Earthquake with magnitude of ML 2.0 on date 22-05-2021 and time 08:43:33 (Italy) in region Confine Italia Slovenia (SLOVENIA)

A magnitude ML 2.0 earthquake occured in region: Confine Italia Slovenia (SLOVENIA), on

  • 22-05-2021 06:43:33 (UTC)
  • 22-05-2021 08:43:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.2700, 13.7040 at 7 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Drenchia UD 12 115 115
Grimacco UD 15 342 457
Savogna UD 18 411 868
Stregna UD 19 356 1224
Pulfero UD 20 962 2186

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NE of Udine (99169 inhabitants)
69 Km N of Trieste (204420 inhabitants)
88 Km E 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 2021-05-22
06:43:33
46.2705 13.7043 7 2021-12-29
11:12:01
Bollettino Sismico Italiano INGV 90509411
Reviewed
Rev100
ML 2.0 2021-05-22
06:43:33
46.2592 13.7068 8 2021-05-22
06:51:36
Sala Sismica INGV-Roma 90363231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-22 06:43:33 ± 0.14
Latitude 46.2705 ± 0.0054
Longitude 13.7043 ± 0.0104
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90509411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 807
Semi-minor axis of confidence ellipse (meter) 349
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 246
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.10522
Epicentral distance of station farthest from the epicenter (degree) 1.83462
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 31
Type of magnitude ML
Reference to an origin 90509411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-15 08:49:43

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 90363231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-22 06:51:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.OZOL.EHZ. 2021-05-22T06:44:05.68 0.6 undecidable manual P 275 203.6406 38 -0.55 27
ST.ZIAN.EHZ. 2021-05-22T06:44:04.13 1.0 undecidable manual P 271 164.2134 50 3.26 1
SL.LJU.BHZ. 2021-05-22T06:43:55.43 0.3 undecidable manual S 111 68.0763 50 0.3 68
OX.VARN.HHZ. 2021-05-22T06:43:55.26 0.6 undecidable manual P 256 126.7731 50 0.16 42
OX.MPRI.HHZ. 2021-05-22T06:43:52.77 0.3 undecidable manual S 267 55.1004 50 1.12 51
MN.TRI.HHZ. 2021-05-22T06:43:52.80 0.3 undecidable manual S 176 62.493 50 -0.83 58
IV.FVI.HHZ. 2021-05-22T06:43:48.23 0.3 undecidable manual P 297 79.365 50 0.43 65
RF.GEPF.HHZ. 2021-05-22T06:43:48.38 0.3 undecidable manual S 271 43.4232 50 -0.16 74
SL.LJU.BHZ. 2021-05-22T06:43:46.38 0.3 undecidable manual P 111 68.0763 50 0.32 68
OX.SABO.HNZ. 2021-05-22T06:43:45.66 0.3 undecidable manual S 190 31.8459 103 0.64 66
NI.VINO.HHZ. 2021-05-22T06:43:45.20 0.3 undecidable manual S 267 32.9448 103 -0.19 75
OX.CLUD.HHZ. 2021-05-22T06:43:45.85 0.3 undecidable manual P 288 66.2781 50 0.06 72
OX.ACOM.HNE. 2021-05-22T06:43:45.76 0.6 undecidable manual S 335 34.0437 102 -0.01 51
IV.PTCC.HHE. 2021-05-22T06:43:44.57 0.3 undecidable manual S 300 30.8469 103 -0.1 76
OX.MPRI.HHZ. 2021-05-22T06:43:44.25 0.3 undecidable manual P 267 55.1004 50 0.19 72
NI.PALA.HHZ. 2021-05-22T06:43:44.78 0.1 undecidable manual P 268 59.8956 50 -0.03 98
MN.TRI.HHZ. 2021-05-22T06:43:43.53 0.3 undecidable manual P 176 62.493 50 -1.67 37
RF.GEPF.HHZ. 2021-05-22T06:43:42.18 0.3 undecidable manual P 271 43.4232 50 -0.08 75
OX.PRED.HNZ. 2021-05-22T06:43:41.78 0.3 undecidable manual S 331 21.867 109 0.09 78
OX.ACOM.HNE. 2021-05-22T06:43:40.49 0.3 undecidable manual P 335 34.0437 102 -0.17 75
OX.SABO.HNZ. 2021-05-22T06:43:40.05 0.3 undecidable manual P 190 31.8459 103 -0.18 75
NI.VINO.HHZ. 2021-05-22T06:43:40.14 0.3 undecidable manual P 267 32.9448 103 -0.3 73
IV.PTCC.HHE. 2021-05-22T06:43:39.78 0.3 undecidable manual P 300 30.8469 103 -0.25 74
OX.PRED.HNZ. 2021-05-22T06:43:38.26 0.3 undecidable manual P 331 21.867 109 -0.04 78
OX.DRE.HHZ. 2021-05-22T06:43:38.46 0.3 undecidable manual S 203 11.6772 122 -0.01 80
OX.DRE.HHZ. 2021-05-22T06:43:36.78 0.1 undecidable manual P 203 11.6772 122 0.33 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
NI.VINO.HHN. ML:2.0 0.0005085000000000001 1.34 AML other m 2021-05-22T06:43:45.83
NI.VINO.HHE. ML:1.9 0.0003325 1.8 AML other m 2021-05-22T06:43:45.06
OX.SABO.HHE. ML:2.1 0.0006335 0.78 AML other m 2021-05-22T06:43:46.50
OX.SABO.HNE. ML:2.7 0.00244 0.78 AML other m 2021-05-22T06:43:46.89
OX.SABO.HHN. ML:2.2 0.0006565000000000001 0.52 AML other m 2021-05-22T06:43:46.93
OX.SABO.HNN. ML:2.8 0.00266 0.52 AML other m 2021-05-22T06:43:48.20
RF.GEPF.HHE. ML:2.0 0.0003525 0.26 AML other m 2021-05-22T06:43:48.84
RF.GEPF.HHN. ML:2.0 0.000334 0.18 AML other m 2021-05-22T06:43:49.72
MN.TRI.HHN. ML:0.0 0.0000906 0.58 AML other m 2021-05-22T06:43:53.35
MN.TRI.HHE. ML:0.0 0.0002095 0.36 AML other m 2021-05-22T06:43:54.05
NI.PALA.HHE. ML:2.0 0.00021250000000000002 1.08 AML other m 2021-05-22T06:43:56.74
SL.LJU.BHN. ML:3.1 0.0022949999999999997 1.1 AML other m 2021-05-22T06:43:56.87
OX.MPRI.HHE. ML:1.7 0.00012435000000000001 1.08 AML other m 2021-05-22T06:43:56.99
SL.LJU.BHE. ML:2.9 0.00138 1.5 AML other m 2021-05-22T06:43:57.12
OX.MPRI.HHN. ML:2.0 0.000207 1.18 AML other m 2021-05-22T06:43:57.06
OX.CLUD.HHN. ML:1.5 0.0000533 0.82 AML other m 2021-05-22T06:43:59.38
OX.CLUD.HHE. ML:1.5 0.00006245 0.72 AML other m 2021-05-22T06:44:00.99
IV.FVI.HHN. ML:1.7 0.00007024999999999999 1.6 AML other m 2021-05-22T06:44:00.88
IV.FVI.HHE. ML:1.9 0.00010550000000000002 0.42 AML other m 2021-05-22T06:44:01.21
NI.PALA.HHN. ML:2.1 0.0002475 1.26 AML other m 2021-05-22T06:44:01.21
OX.VARN.HNN. ML:2.2 0.00011999999999999999 0.92 AML other m 2021-05-22T06:44:16.87
OX.VARN.HHN. ML:2.3 0.000124 0.82 AML other m 2021-05-22T06:44:18.15
OX.VARN.HHE. ML:2.4 0.00017299999999999998 1.06 AML other m 2021-05-22T06:44:18.76
OX.VARN.HNE. ML:2.4 0.00017199999999999998 1.06 AML other m 2021-05-22T06:44:18.76
OX.MPRI.HNN. ML:1.8 0.0001485434 0.32 AML other m 2021-05-22T06:43:57.06
OX.MPRI.HNE. ML:1.6 0.000092799335 0.2784 AML other m 2021-05-22T06:43:59.49
OX.CLUD.HNE. ML:1.5 0.00006186201 0.64 AML other m 2021-05-22T06:44:00.67
OX.CLUD.HNN. ML:1.6 0.000064766405 0.7808 AML other m 2021-05-22T06:43:59.39
ST.ZIAN.EHE. ML:2.0 0.00004413342 0.4608 AML other m 2021-05-22T06:44:31.80
ST.OZOL.EHN. ML:2.4 0.000076791 0.4 AML other m 2021-05-22T06:44:42.67
ST.OZOL.EHE. ML:2.5 0.00009036821 0.4192 AML other m 2021-05-22T06:44:38.75
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