Earthquake with magnitude of ML 0.9 on date 16-05-2020 and time 05:13:15 (UTC) in region 3 km SW Castel Giorgio (TR)

A magnitude ML 0.9 earthquake occured in region: 3 km SW Castel Giorgio (TR), on

  • 16-05-2020 05:13:15 (UTC)
  • 16-05-2020 07:13:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6820, 11.9680 at 11 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
Castel Giorgio TR 3 2131 2131
Bolsena VT 4 3991 6122
San Lorenzo Nuovo VT 5 2091 8213
Grotte di Castro VT 8 2683 10896
Castel Viscardo TR 9 2938 13834
Gradoli VT 10 1353 15187
Acquapendente VT 11 5506 20693
Porano TR 11 1966 22659
Orvieto TR 12 20630 43289
Bagnoregio VT 12 3650 46939
Onano VT 13 995 47934
Lubriano VT 13 909 48843
Latera VT 13 836 49679
Proceno VT 14 557 50236
Allerona TR 15 1794 52030
Capodimonte VT 16 1731 53761
Marta VT 17 3499 57260
Montefiascone VT 17 13432 70692
Valentano VT 17 2868 73560
Celleno VT 19 1355 74915
Ficulle TR 19 1669 76584
Castiglione in Teverina VT 20 2329 78913
Civitella d'Agliano VT 20 1640 80553

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Viterbo (67173 inhabitants)
57 Km W of Terni (111501 inhabitants)
58 Km SW of Perugia (166134 inhabitants)
67 Km N of Civitavecchia (52991 inhabitants)
67 Km W of Foligno (57155 inhabitants)
70 Km E of Grosseto (82087 inhabitants)
88 Km S of Arezzo (99543 inhabitants)
88 Km SE of Siena (53903 inhabitants)
98 Km NW of Roma (2864731 inhabitants)
98 Km NW of Guidonia Montecelio (88673 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 0.9 2020-05-16
05:13:15
42.6825 11.9677 11 2020-05-16
05:23:26
Sala Sismica INGV-Roma 79191081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-16 05:13:15 ± 0.06
Latitude 42.6825 ± 0.0027
Longitude 11.9677 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79191081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 400
Semi-minor axis of confidence ellipse (meter) 177
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 306
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 215
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.13850
Epicentral distance of station farthest from the epicenter (degree) 0.27249
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 79191081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-16 05:23:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
TV.SF04.EHZ. 2020-05-16T05:13:26.08 0.3 undecidable manual S 304 30.2475 50 0.02 73
IV.MGAB.HHZ. 2020-05-16T05:13:25.62 0.3 undecidable manual S 25 28.1496 50 0.12 72
IV.SACS.HHZ. 2020-05-16T05:13:23.00 0.3 undecidable manual S 346 19.0698 119 0.02 74
IV.MGAB.HHZ. 2020-05-16T05:13:21.18 0.1 undecidable manual P 25 28.1496 50 -0.06 97
IV.LATE.HHZ. 2020-05-16T05:13:21.95 0.1 undecidable manual S 240 15.3735 124 0.06 99
TV.SF04.EHZ. 2020-05-16T05:13:21.50 0.1 undecidable manual P 304 30.2475 50 -0.06 96
IV.LATE.HHZ. 2020-05-16T05:13:19.14 0.1 undecidable manual P 240 15.3735 124 -0.01 100
IV.SACS.HHZ. 2020-05-16T05:13:19.72 0.3 undecidable manual P 346 19.0698 119 -0.06 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LATE.HHN. ML:1.1 0.0001033 0.58 AML other m 2020-05-16T05:13:24.33
IV.LATE.HHE. ML:0.9 0.00007445000000000001 1.64 AML other m 2020-05-16T05:13:25.05
IV.MGAB.HHE. ML:0.8 0.000035000000000000004 0.42 AML other m 2020-05-16T05:13:26.22
IV.MGAB.HHN. ML:0.8 0.0000363 0.52 AML other m 2020-05-16T05:13:28.52
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