Earthquake with magnitude of ML 2.3 on date 18-08-2005 and time 09:57:23 (Italy) in region Mar Ionio Settentrionale (MARE)

A magnitude ML 2.3 earthquake occured in region: Mar Ionio Settentrionale (MARE), on

  • 18-08-2005 07:57:23 (UTC)
  • 18-08-2005 09:57:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.2260, 17.4770 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Crotone (62178 inhabitants)
84 Km E of Catanzaro (90612 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 2.7
ML 2.3
2005-08-18
07:57:23
39.226 17.477 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 530279
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-08-18 07:57:23 ± 0.53
Latitude 39.2260 ± 0.0234
Longitude 17.4770 ± 0.0418
Depth (km) 9 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 530279

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3579
Semi-minor axis of confidence ellipse (meter) 2579
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 91
Circular confidence region, given by single value of horizontal uncertainty (meter) 4440.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 283
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.16287
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 530279
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:15:36

Md:2.7

Field Value
Value 2.7
Uncertainty 0.0
Num. used stations
Type of magnitude Md
Reference to an origin 530279
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:15:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
I1.MMME.BHZ. 2005-08-18T07:58:02.01 0.3 undecidable manual Pg 234 240.0819 0.003 42
IV.MGR.SHZ. 2005-08-18T07:57:59.39 10.0 undecidable manual Pg 0 0 0
IV.GRI.EHZ. 2005-08-18T07:57:56.23 0.3 undecidable manual Sg 244 101.5206 0.074 38
IV.SOI.SHZ. 2005-08-18T07:57:54.22 0.1 undecidable manual Pg 224 177.5889 -0.054 81
MN.CEL.HHZ. 2005-08-18T07:57:53.72 0.1 undecidable manual Pg 232 173.8926 -0.092 82
MN.CUC.HHZ. 2005-08-18T07:57:52.94 0.1 undecidable manual Pg 301 165.5121 0.235 83
IV.GRI.EHZ. 2005-08-18T07:57:42.62 0.3 undecidable manual Pg 244 101.5206 0.608 67
MN.TIP.HHE. 2005-08-18T07:57:34.90 0.1 negative manual Pg 265 61.9935 -0.512 100
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