Earthquake with magnitude of ML 2.2 on date 18-08-2005 and time 03:49:37 (Italy) in region 5 km W Motta Sant'Anastasia (CT)

A magnitude ML 2.2 earthquake occured in region: 5 km W Motta Sant'Anastasia (CT), on

  • 18-08-2005 01:49:37 (UTC)
  • 18-08-2005 03:49:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.5160, 14.9120 at 20 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
Motta Sant'Anastasia CT 5 12116 12116
PaternĂ² CT 7 48228 60344
Misterbianco CT 8 49410 109754
Camporotondo Etneo CT 10 5023 114777
Belpasso CT 10 28108 142885
Santa Maria di Licodia CT 12 7641 150526
San Pietro Clarenza CT 12 7743 158269
Ragalna CT 13 3924 162193
Mascalucia CT 14 31958 194151
Gravina di Catania CT 14 25838 219989
Biancavilla CT 15 24007 243996
Nicolosi CT 15 7463 251459
Catania CT 16 314555 566014
Sant'Agata li Battiati CT 16 9479 575493
Tremestieri Etneo CT 16 20589 596082
Pedara CT 17 14102 610184
San Giovanni la Punta CT 18 23060 633244
Adrano CT 18 36122 669366
San Gregorio di Catania CT 18 11966 681332
Trecastagni CT 19 10910 692242
Centuripe EN 19 5470 697712
Viagrande CT 20 8563 706275
Aci Bonaccorsi CT 20 3524 709799

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km W of Catania (314555 inhabitants)
25 Km W of Acireale (52622 inhabitants)
61 Km NW of Siracusa (122291 inhabitants)
68 Km N of Ragusa (73313 inhabitants)
71 Km NE of Vittoria (63339 inhabitants)
74 Km N of Modica (54633 inhabitants)
75 Km E of Caltanissetta (63360 inhabitants)
77 Km NE of Gela (75827 inhabitants)
92 Km SW of Reggio di Calabria (183035 inhabitants)
94 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 2.3
ML 2.2
2005-08-18
01:49:37
37.516 14.912 20 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 530249
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-08-18 01:49:37 ± 0.18
Latitude 37.5160 ± 0.0045
Longitude 14.9120 ± 0.0102
Depth (km) 20 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 530249

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 808
Semi-minor axis of confidence ellipse (meter) 427
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 82
Circular confidence region, given by single value of horizontal uncertainty (meter) 1029.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 171
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56657
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 530249
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:15:35

Md:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 530249
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:15:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NL9.SHZ. 2005-08-18T01:50:04.44 10.0 undecidable manual Pg 0 0 0
IV.VAI.SHZ. 2005-08-18T01:50:02.94 10.0 undecidable manual Sg 0 0 0
IV.HMDC.BHE. 2005-08-18T01:49:58.93 0.1 undecidable manual Sg 190 62.8926 0.381 45
IV.SSY.BHN. 2005-08-18T01:49:52.94 0.1 undecidable manual Sg 160 42.2244 0.326 47
IV.HVZN.BHZ. 2005-08-18T01:49:52.60 0.1 undecidable manual Sg 205 41.3253 0.249 48
IV.AGST.SHN. 2005-08-18T01:49:51.84 0.1 undecidable manual Sg 136 40.0266 -0.142 49
IV.HMDC.BHE. 2005-08-18T01:49:49.00 0.1 undecidable manual Pg 190 62.8926 -0.364 89
I1.MMME.BHZ. 2005-08-18T01:49:48.51 0.1 undecidable manual Pg 33 55.3002 0.386 90
IV.VAI.SHZ. 2005-08-18T01:49:47.02 10.0 undecidable manual Pg 0 0 0
IV.PZI.SHZ. 2005-08-18T01:49:47.39 0.1 undecidable manual Pg 176 51.0156 -0.047 97
IV.ESLN.BHZ. 2005-08-18T01:49:46.81 0.1 undecidable manual Sg 16 20.3685 -0.031 51
IV.SSY.BHN. 2005-08-18T01:49:46.02 0.1 undecidable manual Pg 160 42.2244 -0.01 99
IV.HVZN.BHZ. 2005-08-18T01:49:45.80 0.1 undecidable manual Pg 205 41.3253 -0.083 98
IV.AGST.SHN. 2005-08-18T01:49:45.59 0.1 undecidable manual Pg 136 40.0266 -0.085 99
IV.ESLN.BHZ. 2005-08-18T01:49:42.64 0.1 undecidable manual Pg 16 20.3685 -0.147 100
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