Earthquake with magnitude of ML 2.0 on date 10-04-2019 and time 12:45:33 (UTC) in region 1 km E Grotte di Castro (VT)

A magnitude ML 2.0 earthquake occured in region: 1 km E Grotte di Castro (VT), on

  • 10-04-2019 12:45:33 (UTC)
  • 10-04-2019 14:45:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.67, 11.88 at 9 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 1 2683 2683
San Lorenzo Nuovo VT 3 2091 4774
Gradoli VT 4 1353 6127
Onano VT 6 995 7122
Latera VT 7 836 7958
Acquapendente VT 8 5506 13464
Castel Giorgio TR 9 2131 15595
Bolsena VT 9 3991 19586
Proceno VT 11 557 20143
Valentano VT 12 2868 23011
Castel Viscardo TR 14 2938 25949
Capodimonte VT 14 1731 27680
Sorano GR 14 3428 31108
Marta VT 16 3499 34607
Allerona TR 17 1794 36401
Ischia di Castro VT 17 2326 38727
Piansano VT 18 2079 40806
Pitigliano GR 18 3818 44624
Porano TR 18 1966 46590
Bagnoregio VT 18 3650 50240
Farnese VT 19 1527 51767
Lubriano VT 19 909 52676
Castell'Azzara GR 19 1476 54152
Montefiascone VT 19 13432 67584
Orvieto TR 19 20630 88214

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of Viterbo (67173 inhabitants)
64 Km E of Grosseto (82087 inhabitants)
64 Km SW of Perugia (166134 inhabitants)
64 Km W of Terni (111501 inhabitants)
65 Km N of Civitavecchia (52991 inhabitants)
74 Km W of Foligno (57155 inhabitants)
85 Km SE of Siena (53903 inhabitants)
89 Km S of Arezzo (99543 inhabitants)
100 Km NW of Roma (2864731 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
Rev 1000 ML 2.0 2019-04-10
12:45:33
42.67 11.88 9 2019-08-22
08:24:56
Bollettino Sismico Italiano INGV 67503881
Rev 100 ML 1.9 2019-04-10
12:45:33
42.69 11.89 5 2019-04-10
12:55:56
Sala Sismica INGV-Roma 67431461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-10 12:45:33 ± 0.1
Latitude 42.67 ± 0.01
Longitude 11.88 ± 0.01
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67503881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 856
Semi-minor axis of confidence ellipse (meter) 648
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 860
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 18
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
Epicentral distance of station farthest from the epicenter (degree) 0.75453
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2

Field Value
Value 2
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 67503881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-12 13:44:19

ML:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 67431461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-10 12:55:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
SI.BOSI.HHZ. 2019-04-10T12:47:25.60 3.0 undecidable manual Sg 5.98 0
IV.HAGA.HHZ. 2019-04-10T12:47:18.51 3.0 undecidable manual Pg 15.85 0
IV.CTI.HHZ. 2019-04-10T12:47:06.54 3.0 undecidable manual Sn -1.74 0
IV.PIPA.HHZ. 2019-04-10T12:47:04.90 3.0 negative manual Pg 16.530001 0
IV.PLLN.EHZ. 2019-04-10T12:47:03.95 3.0 negative manual Pg 14.4 0
IV.VENL.HNZ. 2019-04-10T12:46:56.58 3.0 undecidable manual Sg 3.27 0
GU.RSP.HHZ. 2019-04-10T12:46:48.89 3.0 undecidable manual Pg 11.19 0
IV.MTGR.HHZ. 2019-04-10T12:46:47.86 3.0 negative manual Pn 0.53 0
IV.SPS2.HHZ. 2019-04-10T12:46:44.41 3.0 undecidable manual Pn -2.19 0
IV.CRND.HNZ. 2019-04-10T12:46:33.32 3.0 undecidable manual Pg 9.36 0
IV.ZONE.HHZ. 2019-04-10T12:46:29.82 3.0 negative manual Pn 3.41 0
IV.EUCT.HNZ. 2019-04-10T12:46:29.57 3.0 undecidable manual Pg 4.83 0
GU.SARM.EHZ. 2019-04-10T12:46:29.92 3.0 undecidable manual Sn -1.3 0
IV.COLB.HHZ. 2019-04-10T12:46:21.67 3.0 undecidable manual Pg 6.14 0
IV.VBKN.HHZ. 2019-04-10T12:46:20.41 3.0 undecidable manual Pg 2.98 0
IV.VIVA.HHZ. 2019-04-10T12:45:57.11 3.0 negative manual P 0.45 0
IV.ATTE.HHZ. 2019-04-10T12:45:56.10 0.6 undecidable manual S 33 0.6286 50 1.13 31
IV.MOMA.HHZ. 2019-04-10T12:45:52.11 0.6 undecidable manual S 75 0.5216 50 0.31 43
IV.BARO.EHZ. 2019-04-10T12:45:49.37 0.6 undecidable manual S 164 0.4416 50 -0.05 47
IV.MURB.HHZ. 2019-04-10T12:45:48.10 0.1 undecidable manual P 38 0.7545 50 0.04 87
IV.GAVE.EHZ. 2019-04-10T12:45:48.21 0.3 undecidable manual P 88 0.7428 50 0.35 62
IV.ATTE.HHZ. 2019-04-10T12:45:46.02 0.3 undecidable manual P 33 0.6286 50 0.12 66
IV.MGAB.HHZ. 2019-04-10T12:45:44.98 0.6 undecidable manual S 35 0.2941 50 -0.07 48
TV.SF01.EHZ. 2019-04-10T12:45:44.77 0.6 undecidable manual S 301 0.2734 50 0.32 45
IV.MOMA.HHZ. 2019-04-10T12:45:43.93 0.3 undecidable manual P 75 0.5216 50 -0.14 67
TV.SF04.EHZ. 2019-04-10T12:45:42.86 0.6 undecidable manual S 315 0.2311 110 -0.14 48
IV.BARO.EHZ. 2019-04-10T12:45:42.42 0.1 positive manual P 164 0.4416 50 -0.28 89
IV.MCIV.CHZ. 2019-04-10T12:45:41.57 0.6 undecidable manual S 305 0.1853 115 0.2 47
IV.MGAB.HHZ. 2019-04-10T12:45:39.43 0.1 positive manual P 35 0.2941 50 -0.74 79
TV.SF01.EHZ. 2019-04-10T12:45:39.81 0.3 undecidable manual P 301 0.2734 50 -0.02 73
TV.SF04.EHZ. 2019-04-10T12:45:38.80 0.1 undecidable manual P 315 0.2311 110 -0.19 94
IV.LATE.HHZ. 2019-04-10T12:45:38.40 0.3 undecidable manual S 225 0.0818 136 0.34 70
IV.MCIV.CHZ. 2019-04-10T12:45:37.89 0.3 undecidable manual P 305 0.1853 115 -0.16 72
IV.LATE.HHZ. 2019-04-10T12:45:36.18 0.1 positive manual P 225 0.0818 136 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATMI.HHE. ML:0 0.0002685 0.96 AML other m 2019-04-10T12:46:01.32
IV.ATMI.HHN. ML:0 0.000303 1.06 AML other m 2019-04-10T12:46:02.80
IV.LATE.HHN. ML:2.5 0.004393311 0.3584 AML other m 2019-04-10T12:45:38.59
IV.LATE.HHE. ML:2.3 0.002943144 0.2816 AML other m 2019-04-10T12:45:39.32
IV.MCIV.CHE. ML:1.9 0.0005528265 0.288 AML other m 2019-04-10T12:45:45.00
IV.MCIV.CHN. ML:1.6 0.0003022913 0.7488 AML other m 2019-04-10T12:45:49.05
TV.SF04.EHN. ML:2.1 0.00083162775 0.256 AML other m 2019-04-10T12:45:46.38
TV.SF04.EHE. ML:2 0.00062968865 0.2816 AML other m 2019-04-10T12:45:47.78
IV.MGAB.HNE. ML:2 0.0004413527 0.3008 AML other m 2019-04-10T12:45:45.84
IV.MGAB.HHN. ML:2 0.0004148845 0.2432 AML other m 2019-04-10T12:45:47.64
IV.MGAB.HNN. ML:2 0.00042117935 0.256 AML other m 2019-04-10T12:45:47.64
IV.MGAB.HHE. ML:2 0.0004552328 0.3008 AML other m 2019-04-10T12:45:45.84
TV.SF01.EHE. ML:2.1 0.00067921935 0.3584 AML other m 2019-04-10T12:45:45.50
TV.SF01.EHN. ML:2.1 0.0006240878 0.3968 AML other m 2019-04-10T12:45:47.15
IV.BARO.HNE. ML:1.8 0.00017140425 0.3712 AML other m 2019-04-10T12:45:54.17
IV.MOMA.HNE. ML:1.7 0.000118155955 0.3392 AML other m 2019-04-10T12:45:55.16
IV.MOMA.HHN. ML:1.6 9.08266E-5 0.1984 AML other m 2019-04-10T12:45:54.49
IV.MOMA.HHE. ML:1.8 0.0001477686 0.2368 AML other m 2019-04-10T12:45:56.61
IV.MOMA.HNN. ML:1.9 0.000164534315 0.6592 AML other m 2019-04-10T12:45:59.56
IV.ATTE.HHN. ML:1.8 0.0001112184 0.3008 AML other m 2019-04-10T12:46:01.07
IV.ATTE.HHE. ML:1.8 0.0001150667 0.3008 AML other m 2019-04-10T12:46:00.20
IV.MURB.HHN. ML:2.5 0.00039845875 0.2816 AML other m 2019-04-10T12:46:07.29
IV.MURB.HNE. ML:2.5 0.00037750505 0.32 AML other m 2019-04-10T12:46:05.07
IV.MURB.HHE. ML:2.5 0.00044129575 0.32 AML other m 2019-04-10T12:46:05.22
IV.MURB.HNN. ML:2.5 0.00044434955 0.32 AML other m 2019-04-10T12:46:07.29
IV.GAVE.HNE. ML:2 0.00012789475 0.4992 AML other m 2019-04-10T12:46:01.64
IV.GAVE.EHN. ML:1.8 8.3985225E-5 0.4992 AML other m 2019-04-10T12:46:02.84
IV.GAVE.EHE. ML:1.7 7.1520265E-5 0.4224 AML other m 2019-04-10T12:46:06.65
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download