Earthquake with magnitude of ML 1.8 on date 19-07-2006 and time 09:56:18 (UTC) in region 4 km N Melilli (SR)

A magnitude ML 1.8 earthquake occured in region: 4 km N Melilli (SR), on

  • 19-07-2006 09:56:18 (UTC)
  • 19-07-2006 11:56:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.2150, 15.1300 at 10 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
Melilli SR 4 13621 13621
Priolo Gargallo SR 8 12091 25712
Augusta SR 8 36305 62017
Sortino SR 10 8690 70707
Carlentini SR 12 17798 88505
Solarino SR 13 8091 96596
Lentini SR 14 24085 120681
Floridia SR 15 22762 143443
Ferla SR 20 2523 145966

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of Siracusa (122291 inhabitants)
32 Km S of Catania (314555 inhabitants)
44 Km S of Acireale (52622 inhabitants)
48 Km NE of Ragusa (73313 inhabitants)
51 Km NE of Modica (54633 inhabitants)
60 Km NE of Vittoria (63339 inhabitants)
80 Km E of Gela (75827 inhabitants)
99 Km E of Caltanissetta (63360 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 2.0
ML 1.8
2006-07-19
09:56:18
37.215 15.13 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 581119
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-07-19 09:56:18 ± 0.21
Latitude 37.2150 ± 0.0207
Longitude 15.1300 ± 0.0339
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 581119

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3579
Semi-minor axis of confidence ellipse (meter) 1316
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 54
Circular confidence region, given by single value of horizontal uncertainty (meter) 3780.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.67
Epicentral distance of station closest to the epicenter (degree) 0.07195
Epicentral distance of station farthest from the epicenter (degree) 0.25541
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 581119
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:08:04

Md:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 581119
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:08:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PZI.SHZ. 2006-07-19T09:56:24.44 0.3 undecidable manual Pg 223 23.754 0.889 59
IV.HAVL.BHE. 2006-07-19T09:56:24.28 0.3 undecidable manual Pg 181 28.3494 -0.028 75
IV.AGST.SHZ. 2006-07-19T09:56:23.06 0.1 undecidable manual Sg 62 9.7791 -0.176 50
I1.HAGA.BHZ. 2006-07-19T09:56:22.33 0.1 undecidable manual Sg 16 8.0808 -0.521 47
IV.AGST.SHZ. 2006-07-19T09:56:21.43 0.3 undecidable manual Pg 62 9.7791 0.244 74
IV.SSY.BHZ. 2006-07-19T09:56:21.84 0.1 undecidable manual Sg 218 7.9809 -0.994 38
I1.HAGA.BHZ. 2006-07-19T09:56:21.21 0.1 undecidable manual Pg 16 8.0808 0.248 99
IV.SSY.BHZ. 2006-07-19T09:56:20.74 0.1 undecidable manual Pg 218 7.9809 -0.216 100
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