Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 18-07-2020 and time 07:00:28 (Italy) in region 2 km NW Gemona del Friuli (UD)

A magnitude ML 0.9 earthquake occured in region: 2 km NW Gemona del Friuli (UD), on

  • 18-07-2020 05:00:28 (UTC)
  • 18-07-2020 07:00:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.2990, 13.1300 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Gemona del Friuli UD 3 10964 10964
Bordano UD 3 754 11718
Venzone UD 4 2117 13835
Trasaghis UD 4 2227 16062
Montenars UD 6 538 16600
Osoppo UD 6 2936 19536
Artegna UD 7 2885 22421
Magnano in Riviera UD 8 2336 24757
Amaro UD 9 823 25580
Buja UD 10 6563 32143
Cavazzo Carnico UD 10 1052 33195
Lusevera UD 11 643 33838
Tarcento UD 12 9012 42850
Treppo Grande UD 12 1708 44558
Resiutta UD 13 309 44867
Majano UD 13 5945 50812
Moggio Udinese UD 14 1714 52526
Cassacco UD 15 2938 55464
Verzegnis UD 15 863 56327
Colloredo di Monte Albano UD 15 2223 58550
Tolmezzo UD 15 10440 68990
Forgaria nel Friuli UD 15 1786 70776
Vito d'Asio PN 15 769 71545
Nimis UD 15 2740 74285
Resia UD 16 1033 75318
Tricesimo UD 16 7600 82918
Taipana UD 17 636 83554
San Daniele del Friuli UD 18 8013 91567
Ragogna UD 18 2909 94476
Clauzetto PN 18 380 94856
Attimis UD 18 1805 96661
Chiusaforte UD 19 672 97333
Reana del Rojale UD 19 4966 102299
Pinzano al Tagliamento PN 19 1525 103824
Zuglio UD 20 595 104419
Moruzzo UD 20 2456 106875
Pagnacco UD 20 5044 111919

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of Udine (99169 inhabitants)
53 Km NE of Pordenone (51229 inhabitants)
87 Km NW of Trieste (204420 inhabitants)
98 Km NE of Treviso (83731 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 0.9 2020-07-18
05:00:28		 46.2987 13.1297 11 2020-11-19
12:37:02		 Bollettino Sismico Italiano INGV 83101611
Reviewed
Rev100 		ML 0.9 2020-07-18
05:00:28		 46.3017 13.128 10 2020-07-18
05:08:04		 Sala Sismica INGV-Roma 81127311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-18 05:00:28 ± 0.06
Latitude 46.2987 ± 0.0045
Longitude 13.1297 ± 0.0052
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83101611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 497
Semi-minor axis of confidence ellipse (meter) 350
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 183
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
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) 0.02968
Epicentral distance of station farthest from the epicenter (degree) 0.38311
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 83101611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-21 12:48:33

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 81127311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-18 05:08:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FVI.HHZ. 2020-07-18T05:00:43.06 0.3 undecidable manual S 321 42.5241 50 0.26 68
OX.DRE.HHZ. 2020-07-18T05:00:42.44 1.0 undecidable manual S 109 41.9247 50 -0.21 23
OX.ACOM.HHZ. 2020-07-18T05:00:42.34 0.6 undecidable manual S 47 40.3263 50 0.11 47
IV.STAL.HHZ. 2020-07-18T05:00:39.70 0.3 undecidable manual S 263 32.4453 50 -0.42 67
OX.CLUD.HHZ. 2020-07-18T05:00:38.30 0.1 undecidable manual S 313 25.8519 50 -0.07 97
IV.FVI.HHZ. 2020-07-18T05:00:37.18 0.6 undecidable manual P 321 42.5241 50 0.26 45
OX.ACOM.HHZ. 2020-07-18T05:00:36.83 0.6 undecidable manual P 47 40.3263 50 0.24 46
IV.PTCC.HHZ. 2020-07-18T05:00:36.57 0.3 undecidable manual S 55 20.9679 117 -0.45 68
OX.DRE.HHZ. 2020-07-18T05:00:36.99 0.3 undecidable manual P 109 41.9247 50 0.16 70
OX.FUSE.HHZ. 2020-07-18T05:00:35.38 0.3 undecidable manual S 323 16.1727 123 -0.18 73
OX.CLUD.HHZ. 2020-07-18T05:00:34.30 0.1 undecidable manual P 313 25.8519 50 -0.06 98
IV.STAL.HHZ. 2020-07-18T05:00:34.88 0.3 undecidable manual P 263 32.4453 50 -0.49 66
OX.PLRO.HNZ. 2020-07-18T05:00:34.95 0.1 undecidable manual P 3 27.8499 50 0.29 93
OX.BAD.HNZ. 2020-07-18T05:00:34.13 0.3 undecidable manual S 129 11.2776 133 -0.1 74
OX.MPRI.HHZ. 2020-07-18T05:00:34.76 0.3 undecidable manual S 240 12.6762 130 0.19 73
IV.PTCC.HHZ. 2020-07-18T05:00:33.43 0.3 undecidable manual P 55 20.9679 117 -0.15 72
OX.BAD.HNZ. 2020-07-18T05:00:32.08 0.3 undecidable manual P 129 11.2776 133 0.11 74
OX.MPRI.HHZ. 2020-07-18T05:00:32.28 0.1 undecidable manual P 240 12.6762 130 0.12 99
OX.BOO.HNZ. 2020-07-18T05:00:32.62 0.3 undecidable manual S 314 3.2967 162 -0.07 76
OX.FUSE.HHZ. 2020-07-18T05:00:32.75 0.1 undecidable manual P 323 16.1727 123 0.02 100
OX.BOO.HNZ. 2020-07-18T05:00:31.35 0.1 undecidable manual P 314 3.2967 162 0.27 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.MPRI.HHE. ML:1.1 0.00014099999999999998 0.16 AML other m 2020-07-18T05:00:35.01
OX.MPRI.HHN. ML:1.1 0.00013550000000000001 1.18 AML other m 2020-07-18T05:00:35.25
OX.CLUD.HHE. ML:0.7 0.000029949999999999996 1.2 AML other m 2020-07-18T05:00:39.60
OX.CLUD.HHN. ML:0.6 0.00001965 0.72 AML other m 2020-07-18T05:00:39.72
IV.STAL.HHN. ML:0.9 0.00003655 0.16 AML other m 2020-07-18T05:00:40.88
IV.STAL.HHE. ML:0.8 0.0000305 0.68 AML other m 2020-07-18T05:00:41.50
IV.FVI.HHN. ML:0.9 0.000026799999999999998 0.24 AML other m 2020-07-18T05:00:43.31
IV.FVI.HHE. ML:1.0 0.000027999999999999996 0.54 AML other m 2020-07-18T05:00:43.54
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