Earthquake with magnitude of ML 1.8 on date 18-08-2005 and time 01:21:16 (UTC) in region 4 km S Paternò (CT)

A magnitude ML 1.8 earthquake occured in region: 4 km S Paternò (CT), on

  • 18-08-2005 01:21:16 (UTC)
  • 18-08-2005 03:21:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.5440, 14.9080 at 9 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
Paternò CT 4 48228 48228
Motta Sant'Anastasia CT 7 12116 60344
Belpasso CT 8 28108 88452
Santa Maria di Licodia CT 8 7641 96093
Camporotondo Etneo CT 9 5023 101116
Misterbianco CT 9 49410 150526
Ragalna CT 10 3924 154450
San Pietro Clarenza CT 11 7743 162193
Biancavilla CT 11 24007 186200
Nicolosi CT 13 7463 193663
Mascalucia CT 13 31958 225621
Gravina di Catania CT 14 25838 251459
Adrano CT 15 36122 287581
Tremestieri Etneo CT 15 20589 308170
Sant'Agata li Battiati CT 15 9479 317649
Pedara CT 16 14102 331751
Catania CT 17 314555 646306
San Giovanni la Punta CT 17 23060 669366
Centuripe EN 17 5470 674836
Trecastagni CT 17 10910 685746
San Gregorio di Catania CT 18 11966 697712
Viagrande CT 18 8563 706275
Aci Bonaccorsi CT 19 3524 709799
Catenanuova EN 19 4866 714665
Valverde CT 20 7840 722505

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km W of Catania (314555 inhabitants)
24 Km W of Acireale (52622 inhabitants)
64 Km NW of Siracusa (122291 inhabitants)
71 Km N of Ragusa (73313 inhabitants)
74 Km NE of Vittoria (63339 inhabitants)
75 Km E of Caltanissetta (63360 inhabitants)
77 Km N of Modica (54633 inhabitants)
79 Km NE of Gela (75827 inhabitants)
90 Km SW of Reggio di Calabria (183035 inhabitants)
92 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 2.1
ML 1.8
2005-08-18
01:21:16
37.544 14.908 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 530239
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-08-18 01:21:16 ± 0.13
Latitude 37.5440 ± 0.0063
Longitude 14.9080 ± 0.0045
Depth (km) 9 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 530239

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 684
Semi-minor axis of confidence ellipse (meter) 421
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 351
Circular confidence region, given by single value of horizontal uncertainty (meter) 806.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 296
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59355
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 530239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:15:34

Md:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 530239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:15:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HMDC.BHE. 2005-08-18T01:21:37.84 0.1 undecidable manual Sg 190 65.8896 0.003 48
IV.HVZN.BHE. 2005-08-18T01:21:31.31 0.3 undecidable manual Sg 203 44.0226 -0.034 37
IV.SSY.BHN. 2005-08-18T01:21:31.83 0.1 undecidable manual Sg 161 45.3213 0.104 49
IV.AGST.EHE. 2005-08-18T01:21:30.80 0.1 undecidable manual Sg 139 42.5241 -0.103 49
IV.HMDC.BHE. 2005-08-18T01:21:28.14 0.3 undecidable manual Pg 190 65.8896 -0.179 70
IV.AGST.EHE. 2005-08-18T01:21:24.44 0.1 undecidable manual Pg 139 42.5241 0.016 100
IV.HVZN.BHE. 2005-08-18T01:21:24.74 0.1 undecidable manual Pg 203 44.0226 0.069 99
IV.SSY.BHN. 2005-08-18T01:21:24.94 0.1 undecidable manual Pg 161 45.3213 0.053 99
IV.ILLI.BHZ. 2005-08-18T01:21:12.44 10.0 undecidable manual Sg 0 0 0
IV.ILLI.BHZ. 2005-08-18T01:21:10.35 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