Earthquake with magnitude of ML 1.3 on date 10-05-2020 and time 19:13:37 (Italy) in region 2 km N Grotte di Castro (VT)

A magnitude ML 1.3 earthquake occured in region: 2 km N Grotte di Castro (VT), on

  • 10-05-2020 17:13:37 (UTC)
  • 10-05-2020 19:13:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6950, 11.8780 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Grotte di Castro VT 2 2683 2683
San Lorenzo Nuovo VT 3 2091 4774
Onano VT 5 995 5769
Acquapendente VT 6 5506 11275
Gradoli VT 6 1353 12628
Proceno VT 8 557 13185
Latera VT 9 836 14021
Castel Giorgio TR 9 2131 16152
Bolsena VT 11 3991 20143
Castel Viscardo TR 12 2938 23081
Sorano GR 13 3428 26509
Valentano VT 15 2868 29377
Allerona TR 15 1794 31171
Capodimonte VT 16 1731 32902
Castell'Azzara GR 17 1476 34378
Pitigliano GR 18 3818 38196
Marta VT 18 3499 41695
Porano TR 18 1966 43661
Orvieto TR 19 20630 64291
Ischia di Castro VT 19 2326 66617
Bagnoregio VT 20 3650 70267
San Casciano dei Bagni SI 20 1632 71899
Lubriano VT 20 909 72808
Piansano VT 20 2079 74887

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NW of Viterbo (67173 inhabitants)
62 Km SW of Perugia (166134 inhabitants)
63 Km E of Grosseto (82087 inhabitants)
65 Km W of Terni (111501 inhabitants)
67 Km N of Civitavecchia (52991 inhabitants)
73 Km W of Foligno (57155 inhabitants)
82 Km SE of Siena (53903 inhabitants)
86 Km S of Arezzo (99543 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 1.3 2020-05-10
17:13:37
42.6953 11.8777 10 2020-11-19
12:36:45
Bollettino Sismico Italiano INGV 79417581
Reviewed
Rev100
ML 1.3 2020-05-10
17:13:37
42.7085 11.895 6 2020-05-10
17:24:39
Sala Sismica INGV-Roma 79018601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-10 17:13:37 ± 0.1
Latitude 42.6953 ± 0.0054
Longitude 11.8777 ± 0.0073
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79417581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 588
Semi-minor axis of confidence ellipse (meter) 528
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 356
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.09803
Epicentral distance of station farthest from the epicenter (degree) 0.69967
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 79417581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-10 02:50:46

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 79018601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-10 17:24:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATMI.HHZ. 2020-05-10T17:14:01.78 0.6 undecidable manual S 24 77.6667 50 0.99 33
IV.ATTE.HHZ. 2020-05-10T17:13:58.30 0.6 undecidable manual S 35 67.8765 50 0.12 45
IV.MOMA.HHZ. 2020-05-10T17:13:56.14 0.6 undecidable manual S 78 57.6978 50 0.68 40
IV.ATMI.HHZ. 2020-05-10T17:13:51.27 0.6 undecidable manual P 24 77.6667 50 0.41 42
IV.ARCI.HHZ. 2020-05-10T17:13:50.16 0.6 undecidable manual S 298 37.0296 50 0.2 47
IV.TOLF.HHN. 2020-05-10T17:13:49.38 0.3 undecidable manual P 172 70.7736 50 -0.42 64
IV.ATTE.HHZ. 2020-05-10T17:13:49.68 0.3 undecidable manual P 35 67.8765 50 0.33 65
IV.MGAB.HHZ. 2020-05-10T17:13:47.78 0.3 undecidable manual S 38 30.747 50 -0.49 67
IV.MOMA.HHZ. 2020-05-10T17:13:47.55 0.3 undecidable manual P 78 57.6978 50 -0.23 68
TV.SF01.EHZ. 2020-05-10T17:13:47.24 0.6 undecidable manual S 297 28.6491 50 -0.49 45
TV.SF13.HHZ. 2020-05-10T17:13:46.19 0.3 undecidable manual S 303 25.0527 111 -0.42 69
TV.SF11.HHZ. 2020-05-10T17:13:46.03 0.6 undecidable manual S 320 25.1526 111 -0.6 44
IV.BARO.HNZ. 2020-05-10T17:13:46.63 0.3 undecidable manual P 164 51.6039 50 -0.22 69
IV.ARCI.HHZ. 2020-05-10T17:13:45.24 0.3 undecidable manual P 298 37.0296 50 0.63 63
TV.SF14.HHZ. 2020-05-10T17:13:45.87 0.6 undecidable manual S 287 22.4553 113 0.1 50
TV.SF04.EHZ. 2020-05-10T17:13:45.95 0.6 undecidable manual S 311 23.5542 112 -0.18 49
IV.MCIV.CHZ. 2020-05-10T17:13:45.03 0.6 undecidable manual S 299 18.7701 117 0.4 47
IV.SACS.HHZ. 2020-05-10T17:13:44.30 0.6 undecidable manual S 9 17.2716 119 0.15 50
TV.SF03.EHZ. 2020-05-10T17:13:44.83 0.6 undecidable manual S 307 19.6692 116 -0.06 50
TV.SF11.HHZ. 2020-05-10T17:13:43.12 0.6 undecidable manual P 320 25.1526 111 0.44 46
IV.MGAB.HHZ. 2020-05-10T17:13:43.07 0.1 positive manual P 38 30.747 50 -0.56 88
TV.SF01.EHZ. 2020-05-10T17:13:43.34 0.3 undecidable manual P 297 28.6491 50 0.02 75
TV.SF04.EHZ. 2020-05-10T17:13:42.38 0.3 undecidable manual P 311 23.5542 112 -0.01 76
TV.SF13.HHZ. 2020-05-10T17:13:42.79 0.3 undecidable manual P 303 25.0527 111 0.12 74
IV.LATE.HHZ. 2020-05-10T17:13:42.46 0.6 undecidable manual S 214 10.878 132 0.13 50
TV.SF14.HHZ. 2020-05-10T17:13:42.10 0.1 negative manual P 287 22.4553 113 -0.08 99
IV.SACS.HHZ. 2020-05-10T17:13:41.06 0.1 positive manual P 9 17.2716 119 -0.19 98
IV.MCIV.CHZ. 2020-05-10T17:13:41.96 0.3 undecidable manual P 299 18.7701 117 0.43 70
TV.SF03.EHZ. 2020-05-10T17:13:41.51 0.3 undecidable manual P 307 19.6692 116 -0.17 74
IV.LATE.HHZ. 2020-05-10T17:13:40.36 0.1 positive manual P 214 10.878 132 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LATE.HHN. ML:1.6 0.0005824445000000001 0.2816 AML other m 2020-05-10T17:13:45.78
IV.LATE.HHE. ML:1.6 0.0005047624000000001 0.3072 AML other m 2020-05-10T17:13:44.26
IV.SACS.HHE. ML:1.2 0.00013350415 0.256 AML other m 2020-05-10T17:13:44.51
IV.SACS.HNN. ML:1.2 0.00012609863499999998 0.2176 AML other m 2020-05-10T17:13:44.69
IV.SACS.HHN. ML:1.2 0.00014077319999999998 0.2176 AML other m 2020-05-10T17:13:44.79
IV.SACS.HNE. ML:1.2 0.000140794 0.256 AML other m 2020-05-10T17:13:44.52
TV.SF04.EHN. ML:1.3 0.00012262862 0.1024 AML other m 2020-05-10T17:13:47.55
TV.SF04.EHE. ML:1.3 0.00013325634999999998 1.8464 AML other m 2020-05-10T17:13:49.97
IV.MGAB.HHN. ML:1.5 0.0001576312 0.1408 AML other m 2020-05-10T17:13:49.43
IV.MGAB.HHE. ML:1.4 0.0001101684 0.1664 AML other m 2020-05-10T17:13:49.52
IV.MGAB.HNE. ML:1.3 0.00008394133 0.1664 AML other m 2020-05-10T17:13:49.27
IV.MGAB.HNN. ML:1.6 0.00016830329999999998 0.1536 AML other m 2020-05-10T17:13:49.43
TV.SF01.EHN. ML:1.3 0.00009284557000000001 0.3456 AML other m 2020-05-10T17:13:51.17
TV.SF01.EHE. ML:1.3 0.00009495599 1.5776 AML other m 2020-05-10T17:13:53.11
IV.MOMA.HHE. ML:1.3 0.000040065605000000005 0.1536 AML other m 2020-05-10T17:13:57.22
IV.MOMA.HHN. ML:1.3 0.00004232577999999999 0.2304 AML other m 2020-05-10T17:13:58.60
IV.ATTE.HHN. ML:1.3 0.000037165450000000005 0.32 AML other m 2020-05-10T17:14:00.65
IV.ATTE.HHE. ML:1.2 0.00002705982 0.32 AML other m 2020-05-10T17:14:02.35
IV.ATMI.HHE. ML:1.4 0.00003704007 0.2816 AML other m 2020-05-10T17:14:04.14
IV.ATMI.HHN. ML:1.5 0.000045603755 0.3328 AML other m 2020-05-10T17:14:04.30
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