Earthquake with magnitude of ML 1.8 on date 16-01-2011 and time 13:36:38 (UTC) in region 5 km W Bronte (CT)

A magnitude ML 1.8 earthquake occured in region: 5 km W Bronte (CT), on

  • 16-01-2011 13:36:38 (UTC)
  • 16-01-2011 14:36:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7850, 14.7720 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
Bronte CT 5 19172 19172
CesarĂ² ME 8 2439 21611
Maniace CT 9 3765 25376
San Teodoro ME 10 1403 26779
Maletto CT 10 3920 30699
Adrano CT 15 36122 66821
Troina EN 15 9373 76194
Biancavilla CT 18 24007 100201
Centuripe EN 18 5470 105671
Regalbuto EN 19 7277 112948
Randazzo CT 19 10900 123848

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NW of Acireale (52622 inhabitants)
42 Km NW of Catania (314555 inhabitants)
70 Km E of Caltanissetta (63360 inhabitants)
83 Km SW of Messina (238439 inhabitants)
85 Km W of Reggio di Calabria (183035 inhabitants)
92 Km NE of Gela (75827 inhabitants)
93 Km NW of Siracusa (122291 inhabitants)
95 Km N of Vittoria (63339 inhabitants)
96 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 1.9
ML 1.8
2011-01-16
13:36:38
37.785 14.772 36 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1162259
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-01-16 13:36:38 ± 0.24
Latitude 37.7850 ± 0.0081
Longitude 14.7720 ± 0.0182
Depth (km) 36 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1162259

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1402
Semi-minor axis of confidence ellipse (meter) 1092
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 263
Circular confidence region, given by single value of horizontal uncertainty (meter) 1835.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 193
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44337
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1162259
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:38:09

Md:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 1162259
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:38:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.STR3.BHE. 2011-01-16T13:37:02.24 10.0 undecidable manual Pg 0 0 0
IV.STR4.BHE. 2011-01-16T13:37:02.55 10.0 undecidable manual Pg 0 0 0
IV.HLNI.HHZ. 2011-01-16T13:36:56.63 0.3 undecidable manual Sg 170 49.2174 0.082 75
IV.GALF.HHZ. 2011-01-16T13:36:50.89 0.6 undecidable manual Sg 245 19.7691 -0.011 54
IV.MNO.SHZ. 2011-01-16T13:36:50.49 0.6 undecidable manual Sg 337 17.5713 -0.111 53
IV.HLNI.HHZ. 2011-01-16T13:36:49.02 0.1 undecidable manual Pg 170 49.2174 -0.11 100
IV.MNO.SHZ. 2011-01-16T13:36:45.82 0.3 undecidable manual Pg 337 17.5713 0.125 79
IV.GALF.HHZ. 2011-01-16T13:36:45.88 0.3 undecidable manual Pg 245 19.7691 0.009 81
IV.MEU.SHZ. 2011-01-16T13:36:29.39 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