Earthquake with magnitude of ML 2.2 on date 18-12-2011 and time 03:49:42 (UTC) in region Costa Croata Settentrionale (CROAZIA)

A magnitude ML 2.2 earthquake occured in region: Costa Croata Settentrionale (CROAZIA), on

  • 18-12-2011 03:49:42 (UTC)
  • 18-12-2011 04:49:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.2010, 14.5980 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
82 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 2.2
2011-12-18
03:49:42
45.201 14.598 5 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1323609
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-12-18 03:49:42 ± 0.57
Latitude 45.2010 ± 0.0351
Longitude 14.5980 ± 0.0638
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1323609

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 5737
Semi-minor axis of confidence ellipse (meter) 2737
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
Circular confidence region, given by single value of horizontal uncertainty (meter) 6341.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 329
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.71
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.88318
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1323609
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:19:19

Md:2.5

Field Value
Value 2.5
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1323609
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:19:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTGR.SHZ. 2011-12-18T03:51:17.07 10.0 undecidable manual Pg 0 0 0
SI.RISI.HHE. 2011-12-18T03:51:00.05 10.0 undecidable manual Pg 0 0 0
IV.TEOL.HHZ. 2011-12-18T03:50:50.75 10.0 undecidable manual Pg 0 0 0
NI.POLC.HHZ. 2011-12-18T03:50:36.50 0.6 undecidable manual Sg 300 186.7686 0.946 41
HL.KEK.HHE. 2011-12-18T03:50:36.90 10.0 undecidable manual Pg 0 0 0
IV.STAL.HHE. 2011-12-18T03:50:36.34 0.6 undecidable manual Sg 309 187.5678 0.618 47
IV.SCHR.EHN. 2011-12-18T03:50:34.66 10.0 undecidable manual Pg 0 0 0
NI.ACOM.HHE. 2011-12-18T03:50:31.77 0.6 undecidable manual Sg 331 171.2952 0.059 59
RF.GEPF.HHZ. 2011-12-18T03:50:30.14 0.6 undecidable manual Sg 317 164.2134 0.323 58
IV.PTCC.HHE. 2011-12-18T03:50:30.00 0.6 undecidable manual Sg 325 164.9127 0.016 62
NI.VINO.HHE. 2011-12-18T03:50:28.47 0.6 undecidable manual Sg 319 155.4222 1.019 47
IV.FVI.HHE. 2011-12-18T03:50:16.59 0.6 undecidable manual Pg 318 209.0352 0.838 38
NI.SABO.HHE. 2011-12-18T03:50:16.15 0.6 undecidable manual Sg 320 114.996 -0.524 64
IV.STAL.HHE. 2011-12-18T03:50:13.19 0.6 undecidable manual Pg 309 187.5678 0.103 54
NI.POLC.HHZ. 2011-12-18T03:50:12.79 0.6 undecidable manual Pg 300 186.7686 -0.2 53
IV.PTCC.HHE. 2011-12-18T03:50:10.07 0.6 undecidable manual Pg 325 164.9127 0.296 58
NI.ACOM.HHE. 2011-12-18T03:50:10.84 0.6 undecidable manual Pg 331 171.2952 0.068 59
RF.GEPF.HHZ. 2011-12-18T03:50:09.86 0.6 undecidable manual Pg 317 164.2134 0.182 60
NI.VINO.HHE. 2011-12-18T03:50:08.15 0.6 undecidable manual Pg 319 155.4222 -0.161 63
MN.TRI.BHN. 2011-12-18T03:50:07.42 0.6 undecidable manual Sg 311 86.0472 -1.511 42
NI.SABO.HHE. 2011-12-18T03:50:01.75 0.3 undecidable manual Pg 320 114.996 -0.34 100
MN.TRI.BHN. 2011-12-18T03:49:56.57 0.6 undecidable manual Pg 311 86.0472 -1.049 54
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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