Earthquake with magnitude of ML 2.2 on date 21-02-2009 and time 08:17:12 (Italy) in region Isole Eolie (Messina)

A magnitude ML 2.2 earthquake occured in region: Isole Eolie (Messina), on

  • 21-02-2009 07:17:12 (UTC)
  • 21-02-2009 08:17:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.5040, 14.2650 at 11 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
81 Km NE of Bagheria (55387 inhabitants)
90 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 2.4
ML 2.2
2009-02-21
07:17:12
38.504 14.265 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 745479
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-21 07:17:12 ± 0.27
Latitude 38.5040 ± 0.0243
Longitude 14.2650 ± 0.0230
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 745479

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3312
Semi-minor axis of confidence ellipse (meter) 770
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 325
Circular confidence region, given by single value of horizontal uncertainty (meter) 3360.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 220
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.85526
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 745479
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:05:51

Md:2.4

Field Value
Value 2.4
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 745479
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:05:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ILLI.BHZ. 2009-02-21T07:17:32.54 10.0 undecidable manual Pg 0 0 0
IV.GIB.EHZ. 2009-02-21T07:17:31.15 0.6 undecidable manual Sg 200 60.6948 0.097 45
IV.IVPL.BHZ. 2009-02-21T07:17:31.90 0.6 undecidable manual Sg 103 63.6918 0.035 44
IV.ALJA.HHN. 2009-02-21T07:17:28.88 0.3 undecidable manual Pg 208 94.9383 0.443 60
IV.GALF.HHE. 2009-02-21T07:17:28.11 0.3 undecidable manual Pg 163 91.8414 0.141 64
IV.IVPL.BHZ. 2009-02-21T07:17:23.15 0.3 undecidable manual Pg 103 63.6918 -0.481 58
IV.GIB.EHZ. 2009-02-21T07:17:22.75 0.3 undecidable manual Pg 200 60.6948 -0.412 61
IV.IFIL.BHZ. 2009-02-21T07:17:22.68 0.6 undecidable manual Sg 76 27.75 0.422 47
I1.IACL.BHN. 2009-02-21T07:17:17.30 0.3 undecidable manual Sg 68 8.4804 0.104 71
IV.IFIL.BHZ. 2009-02-21T07:17:17.87 0.3 undecidable manual Pg 76 27.75 -0.215 66
I1.IACL.BHN. 2009-02-21T07:17:15.12 0.1 undecidable manual Pg 68 8.4804 -0.043 100
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