Earthquake with magnitude of ML 2.1 on date 05-11-2011 and time 10:56:59 (Italy) in region 1 km NW Tremestieri Etneo (CT)

A magnitude ML 2.1 earthquake occured in region: 1 km NW Tremestieri Etneo (CT), on

  • 05-11-2011 09:56:59 (UTC)
  • 05-11-2011 10:56:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.5860, 15.0640 at 27 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
Tremestieri Etneo CT 1 20589 20589
Mascalucia CT 2 31958 52547
Gravina di Catania CT 3 25838 78385
San Giovanni la Punta CT 3 23060 101445
Sant'Agata li Battiati CT 3 9479 110924
Pedara CT 4 14102 125026
San Pietro Clarenza CT 4 7743 132769
Trecastagni CT 4 10910 143679
Viagrande CT 4 8563 152242
Aci Bonaccorsi CT 4 3524 155766
San Gregorio di Catania CT 5 11966 167732
Nicolosi CT 5 7463 175195
Camporotondo Etneo CT 5 5023 180218
Valverde CT 6 7840 188058
Aci Sant'Antonio CT 6 17984 206042
Aci Catena CT 7 29851 235893
Belpasso CT 8 28108 264001
Aci Castello CT 8 18723 282724
Misterbianco CT 9 49410 332134
Catania CT 9 314555 646689
Acireale CT 10 52622 699311
Motta Sant'Anastasia CT 12 12116 711427
Ragalna CT 12 3924 715351
Zafferana Etnea CT 13 9517 724868
Santa Venerina CT 13 8592 733460
PaternĂ² CT 14 48228 781688
Santa Maria di Licodia CT 16 7641 789329
Milo CT 16 1087 790416
Biancavilla CT 18 24007 814423
Sant'Alfio CT 19 1582 816005
Giarre CT 19 27659 843664

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km N of Catania (314555 inhabitants)
10 Km W of Acireale (52622 inhabitants)
62 Km NW of Siracusa (122291 inhabitants)
77 Km SW of Reggio di Calabria (183035 inhabitants)
79 Km NE of Ragusa (73313 inhabitants)
80 Km SW of Messina (238439 inhabitants)
85 Km NE of Vittoria (63339 inhabitants)
85 Km NE of Modica (54633 inhabitants)
89 Km E of Caltanissetta (63360 inhabitants)
92 Km NE of Gela (75827 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 1.7
ML 2.1
2011-11-05
09:56:59
37.586 15.064 27 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1305319
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-11-05 09:56:59 ± 0.21
Latitude 37.5860 ± 0.0090
Longitude 15.0640 ± 0.0079
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1305319

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 855
Semi-minor axis of confidence ellipse (meter) 456
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 186
Circular confidence region, given by single value of horizontal uncertainty (meter) 1220.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 326
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42808
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1305319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:53:56

Md:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1305319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:53:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MEU.SHE. 2011-11-05T09:57:18.05 10.0 undecidable manual Pg 0 0 0
IV.SSY.HHN. 2011-11-05T09:57:15.55 0.6 undecidable manual Sg 179 47.5191 0.098 48
IV.HCRL.HHE. 2011-11-05T09:57:12.22 0.6 undecidable manual Sg 185 33.744 0.019 50
IV.HLNI.HHE. 2011-11-05T09:57:11.55 0.6 undecidable manual Sg 213 31.3464 -0.116 49
IV.SSY.HHN. 2011-11-05T09:57:08.58 0.1 undecidable manual Pg 179 47.5191 -0.086 96
IV.MSC.EHZ. 2011-11-05T09:57:07.15 10.0 undecidable manual Pg 0 0 0
IV.HLNI.HHE. 2011-11-05T09:57:06.58 0.1 undecidable manual Pg 213 31.3464 0.099 99
IV.HCRL.HHE. 2011-11-05T09:57:06.77 0.1 undecidable manual Pg 185 33.744 -0.017 100
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
Waveforms Seismic signals in miniseed + resp format Download