Earthquake with magnitude of ML 1.4 on date 22-04-2021 and time 04:33:09 (UTC) in region Confine Austria Svizzera (AUSTRIA, SVIZZERA)

A magnitude ML 1.4 earthquake occured in region: Confine Austria Svizzera (AUSTRIA, SVIZZERA), on

  • 22-04-2021 04:33:09 (UTC)
  • 22-04-2021 06:33:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 47.0400, 9.4630 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

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 1.4 2021-04-22
04:33:09
47.0402 9.4627 10 2021-07-12
16:55:16
Bollettino Sismico Italiano INGV 91710591
Reviewed
Rev100
ML 1.6 2021-04-22
04:33:09
46.9767 9.4442 2 2021-04-22
04:43:01
Sala Sismica INGV-Roma 89347851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-22 04:33:09 ± 0.29
Latitude 47.0402 ± 0.0207
Longitude 9.4627 ± 0.0198
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91710591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2350
Semi-minor axis of confidence ellipse (meter) 1360
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 16
Circular confidence region, given by single value of horizontal uncertainty (meter) 2350.0
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 25
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.70691
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 91710591
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-22 13:58:00

ML:1.6

Field Value
Value 1.6
Uncertainty 0.7
Num. used stations 14
Type of magnitude ML
Reference to an origin 89347851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-22 04:43:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PESA.HHZ. 2021-04-22T04:34:55.91 3.0 undecidable manual Sn -2.16 0
IV.BRSN.EHZ. 2021-04-22T04:34:46.59 3.0 undecidable manual Sn 3.19 0
IV.SEI.HHZ. 2021-04-22T04:34:35.32 3.0 undecidable manual Sn -6.69 0
IV.FIAM.HHZ. 2021-04-22T04:34:32.08 3.0 undecidable manual Pn 0.5 0
IV.ARVD.HHZ. 2021-04-22T04:34:29.33 3.0 undecidable manual Pg 13.09 0
IV.PESA.HHZ. 2021-04-22T04:34:16.03 3.0 undecidable manual Pn 5.29 0
MN.TRI.HHZ. 2021-04-22T04:34:16.34 3.0 negative manual Pg 13.73 0
IV.SEI.HHZ. 2021-04-22T04:34:11.61 3.0 negative manual Pg 9.89 0
IV.CAVE.HHZ. 2021-04-22T04:33:56.82 3.0 positive manual Pg 6.63 0
CH.DIX.HHE. 2021-04-22T04:33:41.00 0.6 undecidable manual P 237 189.4659 38 1.56 19
OE.WTTA.HHE. 2021-04-22T04:33:38.08 0.6 undecidable manual P 81 165.8118 50 1.9 17
CH.FUSIO.HHZ. 2021-04-22T04:33:35.49 0.6 undecidable manual S 223 88.9443 50 -0.01 48
CH.MMK.HHE. 2021-04-22T04:33:35.72 0.6 undecidable manual P 227 158.5191 50 0.67 34
IV.VARE.HHE. 2021-04-22T04:33:33.27 0.6 undecidable manual P 202 140.4483 50 1 31
MN.TUE.HHZ. 2021-04-22T04:33:28.04 0.6 undecidable manual S 188 63.5919 50 -0.71 42
IV.BRMO.HHZ. 2021-04-22T04:33:25.40 0.6 undecidable manual P 132 93.24 50 0.41 44
SI.MOSI.HHE. 2021-04-22T04:33:25.74 1.0 undecidable manual P 119 94.9383 50 0.48 21
CH.FUSIO.HHZ. 2021-04-22T04:33:24.68 0.1 positive manual P 223 88.9443 50 0.35 89
CH.BERNI.HHE. 2021-04-22T04:33:23.27 0.1 undecidable manual P 148 81.5517 50 0.08 96
CH.BNALP.HHZ. 2021-04-22T04:33:23.25 0.3 undecidable manual P 257 80.7636 50 0.17 71
CH.DAVOX.HHZ. 2021-04-22T04:33:22.56 0.6 undecidable manual S 132 42.7239 50 -0.62 45
MN.TUE.HHZ. 2021-04-22T04:33:20.39 0.3 undecidable manual P 188 63.5919 50 -0.04 75
CH.DAVOX.HHZ. 2021-04-22T04:33:16.77 0.1 negative manual P 132 42.7239 50 -0.44 95
CH.PLONS.HHE. 2021-04-22T04:33:12.16 0.6 undecidable manual S 279 6.2937 148 -1 41
CH.PLONS.HHE. 2021-04-22T04:33:10.92 0.1 undecidable manual P 279 6.2937 148 -0.51 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DAVOX.HHE. ML:1.4 0.00008025 0.84 AML other m 2021-04-22T04:33:22.17
CH.FUSIO.HHE. ML:1.3 0.0000237 0.16 AML other m 2021-04-22T04:33:24.91
CH.DAVOX.HHN. ML:1.5 0.0000969 0.4 AML other m 2021-04-22T04:33:25.27
MN.TUE.HHE. ML:1.7 0.000091 0.14 AML other m 2021-04-22T04:33:28.23
MN.TUE.HHN. ML:1.1 0.0000259 1.36 AML other m 2021-04-22T04:33:29.77
CH.FUSIO.HHN. ML:1.4 0.0000283 0.18 AML other m 2021-04-22T04:33:36.30
CH.BNALP.HHE. ML:1.4 0.00003645 0.24 AML other m 2021-04-22T04:33:40.20
CH.BNALP.HHN. ML:1.2 0.000019299999999999998 0.3 AML other m 2021-04-22T04:33:40.24
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download