Earthquake with magnitude of ML 1.0 on date 15-08-2020 and time 03:28:04 (Italy) in region 1 km SW Gorizia (GO)

A magnitude ML 1.0 earthquake occured in region: 1 km SW Gorizia (GO), on

  • 15-08-2020 01:28:04 (UTC)
  • 15-08-2020 03:28:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.9390, 13.6170 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Gorizia GO 1 34844 34844
Mossa GO 5 1584 36428
San Floriano del Collio GO 5 796 37224
Savogna d'Isonzo GO 5 1717 38941
San Lorenzo Isontino GO 7 1564 40505
Capriva del Friuli GO 8 1713 42218
Farra d'Isonzo GO 8 1733 43951
Moraro GO 9 768 44719
Gradisca d'Isonzo GO 10 6497 51216
Cormons GO 11 7414 58630
Doberdò del Lago GO 12 1404 60034
Mariano del Friuli GO 12 1530 61564
Sagrado GO 12 2193 63757
Fogliano Redipuglia GO 13 3054 66811
Romans d'Isonzo GO 15 3709 70520
Dolegna del Collio GO 15 370 70890
Corno di Rosazzo UD 15 3219 74109
Medea GO 15 953 75062
Ronchi dei Legionari GO 15 11963 87025
San Pier d'Isonzo GO 16 2029 89054
Monfalcone GO 16 28258 117312
Prepotto UD 16 769 118081
Villesse GO 16 1720 119801
Chiopris-Viscone UD 17 648 120449
San Giovanni al Natisone UD 17 6197 126646
Staranzano GO 17 7183 133829
Turriaco GO 19 2826 136655
Manzano UD 19 6455 143110
Campolongo Tapogliano UD 19 1167 144277
San Canzian d'Isonzo GO 20 6195 150472
San Vito al Torre UD 20 1269 151741

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Udine (99169 inhabitants)
34 Km NW of Trieste (204420 inhabitants)
74 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
Reviewed
Rev100
ML 1.0 2020-08-15
01:28:04
45.9393 13.6172 9 2020-08-15
01:35:38
Sala Sismica INGV-Roma 81989361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-15 01:28:04 ± 0.05
Latitude 45.9393 ± 0.0036
Longitude 13.6172 ± 0.0129
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81989361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1021
Semi-minor axis of confidence ellipse (meter) 82
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 1020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.04946
Epicentral distance of station farthest from the epicenter (degree) 0.47124
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 81989361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-15 01:35:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.BAD.HHE. 2020-08-15T01:28:19.70 0.6 undecidable manual S 319 43.5231 50 0.17 47
NI.VINO.HHZ. 2020-08-15T01:28:19.50 0.3 undecidable manual S 323 43.623 50 -0.08 72
NI.DST2.HHE. 2020-08-15T01:28:17.10 0.3 undecidable manual S 155 34.2435 50 0.04 74
MN.TRI.HHZ. 2020-08-15T01:28:15.00 0.3 undecidable manual S 156 27.9498 107 -0.1 74
RF.GEPF.HHZ. 2020-08-15T01:28:14.56 0.6 undecidable manual P 315 52.3032 50 -0.17 46
OX.DRE.HHZ. 2020-08-15T01:28:14.40 0.3 undecidable manual S 5 26.0517 108 -0.06 75
OX.BAD.HHE. 2020-08-15T01:28:13.38 0.6 undecidable manual P 319 43.5231 50 0.02 49
NI.VINO.HHZ. 2020-08-15T01:28:13.35 0.1 undecidable manual P 323 43.623 50 -0.04 97
NI.DST2.HHE. 2020-08-15T01:28:11.90 0.3 undecidable manual P 155 34.2435 50 -0.04 74
MN.TRI.HHZ. 2020-08-15T01:28:10.84 0.3 undecidable manual P 156 27.9498 107 0.04 75
OX.DRE.HHZ. 2020-08-15T01:28:10.47 0.1 undecidable manual P 5 26.0517 108 0.04 100
OX.SABO.HHZ. 2020-08-15T01:28:08.30 0.3 undecidable manual S 13 5.4945 148 -0.2 75
OX.SABO.HHZ. 2020-08-15T01:28:07.27 0.1 negative manual P 13 5.4945 148 0.28 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TRI.HHN. ML:0.0 0.0000892 0.12 AML other m 2020-08-15T01:28:15.36
MN.TRI.HHE. ML:0.0 0.00009675000000000001 0.12 AML other m 2020-08-15T01:28:15.38
OX.SABO.HHE. ML:0.0 0.0007211467999999999 0.22 AML other m 2020-08-15T01:28:09.27
OX.SABO.HHN. ML:0.0 0.0008305 0.24 AML other m 2020-08-15T01:28:08.55
OX.SABO.HNE. ML:0.0 0.0029046175 0.2 AML other m 2020-08-15T01:28:09.28
OX.SABO.HNN. ML:0.0 0.003115 0.24 AML other m 2020-08-15T01:28:08.56
NI.VINO.HHE. ML:0.0 0.000008011477 0.22 AML other m 2020-08-15T01:28:20.27
NI.VINO.HHN. ML:0.0 0.000008236775 0.28 AML other m 2020-08-15T01:28:23.14
RF.GEPF.HHE. ML:0.6 0.000010861327000000001 0.12 AML other m 2020-08-15T01:28:22.59
RF.GEPF.HHN. ML:0.8 0.0000155355 0.1 AML other m 2020-08-15T01:28:23.37
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