Earthquake with magnitude of ML 1.6 on date 18-02-2010 and time 07:21:52 (Italy) in region Confine Italia Slovenia (SLOVENIA)

A magnitude ML 1.6 earthquake occured in region: Confine Italia Slovenia (SLOVENIA), on

  • 18-02-2010 06:21:52 (UTC)
  • 18-02-2010 07:21:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.2670, 13.7500 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
Drenchia UD 14 115 115
Grimacco UD 17 342 457

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km E of Udine (99169 inhabitants)
69 Km N of Trieste (204420 inhabitants)
91 Km E of Pordenone (51229 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 1.6
2010-02-18
06:21:52
46.267 13.75 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1014029
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-02-18 06:21:52 ± 0.47
Latitude 46.2670 ± 0.0162
Longitude 13.7500 ± 0.0286
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1014029

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2474
Semi-minor axis of confidence ellipse (meter) 1421
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 303
Circular confidence region, given by single value of horizontal uncertainty (meter) 2842.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 298
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.30667
Epicentral distance of station farthest from the epicenter (degree) 0.57107
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:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1014029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:27:24

Md:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1014029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:27:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.PALA.HHN. 2010-02-18T06:22:12.09 0.3 undecidable manual Sg 268 63.3921 0.332 93
RF.GEPF.HHZ. 2010-02-18T06:22:07.85 0.3 undecidable manual Sg 271 46.8198 0.5 92
NI.VINO.HHZ. 2010-02-18T06:22:04.30 0.3 undecidable manual Sg 268 36.3414 -0.255 99
NI.ACOM.HHE. 2010-02-18T06:22:04.70 0.3 undecidable manual Sg 330 36.0417 0.247 99
NI.PALA.HHN. 2010-02-18T06:22:03.38 0.3 undecidable manual Pg 268 63.3921 -0.087 97
IV.PTCC.HHZ. 2010-02-18T06:22:03.36 0.3 undecidable manual Sg 297 34.0437 -0.575 92
RF.GEPF.HHZ. 2010-02-18T06:22:01.18 0.3 undecidable manual Pg 271 46.8198 0.257 97
NI.VINO.HHZ. 2010-02-18T06:21:59.06 0.3 undecidable manual Pg 268 36.3414 -0.249 99
NI.ACOM.HHE. 2010-02-18T06:21:59.46 0.3 undecidable manual Pg 330 36.0417 0.211 100
IV.PTCC.HHZ. 2010-02-18T06:21:58.58 0.3 undecidable manual Pg 297 34.0437 -0.371 97
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