Earthquake with magnitude of ML 2.3 on date 19-12-2009 and time 04:08:28 (UTC) in region 9 km E Maletto (CT)

A magnitude ML 2.3 earthquake occured in region: 9 km E Maletto (CT), on

  • 19-12-2009 04:08:28 (UTC)
  • 19-12-2009 05:08:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8000, 14.9580 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
Maletto CT 9 3920 3920
Randazzo CT 9 10900 14820
Bronte CT 11 19172 33992
Santa Domenica Vittoria ME 13 980 34972
Moio Alcantara ME 14 717 35689
Maniace CT 15 3765 39454
Roccella Valdemone ME 16 666 40120
Malvagna ME 16 733 40853
Milo CT 16 1087 41940
Linguaglossa CT 17 5403 47343
Castiglione di Sicilia CT 17 3215 50558
Zafferana Etnea CT 17 9517 60075
Sant'Alfio CT 18 1582 61657
Adrano CT 19 36122 97779
Ragalna CT 19 3924 101703
Biancavilla CT 19 24007 125710
Francavilla di Sicilia ME 19 3945 129655
Piedimonte Etneo CT 19 3963 133618

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of Acireale (52622 inhabitants)
35 Km NW of Catania (314555 inhabitants)
68 Km SW of Messina (238439 inhabitants)
69 Km SW of Reggio di Calabria (183035 inhabitants)
86 Km E of Caltanissetta (63360 inhabitants)
87 Km NW of Siracusa (122291 inhabitants)
99 Km N of Ragusa (73313 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
Md 2.1
ML 2.3
2009-12-19
04:08:28
37.8 14.958 36 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1000049
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-12-19 04:08:28 ± 0.06
Latitude 37.8000 ± 0.0036
Longitude 14.9580 ± 0.0046
Depth (km) 36 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1000049

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 568
Semi-minor axis of confidence ellipse (meter) 137
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 565.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 264
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.03
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64841
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1000049
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:09:48

Md:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1000049
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:09:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTGR.SHZ. 2009-12-19T04:09:29.89 10.0 undecidable manual Pg 0 0 0
IV.SSY.HHN. 2009-12-19T04:08:51.35 0.6 undecidable manual Sg 172 71.9724 0.004 50
IV.AGST.EHZ. 2009-12-19T04:08:49.63 0.3 undecidable manual Sg 158 64.7907 0.018 75
IV.GALF.HHE. 2009-12-19T04:08:43.07 0.3 undecidable manual Sg 254 35.742 -0.019 79
IV.SSY.HHN. 2009-12-19T04:08:41.62 0.3 undecidable manual Pg 172 71.9724 -0.003 74
IV.AGST.EHZ. 2009-12-19T04:08:40.60 0.1 undecidable manual Pg 158 64.7907 -0.023 100
IV.GALF.HHE. 2009-12-19T04:08:36.89 0.3 undecidable manual Pg 254 35.742 0.033 79
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