Earthquake with magnitude of ML 2.1 on date 27-07-2011 and time 03:42:32 (UTC) in region 4 km SE Castel di Lucio (ME)

A magnitude ML 2.1 earthquake occured in region: 4 km SE Castel di Lucio (ME), on

  • 27-07-2011 03:42:32 (UTC)
  • 27-07-2011 05:42:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8680, 14.3470 at 2 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
Castel di Lucio ME 4 1294 1294
Mistretta ME 7 4791 6085
Sperlinga EN 11 805 6890
Capizzi ME 12 3176 10066
Reitano ME 12 806 10872
Pettineo ME 12 1350 12222
Motta d'Affermo ME 13 739 12961
Nicosia EN 14 13899 26860
Gangi PA 15 6811 33671
San Mauro Castelverde PA 15 1701 35372
Cerami EN 15 2006 37378
Tusa ME 16 2925 40303
Santo Stefano di Camastra ME 17 4694 44997
Geraci Siculo PA 17 1945 46942
Caronia ME 19 3364 50306

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km NE of Caltanissetta (63360 inhabitants)
77 Km NW of Catania (314555 inhabitants)
77 Km E of Bagheria (55387 inhabitants)
78 Km W of Acireale (52622 inhabitants)
90 Km N of Gela (75827 inhabitants)
91 Km E of Palermo (674435 inhabitants)
91 Km NE of Agrigento (59770 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 2.4
ML 2.1
2011-07-27
03:42:32
37.868 14.347 2 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1264209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-07-27 03:42:32 ± 0.14
Latitude 37.8680 ± 0.0108
Longitude 14.3470 ± 0.0068
Depth (km) 2 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1264209

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1176
Semi-minor axis of confidence ellipse (meter) 281
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 1
Circular confidence region, given by single value of horizontal uncertainty (meter) 1341.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.61
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.36067
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1264209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 00:56:16

Md:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1264209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 00:56:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.CLTB.HHZ. 2011-07-27T03:43:10.74 10.0 undecidable manual Sg 0 0 0
MN.CLTB.HHZ. 2011-07-27T03:43:10.13 10.0 undecidable manual Pg 0 0 0
IV.MILZ.HHE. 2011-07-27T03:43:00.86 0.3 undecidable manual Sg 60 89.244 0.243 64
IV.SOI.EHZ. 2011-07-27T03:42:58.43 0.3 undecidable manual Pg 81 151.0377 0.28 56
IV.MTGR.SHZ. 2011-07-27T03:42:56.54 10.0 undecidable manual Pg 0 0 0
IV.MMGO.SHZ. 2011-07-27T03:42:54.30 0.3 undecidable manual Pg 260 122.2887 0.572 55
IV.CRJA.SHZ. 2011-07-27T03:42:53.75 0.3 undecidable manual Pg 267 117.8931 0.709 53
IV.SSY.HHN. 2011-07-27T03:42:53.38 10.0 undecidable manual Pg 0 0 0
IV.MPNC.HHN. 2011-07-27T03:42:52.18 10.0 undecidable manual Pg 0 0 0
IV.ALJA.HHZ. 2011-07-27T03:42:51.20 0.3 undecidable manual Sg 256 53.6019 0.319 68
IV.ECNV.HHN. 2011-07-27T03:42:50.90 10.0 undecidable manual Pg 0 0 0
IV.ATN.BHZ. 2011-07-27T03:42:50.31 0.3 undecidable manual Pg 71 102.9192 -0.423 60
IV.MMME.HHN. 2011-07-27T03:42:50.09 10.0 undecidable manual Pg 0 0 0
IV.MCSR.HHN. 2011-07-27T03:42:49.16 10.0 undecidable manual Sg 0 0 0
IV.MPG.SHZ. 2011-07-27T03:42:48.26 0.3 undecidable manual Pg 291 92.241 -0.828 53
IV.MILZ.HHE. 2011-07-27T03:42:47.89 0.6 undecidable manual Pg 60 89.244 -0.74 37
IV.SOLUN.HHZ. 2011-07-27T03:42:46.44 0.1 undecidable manual Pg 289 75.4689 -0.06 92
IV.IACL.HHN. 2011-07-27T03:42:46.11 10.0 undecidable manual Pg 0 0 0
IV.MCSR.HHN. 2011-07-27T03:42:45.24 10.0 undecidable manual Pg 0 0 0
IV.MNO.SHZ. 2011-07-27T03:42:44.36 0.6 undecidable manual Sg 77 31.2465 1.248 32
IV.NOV.HHZ. 2011-07-27T03:42:44.72 10.0 undecidable manual Pg 0 0 0
IV.ALJA.HHZ. 2011-07-27T03:42:42.59 0.3 undecidable manual Pg 256 53.6019 -0.419 66
IV.GIB.HHZ. 2011-07-27T03:42:42.79 0.6 undecidable manual Sg 296 31.1466 -0.304 47
IV.MUCR.HHN. 2011-07-27T03:42:41.41 0.3 undecidable manual Pg 67 50.0166 -0.867 56
IV.PLLN.SHZ. 2011-07-27T03:42:40.93 0.3 undecidable manual Sg 308 22.5552 0.819 61
IV.CAGR.HHN. 2011-07-27T03:42:38.45 0.3 undecidable manual Pg 154 30.4473 0.097 74
IV.GIB.HHZ. 2011-07-27T03:42:38.03 0.3 undecidable manual Pg 296 31.1466 -0.482 68
IV.MSFR.HHN. 2011-07-27T03:42:38.04 0.1 undecidable manual Pg 49 28.2495 0.122 99
IV.MNO.SHZ. 2011-07-27T03:42:38.64 0.1 undecidable manual Pg 77 31.2465 0.117 98
IV.GALF.HHE. 2011-07-27T03:42:37.38 0.3 undecidable manual Pg 132 25.9518 -0.087 75
IV.PLLN.SHZ. 2011-07-27T03:42:36.69 0.1 undecidable manual Pg 308 22.5552 -0.1 100
IV.PTF.SHZ. 2011-07-27T03:42:36.40 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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