Earthquake with magnitude of ML 2.2 on date 28-09-2011 and time 17:54:32 (Italy) in region 10 km NE Biancavilla (CT)

A magnitude ML 2.2 earthquake occured in region: 10 km NE Biancavilla (CT), on

  • 28-09-2011 15:54:32 (UTC)
  • 28-09-2011 17:54:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7210, 14.9240 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
Biancavilla CT 10 24007 24007
Ragalna CT 10 3924 27931
Adrano CT 10 36122 64053
Bronte CT 11 19172 83225
Santa Maria di Licodia CT 12 7641 90866
Maletto CT 13 3920 94786
Nicolosi CT 15 7463 102249
Belpasso CT 15 28108 130357
PaternĂ² CT 16 48228 178585
Zafferana Etnea CT 16 9517 188102
Pedara CT 17 14102 202204
Milo CT 17 1087 203291
Randazzo CT 18 10900 214191
Trecastagni CT 18 10910 225101
Camporotondo Etneo CT 19 5023 230124
San Pietro Clarenza CT 19 7743 237867
Maniace CT 19 3765 241632
Santa Venerina CT 19 8592 250224
Centuripe EN 20 5470 255694
Viagrande CT 20 8563 264257
Sant'Alfio CT 20 1582 265839
Mascalucia CT 20 31958 297797

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NW of Acireale (52622 inhabitants)
28 Km NW of Catania (314555 inhabitants)
77 Km SW of Messina (238439 inhabitants)
77 Km SW of Reggio di Calabria (183035 inhabitants)
80 Km E of Caltanissetta (63360 inhabitants)
80 Km NW of Siracusa (122291 inhabitants)
90 Km N of Ragusa (73313 inhabitants)
92 Km NE of Vittoria (63339 inhabitants)
94 Km NE of Gela (75827 inhabitants)
97 Km N of Modica (54633 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 2.2
2011-09-28
15:54:32
37.721 14.924 30 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1291739
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-09-28 15:54:32 ± 0.16
Latitude 37.7210 ± 0.0045
Longitude 14.9240 ± 0.0136
Depth (km) 30 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1291739

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1036
Semi-minor axis of confidence ellipse (meter) 626
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 94
Circular confidence region, given by single value of horizontal uncertainty (meter) 1300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.77701
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1291739
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:35:01

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1291739
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:35:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHE. 2011-09-28T15:54:58.20 10.0 undecidable manual Pg 0 0 0
IV.HAVL.HHN. 2011-09-28T15:54:58.55 0.3 undecidable manual Sg 168 86.247 -0.192 72
IV.ATN.BHN. 2011-09-28T15:54:53.90 10.0 undecidable manual Pg 0 0 0
IV.SSY.HHE. 2011-09-28T15:54:53.53 0.3 undecidable manual Sg 168 63.8916 0.512 71
IV.MPNC.HHZ. 2011-09-28T15:54:52.52 0.6 undecidable manual Sg 38 60.3951 0.375 49
IV.ARCI.HHN. 2011-09-28T15:54:51.40 10.0 undecidable manual Pg 0 0 0
IV.HCRL.HHE. 2011-09-28T15:54:49.74 0.3 undecidable manual Sg 169 49.5171 0.261 77
IV.MCSR.HHE. 2011-09-28T15:54:48.90 0.3 undecidable manual Sg 35 46.62 0.099 80
IV.HAVL.HHN. 2011-09-28T15:54:47.50 0.3 undecidable manual Pg 168 86.247 -0.214 72
IV.HLNI.HHN. 2011-09-28T15:54:47.53 0.3 undecidable manual Sg 186 41.5251 -0.073 80
IV.NOV.HHZ. 2011-09-28T15:54:47.32 0.6 undecidable manual Sg 29 38.8278 0.329 51
IV.MUCR.HHN. 2011-09-28T15:54:46.11 0.3 undecidable manual Sg 353 36.0417 -0.252 79
IV.MMME.HHZ. 2011-09-28T15:54:46.77 0.3 undecidable manual Sg 50 37.4292 0.086 82
IV.MNO.SHZ. 2011-09-28T15:54:45.09 0.6 undecidable manual Sg 319 30.747 -0.148 55
IV.MPNC.HHZ. 2011-09-28T15:54:44.12 0.3 undecidable manual Pg 38 60.3951 0.216 76
IV.SSY.HHE. 2011-09-28T15:54:44.32 0.3 undecidable manual Pg 168 63.8916 -0.089 77
IV.MCSR.HHE. 2011-09-28T15:54:42.02 0.3 undecidable manual Pg 35 46.62 0.046 80
IV.HCRL.HHE. 2011-09-28T15:54:42.03 0.3 undecidable manual Pg 169 49.5171 -0.334 75
IV.CAGR.HHE. 2011-09-28T15:54:41.87 0.3 undecidable manual Pg 254 38.7279 0.951 60
IV.MMME.HHZ. 2011-09-28T15:54:40.84 0.3 undecidable manual Pg 50 37.4292 0.088 81
IV.NOV.HHZ. 2011-09-28T15:54:40.92 0.3 undecidable manual Pg 29 38.8278 -0.008 82
IV.MUCR.HHN. 2011-09-28T15:54:40.07 0.1 undecidable manual Pg 353 36.0417 -0.496 100
IV.HLNI.HHN. 2011-09-28T15:54:40.76 0.3 undecidable manual Pg 186 41.5251 -0.522 73
IV.MNO.SHZ. 2011-09-28T15:54:39.72 0.3 undecidable manual Pg 319 30.747 -0.198 81
IV.ECNV.HHZ. 2011-09-28T15:54:39.25 0.3 undecidable manual Pg 233 23.1546 0.177 81
IV.FAGN.HHE. 2011-09-28T15:54:17.60 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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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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