Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 07-04-2021 and time 02:20:28 (UTC) in region Confine Italia Austria (AUSTRIA)

A magnitude ML 2.0 earthquake occured in region: Confine Italia Austria (AUSTRIA), on

  • 07-04-2021 02:20:28 (UTC)
  • 07-04-2021 04:20:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.7760, 12.6860 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.

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Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
90 Km NW of Udine (99169 inhabitants)
91 Km N of Pordenone (51229 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 2.0 2021-04-07
02:20:28		 46.7758 12.6863 10 2021-07-12
16:55:09		 Bollettino Sismico Italiano INGV 89769981
Reviewed
Rev100 		ML 2.0 2021-04-07
02:20:28		 46.7668 12.668 5 2021-04-07
02:26:47		 Sala Sismica INGV-Roma 88861981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-07 02:20:28 ± 0.19
Latitude 46.7758 ± 0.0072
Longitude 12.6863 ± 0.0079
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89769981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 735
Semi-minor axis of confidence ellipse (meter) 475
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 212
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 180
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.23742
Epicentral distance of station farthest from the epicenter (degree) 1.73749
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 33
Type of magnitude ML
Reference to an origin 89769981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-04 16:03:55

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 88861981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-07 02:26:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MAGA.HHZ. 2021-04-07T02:21:23.38 3.0 undecidable manual S 192.8625 1.57 0
ST.RONC.EHZ. 2021-04-07T02:21:21.16 3.0 undecidable manual S 180.8856 1.94 0
IV.MABI.HHZ. 2021-04-07T02:21:21.25 3.0 undecidable manual S 184.371 1.28 0
ST.VARA.EHZ. 2021-04-07T02:21:19.45 3.0 undecidable manual S 172.9935 2.14 0
SL.LJU.BHZ. 2021-04-07T02:21:16.15 3.0 undecidable manual S 162.615 1.62 0
SI.LUSI.HHZ. 2021-04-07T02:21:14.99 3.0 undecidable manual S 161.2164 0.82 0
ST.DOSS.HHZ. 2021-04-07T02:21:14.31 3.0 undecidable manual S 151.737 2.67 0
MN.TRI.HHZ. 2021-04-07T02:21:11.79 3.0 undecidable manual S 144.3444 2.12 0
ST.OZOL.EHZ. 2021-04-07T02:21:07.08 0.3 undecidable manual S 252 131.2686 50 0.91 47
IV.APPI.EHZ. 2021-04-07T02:21:01.86 0.3 undecidable manual S 254 115.8951 50 -0.21 61
IV.MAGA.HHZ. 2021-04-07T02:21:00.39 3.0 undecidable manual P 192.8625 1.19 0
IV.MABI.HHZ. 2021-04-07T02:20:59.12 3.0 undecidable manual P 184.371 0.98 0
SI.KOSI.HHZ. 2021-04-07T02:20:59.12 0.6 undecidable manual S 251 105.6165 50 -0.19 42
ST.RONC.EHZ. 2021-04-07T02:20:58.75 3.0 undecidable manual P 180.8856 1.04 0
ST.VARA.EHZ. 2021-04-07T02:20:58.08 3.0 undecidable manual P 172.9935 1.48 0
SL.LJU.BHZ. 2021-04-07T02:20:56.08 3.0 undecidable manual P 162.615 1.08 0
OE.WTTA.HHZ. 2021-04-07T02:20:56.05 0.3 undecidable manual S 305 96.126 50 -0.74 54
SI.LUSI.HHZ. 2021-04-07T02:20:56.58 3.0 undecidable manual P 161.2164 1.79 0
SI.ROSI.HHZ. 2021-04-07T02:20:56.96 0.3 undecidable manual S 280 98.124 50 -0.38 61
ST.DOSS.HHZ. 2021-04-07T02:20:54.85 3.0 undecidable manual P 151.737 1.52 0
NI.VINO.HHZ. 2021-04-07T02:20:51.18 0.3 undecidable manual S 142 73.371 50 0.47 63
MN.TRI.HHZ. 2021-04-07T02:20:51.19 3.0 undecidable manual P 144.3444 -1 0
OX.AGOR.HHN. 2021-04-07T02:20:50.52 0.3 undecidable manual S 222 73.2711 50 -0.18 67
IV.BRES.EHZ. 2021-04-07T02:20:50.46 0.6 undecidable manual S 264 72.8715 50 -0.14 45
ST.OZOL.EHZ. 2021-04-07T02:20:50.64 0.1 undecidable manual P 252 131.2686 50 0.47 75
IV.APPI.EHZ. 2021-04-07T02:20:48.28 0.1 undecidable manual P 254 115.8951 50 0.48 77
OX.MPRI.HHZ. 2021-04-07T02:20:48.66 0.3 undecidable manual S 159 63.6918 50 0.53 63
RF.GEPF.HHZ. 2021-04-07T02:20:48.98 0.3 undecidable manual S 148 65.3901 50 0.38 65
NI.PALA.HHZ. 2021-04-07T02:20:47.83 0.3 undecidable manual S 163 61.5939 50 0.25 68
IV.STAL.HHZ. 2021-04-07T02:20:46.48 0.6 undecidable manual S 178 57.1983 50 0.06 47
SI.KOSI.HHZ. 2021-04-07T02:20:46.44 0.1 undecidable manual P 251 105.6165 50 0.22 83
SI.ROSI.HHZ. 2021-04-07T02:20:45.04 0.1 undecidable manual P 280 98.124 50 -0.03 88
ST.ZIAN.EHZ. 2021-04-07T02:20:45.94 0.1 undecidable manual P 238 102.0201 50 0.26 83
OX.CIMO.HHZ. 2021-04-07T02:20:45.30 0.3 undecidable manual S 200 54.7008 50 -0.44 66
OE.WTTA.HHZ. 2021-04-07T02:20:44.80 0.1 undecidable manual P 305 96.126 50 0.04 88
OX.FUSE.HHZ. 2021-04-07T02:20:43.33 0.3 undecidable manual S 149 46.7199 50 -0.28 69
OX.PLRO.HNZ. 2021-04-07T02:20:42.18 0.3 undecidable manual S 125 43.2234 50 -0.5 66
OX.AGOR.HHN. 2021-04-07T02:20:41.75 0.3 undecidable manual P 222 73.2711 50 0.51 62
IV.BRES.EHZ. 2021-04-07T02:20:41.03 0.1 undecidable manual P 264 72.8715 50 -0.15 90
NI.VINO.HHZ. 2021-04-07T02:20:41.41 0.1 undecidable manual P 142 73.371 50 0.16 90
RF.GEPF.HHZ. 2021-04-07T02:20:40.24 0.1 undecidable manual P 148 65.3901 50 0.21 90
OX.CLUD.HHZ. 2021-04-07T02:20:40.36 0.3 undecidable manual S 157 38.3283 50 -1.02 54
OX.MPRI.HHZ. 2021-04-07T02:20:39.78 0.1 undecidable manual P 159 63.6918 50 0.02 94
NI.PALA.HHZ. 2021-04-07T02:20:39.49 0.1 undecidable manual P 163 61.5939 50 0.05 94
OX.CIMO.HHZ. 2021-04-07T02:20:38.34 0.1 undecidable manual P 200 54.7008 50 -0.04 95
IV.STAL.HHZ. 2021-04-07T02:20:38.79 0.1 undecidable manual P 178 57.1983 50 0.02 95
OX.FUSE.HHZ. 2021-04-07T02:20:37.00 0.1 undecidable manual P 149 46.7199 50 -0.15 94
IT.DANT.HNE. 2021-04-07T02:20:37.48 0.3 undecidable manual S 209 26.3514 110 -0.56 67
OX.PLRO.HNZ. 2021-04-07T02:20:36.38 0.1 undecidable manual P 125 43.2234 50 -0.23 94
OX.CLUD.HHZ. 2021-04-07T02:20:35.70 0.1 undecidable manual P 157 38.3283 50 -0.16 96
IT.DANT.HNE. 2021-04-07T02:20:33.98 0.1 undecidable manual P 209 26.3514 110 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.CLUD.HHE. ML:1.4 0.00008535 0.46 AML other m 2021-04-07T02:20:41.28
OX.CIMO.HHN. ML:1.4 0.000064 0.68 AML other m 2021-04-07T02:20:45.63
OX.CIMO.HNE. ML:1.8 0.00014000000000000001 0.5 AML other m 2021-04-07T02:20:45.68
OX.CIMO.HHE. ML:1.8 0.00013350000000000002 0.48 AML other m 2021-04-07T02:20:45.69
IV.STAL.HNE. ML:2.2 0.00034950000000000004 0.6 AML other m 2021-04-07T02:20:47.84
IV.STAL.HHE. ML:2.1 0.00030199999999999997 0.26 AML other m 2021-04-07T02:20:47.99
IV.STAL.HHN. ML:2.1 0.00028700000000000004 0.24 AML other m 2021-04-07T02:20:47.97
IV.STAL.HNN. ML:2.3 0.0004535 0.28 AML other m 2021-04-07T02:20:47.84
OX.CIMO.HNN. ML:1.5 0.00007035 1.36 AML other m 2021-04-07T02:20:48.91
OX.MPRI.HHN. ML:1.8 0.0001215 1.06 AML other m 2021-04-07T02:20:48.37
OX.MPRI.HHE. ML:1.7 0.00009875 1.3 AML other m 2021-04-07T02:20:49.22
RF.GEPF.HHN. ML:1.4 0.0000471 0.5 AML other m 2021-04-07T02:20:50.54
RF.GEPF.HHE. ML:1.2 0.000030550000000000004 0.24 AML other m 2021-04-07T02:20:50.55
IV.BRES.EHE. ML:2.0 0.00014854999999999998 0.34 AML other m 2021-04-07T02:20:52.38
IV.BRES.EHN. ML:2.0 0.000154 0.28 AML other m 2021-04-07T02:20:52.84
OE.WTTA.HHN. ML:1.8 0.00006835 1.12 AML other m 2021-04-07T02:20:57.28
OE.WTTA.HHE. ML:2.0 0.00010800000000000001 1.48 AML other m 2021-04-07T02:20:58.74
SI.ROSI.HHN. ML:2.0 0.00011499999999999999 0.5 AML other m 2021-04-07T02:21:00.71
SI.ROSI.HHE. ML:2.0 0.00010564999999999999 0.8 AML other m 2021-04-07T02:21:00.97
IV.APPI.EHE. ML:1.8 0.000055849999999999996 0.46 AML other m 2021-04-07T02:21:05.40
IV.APPI.EHN. ML:1.9 0.00006245 1.6 AML other m 2021-04-07T02:21:06.90
ST.OZOL.EHE. ML:2.4 0.00015900000000000002 0.72 AML other m 2021-04-07T02:21:11.47
ST.OZOL.EHN. ML:2.2 0.000112 0.42 AML other m 2021-04-07T02:21:12.43
SI.LUSI.HHE. ML:2.1 0.00005395 1.26 AML other m 2021-04-07T02:21:18.22
SI.LUSI.HHN. ML:2.2 0.0000804 0.26 AML other m 2021-04-07T02:21:18.73
ST.DOSS.HHN. ML:2.1 0.0000626 1.3 AML other m 2021-04-07T02:21:19.17
ST.VARA.EHN. ML:2.2 0.00006115000000000001 0.74 AML other m 2021-04-07T02:21:21.57
ST.DOSS.HHE. ML:2.3 0.00008824999999999999 0.4 AML other m 2021-04-07T02:21:22.61
IV.MABI.HHN. ML:1.8 0.00002035 0.8 AML other m 2021-04-07T02:21:24.13
IV.MABI.HHE. ML:1.6 0.0000172 0.64 AML other m 2021-04-07T02:21:25.80
IV.MAGA.HHE. ML:2.6 0.00011665 0.58 AML other m 2021-04-07T02:21:29.45
IV.MAGA.HHN. ML:2.2 0.000056500000000000005 0.94 AML other m 2021-04-07T02:21:30.00
OX.CLUD.HNE. ML:1.4 0.00008892998500000001 0.4592 AML other m 2021-04-07T02:20:41.28
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
Waveforms Seismic signals in miniseed + resp format Download