Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 03-07-2010 and time 22:07:11 (Italy) in region 3 km E Grammichele (CT)

A magnitude ML 1.3 earthquake occured in region: 3 km E Grammichele (CT), on

  • 03-07-2010 20:07:11 (UTC)
  • 03-07-2010 22:07:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.2220, 14.6700 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
Grammichele CT 3 13418 13418
Mineo CT 5 5159 18577
Licodia Eubea CT 8 3081 21658
Vizzini CT 10 6241 27899
Militello in Val di Catania CT 13 7443 35342
Palagonia CT 14 16608 51950
Caltagirone CT 14 38686 90636
Monterosso Almo RG 17 3032 93668
Scordia CT 18 17095 110763
Mazzarrone CT 18 4078 114841
Ramacca CT 18 10894 125735
Francofonte SR 19 12800 138535
Buccheri SR 19 1999 140534

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Vittoria (63339 inhabitants)
33 Km N of Ragusa (73313 inhabitants)
41 Km E of Gela (75827 inhabitants)
41 Km N of Modica (54633 inhabitants)
48 Km SW of Catania (314555 inhabitants)
58 Km W of Siracusa (122291 inhabitants)
62 Km SE of Caltanissetta (63360 inhabitants)
62 Km SW of Acireale (52622 inhabitants)
97 Km E of Agrigento (59770 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 1.8
ML 1.3 		2010-07-03
20:07:11		 37.222 14.67 8 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1076459
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-07-03 20:07:11 ± 0.18
Latitude 37.2220 ± 0.0126
Longitude 14.6700 ± 0.0090
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1076459

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1403
Semi-minor axis of confidence ellipse (meter) 480
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 175
Circular confidence region, given by single value of horizontal uncertainty (meter) 1612.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32735
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1076459
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 20:46:24

Md:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1076459
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 20:46:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIPA.HHZ. 2010-07-03T20:07:45.13 10.0 undecidable manual Pg 0 0 0
IV.RSM.HHZ. 2010-07-03T20:07:31.44 10.0 undecidable manual Pg 0 0 0
IV.SSY.HHN. 2010-07-03T20:07:25.17 0.6 undecidable manual Sg 101 36.3414 0.415 45
IV.HCRL.HHN. 2010-07-03T20:07:23.91 0.6 undecidable manual Sg 78 32.745 0.316 46
IV.RAFF.HHE. 2010-07-03T20:07:22.53 0.6 undecidable manual Sg 270 27.1506 0.794 40
IV.HLNI.HHN. 2010-07-03T20:07:20.56 0.6 undecidable manual Sg 52 22.6551 0.316 47
IV.SSY.HHN. 2010-07-03T20:07:19.18 0.6 undecidable manual Pg 101 36.3414 -0.146 47
IV.ILLI.HHZ. 2010-07-03T20:07:19.40 10.0 undecidable manual Pg 0 0 0
IV.HCRL.HHN. 2010-07-03T20:07:18.15 0.3 undecidable manual Pg 78 32.745 -0.504 66
IV.RAFF.HHE. 2010-07-03T20:07:17.28 0.1 undecidable manual Pg 270 27.1506 -0.301 93
IV.MTGR.SHZ. 2010-07-03T20:07:17.20 10.0 undecidable manual Pg 0 0 0
IV.HLNI.HHN. 2010-07-03T20:07:16.57 0.3 undecidable manual Pg 52 22.6551 -0.152 73
IV.HVZN.HHZ. 2010-07-03T20:07:15.59 0.3 undecidable manual Sg 141 6.2937 0.15 75
IV.HVZN.HHZ. 2010-07-03T20:07:13.82 0.1 undecidable manual Pg 141 6.2937 -0.128 100
IV.CDCA.EHE. 2010-07-03T20:07:10.27 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