Earthquake with magnitude of ML 0.7 on date 17-08-2020 and time 13:59:30 (Italy) in region Confine Italia Slovenia (SLOVENIA)

A magnitude ML 0.7 earthquake occured in region: Confine Italia Slovenia (SLOVENIA), on

  • 17-08-2020 11:59:30 (UTC)
  • 17-08-2020 13:59:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.0520, 13.7170 at 8 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
San Floriano del Collio GO 13 796 796
Stregna UD 14 356 1152
Gorizia GO 14 34844 35996
Grimacco UD 15 342 36338
Drenchia UD 16 115 36453
San Leonardo UD 17 1129 37582
Mossa GO 18 1584 39166
Prepotto UD 18 769 39935
Dolegna del Collio GO 18 370 40305
Savogna UD 19 411 40716
San Lorenzo Isontino GO 20 1564 42280
San Pietro al Natisone UD 20 2171 44451
Capriva del Friuli GO 20 1713 46164

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Udine (99169 inhabitants)
45 Km N of Trieste (204420 inhabitants)
82 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 0.7 2020-08-17
11:59:30
46.0522 13.717 8 2020-11-19
12:37:05
Bollettino Sismico Italiano INGV 84026121
Reviewed
Rev100
ML 1.5 2020-08-17
11:59:31
46.0412 13.7017 10 2020-08-17
12:13:26
Sala Sismica INGV-Roma 82084421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-17 11:59:30 ± 0.11
Latitude 46.0522 ± 0.0036
Longitude 13.7170 ± 0.0117
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84026121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 909
Semi-minor axis of confidence ellipse (meter) 101
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 910.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 197
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63312
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.5
Num. used stations 6
Type of magnitude ML
Reference to an origin 82084421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-17 12:13:26

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 84026121
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-22 12:22:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.BAD.HHE. 2020-08-17T11:59:45.30 0.6 undecidable manual S 299 41.625 50 0.29 45
MN.TRI.HHZ. 2020-08-17T11:59:44.28 0.6 undecidable manual S 175 38.2284 50 0.16 46
NI.VINO.HHZ. 2020-08-17T11:59:44.59 0.6 undecidable manual S 304 40.626 50 -0.17 46
OX.PLRO.HHE. 2020-08-17T11:59:43.58 0.6 undecidable manual P 322 70.2741 50 0.21 43
OX.ACOM.HHE. 2020-08-17T11:59:42.19 3.0 undecidable manual P 0.66 0
IV.PTCC.HHE. 2020-08-17T11:59:40.20 3.0 undecidable manual P 0.12 0
OX.BAD.HHE. 2020-08-17T11:59:39.06 0.1 undecidable manual P 299 41.625 50 0.11 93
NI.DST2.HHE. 2020-08-17T11:59:39.18 3.0 undecidable manual P -0.05 0
NI.VINO.HHZ. 2020-08-17T11:59:38.46 0.1 undecidable manual P 304 40.626 50 -0.34 89
MN.TRI.HHZ. 2020-08-17T11:59:38.37 0.1 undecidable manual P 175 38.2284 50 -0.06 95
OX.DRE.HHZ. 2020-08-17T11:59:36.36 0.1 undecidable manual S 338 14.5743 117 0.02 100
OX.SABO.HHZ. 2020-08-17T11:59:34.93 0.3 undecidable manual S 222 9.5793 128 0.04 75
OX.SABO.HHZ. 2020-08-17T11:59:33.06 0.1 positive manual P 222 9.5793 128 -0.05 100
OX.DRE.HHZ. 2020-08-17T11:59:33.98 0.1 positive manual P 338 14.5743 117 0.04 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TRI.HHN. ML:0.7 0.000020048185 0.64 AML other m 2020-08-17T11:59:45.44
MN.TRI.HHE. ML:0.6 0.000016303539999999997 0.3808 AML other m 2020-08-17T11:59:45.17
NI.VINO.HHN. ML:0.9 0.00002469383 0.1984 AML other m 2020-08-17T11:59:45.54
NI.VINO.HHE. ML:0.8 0.000022140985000000003 0.16 AML other m 2020-08-17T11:59:45.58
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