Earthquake with magnitude of ML 2.3 on date 23-12-2009 and time 17:28:44 (Italy) in region 10 km SE Maletto (CT)

A magnitude ML 2.3 earthquake occured in region: 10 km SE Maletto (CT), on

  • 23-12-2009 16:28:44 (UTC)
  • 23-12-2009 17:28:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7820, 14.9620 at 32 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 10 3920 3920
Randazzo CT 11 10900 14820
Bronte CT 11 19172 33992
Milo CT 15 1087 35079
Santa Domenica Vittoria ME 15 980 36059
Moio Alcantara ME 15 717 36776
Zafferana Etnea CT 16 9517 46293
Maniace CT 16 3765 50058
Sant'Alfio CT 17 1582 51640
Ragalna CT 17 3924 55564
Adrano CT 17 36122 91686
Malvagna ME 17 733 92419
Roccella Valdemone ME 17 666 93085
Linguaglossa CT 17 5403 98488
Biancavilla CT 18 24007 122495
Castiglione di Sicilia CT 18 3215 125710
Santa Venerina CT 19 8592 134302
Piedimonte Etneo CT 19 3963 138265
Santa Maria di Licodia CT 19 7641 145906
Nicolosi CT 19 7463 153369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of Acireale (52622 inhabitants)
33 Km NW of Catania (314555 inhabitants)
69 Km SW of Messina (238439 inhabitants)
70 Km SW of Reggio di Calabria (183035 inhabitants)
85 Km NW of Siracusa (122291 inhabitants)
86 Km E of Caltanissetta (63360 inhabitants)
97 Km N of Ragusa (73313 inhabitants)
100 Km NE of Vittoria (63339 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 2.3 2009-12-23
16:28:44
37.782 14.962 32 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1001519
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-12-23 16:28:44 ± 0.15
Latitude 37.7820 ± 0.0081
Longitude 14.9620 ± 0.0114
Depth (km) 32 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1001519

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 833
Semi-minor axis of confidence ellipse (meter) 711
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 134
Circular confidence region, given by single value of horizontal uncertainty (meter) 1345.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
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) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.90832
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 11
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1001519
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:11:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NOVE.EHZ. 2009-12-23T16:30:00.66 10.0 undecidable manual Pg 0 0 0
IV.SBPO.HHN. 2009-12-23T16:29:58.29 10.0 undecidable manual Pg 0 0 0
IV.ZCCA.HHN. 2009-12-23T16:29:40.25 10.0 undecidable manual Pg 0 0 0
IV.CRAC.EHZ. 2009-12-23T16:29:34.31 10.0 undecidable manual Pg 0 0 0
IV.PE9.EHZ. 2009-12-23T16:29:24.38 10.0 undecidable manual Pg 0 0 0
IV.HAVL.HHN. 2009-12-23T16:29:12.78 0.6 undecidable manual Sg 171 92.3409 0.2 61
IV.HVZN.HHZ. 2009-12-23T16:29:07.30 0.6 undecidable manual Sg 198 70.374 0.317 62
IV.SSY.HHN. 2009-12-23T16:29:07.22 0.6 undecidable manual Sg 172 69.9744 0.353 62
IV.HCRL.HHN. 2009-12-23T16:29:03.32 0.6 undecidable manual Sg 174 55.6998 -0.015 67
IV.SOI.EHN. 2009-12-23T16:29:02.71 0.3 undecidable manual Pg 71 100.8213 0.62 80
IV.HAVL.HHN. 2009-12-23T16:29:00.55 0.3 undecidable manual Pg 171 92.3409 -0.285 89
IV.CSLB.SHZ. 2009-12-23T16:28:59.11 0.6 undecidable manual Pg 283 81.0522 -0.061 64
IV.MSRU.HHZ. 2009-12-23T16:28:58.05 0.3 undecidable manual Pg 42 71.6727 0.265 93
IV.GALF.HHZ. 2009-12-23T16:28:58.98 0.3 undecidable manual Sg 257 35.6421 0.259 100
IV.ECNV.HHE. 2009-12-23T16:28:57.61 0.6 undecidable manual Sg 227 30.1476 0.012 71
IV.MMME.HHZ. 2009-12-23T16:28:57.84 0.6 undecidable manual Sg 56 30.6471 0.137 69
IV.HVZN.HHZ. 2009-12-23T16:28:57.28 0.3 undecidable manual Pg 198 70.374 -0.322 93
IV.SSY.HHN. 2009-12-23T16:28:57.31 0.3 undecidable manual Pg 172 69.9744 -0.227 94
IV.IVPL.HHZ. 2009-12-23T16:28:56.79 0.3 undecidable manual Pg 1 65.9895 -0.171 97
IV.HCRL.HHN. 2009-12-23T16:28:55.07 0.3 undecidable manual Pg 174 55.6998 -0.427 93
IV.GALF.HHZ. 2009-12-23T16:28:52.41 0.3 undecidable manual Pg 257 35.6421 -0.423 97
IV.ECNV.HHE. 2009-12-23T16:28:52.76 0.3 undecidable manual Pg 227 30.1476 0.577 93
IV.MMME.HHZ. 2009-12-23T16:28:51.87 0.3 undecidable manual Pg 56 30.6471 -0.374 99
IV.RDP.HHN. 2009-12-23T16:28:47.52 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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