Earthquake with magnitude of ML 2.3 on date 11-01-2012 and time 10:57:03 (Italy) in region 4 km SE Cerami (EN)

A magnitude ML 2.3 earthquake occured in region: 4 km SE Cerami (EN), on

  • 11-01-2012 09:57:03 (UTC)
  • 11-01-2012 10:57:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7810, 14.5220 at 30 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
Cerami EN 4 2006 2006
Troina EN 7 9373 11379
Gagliano Castelferrato EN 8 3593 14972
Capizzi ME 9 3176 18148
Nicosia EN 11 13899 32047
Agira EN 14 8345 40392
Sperlinga EN 15 805 41197
Nissoria EN 15 3000 44197
San Teodoro ME 17 1403 45600
Regalbuto EN 18 7277 52877
CesarĂ² ME 18 2439 55316
Assoro EN 19 5191 60507
Leonforte EN 19 13439 73946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km NE of Caltanissetta (63360 inhabitants)
59 Km NW of Catania (314555 inhabitants)
60 Km W of Acireale (52622 inhabitants)
83 Km N of Gela (75827 inhabitants)
92 Km N of Vittoria (63339 inhabitants)
95 Km E of Bagheria (55387 inhabitants)
97 Km N of Ragusa (73313 inhabitants)
98 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
ML 2.3 2012-01-11
09:57:03
37.781 14.522 30 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1331209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-01-11 09:57:03 ± 0.25
Latitude 37.7810 ± 0.0180
Longitude 14.5220 ± 0.0193
Depth (km) 30 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1331209

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1749
Semi-minor axis of confidence ellipse (meter) 1287
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 19
Circular confidence region, given by single value of horizontal uncertainty (meter) 2624.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.75
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.24286
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1331209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:29:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
.SOI.EHN. 2012-01-11T09:57:42.69 0.3 undecidable manual Sg 76 137.9619 0.663 55
IV.MEU.SHN. 2012-01-11T09:57:28.42 0.6 undecidable manual Sg 160 79.0653 0.376 45
.SOI.EHN. 2012-01-11T09:57:25.27 0.3 undecidable manual Pg 76 137.9619 -0.594 56
IV.MCSR.HHN. 2012-01-11T09:57:25.83 0.3 undecidable manual Sg 63 69.5748 0.222 71
IV.PLLN.SHZ. 2012-01-11T09:57:19.72 0.6 undecidable manual Sg 305 40.626 1.165 36
IV.MEU.SHN. 2012-01-11T09:57:17.81 0.3 undecidable manual Pg 160 79.0653 0.017 73
IV.MCSR.HHN. 2012-01-11T09:57:15.80 0.3 undecidable manual Pg 63 69.5748 -0.582 66
IV.GIB.HHN. 2012-01-11T09:57:13.21 0.3 undecidable manual Pg 298 49.2174 -0.263 73
IV.PLLN.SHZ. 2012-01-11T09:57:12.09 0.1 undecidable manual Pg 305 40.626 -0.221 100
IV.MESG.HHE. 2012-01-11T09:57:04.30 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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