Earthquake with magnitude of ML 2.0 on date 27-05-2009 and time 23:50:00 (Italy) in region Costa Croata Settentrionale (CROAZIA)

A magnitude ML 2.0 earthquake occured in region: Costa Croata Settentrionale (CROAZIA), on

  • 27-05-2009 21:50:00 (UTC)
  • 27-05-2009 23:50:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.2720, 14.4920 at 5 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
70 Km SE of Trieste (204420 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 2.5
ML 2.0
2009-05-27
21:50:00
45.272 14.492 5 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 880509
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-05-27 21:50:00 ± 0.44
Latitude 45.2720 ± 0.0252
Longitude 14.4920 ± 0.0383
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 880509

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3526
Semi-minor axis of confidence ellipse (meter) 2105
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 4103.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 327
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.58281
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 880509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:43:44

Md:2.5

Field Value
Value 2.5
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 880509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:43:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHE. 2009-05-27T21:51:02.23 10.0 undecidable manual Pg 0 0 0
IV.FVI.HHE. 2009-05-27T21:50:57.79 10.0 undecidable manual Sg 0 0 0
NI.POLC.HHE. 2009-05-27T21:50:51.63 0.3 undecidable manual Sg 299 175.6908 0.189 65
NI.PALA.HHZ. 2009-05-27T21:50:48.40 0.3 undecidable manual Sg 312 162.4152 0.488 65
IV.FVI.HHE. 2009-05-27T21:50:47.16 10.0 undecidable manual Pg 0 0 0
NI.ACOM.HHZ. 2009-05-27T21:50:47.91 0.6 undecidable manual Sg 332 160.4172 0.52 43
RF.GEPF.HHZ. 2009-05-27T21:50:45.45 0.3 undecidable manual Sg 317 152.8359 0.109 74
IV.PTCC.SHZ. 2009-05-27T21:50:45.39 0.3 undecidable manual Sg 326 153.6351 -0.178 73
NI.VINO.HHE. 2009-05-27T21:50:43.00 0.3 undecidable manual Sg 320 143.9448 0.012 77
MN.VSL.HHZ. 2009-05-27T21:50:40.49 10.0 undecidable manual Pg 0 0 0
NI.SABO.HHE. 2009-05-27T21:50:31.33 0.3 undecidable manual Sg 320 103.6185 -0.888 65
NI.POLC.HHE. 2009-05-27T21:50:29.93 0.1 undecidable manual Pg 299 175.6908 -0.089 89
NI.ACOM.HHZ. 2009-05-27T21:50:28.41 0.3 undecidable manual Pn 332 160.4172 0.73 60
NI.PALA.HHZ. 2009-05-27T21:50:28.20 0.1 undecidable manual Pg 312 162.4152 0.224 92
RF.GEPF.HHZ. 2009-05-27T21:50:26.53 0.1 undecidable manual Pg 317 152.8359 0.034 100
IV.PTCC.SHZ. 2009-05-27T21:50:26.73 0.1 undecidable manual Pg 326 153.6351 0.1 98
NI.VINO.HHE. 2009-05-27T21:50:24.59 0.3 undecidable manual Pn 320 143.9448 -0.543 69
IV.CDCA.EHE. 2009-05-27T21:50:19.37 10.0 undecidable manual Pg 0 0 0
NI.SABO.HHE. 2009-05-27T21:50:18.44 0.3 undecidable manual Pn 320 103.6185 -0.48 76
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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