Earthquake with magnitude of ML 2.0 on date 20-06-2011 and time 10:49:36 (UTC) in region 13 km N Lentini (SR)

A magnitude ML 2.0 earthquake occured in region: 13 km N Lentini (SR), on

  • 20-06-2011 10:49:36 (UTC)
  • 20-06-2011 12:49:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.3980, 14.9870 at 9 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
Lentini SR 13 24085 24085
Motta Sant'Anastasia CT 13 12116 36201
Carlentini SR 14 17798 53999
Misterbianco CT 14 49410 103409
Catania CT 15 314555 417964
Scordia CT 17 17095 435059
Camporotondo Etneo CT 19 5023 440082
Gravina di Catania CT 19 25838 465920
San Pietro Clarenza CT 20 7743 473663
Sant'Agata li Battiati CT 20 9479 483142

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km SW of Catania (314555 inhabitants)
29 Km SW of Acireale (52622 inhabitants)
46 Km NW of Siracusa (122291 inhabitants)
57 Km NE of Ragusa (73313 inhabitants)
63 Km NE of Modica (54633 inhabitants)
64 Km NE of Vittoria (63339 inhabitants)
75 Km NE of Gela (75827 inhabitants)
82 Km E of Caltanissetta (63360 inhabitants)
98 Km SW of Reggio di Calabria (183035 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 1.8
ML 2.0
2011-06-20
10:49:36
37.398 14.987 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1242699
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-06-20 10:49:36 ± 0.66
Latitude 37.3980 ± 0.0369
Longitude 14.9870 ± 0.0238
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1242699

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4285
Semi-minor axis of confidence ellipse (meter) 1358
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 197
Circular confidence region, given by single value of horizontal uncertainty (meter) 4606.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 249
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.73
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25001
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1242699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 00:26:38

Md:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1242699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 00:26:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHE. 2011-06-20T10:49:47.44 0.6 undecidable manual Sg 164 27.75 0.833 36
IV.HAGA.HHE. 2011-06-20T10:49:44.92 0.6 undecidable manual Sg 130 19.4694 1.001 39
IV.LAV9.HHZ. 2011-06-20T10:49:43.18 10.0 undecidable manual Pg 0 0 0
IV.HCRL.HHZ. 2011-06-20T10:49:41.69 0.3 undecidable manual Sg 162 13.3755 -0.409 69
IV.SSY.HHE. 2011-06-20T10:49:41.95 0.3 undecidable manual Pg 164 27.75 -0.366 74
IV.HLNI.HHZ. 2011-06-20T10:49:41.74 0.6 undecidable manual Sg 241 11.5773 0.161 52
IV.HAGA.HHE. 2011-06-20T10:49:40.63 0.3 undecidable manual Pg 130 19.4694 -0.134 76
IV.HCRL.HHZ. 2011-06-20T10:49:39.44 0.1 undecidable manual Pg 162 13.3755 -0.27 99
IV.HLNI.HHZ. 2011-06-20T10:49:39.62 0.1 undecidable manual Pg 241 11.5773 0.211 100
IV.MTGR.SHZ. 2011-06-20T10:49:25.07 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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