Earthquake with magnitude of ML 1.8 on date 02-04-2023 and time 23:55:16 (Italy) in region Austria (AUSTRIA)

A magnitude ML 1.8 earthquake occured in region: Austria (AUSTRIA), on

  • 02-04-2023 21:55:16 (UTC)
  • 02-04-2023 23:55:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.7480, 14.3020 at 13 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 1.8 2023-04-02
21:55:16
46.7483 14.3015 13 2024-03-01
17:18:03
Bollettino Sismico Italiano INGV 116386561
Reviewed
Rev100
ML 1.7 2023-04-02
21:55:15
46.7633 14.3267 13 2023-04-02
22:01:58
Sala Sismica INGV-Roma 115984841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-02 21:55:16 ± 0.52
Latitude 46.7483 ± 0.0198
Longitude 14.3015 ± 0.0184
Depth (km) 13 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116386561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1750
Semi-minor axis of confidence ellipse (meter) 1580
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 168
Circular confidence region, given by single value of horizontal uncertainty (meter) 1750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.69252
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 116386561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-09 15:25:35

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 115984841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-02 22:01:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMN.HHZ. 2023-04-02T21:57:12.84 3.0 undecidable manual Pg 15.68 0
IV.MCRV.HHZ. 2023-04-02T21:57:04.21 3.0 undecidable manual Pg 20.360001 0
IV.SSFR.HHZ. 2023-04-02T21:57:03.33 3.0 undecidable manual Sg 12.31 0
IV.CDRU.HHZ. 2023-04-02T21:56:49.06 3.0 undecidable manual Pn 1.06 0
OT.OT17.EHZ. 2023-04-02T21:56:41.74 3.0 negative manual Pg 9.94 0
IV.POFI.HHZ. 2023-04-02T21:56:28.64 3.0 positive manual Pn -2.13 0
IV.MMO1.EHZ. 2023-04-02T21:56:25.04 3.0 negative manual Pg 9.89 0
IV.FOSV.EHZ. 2023-04-02T21:56:09.46 3.0 undecidable manual Pn -1.69 0
OX.VARN.HHZ. 2023-04-02T21:55:47.64 0.3 undecidable manual P 244 187.8675 54 1.41 36
OX.CAE.HHZ. 2023-04-02T21:55:44.58 0.6 undecidable manual P 241 164.5131 91 1.42 25
NI.VINO.HHZ. 2023-04-02T21:55:44.45 0.6 undecidable manual S 235 95.6376 91 0.08 53
SL.BOJS.BHE. 2023-04-02T21:55:42.08 0.3 undecidable manual P 152 156.1215 91 0.21 63
OX.PLRO.HHZ. 2023-04-02T21:55:42.77 0.6 undecidable manual S 256 90.5427 91 -0.25 50
OX.DRE.HHZ. 2023-04-02T21:55:40.35 0.3 undecidable manual S 218 81.1521 91 -0.16 79
IV.PTCC.HHZ. 2023-04-02T21:55:40.01 0.6 undecidable manual S 243 81.5517 91 -0.6 46
SL.LJU.BHZ. 2023-04-02T21:55:39.39 0.6 undecidable manual S 167 80.0643 91 -0.82 47
OX.DST2.HHZ. 2023-04-02T21:55:39.53 3.0 undecidable manual P 0
MN.TRI.HHZ. 2023-04-02T21:55:36.53 0.3 undecidable manual P 200 122.4885 91 -0.14 75
NI.PALA.HHZ. 2023-04-02T21:55:36.18 0.3 undecidable manual P 243 119.0919 91 0.02 74
OX.ACOM.HHZ. 2023-04-02T21:55:35.39 0.6 undecidable manual S 250 63.9915 92 -0.53 48
OX.CLUD.HHZ. 2023-04-02T21:55:35.30 0.3 undecidable manual P 254 112.998 91 0.08 74
OX.PRED.HNZ. 2023-04-02T21:55:35.12 0.6 undecidable manual S 239 65.5899 92 -1.24 35
OX.FUSE.HHZ. 2023-04-02T21:55:34.27 0.3 undecidable manual P 250 105.8163 91 0.16 74
OE.ARSA.BHZ. 2023-04-02T21:55:34.06 0.3 undecidable manual P 58 107.9142 91 -0.37 76
NI.VINO.HHZ. 2023-04-02T21:55:32.11 0.3 undecidable manual P 235 95.6376 91 -0.44 74
OX.PLRO.HHZ. 2023-04-02T21:55:31.16 0.1 undecidable manual P 256 90.5427 91 -0.61 94
IV.PTCC.HHZ. 2023-04-02T21:55:29.88 0.3 undecidable manual P 243 81.5517 91 -0.49 75
OX.DRE.HHZ. 2023-04-02T21:55:29.80 0.3 undecidable manual P 218 81.1521 91 -0.51 75
SL.LJU.BHZ. 2023-04-02T21:55:29.86 0.3 undecidable manual P 167 80.0643 91 -0.28 81
OX.PRED.HNZ. 2023-04-02T21:55:27.21 0.3 undecidable manual P 239 65.5899 92 -0.7 72
OX.ACOM.HHZ. 2023-04-02T21:55:27.07 0.1 undecidable manual P 250 63.9915 92 -0.6 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.ACOM.HHN. ML:1.8 0.00010765 0.96 AML other m 2023-04-02T21:55:36.47
OX.ACOM.HHE. ML:2.0 0.000174 0.14 AML other m 2023-04-02T21:55:36.92
SL.LJU.BHE. ML:2.1 0.0001875 1.3 AML other m 2023-04-02T21:55:40.05
OX.DRE.HHN. ML:1.8 0.0000899 0.2 AML other m 2023-04-02T21:55:40.84
IV.PTCC.HHN. ML:1.4 0.0000359 1.56 AML other m 2023-04-02T21:55:41.98
OX.DRE.HHE. ML:1.9 0.0001059 0.88 AML other m 2023-04-02T21:55:41.19
IV.PTCC.HHE. ML:1.4 0.00002945 0.48 AML other m 2023-04-02T21:55:42.68
OX.PLRO.HHE. ML:1.8 0.0000679 1.18 AML other m 2023-04-02T21:55:43.84
SL.LJU.BHN. ML:2.1 0.0001895 0.6 AML other m 2023-04-02T21:55:43.55
NI.VINO.HHE. ML:1.5 0.00003525 0.54 AML other m 2023-04-02T21:55:46.17
NI.VINO.HHN. ML:1.6 0.00004685 0.72 AML other m 2023-04-02T21:55:46.29
OX.PLRO.HHN. ML:2.0 0.00010539999999999999 1.14 AML other m 2023-04-02T21:55:46.21
OE.ARSA.BHE. ML:1.2 0.000013700000000000001 0.8 AML other m 2023-04-02T21:55:47.52
OE.ARSA.BHN. ML:1.2 0.000013304999999999999 1.2 AML other m 2023-04-02T21:55:49.67
OX.FUSE.HHE. ML:1.4 0.0000253 0.42 AML other m 2023-04-02T21:55:51.09
OX.FUSE.HHN. ML:1.7 0.0000445 0.52 AML other m 2023-04-02T21:55:52.63
OX.CAE.HHN. ML:1.9 0.00003285 0.38 AML other m 2023-04-02T21:56:06.28
OX.CAE.HHE. ML:2.1 0.000051250000000000006 0.34 AML other m 2023-04-02T21:56:06.37
OX.VARN.HHN. ML:2.0 0.00003015 0.96 AML other m 2023-04-02T21:56:13.11
OX.VARN.HHE. ML:2.1 0.000043700000000000005 1.26 AML other m 2023-04-02T21:56:13.17
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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