Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 05-11-2009 and time 13:43:25 (Italy) in region 5 km W Zafferana Etnea (CT)

A magnitude ML 2.0 earthquake occured in region: 5 km W Zafferana Etnea (CT), on

  • 05-11-2009 12:43:25 (UTC)
  • 05-11-2009 13:43:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7140, 15.0460 at 1 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Zafferana Etnea CT 6 9517 9517
Milo CT 6 1087 10604
Santa Venerina CT 9 8592 19196
Sant'Alfio CT 9 1582 20778
Pedara CT 11 14102 34880
Nicolosi CT 11 7463 42343
Trecastagni CT 11 10910 53253
Viagrande CT 12 8563 61816
Giarre CT 12 27659 89475
Ragalna CT 13 3924 93399
Aci Sant'Antonio CT 14 17984 111383
Aci Bonaccorsi CT 14 3524 114907
Riposto CT 14 14838 129745
Mascali CT 14 14282 144027
Belpasso CT 15 28108 172135
Aci Catena CT 15 29851 201986
Tremestieri Etneo CT 15 20589 222575
Acireale CT 16 52622 275197
Mascalucia CT 16 31958 307155
San Giovanni la Punta CT 16 23060 330215
San Pietro Clarenza CT 16 7743 337958
Piedimonte Etneo CT 16 3963 341921
Valverde CT 16 7840 349761
Camporotondo Etneo CT 17 5023 354784
Linguaglossa CT 17 5403 360187
Fiumefreddo di Sicilia CT 17 9623 369810
Gravina di Catania CT 17 25838 395648
Sant'Agata li Battiati CT 17 9479 405127
Biancavilla CT 17 24007 429134
San Gregorio di Catania CT 17 11966 441100
Santa Maria di Licodia CT 18 7641 448741
Adrano CT 20 36122 484863
Aci Castello CT 20 18723 503586
Paternò CT 20 48228 551814
Castiglione di Sicilia CT 20 3215 555029

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of Acireale (52622 inhabitants)
24 Km N of Catania (314555 inhabitants)
69 Km SW of Reggio di Calabria (183035 inhabitants)
70 Km SW of Messina (238439 inhabitants)
76 Km N of Siracusa (122291 inhabitants)
90 Km E of Caltanissetta (63360 inhabitants)
92 Km N of Ragusa (73313 inhabitants)
96 Km NE of Vittoria (63339 inhabitants)
98 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 2.5
ML 2.0 		2009-11-05
12:43:25		 37.714 15.046 1 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 986599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-11-05 12:43:25 ± 0.73
Latitude 37.7140 ± 0.0531
Longitude 15.0460 ± 0.0512
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 986599

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 7105
Semi-minor axis of confidence ellipse (meter) 2053
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 324
Circular confidence region, given by single value of horizontal uncertainty (meter) 7420.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 209
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.85
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37861
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 986599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:53:04

Md:2.5

Field Value
Value 2.5
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 986599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:53:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GRI.EHZ. 2009-11-05T12:43:43.45 10.0 undecidable manual Pg 0 0 0
IV.GALF.HHZ. 2009-11-05T12:43:33.77 0.3 undecidable manual Pg 270 42.0246 -0.321 81
IV.MNO.SHZ. 2009-11-05T12:43:33.72 0.6 undecidable manual Pg 308 39.0276 0.238 55
IV.ECNV.HHN. 2009-11-05T12:43:33.27 0.3 undecidable manual Pg 246 32.1456 1.175 59
IV.MMME.HHE. 2009-11-05T12:43:31.82 0.3 undecidable manual Pg 37 30.5472 0.037 87
IV.ESLN.HHZ. 2009-11-05T12:43:28.25 0.6 undecidable manual Sg 250 6.6933 0.245 58
IV.ESLN.HHZ. 2009-11-05T12:43:26.27 0.1 undecidable manual Pg 250 6.6933 -0.744 100
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