Earthquake with magnitude of ML 2.3 on date 22-02-2009 and time 06:18:30 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 22-02-2009 05:18:30 (UTC)
  • 22-02-2009 06:18:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.5040, 15.4710 at 132 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
35 Km N of Messina (238439 inhabitants)
46 Km NW of Reggio di Calabria (183035 inhabitants)
91 Km SW of Lamezia Terme (70714 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
ML 2.3 2009-02-22
05:18:30
38.504 15.471 132 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 745649
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-22 05:18:30 ± 0.35
Latitude 38.5040 ± 0.0234
Longitude 15.4710 ± 0.0609
Depth (km) 132 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 745649

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 5583
Semi-minor axis of confidence ellipse (meter) 930
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 112
Circular confidence region, given by single value of horizontal uncertainty (meter) 5903.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 238
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.08728
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 745649
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:06:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
.SERS.HHN. 2009-02-22T05:19:13.20 1.0 undecidable manual Sg 60 120.6903 0.881 17
.CARO.HHE. 2009-02-22T05:19:09.90 0.6 undecidable manual Sg 38 105.3168 -0.134 43
IV.GRI.EHZ. 2009-02-22T05:19:08.44 0.6 undecidable manual Sg 66 89.4438 0.566 41
.PLAC.HHN. 2009-02-22T05:19:07.00 0.3 undecidable manual Sg 94 84.1491 -0.212 67
IV.MTTG.HHZ. 2009-02-22T05:19:05.09 0.6 undecidable manual Sg 160 58.9965 0.634 42
IV.SOI.EHZ. 2009-02-22T05:19:04.97 0.6 undecidable manual Sg 133 69.6747 -0.564 43
.JOPP.HHN. 2009-02-22T05:19:02.54 0.3 undecidable manual Sg 72 37.7289 -0.226 73
.SERS.HHN. 2009-02-22T05:18:54.92 0.3 undecidable manual Pg 60 120.6903 0.387 60
.CARO.HHE. 2009-02-22T05:18:53.05 0.1 undecidable manual Pg 38 105.3168 -0.164 87
IV.GRI.EHZ. 2009-02-22T05:18:52.21 0.1 undecidable manual Pg 66 89.4438 0.244 87
.PLAC.HHN. 2009-02-22T05:18:51.53 0.1 positive manual Pg 94 84.1491 -0.056 93
IV.MTTG.HHZ. 2009-02-22T05:18:50.05 0.1 positive manual Pg 160 58.9965 0.057 96
IV.SOI.EHZ. 2009-02-22T05:18:50.39 0.1 positive manual Pg 133 69.6747 -0.226 93
.JOPP.HHN. 2009-02-22T05:18:48.89 0.1 undecidable manual Pg 72 37.7289 -0.127 100
IV.ROM9.HHZ. 2009-02-22T05:18:41.61 10.0 undecidable manual Pg 0 0 0
IV.MILZ.HHN. 2009-02-22T05:18:29.14 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
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