undecidable manual PG 119 0.6216 -0.46 1.1
--.CSSN.Z. 2002-02-20T20:44:08.60 10.0 undecidable manual PG 18 0.444 -0.62 0.7
--.SGO.Z. 2002-02-20T20:44:07.48 10.0 undecidable manual PG 71 0.3663 0.27 1.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download