Earthquake with magnitude of ML 2.1 on date 19-12-2009 and time 01:49:11 (UTC) in region 7 km SE Randazzo (CT)

A magnitude ML 2.1 earthquake occured in region: 7 km SE Randazzo (CT), on

  • 19-12-2009 01:49:11 (UTC)
  • 19-12-2009 02:49:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8250, 14.9830 at 36 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
Maletto CT 10 3920 14820
Moio Alcantara ME 10 717 15537
Santa Domenica Vittoria ME 10 980 16517
Malvagna ME 12 733 17250
Roccella Valdemone ME 12 666 17916
Bronte CT 14 19172 37088
Castiglione di Sicilia CT 14 3215 40303
Linguaglossa CT 14 5403 45706
Maniace CT 16 3765 49471
Francavilla di Sicilia ME 16 3945 53416
Milo CT 16 1087 54503
Sant'Alfio CT 17 1582 56085
Piedimonte Etneo CT 17 3963 60048
Zafferana Etnea CT 18 9517 69565
Motta Camastra ME 19 845 70410
Floresta ME 19 485 70895

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of Acireale (52622 inhabitants)
37 Km N of Catania (314555 inhabitants)
65 Km SW of Messina (238439 inhabitants)
66 Km SW of Reggio di Calabria (183035 inhabitants)
89 Km E of Caltanissetta (63360 inhabitants)
89 Km N of Siracusa (122291 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 2.1 2009-12-19
01:49:11
37.825 14.983 36 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1000019
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-12-19 01:49:11 ± 0.41
Latitude 37.8250 ± 0.0252
Longitude 14.9830 ± 0.0137
Depth (km) 36 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1000019

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2869
Semi-minor axis of confidence ellipse (meter) 801
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 14
Circular confidence region, given by single value of horizontal uncertainty (meter) 3046.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 270
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.34804
Epicentral distance of station farthest from the epicenter (degree) 0.67089
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1000019
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:09:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHN. 2009-12-19T01:49:34.84 0.3 undecidable manual Sg 174 74.4699 -0.143 71
IV.AGST.EHN. 2009-12-19T01:49:33.07 0.3 undecidable manual Sg 161 66.6777 0.006 74
IV.GALF.HHZ. 2009-12-19T01:49:26.85 0.6 undecidable manual Sg 251 38.628 0.195 50
IV.SSY.HHN. 2009-12-19T01:49:25.26 0.3 undecidable manual Pg 174 74.4699 0.254 69
IV.AGST.EHN. 2009-12-19T01:49:23.89 0.1 undecidable manual Pg 161 66.6777 -0.008 98
IV.GALF.HHZ. 2009-12-19T01:49:20.03 0.1 undecidable manual Pg 251 38.628 -0.168 100
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