Earthquake with magnitude of ML 1.3 on date 25-09-2021 and time 00:02:23 (Italy) in region Slovenia (SLOVENIA)

A magnitude ML 1.3 earthquake occured in region: Slovenia (SLOVENIA), on

  • 24-09-2021 22:02:23 (UTC)
  • 25-09-2021 00:02:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.2970, 14.2400 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

An earthquake occurred to
81 Km NE of Trieste (204420 inhabitants)
82 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 1.3 2021-09-24
22:02:23
46.2972 14.2397 10 2022-03-30
13:04:38
Bollettino Sismico Italiano INGV 101112331
Reviewed
Rev100
ML 1.6 2021-09-24
22:02:23
46.3065 14.2562 10 2021-09-24
22:22:04
Sala Sismica INGV-Roma 95846381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-24 22:02:23 ± 0.25
Latitude 46.2972 ± 0.0153
Longitude 14.2397 ± 0.0169
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101112331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1970
Semi-minor axis of confidence ellipse (meter) 970
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
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) 209
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.32196
Epicentral distance of station farthest from the epicenter (degree) 1.06030
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 101112331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-18 14:33:28

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 95846381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-24 22:22:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TRI.HHZ. 2021-09-24T22:02:46.89 0.6 undecidable manual S 209 74.8695 50 0.5 42
NI.VINO.HHZ. 2021-09-24T22:02:46.76 0.6 undecidable manual S 267 74.0703 50 0.57 41
SL.BOJS.BHE. 2021-09-24T22:02:44.70 0.6 undecidable manual P 138 117.6933 50 1.3 27
IV.FVI.HHZ. 2021-09-24T22:02:43.61 0.6 undecidable manual P 287 116.3946 50 0.41 40
OX.SABO.HHE. 2021-09-24T22:02:41.90 0.6 undecidable manual S 234 57.8976 50 0.04 48
NI.PALA.HHZ. 2021-09-24T22:02:41.10 0.3 undecidable manual P 267 101.0211 50 0.26 64
OX.PRED.HHE. 2021-09-24T22:02:40.68 0.6 undecidable manual S 288 54.1014 50 -0.17 47
OX.PLRO.HNZ. 2021-09-24T22:02:39.38 0.3 undecidable manual P 289 88.0452 50 0.55 61
NI.VINO.HHZ. 2021-09-24T22:02:36.22 0.3 undecidable manual P 267 74.0703 50 -0.47 64
MN.TRI.HHZ. 2021-09-24T22:02:36.39 0.3 undecidable manual P 209 74.8695 50 -0.41 65
SL.LJU.BHE. 2021-09-24T22:02:35.75 0.6 undecidable manual S 142 35.742 50 -0.21 48
OX.PRED.HHE. 2021-09-24T22:02:33.08 0.3 undecidable manual P 288 54.1014 50 -0.53 65
OX.SABO.HHE. 2021-09-24T22:02:33.82 0.1 undecidable manual P 234 57.8976 50 -0.37 90
SL.LJU.BHE. 2021-09-24T22:02:30.73 0.1 undecidable manual P 142 35.742 50 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TRI.HHE. ML:1.5 0.0000455 0.32 AML other m 2021-09-24T22:02:47.43
MN.TRI.HHN. ML:1.3 0.000031 1.68 AML other m 2021-09-24T22:02:48.95
IV.FVI.HHE. ML:1.4 0.000019549999999999997 1.48 AML other m 2021-09-24T22:03:04.24
IV.FVI.HHN. ML:1.1 0.00000915 1.44 AML other m 2021-09-24T22:03:05.10
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