Earthquake with magnitude of ML 0.9 on date 15-05-2020 and time 16:07:35 (UTC) in region 3 km S Castel Giorgio (TR)

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

  • 15-05-2020 16:07:35 (UTC)
  • 15-05-2020 18:07:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6780, 11.9770 at 10 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 4 2131 2131
Bolsena VT 4 3991 6122
San Lorenzo Nuovo VT 6 2091 8213
Grotte di Castro VT 9 2683 10896
Castel Viscardo TR 9 2938 13834
Porano TR 10 1966 15800
Gradoli VT 11 1353 17153
Bagnoregio VT 12 3650 20803
Lubriano VT 12 909 21712
Acquapendente VT 12 5506 27218
Orvieto TR 12 20630 47848
Onano VT 13 995 48843
Latera VT 13 836 49679
Proceno VT 15 557 50236
Allerona TR 15 1794 52030
Capodimonte VT 15 1731 53761
Montefiascone VT 16 13432 67193
Marta VT 16 3499 70692
Valentano VT 18 2868 73560
Celleno VT 18 1355 74915
Castiglione in Teverina VT 19 2329 77244
Civitella d'Agliano VT 19 1640 78884
Ficulle TR 19 1669 80553
Baschi TR 20 2722 83275

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of Viterbo (67173 inhabitants)
56 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)
71 Km E of Grosseto (82087 inhabitants)
88 Km S of Arezzo (99543 inhabitants)
89 Km SE of Siena (53903 inhabitants)
97 Km NW of Roma (2864731 inhabitants)
97 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 2020-05-15
16:07:35
42.6778 11.9768 10 2020-05-15
16:23:11
Sala Sismica INGV-Roma 79166711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-15 16:07:35 ± 0.16
Latitude 42.6778 ± 0.0072
Longitude 11.9768 ± 0.0086
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79166711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 949
Semi-minor axis of confidence ellipse (meter) 466
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 138
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 220
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33185
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 79166711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-15 16:23:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SLCN.HHZ. 2020-05-15T16:09:03.67 3.0 undecidable manual Sg 10.66 0
IV.IMOL.HNZ. 2020-05-15T16:08:27.38 3.0 undecidable manual Sn 0.04 0
IV.MNTV.HNZ. 2020-05-15T16:08:22.49 3.0 undecidable manual Pg 7.88 0
IV.RIBO.EHZ.01 2020-05-15T16:07:53.07 3.0 negative manual P 3.45 0
IV.MNTT.EHZ. 2020-05-15T16:07:47.57 3.0 undecidable manual P -0.09 0
TV.SF01.EHZ. 2020-05-15T16:07:47.61 0.6 undecidable manual S 294 36.8298 50 0.04 64
TV.SF13.HHZ. 2020-05-15T16:07:46.54 0.6 undecidable manual S 298 33.0447 50 -0.01 65
TV.SF14.HHN. 2020-05-15T16:07:45.42 0.6 undecidable manual S 286 30.747 50 -0.52 58
IV.MGAB.HHZ. 2020-05-15T16:07:45.42 0.6 undecidable manual S 23 28.2495 50 0.14 64
IV.MCIV.CHZ. 2020-05-15T16:07:44.87 0.6 undecidable manual S 295 26.9508 50 -0.05 65
TV.SF01.EHZ. 2020-05-15T16:07:42.35 0.6 undecidable manual P 294 36.8298 50 0.08 64
IV.SACS.HHZ. 2020-05-15T16:07:42.86 0.6 undecidable manual S 344 19.7691 117 0.12 65
TV.SF13.HHZ. 2020-05-15T16:07:41.93 0.6 undecidable manual P 298 33.0447 50 0.24 62
IV.LATE.HHZ. 2020-05-15T16:07:41.45 0.6 undecidable manual S 243 15.7731 122 -0.09 66
TV.SF14.HHN. 2020-05-15T16:07:41.58 0.3 undecidable manual P 286 30.747 50 0.24 93
IV.MCIV.CHZ. 2020-05-15T16:07:41.06 0.6 undecidable manual P 295 26.9508 50 0.31 62
IV.MGAB.HHZ. 2020-05-15T16:07:40.65 0.3 undecidable manual P 23 28.2495 50 -0.31 92
IV.SACS.HHZ. 2020-05-15T16:07:39.35 0.3 undecidable manual P 344 19.7691 117 -0.14 97
IV.LATE.HHZ. 2020-05-15T16:07:38.82 0.3 undecidable manual P 243 15.7731 122 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LATE.HHN. ML:1.2 0.00014013645 0.128 AML other m 2020-05-15T16:07:42.12
IV.LATE.HHE. ML:1.1 0.00012048905 0.128 AML other m 2020-05-15T16:07:42.63
IV.SACS.HHN. ML:0.6 0.0000296661285 0.3968 AML other m 2020-05-15T16:07:43.71
IV.SACS.HHE. ML:0.7 0.0000396049 0.256 AML other m 2020-05-15T16:07:43.56
IV.MGAB.HHN. ML:0.8 0.00003057083 0.2176 AML other m 2020-05-15T16:07:47.48
IV.MGAB.HNE. ML:0.9 0.000041137535 0.2304 AML other m 2020-05-15T16:07:46.36
IV.MGAB.HHE. ML:0.8 0.000036065535000000005 0.2048 AML other m 2020-05-15T16:07:46.14
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