Earthquake with magnitude of ML 0.7 on date 24-06-2020 and time 01:57:08 (Italy) in region 2 km NW Proceno (VT)

A magnitude ML 0.7 earthquake occured in region: 2 km NW Proceno (VT), on

  • 23-06-2020 23:57:08 (UTC)
  • 24-06-2020 01:57:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.77, 11.82 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
Proceno VT 2 557 557
Acquapendente VT 5 5506 6063
Onano VT 9 995 7058
Castell'Azzara GR 10 1476 8534
Grotte di Castro VT 12 2683 11217
San Lorenzo Nuovo VT 12 2091 13308
San Casciano dei Bagni SI 12 1632 14940
Allerona TR 13 1794 16734
Sorano GR 14 3428 20162
Piancastagnaio SI 14 4230 24392
Radicofani SI 15 1097 25489
Castel Giorgio TR 15 2131 27620
Gradoli VT 15 1353 28973
Castel Viscardo TR 15 2938 31911
Latera VT 16 836 32747
Abbadia San Salvatore SI 17 6444 39191
Fabro TR 18 2876 42067
Bolsena VT 20 3991 46058
Pitigliano GR 20 3818 49876

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km NW of Viterbo (67173 inhabitants)
58 Km E of Grosseto (82087 inhabitants)
59 Km SW of Perugia (166134 inhabitants)
71 Km W of Terni (111501 inhabitants)
73 Km SE of Siena (53903 inhabitants)
75 Km W of Foligno (57155 inhabitants)
76 Km N of Civitavecchia (52991 inhabitants)
77 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
Reviewed
Rev100
ML 0.7 2020-06-23
23:57:08
42.77 11.82 10 2020-06-24
14:57:37
Sala Sismica INGV-Roma 80471671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-23 23:57:08 ± 0.06
Latitude 42.77 ± 0.00
Longitude 11.82 ± 0.00
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 80471671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 410
Semi-minor axis of confidence ellipse (meter) 168
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 350
Circular confidence region, given by single value of horizontal uncertainty (meter) 410
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.09803
Epicentral distance of station farthest from the epicenter (degree) 0.268
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 80471671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-24 14:57:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ARCI.HHZ. 2020-06-23T23:57:19.42 0.6 undecidable manual S 287 0.268 50 -0.06 48
IV.MGAB.HHZ. 2020-06-23T23:57:18.95 0.6 undecidable manual S 56 0.2518 50 -0.07 48
TV.SF01.EHZ. 2020-06-23T23:57:16.85 0.3 undecidable manual S 281 0.1961 114 -0.25 70
IV.LATE.HHZ. 2020-06-23T23:57:16.04 0.6 undecidable manual S 186 0.1601 119 0.15 48
IV.ARCI.HHZ. 2020-06-23T23:57:15.02 0.3 undecidable manual P 287 0.268 50 0.05 72
TV.SF14.HHZ. 2020-06-23T23:57:15.46 0.3 undecidable manual S 263 0.1556 120 -0.25 71
TV.SF13.HHZ. 2020-06-23T23:57:15.60 0.6 undecidable manual S 287 0.1574 119 -0.17 48
TV.SF04.EHZ. 2020-06-23T23:57:15.07 0.6 undecidable manual S 297 0.1358 123 0 50
TV.SF11.HHZ. 2020-06-23T23:57:15.41 0.6 undecidable manual S 312 0.143 122 0.1 49
TV.SF03.EHZ. 2020-06-23T23:57:14.09 0.6 undecidable manual S 286 0.1061 130 -0.06 49
IV.MGAB.HHZ. 2020-06-23T23:57:14.47 0.3 undecidable manual P 56 0.2518 50 -0.24 70
IV.SACS.HHZ. 2020-06-23T23:57:13.80 0.3 undecidable manual S 39 0.098 132 -0.11 74
TV.SF01.EHZ. 2020-06-23T23:57:13.86 0.3 undecidable manual P 281 0.1961 114 0.26 70
IV.MCIV.CHZ. 2020-06-23T23:57:13.94 0.3 undecidable manual S 273 0.1088 129 -0.3 71
TV.SF04.EHZ. 2020-06-23T23:57:12.60 0.1 undecidable manual P 297 0.1358 123 0.17 96
TV.SF11.HHZ. 2020-06-23T23:57:12.85 0.3 undecidable manual P 312 0.143 122 0.28 70
IV.LATE.HHZ. 2020-06-23T23:57:12.80 0.3 undecidable manual P 186 0.1601 119 -0.1 73
TV.SF14.HHZ. 2020-06-23T23:57:12.82 0.1 negative manual P 263 0.1556 120 0.02 99
IV.MCIV.CHZ. 2020-06-23T23:57:12.05 0.1 negative manual P 273 0.1088 129 0.1 98
TV.SF03.EHZ. 2020-06-23T23:57:12.10 0.3 undecidable manual P 286 0.1061 130 0.2 72
TV.SF13.HHZ. 2020-06-23T23:57:12.99 0.1 negative manual P 287 0.1574 119 0.16 96
IV.SACS.HHZ. 2020-06-23T23:57:11.74 0.1 positive manual P 39 0.098 132 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCIV.CHN. ML:0.6 4.9E-5 0.96 AML other m 2020-06-23T23:57:14.03
IV.SACS.HHE. ML:0.7 5.57E-5 0.28 AML other m 2020-06-23T23:57:14.11
IV.SACS.HHN. ML:0.6 4.665E-5 0.8 AML other m 2020-06-23T23:57:15.55
IV.MCIV.CHE. ML:0.6 5.11E-5 0.24 AML other m 2020-06-23T23:57:18.48
IV.MGAB.HHN. ML:0.7 2.42E-5 1.18 AML other m 2020-06-23T23:57:20.37
IV.MGAB.HHE. ML:0.8 2.935E-5 0.92 AML other m 2020-06-23T23:57:20.02
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