Earthquake with magnitude of ML 1.9 on date 21-05-2020 and time 15:12:26 (Italy) in region 1 km W Bordano (UD)

A magnitude ML 1.9 earthquake occured in region: 1 km W Bordano (UD), on

  • 21-05-2020 13:12:26 (UTC)
  • 21-05-2020 15:12:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.32, 13.1 at 12 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
Bordano UD 1 754 754
Trasaghis UD 4 2227 2981
Venzone UD 4 2117 5098
Gemona del Friuli UD 5 10964 16062
Amaro UD 7 823 16885
Osoppo UD 7 2936 19821
Cavazzo Carnico UD 7 1052 20873
Montenars UD 9 538 21411
Artegna UD 9 2885 24296
Magnano in Riviera UD 11 2336 26632
Verzegnis UD 11 863 27495
Tolmezzo UD 12 10440 37935
Buja UD 12 6563 44498
Resiutta UD 13 309 44807
Moggio Udinese UD 13 1714 46521
Vito d'Asio PN 14 769 47290
Lusevera UD 14 643 47933
Forgaria nel Friuli UD 14 1786 49719
Majano UD 14 5945 55664
Treppo Grande UD 15 1708 57372
Tarcento UD 15 9012 66384
Clauzetto PN 17 380 66764
Colloredo di Monte Albano UD 17 2223 68987
Cassacco UD 17 2938 71925
Zuglio UD 17 595 72520
Villa Santina UD 17 2233 74753
Lauco UD 17 729 75482
Resia UD 18 1033 76515
Ragogna UD 18 2909 79424
Nimis UD 18 2740 82164
San Daniele del Friuli UD 18 8013 90177
Arta Terme UD 19 2171 92348
Pinzano al Tagliamento PN 19 1525 93873
Tricesimo UD 19 7600 101473
Castelnovo del Friuli PN 19 880 102353
Preone UD 20 246 102599
Chiusaforte UD 20 672 103271
Enemonzo UD 20 1319 104590

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Udine (99169 inhabitants)
52 Km NE of Pordenone (51229 inhabitants)
90 Km NW of Trieste (204420 inhabitants)
97 Km NE of Treviso (83731 inhabitants)
Recent and historical seismicity

These maps show the seismicity for different time windows. The earthquake locations reported in these maps are determined in quasi real-time by the personnel on duty in the seismic surveillance center of INGV in Rome. Note that the earthquake source parameters (hypocentral location and magnitude) are the best estimates obstained with the available data and they are adjourned as additional data become available. The source parameters obtained by the personnel on duty are then revised by the group in charge of the INGV Seismic Bulletin (Bollettino Sismico Italiano dell’INGV).

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event *

This map reports the earthquake epicenters located in the 72 hours (3 days) preceding the time of the current earthquake occurrence, using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radius of the circle representing the earthquake on the map scales with magnitude. The color depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours). The open star shows the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event *

This map reports the Magnitudo ≥ 1.0 earthquake epicenters located in the 90 days preceding the time of the current earthquake occurrence, using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event *

This map reports the Magnitudo ≥ 2.5 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019 *

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version https://emidius.mi.ingv.it/CPTI15-DBMI15/) with estimated magnitude ≥ 5.0 since 1000 AD until 2014. The epicenters are represented by squares which sides scale with the estimated earthquake magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The open star shows the epicenter of the current earthquake.
Seismic hazard
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire *

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 1.9 2020-05-21
13:12:26
46.31 13.1 12 2020-11-19
12:36:47
Bollettino Sismico Italiano INGV 79996031
Reviewed
Rev100
ML 2.0 2020-05-21
13:12:26
46.31 13.09 13 2020-05-21
13:28:38
Sala Sismica INGV-Roma 79409221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-21 13:12:26 ± 0.06
Latitude 46.31 ± 0.00
Longitude 13.10 ± 0.00
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79996031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 377
Semi-minor axis of confidence ellipse (meter) 229
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 1
Circular confidence region, given by single value of horizontal uncertainty (meter) 380
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.0054
Epicentral distance of station farthest from the epicenter (degree) 0.49553
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:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 79996031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-08 07:39:51

ML:2

Field Value
Value 2
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 79409221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-21 13:28:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IT.DANT.HNE. 2020-05-21T13:12:43.85 0.6 undecidable manual S 303 0.4703 91 0.5 42
IT.FDS.HGE. 2020-05-21T13:12:41.21 0.6 undecidable manual S 291 0.3921 92 0.17 46
IV.FVI.HHZ. 2020-05-21T13:12:40.00 0.3 undecidable manual S 322 0.3552 92 0.04 71
OX.ACOM.HHZ. 2020-05-21T13:12:40.90 0.6 undecidable manual S 51 0.3705 92 0.5 43
OX.PRED.HNZ. 2020-05-21T13:12:39.82 0.3 undecidable manual S 68 0.348 92 0.08 71
OX.PLRO.HHE. 2020-05-21T13:12:36.70 0.3 undecidable manual S 9 0.2365 94 0.25 69
IT.DANT.HNE. 2020-05-21T13:12:36.69 0.6 undecidable manual P 303 0.4703 91 0.26 44
IV.STAL.HHZ. 2020-05-21T13:12:36.97 0.6 undecidable manual S 259 0.2716 93 -0.5 44
OX.SABO.HHZ. 2020-05-21T13:12:36.96 0.1 undecidable manual P 131 0.4955 91 0.1 92
OX.CLUD.HHZ. 2020-05-21T13:12:35.20 0.3 undecidable manual S 314 0.205 95 -0.3 70
IT.FDS.HGE. 2020-05-21T13:12:35.23 0.6 undecidable manual P 291 0.3921 92 0.14 46
IV.PTCC.HHZ. 2020-05-21T13:12:35.10 0.3 undecidable manual S 62 0.2005 95 -0.28 70
OX.DRE.HHZ. 2020-05-21T13:12:34.98 0.3 undecidable manual P 110 0.4056 92 -0.34 66
OX.MLN.HNE. 2020-05-21T13:12:34.99 0.1 undecidable manual P 244 0.3705 92 0.26 91
OX.PRED.HNZ. 2020-05-21T13:12:34.24 0.1 undecidable manual P 68 0.348 92 -0.1 94
IV.FVI.HHZ. 2020-05-21T13:12:34.31 0.1 undecidable manual P 322 0.3552 92 -0.16 93
OX.ACOM.HHZ. 2020-05-21T13:12:34.85 0.1 undecidable manual P 51 0.3705 92 0.13 93
OX.BAD.HHE. 2020-05-21T13:12:33.20 0.3 undecidable manual S 128 0.1304 108 -0.13 73
OX.MPRI.HHZ. 2020-05-21T13:12:32.80 0.3 undecidable manual S 225 0.1052 119 0.16 73
OX.FUSE.HHZ. 2020-05-21T13:12:32.60 0.3 undecidable manual S 327 0.1187 113 -0.41 69
OX.PLRO.HHE. 2020-05-21T13:12:32.71 0.1 undecidable manual P 9 0.2365 94 0.27 92
IV.STAL.HHZ. 2020-05-21T13:12:32.66 0.1 negative manual P 259 0.2716 93 -0.37 90
IV.PTCC.HHZ. 2020-05-21T13:12:31.68 0.1 undecidable manual P 62 0.2005 95 -0.15 96
OX.CLUD.HHZ. 2020-05-21T13:12:31.81 0.1 negative manual P 314 0.205 95 -0.09 97
OX.BAD.HHE. 2020-05-21T13:12:30.73 0.1 negative manual P 128 0.1304 108 0.09 99
OX.MPRI.HHZ. 2020-05-21T13:12:30.39 0.1 undecidable manual P 225 0.1052 119 0.15 98
OX.FUSE.HHZ. 2020-05-21T13:12:30.43 0.1 negative manual P 327 0.1187 113 -0.03 100
OX.BOO.HHE. 2020-05-21T13:12:30.90 0.3 undecidable manual S 22 0.0054 177 -0.14 74
OX.BOO.HHE. 2020-05-21T13:12:29.48 0.1 positive manual P 22 0.0054 177 0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.MPRI.HNE. ML:2.2 0.00153412315 0.3392 AML other m 2020-05-21T13:12:33.03
OX.MPRI.HHE. ML:2.3 0.001967286 0.3456 AML other m 2020-05-21T13:12:33.04
OX.MPRI.HNN. ML:2.3 0.001920837 0.2432 AML other m 2020-05-21T13:12:33.11
OX.MPRI.HHN. ML:2.4 0.002487481 0.2624 AML other m 2020-05-21T13:12:33.11
IV.PTCC.HHN. ML:1.9 0.000526323 0.16 AML other m 2020-05-21T13:12:35.42
IV.PTCC.HHE. ML:1.9 0.0004864433 0.1152 AML other m 2020-05-21T13:12:35.61
OX.CLUD.HHE. ML:1.6 0.00023889035 0.2432 AML other m 2020-05-21T13:12:36.50
OX.CLUD.HNE. ML:1.6 0.0002429994 0.2816 AML other m 2020-05-21T13:12:36.50
OX.CLUD.HNN. ML:1.7 0.0002970609 0.3392 AML other m 2020-05-21T13:12:36.98
OX.CLUD.HHN. ML:1.7 0.00030503205 0.3392 AML other m 2020-05-21T13:12:36.98
IV.STAL.HHE. ML:1.7 0.00024599675 0.1792 AML other m 2020-05-21T13:12:37.31
IV.STAL.HNN. ML:1.9 0.000375365 0.096 AML other m 2020-05-21T13:12:37.78
IV.STAL.HHN. ML:1.8 0.0002762743 0.16 AML other m 2020-05-21T13:12:37.78
IV.STAL.HNE. ML:1.8 0.00030110115 0.128 AML other m 2020-05-21T13:12:39.25
IV.FVI.HHN. ML:1.8 0.0002218215 0.1216 AML other m 2020-05-21T13:12:40.16
IV.FVI.HHE. ML:2 0.00033654 0.1216 AML other m 2020-05-21T13:12:40.88
OX.ACOM.HNE. ML:1.7 0.00016917615 0.2048 AML other m 2020-05-21T13:12:41.66
OX.ACOM.HHE. ML:1.7 0.0001636051 0.1984 AML other m 2020-05-21T13:12:42.00
OX.ACOM.HHN. ML:1.8 0.0002249996 0.2368 AML other m 2020-05-21T13:12:42.50
OX.ACOM.HNN. ML:1.9 0.0002497275 0.3584 AML other m 2020-05-21T13:12:42.50
OX.SABO.HNN. ML:2.4 0.00062516735 0.2368 AML other m 2020-05-21T13:12:46.52
OX.SABO.HHN. ML:1.9 0.0001820759 0.2432 AML other m 2020-05-21T13:12:46.59
OX.SABO.HHE. ML:1.8 0.0001579076 0.1792 AML other m 2020-05-21T13:12:46.70
OX.SABO.HNE. ML:2.4 0.0006939754 0.2048 AML other m 2020-05-21T13:12:46.71
OX.VARN.HHN. ML:0 8.145E-5 0.98 AML other m 2020-05-21T13:12:56.81
OX.VARN.HHE. ML:0 8.57E-5 0.28 AML other m 2020-05-21T13:13:02.77
ST.OZOL.HNE. ML:0 0.0007045 1.58 AML other m 2020-05-21T13:13:04.88
IV.CTI.HHE. ML:0 0.000187 0.16 AML other m 2020-05-21T13:13:05.51
SL.LJU.BHN. ML:0 0.000486 0.9 AML other m 2020-05-21T13:13:05.61
SL.LJU.BHE. ML:0 0.0003515 0.4 AML other m 2020-05-21T13:13:05.96
IV.CTI.HHN. ML:0 0.0002285 1.24 AML other m 2020-05-21T13:13:06.90
OX.CGRP.HHN. ML:0 6.135E-5 1.26 AML other m 2020-05-21T13:13:06.24
OX.CGRP.HHE. ML:0 6.93E-5 1.36 AML other m 2020-05-21T13:13:09.03
ST.DOSS.HHN. ML:0 0.0001365 0.32 AML other m 2020-05-21T13:13:14.38
ST.DOSS.HHE. ML:0 0.000146 0.7 AML other m 2020-05-21T13:13:16.49
ST.OZOL.HNN. ML:0 0.000284 1.48 AML other m 2020-05-21T13:13:16.86
ST.OZOL.EHN. ML:0 0.0001428 1.76 AML other m 2020-05-21T13:13:16.89
ST.OZOL.EHE. ML:0 0.0002045 1.64 AML other m 2020-05-21T13:13:17.82
ST.GAGG.HHN. ML:0 5.32E-5 0.74 AML other m 2020-05-21T13:13:17.51
ST.GAGG.HHE. ML:0 0.000115 0.18 AML other m 2020-05-21T13:13:17.51
ST.VARA.EHE. ML:0 0.000143 1.28 AML other m 2020-05-21T13:13:20.64
ST.VARA.EHN. ML:0 0.0001315 1.26 AML other m 2020-05-21T13:13:23.68
IV.MAGA.HHN. ML:0 8.93E-5 0.54 AML other m 2020-05-21T13:13:27.74
IV.MAGA.HHE. ML:0 0.0001445 0.66 AML other m 2020-05-21T13:13:28.64
GU.GENL.EHN. ML:0 0.000495 0.1 AML other m 2020-05-21T13:13:44.55
GU.GENL.EHE. ML:0 0.0002775 0.1 AML other m 2020-05-21T13:13:50.58
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions *

This map reports the focal mechanisms since 1977 in the region. The white and red beach ball symbols are mechanisms determined using the Regional Centroid Moment Tensor (RCMT, http://www.bo.ingv.it/RCMT) and are determined for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when there is a good source-receiver geometry of the target earthquake, the RCMT can be obtained also for earthquakes with magnitude larger than 4.0. The blue and white beach ball symbols indicate the mechanisms obtained from application of the Time Domain Moment Tensor (TDMT, http://terremoti.ingv.it/tdmt.html). This technique is used for M ≥ 3.5. The size of the beach ball sysmbol scales with the calculated moment magnitude, Mw.
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