Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 02-03-2020 and time 14:54:23 (Italy) in region 1 km NW Visso (MC)

A magnitude ML 1.0 earthquake occured in region: 1 km NW Visso (MC), on

  • 02-03-2020 13:54:23 (UTC)
  • 02-03-2020 14:54:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9420, 13.0800 at 11 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
Visso MC 1 1107 1107
Ussita MC 5 444 1551
Preci PG 8 724 2275
Castelsantangelo sul Nera MC 8 281 2556
Monte Cavallo MC 9 145 2701
Fiordimonte MC 11 202 2903
Pieve Torina MC 12 1458 4361
Fiastra MC 12 559 4920
Acquacanina MC 13 121 5041
Bolognola MC 13 142 5183
Pievebovigliana MC 14 866 6049
Sellano PG 14 1079 7128
Muccia MC 16 915 8043
Norcia PG 17 4957 13000
Serravalle di Chienti MC 18 1070 14070
Cerreto di Spoleto PG 19 1075 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
55 Km NE of Terni (111501 inhabitants)
59 Km E of Perugia (166134 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
99 Km NE of Viterbo (67173 inhabitants)
99 Km W of Montesilvano (53738 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 2020-03-02
13:54:23		 42.9417 13.0803 11 2020-03-02
14:08:49		 Sala Sismica INGV-Roma 76978441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-02 13:54:23 ± 0.05
Latitude 42.9417 ± 0.0027
Longitude 13.0803 ± 0.0049
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76978441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 390
Semi-minor axis of confidence ellipse (meter) 290
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 240
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 18
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) 0.22213
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 76978441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-02 14:08:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2020-03-02T13:56:16.69 3.0 positive manual Pg 17.66 0
IV.IMI.HHZ. 2020-03-02T13:56:16.92 3.0 undecidable manual Sn 5.41 0
SI.KOSI.HHZ. 2020-03-02T13:56:08.29 3.0 undecidable manual Sn 1.99 0
IX.STN3.HHZ.02 2020-03-02T13:56:00.07 3.0 undecidable manual Sg 8.67 0
IX.STN3.HNZ.01 2020-03-02T13:55:56.65 3.0 undecidable manual Sg 5.25 0
IV.CROCE.HNZ. 2020-03-02T13:55:53.07 3.0 undecidable manual Pn -3.21 0
IV.IMI.HHZ. 2020-03-02T13:55:29.72 3.0 undecidable manual Pn 5.18 0
SI.KOSI.HHZ. 2020-03-02T13:55:23.95 3.0 negative manual Pn 2.34 0
IV.PTRJ.HNZ. 2020-03-02T13:55:23.55 3.0 undecidable manual Sg 0.77 0
IV.IMOL.HNZ. 2020-03-02T13:55:17.63 3.0 undecidable manual Sg 0.11 0
IV.SFI.EHZ. 2020-03-02T13:55:06.83 3.0 undecidable manual S -1.03 0
IV.MTMR.HNZ. 2020-03-02T13:55:04.52 3.0 negative manual Pn -0.45 0
IV.BARO.EHZ. 2020-03-02T13:54:46.18 3.0 undecidable manual P 0.77 0
IV.COR1.EHZ. 2020-03-02T13:54:43.94 3.0 undecidable manual S -4.82 0
IV.GUMA.HHZ. 2020-03-02T13:54:33.17 0.3 undecidable manual S 57 24.6531 90 0.26 69
IV.TERO.HHZ. 2020-03-02T13:54:32.00 3.0 undecidable manual P -3.05 0
IV.CSP1.EHZ. 2020-03-02T13:54:31.11 0.3 undecidable manual S 31 19.4694 90 -0.42 68
IV.MMO1.EHZ. 2020-03-02T13:54:31.46 0.3 undecidable manual S 103 20.5683 90 -0.36 69
IV.MML1.EHE. 2020-03-02T13:54:31.79 0.3 undecidable manual S 335 20.9679 90 -0.15 72
IV.CESI.HHZ. 2020-03-02T13:54:30.58 0.3 undecidable manual S 296 15.873 90 0 74
IV.MC2.EHZ. 2020-03-02T13:54:29.02 0.3 undecidable manual S 111 9.4794 123 0.09 73
IV.GUMA.HHZ. 2020-03-02T13:54:29.25 0.3 undecidable manual P 57 24.6531 90 0.16 71
IV.NRCA.HNZ. 2020-03-02T13:54:29.47 0.3 undecidable manual S 167 12.2766 105 -0.15 72
IV.MMO1.EHZ. 2020-03-02T13:54:28.41 0.3 undecidable manual P 103 20.5683 90 -0.05 73
IV.FEMA.HNZ. 2020-03-02T13:54:28.03 0.3 undecidable manual S 312 3.3966 158 0.14 74
IV.MML1.EHE. 2020-03-02T13:54:28.37 0.1 undecidable manual P 335 20.9679 90 -0.16 95
IV.CSP1.EHZ. 2020-03-02T13:54:28.50 0.3 undecidable manual P 31 19.4694 90 0.2 71
IT.MTCL.HGZ. 2020-03-02T13:54:28.60 0.3 undecidable manual S 311 8.7801 126 -0.18 72
IV.NRCA.HNZ. 2020-03-02T13:54:27.22 0.3 undecidable manual P 167 12.2766 105 0.03 75
IV.CESI.HHZ. 2020-03-02T13:54:27.83 0.1 positive manual P 296 15.873 90 0.08 98
IT.MTCL.HGZ. 2020-03-02T13:54:26.73 0.1 undecidable manual P 311 8.7801 126 0.02 100
IV.MC2.EHZ. 2020-03-02T13:54:26.91 0.1 negative manual P 111 9.4794 123 0.12 98
IV.FEMA.HNZ. 2020-03-02T13:54:26.42 0.3 undecidable manual P 312 3.3966 158 0.22 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.1 0.000106 0.08 AML other m 2020-03-02T13:54:30.81
IV.CESI.HHE. ML:1.0 0.0000809 0.26 AML other m 2020-03-02T13:54:30.80
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