Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 22-01-2021 and time 13:41:04 (UTC) in region Austria (AUSTRIA)

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

  • 22-01-2021 13:41:04 (UTC)
  • 22-01-2021 14:41:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.9600, 14.1970 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 2021-01-22
13:41:04		 46.9603 14.1967 10 2021-07-12
16:54:57		 Bollettino Sismico Italiano INGV 86788501
Reviewed
Rev100 		ML 1.8 2021-01-22
13:41:05		 46.9502 14.1878 10 2021-01-22
13:51:25		 Sala Sismica INGV-Roma 86455751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-22 13:41:04 ± 0.28
Latitude 46.9603 ± 0.0135
Longitude 14.1967 ± 0.0250
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86788501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2020
Semi-minor axis of confidence ellipse (meter) 1420
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 2020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 281
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.62323
Epicentral distance of station farthest from the epicenter (degree) 1.76717
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 86788501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-09 12:04:44

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 86455751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-22 13:51:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.VINO.HHZ. 2021-01-22T13:41:36.38 0.6 undecidable manual S 222 105.2169 50 0.66 43
OE.WTTA.HHE. 2021-01-22T13:41:36.76 0.3 undecidable manual P 281 196.1592 38 0.62 48
OX.DRE.HHE. 2021-01-22T13:41:33.62 0.6 undecidable manual S 206 96.9252 50 0.12 51
OX.PLRO.HHE. 2021-01-22T13:41:32.35 0.3 undecidable manual S 241 91.8414 50 0.21 75
IV.PTCC.HHE. 2021-01-22T13:41:31.20 0.6 undecidable manual S 227 88.7445 50 -0.12 52
OX.PRED.HHE. 2021-01-22T13:41:27.32 0.6 undecidable manual S 220 74.8695 50 -0.3 51
OX.ACOM.HHN. 2021-01-22T13:41:26.08 0.3 undecidable manual S 229 69.1752 50 -0.02 82
OX.MPRI.HHE. 2021-01-22T13:41:25.35 0.6 undecidable manual P 230 121.8891 50 0.07 49
OX.SABO.HHZ. 2021-01-22T13:41:25.38 0.6 undecidable manual P 202 116.1948 50 0.98 37
OX.CLUD.HHZ. 2021-01-22T13:41:24.09 0.3 undecidable manual P 241 114.5964 50 -0.06 74
IV.FVI.HHZ. 2021-01-22T13:41:24.31 0.3 undecidable manual P 250 114.8961 50 0.11 74
OX.BAD.HHE. 2021-01-22T13:41:23.46 0.3 undecidable manual P 222 108.5136 50 0.25 72
OX.FUSE.HHZ. 2021-01-22T13:41:22.97 0.6 undecidable manual P 237 109.3128 50 -0.37 47
NI.VINO.HHZ. 2021-01-22T13:41:22.53 0.3 undecidable manual P 222 105.2169 50 -0.18 74
OX.DRE.HHE. 2021-01-22T13:41:21.36 0.3 undecidable manual P 206 96.9252 50 -0.07 77
OX.PLRO.HHE. 2021-01-22T13:41:20.39 0.3 undecidable manual P 241 91.8414 50 -0.25 75
IV.PTCC.HHE. 2021-01-22T13:41:19.88 0.3 undecidable manual P 227 88.7445 50 -0.29 75
OX.PRED.HHE. 2021-01-22T13:41:18.06 0.3 undecidable manual P 220 74.8695 50 0.03 81
OX.ACOM.HHN. 2021-01-22T13:41:16.71 0.1 undecidable manual P 229 69.1752 50 -0.44 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.ACOM.HNN. ML:1.9 0.00013646161000000002 0.1792 AML other m 2021-01-22T13:41:26.55
OX.ACOM.HNE. ML:2.0 0.00019240635 0.1984 AML other m 2021-01-22T13:41:27.20
OX.ACOM.HHE. ML:2.0 0.00018069754999999998 0.1984 AML other m 2021-01-22T13:41:27.20
OX.ACOM.HHN. ML:1.9 0.0001352364 0.3008 AML other m 2021-01-22T13:41:29.12
IV.PTCC.HHE. ML:2.0 0.00011399999999999999 0.26 AML other m 2021-01-22T13:41:31.39
IV.PTCC.HHN. ML:1.8 0.00007635 0.66 AML other m 2021-01-22T13:41:32.34
NI.VINO.HHE. ML:1.5 0.000031677435000000005 0.2368 AML other m 2021-01-22T13:41:36.92
NI.VINO.HHN. ML:1.8 0.000053821839999999996 0.4416 AML other m 2021-01-22T13:41:37.71
OX.CLUD.HHN. ML:1.6 0.00003297344 0.4992 AML other m 2021-01-22T13:41:40.51
OX.CLUD.HNE. ML:1.8 0.00004649979 0.544 AML other m 2021-01-22T13:41:41.11
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