Earthquake with magnitude of ML 2.5 on date 23-12-2009 and time 17:13:29 (Italy) in region 9 km SE Maletto (CT)

A magnitude ML 2.5 earthquake occured in region: 9 km SE Maletto (CT), on

  • 23-12-2009 16:13:29 (UTC)
  • 23-12-2009 17:13:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7780, 14.9440 at 29 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Maletto CT 9 3920 3920
Bronte CT 10 19172 23092
Randazzo CT 11 10900 33992
Maniace CT 15 3765 37757
Santa Domenica Vittoria ME 16 980 38737
Adrano CT 16 36122 74859
Milo CT 16 1087 75946
Ragalna CT 16 3924 79870
Biancavilla CT 16 24007 103877
Moio Alcantara ME 17 717 104594
Zafferana Etnea CT 17 9517 114111
Sant'Alfio CT 18 1582 115693
Roccella Valdemone ME 18 666 116359
Santa Maria di Licodia CT 19 7641 124000
Malvagna ME 19 733 124733
Linguaglossa CT 19 5403 130136
Nicolosi CT 20 7463 137599
Castiglione di Sicilia CT 20 3215 140814
Santa Venerina CT 20 8592 149406

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of Acireale (52622 inhabitants)
33 Km NW of Catania (314555 inhabitants)
71 Km SW of Messina (238439 inhabitants)
72 Km SW of Reggio di Calabria (183035 inhabitants)
84 Km E of Caltanissetta (63360 inhabitants)
86 Km NW of Siracusa (122291 inhabitants)
97 Km N of Ragusa (73313 inhabitants)
99 Km NE of Vittoria (63339 inhabitants)
100 Km NE 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
ML 2.5 2009-12-23
16:13:29
37.778 14.944 29 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1001499
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-12-23 16:13:29 ± 0.19
Latitude 37.7780 ± 0.0081
Longitude 14.9440 ± 0.0148
Depth (km) 29 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1001499

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1281
Semi-minor axis of confidence ellipse (meter) 245
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 288
Circular confidence region, given by single value of horizontal uncertainty (meter) 1581.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.65
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.94069
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 19
Magnitude information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1001499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:11:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PRMA.HHZ. 2009-12-23T16:14:20.94 10.0 undecidable manual Pg 0 0 0
IV.HAVL.HHZ. 2009-12-23T16:13:57.49 0.3 undecidable manual Sg 170 92.1411 0.208 65
GE.MATE.HHE. 2009-12-23T16:13:55.49 10.0 undecidable manual Pg 0 0 0
IV.SSY.HHZ. 2009-12-23T16:13:52.00 0.6 undecidable manual Sg 171 69.7746 0.504 42
IV.HVZN.HHZ. 2009-12-23T16:13:51.73 0.6 undecidable manual Sg 197 69.4749 0.296 44
IV.IVPL.HHZ. 2009-12-23T16:13:50.76 0.6 undecidable manual Sg 3 66.378 0.117 46
IV.HCRL.HHE. 2009-12-23T16:13:48.10 0.3 undecidable manual Sg 172 55.5 0.213 69
IV.ALJA.HHN. 2009-12-23T16:13:48.81 0.3 undecidable manual Pg 269 104.4177 1.318 40
IV.SOI.EHE. 2009-12-23T16:13:47.44 0.3 undecidable manual Pg 71 102.5196 0.248 63
MN.CEL.HHN. 2009-12-23T16:13:46.86 0.6 undecidable manual Pg 57 98.7234 0.234 42
IV.MPAZ.HHZ. 2009-12-23T16:13:46.36 0.6 undecidable manual Pg 78 95.0382 0.291 42
IV.HAVL.HHZ. 2009-12-23T16:13:45.18 0.3 undecidable manual Pg 170 92.1411 -0.452 62
IV.IACL.HHZ. 2009-12-23T16:13:45.48 0.3 undecidable manual Pg 329 98.2239 -1.073 48
IV.GIB.HHZ. 2009-12-23T16:13:44.36 0.3 undecidable manual Pg 287 83.7495 -0.014 68
IV.ILLI.HHZ. 2009-12-23T16:13:44.33 0.6 undecidable manual Pg 0 74.0703 1.402 27
IV.GALF.HHZ. 2009-12-23T16:13:43.81 0.6 undecidable manual Sg 257 33.9438 1 36
IV.CSLB.SHZ. 2009-12-23T16:13:43.11 0.6 undecidable manual Pg 283 79.6647 -0.646 40
IV.MSRU.HHZ. 2009-12-23T16:13:42.82 0.3 undecidable manual Pg 42 73.0713 0.046 69
IV.SSY.HHZ. 2009-12-23T16:13:42.00 0.1 undecidable manual Pg 171 69.7746 -0.292 89
IV.MMME.HHZ. 2009-12-23T16:13:42.84 0.3 undecidable manual Sg 57 32.2455 0.408 70
IV.MTTG.HHE. 2009-12-23T16:13:42.75 0.6 undecidable manual Pg 69 70.6737 0.32 44
IV.IVPL.HHZ. 2009-12-23T16:13:41.14 0.3 undecidable manual Pg 3 66.378 -0.66 60
IV.ECNV.HHZ. 2009-12-23T16:13:41.74 0.6 undecidable manual Sg 225 28.749 0.044 50
IV.HVZN.HHZ. 2009-12-23T16:13:41.88 0.3 undecidable manual Pg 197 69.4749 -0.378 66
IV.HCRL.HHE. 2009-12-23T16:13:39.81 0.1 undecidable manual Pg 172 55.5 -0.401 89
IV.ESLN.HHE. 2009-12-23T16:13:38.18 0.6 undecidable manual Sg 164 9.7791 -0.525 46
IV.GALF.HHZ. 2009-12-23T16:13:37.24 0.1 undecidable manual Pg 257 33.9438 -0.038 100
IV.ECNV.HHZ. 2009-12-23T16:13:37.69 0.3 undecidable manual Pg 225 28.749 1.058 54
IV.MMME.HHZ. 2009-12-23T16:13:36.71 0.1 undecidable manual Pg 57 32.2455 -0.348 93
IV.ARVD.HHE. 2009-12-23T16:13:35.83 10.0 undecidable manual Pg 0 0 0
IV.ESLN.HHE. 2009-12-23T16:13:34.27 0.1 undecidable manual Pg 164 9.7791 -0.638 89
IV.STR3.BHE. 2009-12-23T16:13:19.15 10.0 undecidable manual Pg 0 0 0
IV.STR4.BHZ. 2009-12-23T16:13:19.79 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2009-12-23T16:13:15.57 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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