Earthquake with magnitude of ML 2.3 on date 19-12-2009 and time 19:41:53 (Italy) in region 7 km SE Randazzo (CT)

A magnitude ML 2.3 earthquake occured in region: 7 km SE Randazzo (CT), on

  • 19-12-2009 18:41:53 (UTC)
  • 19-12-2009 19:41:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8270, 14.9980 at 28 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
Randazzo CT 7 10900 10900
Moio Alcantara ME 9 717 11617
Santa Domenica Vittoria ME 10 980 12597
Maletto CT 12 3920 16517
Malvagna ME 12 733 17250
Roccella Valdemone ME 12 666 17916
Castiglione di Sicilia CT 13 3215 21131
Linguaglossa CT 13 5403 26534
Francavilla di Sicilia ME 15 3945 30479
Bronte CT 15 19172 49651
Milo CT 16 1087 50738
Sant'Alfio CT 16 1582 52320
Piedimonte Etneo CT 16 3963 56283
Maniace CT 17 3765 60048
Motta Camastra ME 17 845 60893
Zafferana Etnea CT 17 9517 70410
Fiumefreddo di Sicilia CT 19 9623 80033
Mascali CT 19 14282 94315
Giarre CT 20 27659 121974
Floresta ME 20 485 122459
Santa Venerina CT 20 8592 131051

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of Acireale (52622 inhabitants)
37 Km N of Catania (314555 inhabitants)
64 Km SW of Messina (238439 inhabitants)
65 Km SW of Reggio di Calabria (183035 inhabitants)
89 Km N of Siracusa (122291 inhabitants)
90 Km E of Caltanissetta (63360 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 2009-12-19
18:41:53
37.827 14.998 28 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1000699
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-12-19 18:41:53 ± 0.34
Latitude 37.8270 ± 0.0108
Longitude 14.9980 ± 0.0137
Depth (km) 28 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1000699

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1418
Semi-minor axis of confidence ellipse (meter) 618
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 39
Circular confidence region, given by single value of horizontal uncertainty (meter) 1697.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 271
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.68618
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 6
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1000699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:10:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GATE.HHN. 2009-12-19T18:42:19.07 10.0 undecidable manual Pg 0 0 0
IV.MELA.HHZ. 2009-12-19T18:42:18.20 10.0 undecidable manual Pg 0 0 0
IV.SSY.HHE. 2009-12-19T18:42:16.87 0.6 undecidable manual Sg 175 74.5698 0.133 62
IV.HVZN.HHE. 2009-12-19T18:42:16.64 0.6 undecidable manual Sg 199 76.1682 -0.502 57
IV.AGST.EHE. 2009-12-19T18:42:14.83 0.6 undecidable manual Sg 162 66.4779 0.18 62
IV.HCRL.HHE. 2009-12-19T18:42:12.96 0.6 undecidable manual Sg 177 60.495 -0.163 63
IV.RAVA.EHN. 2009-12-19T18:42:10.68 10.0 undecidable manual Pg 0 0 0
IV.GALF.HHZ. 2009-12-19T18:42:08.04 0.3 undecidable manual Sg 251 40.0266 -0.076 100
IV.ECNV.HHZ. 2009-12-19T18:42:07.24 0.6 undecidable manual Sg 224 35.9418 0.065 67
IV.HVZN.HHE. 2009-12-19T18:42:07.60 0.3 undecidable manual Pg 199 76.1682 0.335 89
IV.SSY.HHE. 2009-12-19T18:42:06.93 0.3 undecidable manual Pg 175 74.5698 -0.1 92
IV.AGST.EHE. 2009-12-19T18:42:05.75 0.3 undecidable manual Pg 162 66.4779 -0.076 94
BA.PZUN.HHZ. 2009-12-19T18:42:05.51 10.0 undecidable manual Pg 0 0 0
IV.HCRL.HHE. 2009-12-19T18:42:04.66 0.3 undecidable manual Pg 177 60.495 -0.289 91
IV.ECNV.HHZ. 2009-12-19T18:42:02.14 0.3 undecidable manual Pg 224 35.9418 0.628 88
IV.GALF.HHZ. 2009-12-19T18:42:01.82 0.3 undecidable manual Pg 251 40.0266 -0.233 96
NI.AGOR.HHN. 2009-12-19T18:41:49.54 10.0 undecidable manual Pg 0 0 0
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