Earthquake with magnitude of ML 1.5 on date 28-04-2023 and time 23:45:13 (Italy) in region Slovenia (SLOVENIA)

A magnitude ML 1.5 earthquake occured in region: Slovenia (SLOVENIA), on

  • 28-04-2023 21:45:13 (UTC)
  • 28-04-2023 23:45:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.0990, 14.2320 at 8 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
62 Km NE of Trieste (204420 inhabitants)
77 Km E of Udine (99169 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 1.5 2023-04-28
21:45:13
46.0993 14.2323 9 2024-03-01
17:18:11
Bollettino Sismico Italiano INGV 118416491
Reviewed
Rev100
ML 1.6 2023-04-28
21:45:12
46.1062 14.2313 8 2023-04-28
21:59:12
Sala Sismica INGV-Roma 116854911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-28 21:45:13 ± 0.1
Latitude 46.0993 ± 0.0054
Longitude 14.2323 ± 0.0065
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118416491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 523
Semi-minor axis of confidence ellipse (meter) 494
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 192
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.45151
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 118416491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-15 08:22:30

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 116854911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-28 21:59:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2023-04-28T21:47:02.66 3.0 undecidable manual Sn -0.74 0
IV.SALB.HHZ. 2023-04-28T21:47:01.83 3.0 positive manual Pg 14.91 0
GU.GRAM.HHZ. 2023-04-28T21:46:17.53 3.0 negative manual Pg 11.76 0
IV.CAMP.HHZ. 2023-04-28T21:46:13.38 3.0 undecidable manual Pg 4.54 0
GU.GSCL.HHZ. 2023-04-28T21:46:10.76 3.0 negative manual Pg 8.32 0
SL.BOJS.BHZ. 2023-04-28T21:45:43.81 0.3 undecidable manual S 130 102.8193 50 0.19 68
OE.ARSA.BHZ. 2023-04-28T21:45:39.98 0.6 undecidable manual P 37 161.1165 50 0.25 38
OX.CIMO.HHZ. 2023-04-28T21:45:36.65 0.3 undecidable manual P 280 139.2606 50 0.29 62
NI.VINO.HNZ. 2023-04-28T21:45:36.46 0.6 undecidable manual S 283 75.4689 50 0.14 48
OX.ACOM.HHZ. 2023-04-28T21:45:36.02 0.3 undecidable manual S 312 74.1702 50 0.04 74
OX.CAE.HHZ. 2023-04-28T21:45:36.50 0.3 undecidable manual P 266 138.5613 50 0.26 62
IV.PTCC.HHE. 2023-04-28T21:45:36.00 0.6 undecidable manual S 297 75.5688 50 -0.34 46
NI.POLC.HHZ. 2023-04-28T21:45:35.60 0.6 undecidable manual P 267 133.5663 50 0.12 43
OX.MLN.HNE. 2023-04-28T21:45:34.32 0.6 undecidable manual P 273 124.4865 50 0.25 43
NI.PURA.HHZ. 2023-04-28T21:45:33.86 0.3 undecidable manual P 288 119.8911 50 0.49 62
IV.STAL.HHN. 2023-04-28T21:45:33.34 0.3 undecidable manual P 279 118.2927 50 0.22 65
OX.PRED.HNZ. 2023-04-28T21:45:32.92 0.3 undecidable manual S 307 63.7917 50 -0.28 72
OX.CLUD.HHN. 2023-04-28T21:45:32.30 0.6 undecidable manual P 291 110.9001 50 0.31 43
MN.TRI.HHZ. 2023-04-28T21:45:31.07 0.3 undecidable manual S 220 56.3991 50 -0.16 75
NI.PALA.HHZ. 2023-04-28T21:45:30.95 0.6 undecidable manual P 280 101.8203 50 0.37 44
SL.BOJS.BHZ. 2023-04-28T21:45:30.57 0.6 undecidable manual P 130 102.8193 50 -0.17 46
OX.PLRO.HNZ. 2023-04-28T21:45:29.51 0.1 undecidable manual P 301 96.9252 50 -0.32 89
OX.MPRI.HHN. 2023-04-28T21:45:29.99 0.3 undecidable manual P 280 96.9252 50 0.16 69
RF.GEPF.HHN. 2023-04-28T21:45:28.34 0.1 undecidable manual P 283 86.247 50 0.16 94
OX.DRE.HHZ. 2023-04-28T21:45:28.26 0.6 undecidable manual S 281 45.9207 50 -0.16 51
OX.SABO.HHZ. 2023-04-28T21:45:28.91 0.3 undecidable manual S 255 47.7189 50 -0.01 78
IV.PTCC.HHE. 2023-04-28T21:45:26.50 0.6 undecidable manual P 297 75.5688 50 -0.04 49
NI.VINO.HNZ. 2023-04-28T21:45:26.61 0.1 undecidable manual P 283 75.4689 50 0.08 98
OX.ACOM.HHZ. 2023-04-28T21:45:26.22 0.6 undecidable manual P 312 74.1702 50 -0.11 49
OX.BAD.HNE. 2023-04-28T21:45:26.70 0.1 undecidable manual P 281 77.367 50 -0.12 97
MN.TRI.HHZ. 2023-04-28T21:45:23.59 0.6 undecidable manual P 220 56.3991 50 0 51
NI.DST2.HNZ. 2023-04-28T21:45:23.88 0.1 undecidable manual P 214 59.0964 50 -0.12 100
OX.PRED.HNZ. 2023-04-28T21:45:23.72 1.0 undecidable manual P 307 63.7917 50 -1.01 18
OX.SABO.HHZ. 2023-04-28T21:45:21.86 0.6 undecidable manual P 255 47.7189 50 -0.39 48
SL.LJU.BHZ. 2023-04-28T21:45:21.63 0.3 undecidable manual S 105 23.5542 110 -0.21 79
OX.DRE.HHZ. 2023-04-28T21:45:21.51 0.6 undecidable manual P 281 45.9207 50 -0.46 48
SL.LJU.BHZ. 2023-04-28T21:45:18.22 0.3 undecidable manual P 105 23.5542 110 0.05 81
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.DRE.HHE. ML:1.9 0.000227 0.14 AML other m 2023-04-28T21:45:29.10
OX.DRE.HHN. ML:1.8 0.0001955 0.88 AML other m 2023-04-28T21:45:29.58
OX.SABO.HHN. ML:1.1 0.000036150000000000005 0.36 AML other m 2023-04-28T21:45:30.55
MN.TRI.HHN. ML:1.0 0.000020799999999999997 0.68 AML other m 2023-04-28T21:45:31.64
MN.TRI.HHE. ML:1.2 0.000038350000000000004 1.38 AML other m 2023-04-28T21:45:32.03
OX.SABO.HHE. ML:1.1 0.00003535 0.54 AML other m 2023-04-28T21:45:32.41
OX.ACOM.HHE. ML:1.8 0.0000936 0.3 AML other m 2023-04-28T21:45:36.63
OX.ACOM.HHN. ML:1.6 0.0000564 0.24 AML other m 2023-04-28T21:45:36.63
SL.BOJS.BHE. ML:1.5 0.0000311 1.1 AML other m 2023-04-28T21:45:46.02
SL.BOJS.BHN. ML:1.5 0.00003245 0.8 AML other m 2023-04-28T21:45:46.57
NI.PALA.HHN. ML:1.5 0.000029400000000000003 1.2 AML other m 2023-04-28T21:45:47.97
NI.PALA.HHE. ML:1.4 0.000025450000000000002 1.14 AML other m 2023-04-28T21:45:49.99
NI.POLC.HHN. ML:1.9 0.0000499 0.6 AML other m 2023-04-28T21:45:56.48
NI.POLC.HHE. ML:1.9 0.0000486 0.56 AML other m 2023-04-28T21:45:56.42
OX.CAE.HHN. ML:1.2 0.00001165 1.5 AML other m 2023-04-28T21:45:58.17
OX.CAE.HHE. ML:1.4 0.000016250000000000002 1.3 AML other m 2023-04-28T21:45:58.12
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