Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 03-04-2020 and time 01:14:20 (Italy) in region 7 km NE Lisciano Niccone (PG)

A magnitude ML 1.0 earthquake occured in region: 7 km NE Lisciano Niccone (PG), on

  • 02-04-2020 23:14:20 (UTC)
  • 03-04-2020 01:14:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3000, 12.1930 at 7 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Lisciano Niccone PG 7 613 613
Umbertide PG 11 16681 17294
Montone PG 13 1680 18974
Passignano sul Trasimeno PG 13 5746 24720
Tuoro sul Trasimeno PG 14 3780 28500
Monte Santa Maria Tiberina PG 16 1183 29683
Cortona AR 17 22450 52133
Magione PG 17 14865 66998
Città di Castello PG 18 39913 106911

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of Perugia (166134 inhabitants)
31 Km SE of Arezzo (99543 inhabitants)
56 Km NW of Foligno (57155 inhabitants)
70 Km E of Siena (53903 inhabitants)
89 Km SW of Pesaro (94582 inhabitants)
90 Km SW of Rimini (147750 inhabitants)
90 Km NW of Terni (111501 inhabitants)
90 Km SW of Fano (60888 inhabitants)
92 Km SE of Firenze (382808 inhabitants)
93 Km S of Cesena (96758 inhabitants)
96 Km SE of Scandicci (50609 inhabitants)
98 Km N of Viterbo (67173 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 1.0 2020-04-02
23:14:20		 43.2995 12.1927 7 2020-04-02
23:26:42		 Sala Sismica INGV-Roma 77804551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-02 23:14:20 ± 0.19
Latitude 43.2995 ± 0.0063
Longitude 12.1927 ± 0.0124
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77804551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 980
Semi-minor axis of confidence ellipse (meter) 500
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 229
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.06475
Epicentral distance of station farthest from the epicenter (degree) 0.35074
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 77804551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-02 23:26:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PARC.HHZ. 2020-04-02T23:14:33.51 0.6 undecidable manual S 5 38.9277 50 -0.85 38
IV.MURB.HHZ. 2020-04-02T23:14:30.47 0.6 undecidable manual S 98 27.1506 105 0.09 49
IV.PARC.HHZ. 2020-04-02T23:14:28.73 0.6 undecidable manual P 5 38.9277 50 0.16 47
IV.ATMC.EHE. 2020-04-02T23:14:27.04 0.6 undecidable manual S 0 16.3725 114 0.19 49
IV.ATLO.HNZ. 2020-04-02T23:14:27.02 0.6 undecidable manual S 84 17.3715 112 -0.16 49
IV.TB02.DHE.01 2020-04-02T23:14:27.88 0.3 undecidable manual S 66 19.1697 111 0.13 73
IV.MURB.HHZ. 2020-04-02T23:14:26.45 0.1 negative manual P 98 27.1506 105 0.19 95
IV.ATTE.HHZ. 2020-04-02T23:14:26.95 0.6 undecidable manual S 131 17.1717 113 -0.17 49
IV.ATMC.EHE. 2020-04-02T23:14:24.29 0.3 undecidable manual P 0 16.3725 114 0.06 75
IV.ATLO.HNZ. 2020-04-02T23:14:24.75 0.1 undecidable manual P 84 17.3715 112 0.33 94
IV.ATTE.HHZ. 2020-04-02T23:14:24.36 0.6 undecidable manual P 131 17.1717 113 -0.03 50
IV.ATVO.HHN. 2020-04-02T23:14:24.90 0.1 undecidable manual P 62 19.5693 110 0.08 99
IV.TB02.DHE.01 2020-04-02T23:14:24.95 0.6 undecidable manual P 66 19.1697 111 0.2 48
IV.ATMI.HHZ. 2020-04-02T23:14:23.71 0.6 undecidable manual S 58 7.1928 135 -0.47 47
IV.ATVA.EHZ. 2020-04-02T23:14:23.89 0.6 undecidable manual S 107 7.881 132 -0.45 47
IV.ATVA.EHZ. 2020-04-02T23:14:22.66 0.1 undecidable manual P 107 7.881 132 -0.12 100
IV.ATMI.HHZ. 2020-04-02T23:14:22.68 0.3 undecidable manual P 58 7.1928 135 -0.01 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HNN. ML:2.3 0.0010476823499999998 1.2288 AML other m 2020-04-02T23:14:34.09
IV.ATMI.HHE. ML:1.1 0.00022397265 0.2048 AML other m 2020-04-02T23:14:23.95
IV.ATTE.HHE. ML:0.2 0.000017111329000000003 0.9216 AML other m 2020-04-02T23:14:30.52
IV.ATTE.HHN. ML:0.3 0.00001985016 1.3952 AML other m 2020-04-02T23:14:29.67
IV.MURB.HHN. ML:1.0 0.0000563162 0.192 AML other m 2020-04-02T23:14:30.84
IV.MURB.HNE. ML:1.3 0.00013405061500000001 3.008 AML other m 2020-04-02T23:14:48.38
IV.MURB.HHE. ML:0.8 0.00003603687 0.2944 AML other m 2020-04-02T23:14:30.85
IV.ATMI.HHN. ML:1.2 0.0003278858 2.3424 AML other m 2020-04-02T23:14:23.85
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