Earthquake with magnitude of Md 2.1 on date 05-11-2003 and time 14:08:19 (UTC) in region 5 km W Menfi (AG)

A magnitude Md 2.1 earthquake occured in region: 5 km W Menfi (AG), on

  • 05-11-2003 14:08:19 (UTC)
  • 05-11-2003 15:08:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6100, 12.9110 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
Menfi AG 5 12592 12592
Montevago AG 13 3006 15598
Partanna TP 13 10607 26205
Castelvetrano TP 13 31806 58011
Santa Margherita di Belice AG 14 6363 64374
Campobello di Mazara TP 15 11956 76330
Sambuca di Sicilia AG 18 5877 82207
Santa Ninfa TP 19 5043 87250
Salaparuta TP 19 1696 88946
Sciacca AG 19 40928 129874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Mazara del Vallo (51718 inhabitants)
47 Km E of Marsala (83194 inhabitants)
57 Km SE of Trapani (68759 inhabitants)
68 Km NW of Agrigento (59770 inhabitants)
69 Km SW of Palermo (674435 inhabitants)
74 Km SW of Bagheria (55387 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 2.1
ML-VAX 1.6
2003-11-05
14:08:19
37.61 12.911 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 488749
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-11-05 14:08:19 ± 0.938
Latitude 37.6100 ± 0.0286
Longitude 12.9110 ± 0.0559
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 488749

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) 5861.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 265
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.00210
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 488749
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:46:16

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 488749
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CLTB.Z. 2003-11-05T14:08:29.82 10.0 undecidable manual SG 97 0.2331 1 0.2
--.MFNL.E. 2003-11-05T14:08:27.22 10.0 undecidable manual SG 2 0.1776 0.7 0.4
--.CRJA.Z. 2003-11-05T14:08:27.10 10.0 undecidable manual SG 21 0.1998 -0.34 0.6
--.CLTB.Z. 2003-11-05T14:08:25.00 10.0 undecidable manual PG 97 0.2331 0.19 1.5
--.CRJA.Z. 2003-11-05T14:08:24.12 10.0 undecidable manual PG 21 0.1998 0.11 1.7
--.MFNL.Z. 2003-11-05T14:08:24.70 10.0 undecidable manual PG 2 0.1776 0.59 1.1
--.MMGO.Z. 2003-11-05T14:08:20.50 10.0 positive manual PG 45 0.0666 -0.75 1.6
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