Earthquake with magnitude of ML 1.3 on date 21-03-2023 and time 16:24:34 (UTC) in region Austria (AUSTRIA)

A magnitude ML 1.3 earthquake occured in region: Austria (AUSTRIA), on

  • 21-03-2023 16:24:34 (UTC)
  • 21-03-2023 17:24:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.8570, 13.5430 at 4 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
91 Km N 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 2023-03-21
16:24:34
46.8573 13.5432 4 2024-03-01
17:18:19
Bollettino Sismico Italiano INGV 124164081
Reviewed
Rev100
ML 1.3 2023-03-21
16:24:34
46.8673 13.5723 8 2023-03-21
16:46:01
Sala Sismica INGV-Roma 115595521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-21 16:24:34 ± 0.36
Latitude 46.8573 ± 0.0144
Longitude 13.5432 ± 0.0184
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124164081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1532
Semi-minor axis of confidence ellipse (meter) 1305
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 185
Circular confidence region, given by single value of horizontal uncertainty (meter) 1530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 302
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.69877
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 124164081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-12-20 14:57:21

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 115595521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-21 16:46:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HNZ. 2023-03-21T16:26:28.82 3.0 undecidable manual Pn 0.5 0
IV.MSSA.HHZ. 2023-03-21T16:26:25.72 3.0 undecidable manual Sn 4.12 0
IV.MRVN.HHZ. 2023-03-21T16:26:04.30 3.0 undecidable manual Pn 0.02 0
IV.RIBO.EHZ.01 2023-03-21T16:25:55.52 3.0 negative manual Pg 15.09 0
IV.ZEN8.EHZ. 2023-03-21T16:25:45.51 3.0 undecidable manual Sn 0.43 0
IV.CSNT.HHZ. 2023-03-21T16:25:42.61 3.0 positive manual Pg 9.73 0
IV.SFI.EHZ. 2023-03-21T16:25:36.13 3.0 undecidable manual Pg 10.93 0
IV.MMO1.EHZ. 2023-03-21T16:25:34.67 3.0 undecidable manual Pn -0.73 0
GU.GRAM.HHZ. 2023-03-21T16:25:26.69 3.0 undecidable manual Pn -1.8 0
SI.ABSI.HHZ. 2023-03-21T16:25:03.56 3.0 negative manual Pn 0.57 0
NI.PURA.HHE. 2023-03-21T16:24:58.96 0.6 undecidable manual S 232 77.5668 50 0.06 48
NI.VINO.HHZ. 2023-03-21T16:24:57.34 0.6 undecidable manual S 197 69.9744 50 0.46 45
OX.CLUD.HHZ. 2023-03-21T16:24:55.89 0.6 undecidable manual S 229 67.1772 50 -0.24 47
IV.PTCC.HHZ. 2023-03-21T16:24:51.70 0.6 undecidable manual S 196 51.9036 50 -0.36 47
OX.PRED.HNZ. 2023-03-21T16:24:49.76 0.6 undecidable manual S 178 46.0206 95 -0.48 46
OX.PLRO.HHZ. 2023-03-21T16:24:49.90 0.6 undecidable manual S 221 45.5211 95 -0.17 49
OX.DRE.HHZ. 2023-03-21T16:24:48.16 0.3 undecidable manual P 174 76.2681 50 -0.11 71
NI.PURA.HHE. 2023-03-21T16:24:48.96 0.3 undecidable manual P 232 77.5668 50 0.5 65
OX.ACOM.HHZ. 2023-03-21T16:24:47.05 0.6 undecidable manual S 184 34.4433 97 0.82 42
NI.VINO.HHZ. 2023-03-21T16:24:47.51 0.3 undecidable manual P 197 69.9744 50 0.21 70
OX.CLUD.HHZ. 2023-03-21T16:24:46.66 0.6 undecidable manual P 229 67.1772 50 -0.2 47
IV.PTCC.HHZ. 2023-03-21T16:24:44.26 0.3 undecidable manual P 196 51.9036 50 -0.25 72
OX.PRED.HNZ. 2023-03-21T16:24:43.21 0.1 undecidable manual P 178 46.0206 95 -0.25 97
OX.PLRO.HHZ. 2023-03-21T16:24:43.26 0.3 undecidable manual P 221 45.5211 95 -0.1 75
OX.ACOM.HHZ. 2023-03-21T16:24:41.37 0.1 undecidable manual P 184 34.4433 97 0.22 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.ACOM.HNE. ML:1.2 0.00007596565500000001 0.2688 AML other m 2023-03-21T16:24:47.30
OX.ACOM.HHE. ML:1.2 0.00007615 0.36 AML other m 2023-03-21T16:24:47.62
OX.ACOM.HNN. ML:1.1 0.000053275450000000005 0.256 AML other m 2023-03-21T16:24:47.62
OX.ACOM.HHN. ML:1.2 0.000064 0.92 AML other m 2023-03-21T16:24:47.97
OX.PLRO.HNE. ML:2.0 0.00027150000000000004 1.46 AML other m 2023-03-21T16:24:50.24
OX.PLRO.HHE. ML:1.5 0.000104 1.44 AML other m 2023-03-21T16:24:50.26
OX.PLRO.HNN. ML:1.8 0.00017023555000000002 0.1664 AML other m 2023-03-21T16:24:50.83
OX.PLRO.HHN. ML:1.5 0.00009855 0.9 AML other m 2023-03-21T16:24:50.87
NI.VINO.HHE. ML:1.1 0.000018484885 1.7568 AML other m 2023-03-21T16:24:58.96
NI.VINO.HHN. ML:1.0 0.000016836196 0.5888 AML other m 2023-03-21T16:25:00.37
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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