Earthquake with magnitude of ML 2.3 on date 20-12-2006 and time 13:32:20 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 2.3 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 20-12-2006 12:32:20 (UTC)
  • 20-12-2006 13:32:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.3840, 14.2420 at 30 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km NE of Bagheria (55387 inhabitants)
82 Km E of Palermo (674435 inhabitants)
100 Km N of Caltanissetta (63360 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
ML 2.3
2006-12-20
12:32:20
38.384 14.242 30 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 606499
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-12-20 12:32:20 ± 0.4
Latitude 38.3840 ± 0.0315
Longitude 14.2420 ± 0.0321
Depth (km) 30 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 606499

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3789
Semi-minor axis of confidence ellipse (meter) 2316
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 330
Circular confidence region, given by single value of horizontal uncertainty (meter) 4482.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 226
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.79
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.57557
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 606499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:34:44

Md:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 606499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:34:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIB.EHZ. 2006-12-20T12:32:38.13 0.3 undecidable manual Sg 203 47.5191 1.074 29
IV.CSLB.SHZ. 2006-12-20T12:32:38.87 0.6 undecidable manual Sg 198 52.0035 0.73 22
IV.MNO.SHZ. 2006-12-20T12:32:32.32 0.1 undecidable manual Pg 142 63.8916 -0.13 99
IV.SLNA.SHZ. 2006-12-20T12:32:31.36 0.1 undecidable manual Pg 69 55.1004 0.175 99
IV.CSLB.SHZ. 2006-12-20T12:32:30.51 0.1 undecidable manual Pg 198 52.0035 -0.245 99
IV.GIB.EHZ. 2006-12-20T12:32:29.89 0.1 undecidable manual Pg 203 47.5191 -0.239 100
IV.ORI.EHN. 2006-12-20T12:32:21.28 10.0 undecidable manual Pg 0 0 0
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