Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 09-09-2015 and time 14:58:37 (Italy) in region 6 km NW Zafferana Etnea (CT)

A magnitude ML 2.2 earthquake occured in region: 6 km NW Zafferana Etnea (CT), on

  • 09-09-2015 12:58:37 (UTC)
  • 09-09-2015 14:58:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7240, 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
Sant'Alfio CT 9 1582 12186
Santa Venerina CT 9 8592 20778
Pedara CT 12 14102 34880
Nicolosi CT 12 7463 42343
Trecastagni CT 12 10910 53253
Giarre CT 12 27659 80912
Viagrande CT 13 8563 89475
Mascali CT 14 14282 103757
Ragalna CT 14 3924 107681
Riposto CT 14 14838 122519
Aci Sant'Antonio CT 15 17984 140503
Aci Bonaccorsi CT 15 3524 144027
Piedimonte Etneo CT 15 3963 147990
Linguaglossa CT 16 5403 153393
Belpasso CT 16 28108 181501
Aci Catena CT 16 29851 211352
Acireale CT 16 52622 263974
Fiumefreddo di Sicilia CT 16 9623 273597
Tremestieri Etneo CT 17 20589 294186
Mascalucia CT 17 31958 326144
San Pietro Clarenza CT 17 7743 333887
San Giovanni la Punta CT 17 23060 356947
Valverde CT 18 7840 364787
Camporotondo Etneo CT 18 5023 369810
Biancavilla CT 18 24007 393817
Gravina di Catania CT 18 25838 419655
Santa Maria di Licodia CT 18 7641 427296
San Gregorio di Catania CT 18 11966 439262
Sant'Agata li Battiati CT 19 9479 448741
Castiglione di Sicilia CT 19 3215 451956
Randazzo CT 19 10900 462856
Moio Alcantara ME 20 717 463573
Calatabiano CT 20 5308 468881
Maletto CT 20 3920 472801
Adrano CT 20 36122 508923

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of Acireale (52622 inhabitants)
25 Km N of Catania (314555 inhabitants)
68 Km SW of Reggio di Calabria (183035 inhabitants)
69 Km SW of Messina (238439 inhabitants)
77 Km N of Siracusa (122291 inhabitants)
90 Km E of Caltanissetta (63360 inhabitants)
93 Km N of Ragusa (73313 inhabitants)
97 Km NE of Vittoria (63339 inhabitants)
99 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 		ML 2.2 2015-09-09
12:58:37		 37.724 15.0455 1 2016-02-19
13:21:47		 Bollettino Sismico Italiano INGV 23178621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-09-09 12:58:37 ± 0.29
Latitude 37.7240 ± 0.0162
Longitude 15.0455 ± 0.0205
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 23178621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1920
Semi-minor axis of confidence ellipse (meter) 1650
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 312
Circular confidence region, given by single value of horizontal uncertainty (meter) 1920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.56
Epicentral distance of station closest to the epicenter (degree) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.47304
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 23178621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-01-21 11:24:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSFR.HHZ. 2015-09-09T12:58:48.41 0.6 undecidable manual P 311 52.503 91 0.35 47
IV.MCSR.HHZ. 2015-09-09T12:58:46.47 0.3 undecidable manual P 23 41.1255 91 0.7 65
IV.GALF.HHZ. 2015-09-09T12:58:46.89 0.3 undecidable manual P 268 42.0246 91 0.93 59
IV.MUCR.HHE. 2015-09-09T12:58:45.11 0.3 undecidable manual P 337 38.4282 91 -0.12 77
IV.NOV.HHZ. 2015-09-09T12:58:44.79 0.3 undecidable manual P 13 34.6431 92 0.32 74
IV.ESML.HHZ. 2015-09-09T12:58:42.08 0.3 undecidable manual P 231 18.7701 93 0.79 65
IV.EPZF.HHZ. 2015-09-09T12:58:41.00 0.3 undecidable manual P 304 19.869 93 -0.52 73
IV.EMSG.HHZ. 2015-09-09T12:58:39.58 0.1 undecidable manual P 322 13.6752 94 -0.69 92
IV.EPOZ.HHZ. 2015-09-09T12:58:39.84 0.3 undecidable manual P 115 13.7751 94 -0.46 74
IV.ESLN.HHZ. 2015-09-09T12:58:38.48 0.1 undecidable manual P 242 7.0929 98 -0.48 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMSG.HHE. ML:2.2 0.00191 0.44 AML other m 2015-09-09T12:59:01.18
IV.EMSG.HHN. ML:2.1 0.0017999999999999997 1.26 AML other m 2015-09-09T12:59:02.00
IV.ESLN.HHE. ML:2.2 0.0027750000000000006 1.1 AML other m 2015-09-09T12:58:48.06
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