Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 19-05-2009 and time 23:32:25 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.2 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 19-05-2009 23:32:25 (UTC)
  • 20-05-2009 01:32:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4160, 13.6640 at 3 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.

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Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NE of Bagheria (55387 inhabitants)
42 Km NE of Palermo (674435 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 2.6
ML 2.2 		2009-05-19
23:32:25		 38.416 13.664 3 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 872489
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-05-19 23:32:25 ± 0.12
Latitude 38.4160 ± 0.0072
Longitude 13.6640 ± 0.0080
Depth (km) 3 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 872489

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 789
Semi-minor axis of confidence ellipse (meter) 632
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 336
Circular confidence region, given by single value of horizontal uncertainty (meter) 1063.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.00095
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 872489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:34:08

Md:2.6

Field Value
Value 2.6
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 872489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:34:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.HHE. 2009-05-19T23:33:24.50 10.0 undecidable manual Pg 0 0 0
IV.CRJA.SHZ. 2009-05-19T23:32:53.55 0.1 undecidable manual Sg 220 89.244 0.326 92
IV.IFIL.BHZ. 2009-05-19T23:32:50.85 0.1 undecidable manual Sg 78 80.8635 -0.137 98
IV.ALJA.HHZ. 2009-05-19T23:32:48.43 0.3 undecidable manual Sg 174 74.37 -0.839 60
IV.CORL.HHZ. 2009-05-19T23:32:47.46 0.3 undecidable manual Sg 209 65.7897 0.478 70
I1.IACL.BHZ. 2009-05-19T23:32:46.37 0.1 undecidable manual Sg 78 61.3941 0.561 91
IV.CSLB.SHZ. 2009-05-19T23:32:46.07 0.3 undecidable manual Sg 147 63.1923 -0.217 74
IV.CMPO.HHZ. 2009-05-19T23:32:44.25 10.0 undecidable manual Pg 0 0 0
IV.IVPL.BHZ. 2009-05-19T23:32:44.86 10.0 undecidable manual Pg 0 0 0
IV.GIB.EHZ. 2009-05-19T23:32:44.78 0.3 undecidable manual Sg 146 56.7987 0.206 75
IV.GALF.HHZ. 2009-05-19T23:32:44.86 0.6 undecidable manual Pg 134 111.0999 0.113 46
IV.USI.HHZ. 2009-05-19T23:32:43.31 0.3 undecidable manual Sg 308 53.1024 -0.267 75
IV.MMGO.SHZ. 2009-05-19T23:32:43.98 10.0 undecidable manual Pg 0 0 0
IV.MTGR.SHZ. 2009-05-19T23:32:42.40 10.0 undecidable manual Pg 0 0 0
IV.RESU.HHE. 2009-05-19T23:32:41.87 0.3 undecidable manual Pg 158 91.9413 0.065 73
IV.CRJA.SHZ. 2009-05-19T23:32:41.10 0.3 undecidable manual Pg 220 89.244 -0.275 70
MN.VSL.HHE. 2009-05-19T23:32:41.77 10.0 undecidable manual Pg 0 0 0
IV.IFIL.BHZ. 2009-05-19T23:32:39.92 0.3 undecidable manual Pg 78 80.8635 -0.166 73
IV.ALJA.HHZ. 2009-05-19T23:32:39.17 0.1 undecidable manual Pg 174 74.37 0.077 100
IV.CORL.HHZ. 2009-05-19T23:32:38.27 0.1 undecidable manual Pg 209 65.7897 0.499 93
I1.IACL.BHZ. 2009-05-19T23:32:37.32 0.1 undecidable manual Pg 78 61.3941 0.225 99
IV.CSLB.SHZ. 2009-05-19T23:32:36.83 0.3 undecidable manual Pg 147 63.1923 -0.545 69
IV.USI.HHZ. 2009-05-19T23:32:35.60 0.3 undecidable manual Pg 308 53.1024 -0.208 76
IV.GIB.EHZ. 2009-05-19T23:32:35.88 0.3 undecidable manual Pg 146 56.7987 -0.502 71
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
Waveforms Seismic signals in miniseed + resp format Download