Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 07-07-2006 and time 15:15:56 (UTC) in region 7 km SE Motta Sant'Anastasia (CT)

A magnitude ML 2.1 earthquake occured in region: 7 km SE Motta Sant'Anastasia (CT), on

  • 07-07-2006 15:15:56 (UTC)
  • 07-07-2006 17:15:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.4520, 14.9990 at 8 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
Motta Sant'Anastasia CT 7 12116 12116
Misterbianco CT 8 49410 61526
Catania CT 10 314555 376081
Camporotondo Etneo CT 13 5023 381104
Gravina di Catania CT 13 25838 406942
San Pietro Clarenza CT 14 7743 414685
Sant'Agata li Battiati CT 14 9479 424164
Mascalucia CT 14 31958 456122
Tremestieri Etneo CT 15 20589 476711
Belpasso CT 16 28108 504819
San Gregorio di Catania CT 16 11966 516785
San Giovanni la Punta CT 16 23060 539845
Paternò CT 16 48228 588073
Aci Castello CT 17 18723 606796
Valverde CT 18 7840 614636
Nicolosi CT 18 7463 622099
Lentini SR 19 24085 646184
Aci Bonaccorsi CT 19 3524 649708
Pedara CT 19 14102 663810
Carlentini SR 20 17798 681608
Viagrande CT 20 8563 690171
Trecastagni CT 20 10910 701081

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km SW of Catania (314555 inhabitants)
23 Km SW of Acireale (52622 inhabitants)
51 Km NW of Siracusa (122291 inhabitants)
63 Km NE of Ragusa (73313 inhabitants)
69 Km N of Modica (54633 inhabitants)
69 Km NE of Vittoria (63339 inhabitants)
79 Km NE of Gela (75827 inhabitants)
83 Km E of Caltanissetta (63360 inhabitants)
93 Km SW of Reggio di Calabria (183035 inhabitants)
96 Km SW of Messina (238439 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 2.2
ML 2.1 		2006-07-07
15:15:56		 37.452 14.999 8 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 578859
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-07-07 15:15:56 ± 0.48
Latitude 37.4520 ± 0.0234
Longitude 14.9990 ± 0.0238
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 578859

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2565
Semi-minor axis of confidence ellipse (meter) 1902
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 126
Circular confidence region, given by single value of horizontal uncertainty (meter) 3342.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 277
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50182
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:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 578859
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:05:45

Md:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 578859
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:05:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.BHN. 2006-07-07T15:16:14.81 0.3 undecidable manual Sg 169 55.6998 0.344 35
IV.HVZN.BHZ. 2006-07-07T15:16:09.86 0.3 undecidable manual Sg 220 39.4272 -0.242 36
IV.SSY.BHZ. 2006-07-07T15:16:08.98 0.3 undecidable manual Sg 169 33.3444 0.781 31
IV.HAVL.BHN. 2006-07-07T15:16:06.58 0.1 undecidable manual Pg 169 55.6998 -0.224 94
IV.AGST.SHN. 2006-07-07T15:16:06.68 0.1 undecidable manual Sg 137 29.6481 -0.253 49
I1.HAGA.BHE. 2006-07-07T15:16:04.48 0.1 undecidable manual Sg 143 23.0547 -0.284 49
IV.HVZN.BHZ. 2006-07-07T15:16:04.45 0.1 undecidable manual Pg 220 39.4272 0.166 98
IV.AGST.SHN. 2006-07-07T15:16:02.79 0.3 undecidable manual Pg 137 29.6481 0.335 72
IV.SSY.BHZ. 2006-07-07T15:16:02.74 0.1 undecidable manual Pg 169 33.3444 -0.447 94
I1.HAGA.BHE. 2006-07-07T15:16:01.43 0.1 undecidable manual Pg 143 23.0547 0.227 100
IV.RAFF.HHN. 2006-07-07T15:15:48.25 10.0 undecidable manual Pg 0 0 0
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