Earthquake with magnitude of ML 2.5 on date 23-12-2009 and time 16:33:08 (Italy) in region 8 km SE Maletto (CT)

A magnitude ML 2.5 earthquake occured in region: 8 km SE Maletto (CT), on

  • 23-12-2009 15:33:08 (UTC)
  • 23-12-2009 16:33:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7820, 14.9330 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.

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 8 3920 3920
Bronte CT 9 19172 23092
Randazzo CT 11 10900 33992
Maniace CT 14 3765 37757
Santa Domenica Vittoria ME 15 980 38737
Adrano CT 16 36122 74859
Biancavilla CT 17 24007 98866
Moio Alcantara ME 17 717 99583
Ragalna CT 17 3924 103507
Milo CT 17 1087 104594
Zafferana Etnea CT 18 9517 114111
Roccella Valdemone ME 18 666 114777
Malvagna ME 19 733 115510
Santa Maria di Licodia CT 19 7641 123151
Sant'Alfio CT 19 1582 124733
Linguaglossa CT 20 5403 130136

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of Acireale (52622 inhabitants)
34 Km NW of Catania (314555 inhabitants)
71 Km SW of Messina (238439 inhabitants)
72 Km SW of Reggio di Calabria (183035 inhabitants)
83 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
15:33:08
37.782 14.933 27 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1001399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-12-23 15:33:08 ± 0.18
Latitude 37.7820 ± 0.0072
Longitude 14.9330 ± 0.0125
Depth (km) 27 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1001399

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1134
Semi-minor axis of confidence ellipse (meter) 314
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 120
Circular confidence region, given by single value of horizontal uncertainty (meter) 1360.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.52
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92990
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 16
Magnitude information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1001399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:11:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRAC.EHN. 2009-12-23T15:33:50.72 10.0 undecidable manual Pg 0 0 0
IV.HAVL.HHN. 2009-12-23T15:33:36.35 0.6 undecidable manual Sg 170 92.7405 0.097 59
IV.MSRU.HHE. 2009-12-23T15:33:31.88 0.6 undecidable manual Sg 43 73.371 0.665 52
IV.HVZN.HHN. 2009-12-23T15:33:30.42 0.6 undecidable manual Sg 196 69.6747 0.164 61
IV.SSY.HHN. 2009-12-23T15:33:30.92 0.6 undecidable manual Sg 170 70.374 0.488 57
IV.HCRL.HHE. 2009-12-23T15:33:27.01 0.3 undecidable manual Sg 171 55.9995 0.228 92
IV.SOI.EHE. 2009-12-23T15:33:25.94 0.6 undecidable manual Pg 71 103.2189 -0.235 56
IV.MPAZ.HHE. 2009-12-23T15:33:25.90 0.3 undecidable manual Pg 78 95.9262 0.839 70
IV.IACL.HHE. 2009-12-23T15:33:24.43 0.3 undecidable manual Pg 329 97.4247 -0.858 70
IV.HAVL.HHN. 2009-12-23T15:33:24.05 0.3 undecidable manual Pg 170 92.7405 -0.53 79
IV.RESU.HHE. 2009-12-23T15:33:24.19 10.0 undecidable manual Pg 0 0 0
IV.CSLB.SHZ. 2009-12-23T15:33:23.08 0.6 undecidable manual Pg 283 78.5658 0.625 53
IV.GIB.HHN. 2009-12-23T15:33:23.24 0.6 undecidable manual Pg 286 82.7505 0.165 59
IV.GALF.HHE. 2009-12-23T15:33:22.36 0.3 undecidable manual Sg 256 33.1446 1.073 71
IV.MSRU.HHE. 2009-12-23T15:33:21.61 0.3 undecidable manual Pg 43 73.371 -0.061 92
IV.MTTG.HHN. 2009-12-23T15:33:21.80 0.3 undecidable manual Pg 70 71.4729 0.416 86
IV.MMME.HHN. 2009-12-23T15:33:21.22 0.3 undecidable manual Sg 59 32.8449 0.004 100
IV.HVZN.HHN. 2009-12-23T15:33:21.06 0.3 undecidable manual Pg 196 69.6747 -0.06 92
IV.SSY.HHN. 2009-12-23T15:33:21.09 0.3 undecidable manual Pg 170 70.374 -0.13 91
IV.IVPL.HHZ. 2009-12-23T15:33:20.23 0.3 undecidable manual Pg 4 66.0894 -0.354 88
IV.ECNV.HHZ. 2009-12-23T15:33:19.85 0.6 undecidable manual Sg 223 28.3494 -0.397 62
IV.HCRL.HHE. 2009-12-23T15:33:18.62 0.3 undecidable manual Pg 171 55.9995 -0.492 86
IV.ESLN.HHN. 2009-12-23T15:33:16.73 0.6 undecidable manual Sg 160 10.4784 -0.542 61
IV.MMME.HHN. 2009-12-23T15:33:15.46 0.3 undecidable manual Pg 59 32.8449 -0.436 92
IV.ECNV.HHZ. 2009-12-23T15:33:15.72 0.3 undecidable manual Pg 223 28.3494 0.379 94
IV.GALF.HHE. 2009-12-23T15:33:15.98 0.3 undecidable manual Pg 256 33.1446 0.042 100
IV.ESLN.HHN. 2009-12-23T15:33:13.20 0.3 undecidable manual Pg 160 10.4784 -0.422 95
IV.MSC.EHZ. 2009-12-23T15:33:04.21 10.0 undecidable manual Pg 0 0 0
IV.CDRU.HHE. 2009-12-23T15:33:00.70 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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