Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 24-04-2009 and time 07:38:12 (Italy) in region 1 km W Mistretta (ME)

A magnitude ML 2.1 earthquake occured in region: 1 km W Mistretta (ME), on

  • 24-04-2009 05:38:12 (UTC)
  • 24-04-2009 07:38:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9320, 14.3460 at 27 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Mistretta ME 2 4791 4791
Reitano ME 5 806 5597
Castel di Lucio ME 6 1294 6891
Pettineo ME 6 1350 8241
Motta d'Affermo ME 7 739 8980
Santo Stefano di Camastra ME 10 4694 13674
Tusa ME 11 2925 16599
Caronia ME 13 3364 19963
San Mauro Castelverde PA 14 1701 21664
Capizzi ME 15 3176 24840
Sperlinga EN 19 805 25645
Geraci Siculo PA 19 1945 27590
Pollina PA 19 2974 30564
Gangi PA 19 6811 37375
Cerami EN 20 2006 39381

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km NE of Caltanissetta (63360 inhabitants)
75 Km E of Bagheria (55387 inhabitants)
80 Km W of Acireale (52622 inhabitants)
81 Km NW of Catania (314555 inhabitants)
89 Km E of Palermo (674435 inhabitants)
96 Km NE of Agrigento (59770 inhabitants)
97 Km N of Gela (75827 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 2.1 		2009-04-24
05:38:12		 37.932 14.346 27 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 831929
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-24 05:38:12 ± 0.14
Latitude 37.9320 ± 0.0063
Longitude 14.3460 ± 0.0057
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 831929

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 701
Semi-minor axis of confidence ellipse (meter) 289
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.84626
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 831929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 15:46:28

Md:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 831929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 15:46:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENI.EHZ. 2009-04-24T05:38:42.43 10.0 undecidable manual Pg 0 0 0
IV.MILZ.HHN. 2009-04-24T05:38:38.40 0.6 undecidable manual Sg 64 85.9473 0.413 42
IV.CAMP.HHZ. 2009-04-24T05:38:29.88 10.0 undecidable manual Pg 0 0 0
IV.HCRL.BHE. 2009-04-24T05:38:27.83 0.3 undecidable manual Pg 140 93.9393 -0.416 61
IV.MILZ.HHN. 2009-04-24T05:38:27.42 0.1 undecidable manual Pg 64 85.9473 0.369 84
IV.HVZN.BHN. 2009-04-24T05:38:27.42 0.3 undecidable manual Pg 159 89.6436 -0.188 65
IV.MMME.BHZ. 2009-04-24T05:38:26.34 0.1 undecidable manual Pg 89 79.4649 0.271 86
IV.IVPL.BHZ. 2009-04-24T05:38:25.40 0.1 undecidable manual Pg 48 74.0703 0.127 90
IV.MNO.SHZ. 2009-04-24T05:38:24.12 0.1 undecidable manual Sg 90 30.5472 -0.136 97
IV.IFIL.BHZ. 2009-04-24T05:38:24.75 0.3 undecidable manual Pg 16 72.9714 -0.352 64
IV.GIB.EHZ. 2009-04-24T05:38:24.09 0.1 undecidable manual Sg 283 28.749 0.213 96
I1.IACL.BHN. 2009-04-24T05:38:24.12 0.3 undecidable manual Pg 1 66.6777 -0.057 69
IV.GALF.HHZ. 2009-04-24T05:38:24.61 0.3 undecidable manual Sg 142 31.2465 0.207 71
IV.CSLB.SHZ. 2009-04-24T05:38:23.24 0.1 undecidable manual Sg 272 25.2525 0.075 99
IV.ALJA.HHZ. 2009-04-24T05:38:22.48 0.1 undecidable manual Pg 249 55.6998 -0.086 94
IV.RESU.HHZ. 2009-04-24T05:38:20.84 0.1 undecidable manual Pg 219 40.5261 0.414 89
IV.GALF.HHZ. 2009-04-24T05:38:19.09 0.1 undecidable manual Pg 142 31.2465 -0.117 98
IV.GIB.EHZ. 2009-04-24T05:38:18.89 0.1 undecidable manual Pg 283 28.749 -0.013 100
IV.CSLB.SHZ. 2009-04-24T05:38:18.06 0.1 undecidable manual Pg 272 25.2525 -0.432 92
IV.MNO.SHZ. 2009-04-24T05:38:18.89 0.1 undecidable manual Pg 90 30.5472 -0.232 95
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