Earthquake with magnitude of ML 2.3 on date 28-02-2023 and time 18:01:12 (UTC) in region Costa Croata Settentrionale (CROAZIA)

A magnitude ML 2.3 earthquake occured in region: Costa Croata Settentrionale (CROAZIA), on

  • 28-02-2023 18:01:12 (UTC)
  • 28-02-2023 19:01:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.1020, 14.9570 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 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
ML 2.3 2023-02-28
18:01:12
45.1022 14.9573 10 2024-03-01
17:18:01
Bollettino Sismico Italiano INGV 115915071
Reviewed
Rev100
ML 2.3 2023-02-28
18:01:12
45.0978 14.9812 10 2023-02-28
18:14:28
Sala Sismica INGV-Roma 114895291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-28 18:01:12 ± 0.31
Latitude 45.1022 ± 0.0180
Longitude 14.9573 ± 0.0140
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115915071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1970
Semi-minor axis of confidence ellipse (meter) 1100
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 351
Circular confidence region, given by single value of horizontal uncertainty (meter) 1970.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 278
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.45236
Epicentral distance of station farthest from the epicenter (degree) 1.78515
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 115915071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-31 13:07:22

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 114895291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-28 18:14:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.DRE.HHE. 2023-02-28T18:01:57.89 0.3 undecidable manual S 320 156.4212 50 0.51 55
OX.SABO.HHZ. 2023-02-28T18:01:54.18 0.6 undecidable manual S 314 142.2465 50 0.61 37
MN.TRI.HHZ. 2023-02-28T18:01:45.47 0.3 undecidable manual S 306 114.7962 50 -0.77 55
OX.MPRI.HHZ. 2023-02-28T18:01:44.51 0.3 undecidable manual P 310 198.1572 38 0.15 48
OX.ACOM.HHZ. 2023-02-28T18:01:44.23 0.3 undecidable manual P 326 195.36 38 0.21 48
SL.LJU.BHE. 2023-02-28T18:01:44.57 0.6 undecidable manual S 342 109.7124 50 -0.31 43
OX.PRED.HHE. 2023-02-28T18:01:43.02 0.3 undecidable manual P 325 183.6828 38 0.46 48
NI.VINO.HHZ. 2023-02-28T18:01:42.44 0.3 undecidable manual P 315 182.484 38 0.02 53
OX.DRE.HHE. 2023-02-28T18:01:38.85 0.3 undecidable manual P 320 156.4212 50 0.27 58
OX.SABO.HHZ. 2023-02-28T18:01:35.96 0.3 undecidable manual P 314 142.2465 50 -0.43 59
MN.TRI.HHZ. 2023-02-28T18:01:32.09 0.3 undecidable manual P 306 114.7962 50 -0.07 67
SL.LJU.BHE. 2023-02-28T18:01:31.32 0.1 undecidable manual P 342 109.7124 50 -0.05 91
NI.DST2.HNZ. 2023-02-28T18:01:31.14 0.6 undecidable manual P 305 109.2129 50 -0.16 44
SL.BOJS.BHE. 2023-02-28T18:01:29.03 0.6 undecidable manual S 27 50.2164 50 0.03 51
SL.BOJS.BHE. 2023-02-28T18:01:22.08 0.1 undecidable manual P 27 50.2164 50 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TRI.HHE. ML:2.1 0.00009252476499999999 0.1152 AML other m 2023-02-28T18:01:46.44
MN.TRI.HHN. ML:2.0 0.00007516256 0.192 AML other m 2023-02-28T18:01:46.82
OX.SABO.HHN. ML:2.3 0.00010885583500000001 0.3456 AML other m 2023-02-28T18:01:55.87
OX.SABO.HHE. ML:2.3 0.000110824305 0.3584 AML other m 2023-02-28T18:01:56.49
NI.VINO.HHN. ML:2.3 0.000063182035 0.5248 AML other m 2023-02-28T18:02:09.60
NI.VINO.HHE. ML:2.1 0.000045470955 0.2816 AML other m 2023-02-28T18:02:10.74
OX.ACOM.HHN. ML:2.6 0.00013169415000000001 1.552 AML other m 2023-02-28T18:02:12.93
OX.MPRI.HHE. ML:2.4 0.00007355871499999999 0.32 AML other m 2023-02-28T18:02:14.28
OX.MPRI.HHN. ML:2.4 0.000079032025 0.3584 AML other m 2023-02-28T18:02:15.53
OX.ACOM.HHE. ML:2.5 0.000091483305 0.3584 AML other m 2023-02-28T18:02:17.61
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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