Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.1 on date 10-07-2020 and time 01:43:52 (UTC) in region 3 km E Visso (MC)

A magnitude ML 0.1 earthquake occured in region: 3 km E Visso (MC), on

  • 10-07-2020 01:43:52 (UTC)
  • 10-07-2020 03:43:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9240, 13.1200 at 8 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 3 1107 1107
Ussita MC 3 444 1551
Castelsantangelo sul Nera MC 4 281 1832
Preci PG 8 724 2556
Bolognola MC 12 142 2698
Monte Cavallo MC 12 145 2843
Acquacanina MC 13 121 2964
Fiordimonte MC 13 202 3166
Fiastra MC 13 559 3725
Pieve Torina MC 15 1458 5183
Norcia PG 15 4957 10140
Pievebovigliana MC 16 866 11006
Sellano PG 16 1079 12085
Montemonaco AP 17 604 12689
Montefortino FM 18 1178 13867
Muccia MC 19 915 14782
Sarnano MC 19 3264 18046
Montegallo AP 20 523 18569

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
56 Km NE of Terni (111501 inhabitants)
56 Km NW of Teramo (54892 inhabitants)
63 Km E of Perugia (166134 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
96 Km W of Montesilvano (53738 inhabitants)
100 Km NE 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 0.1 2020-07-10
01:43:52		 42.9245 13.1197 8 2020-07-10
01:51:40		 Sala Sismica INGV-Roma 80916431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-10 01:43:52 ± 0.06
Latitude 42.9245 ± 0.0009
Longitude 13.1197 ± 0.0012
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 80916431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 139
Semi-minor axis of confidence ellipse (meter) 59
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 93
Circular confidence region, given by single value of horizontal uncertainty (meter) 140.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.03
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.17807
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 80916431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-10 01:51:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENA.HHZ. 2020-07-10T01:45:28.83 3.0 undecidable manual Sn -5.31 0
CR.STON.BHZ. 2020-07-10T01:45:18.70 3.0 undecidable manual Sn 2.54 0
MN.CLTB.HHZ. 2020-07-10T01:45:15.70 3.0 positive manual Pg 10.12 0
GU.BLANC.HHZ. 2020-07-10T01:45:12.20 3.0 undecidable manual Pn -1.17 0
IV.CGL.BHZ. 2020-07-10T01:45:08.44 3.0 undecidable manual Pg 9.67 0
IV.ORI.HHZ. 2020-07-10T01:44:38.90 3.0 undecidable manual Pn -3.54 0
IV.ROSPO.HHZ. 2020-07-10T01:44:23.75 3.0 undecidable manual S -5.08 0
IV.MNTT.EHZ. 2020-07-10T01:44:06.02 3.0 undecidable manual S 4.05 0
IV.ROSPO.HHZ. 2020-07-10T01:44:04.76 3.0 positive manual Pg -6.02 0
IV.CSP1.EHZ. 2020-07-10T01:43:59.70 0.6 undecidable manual S 20 19.7691 112 -0.03 49
IV.MMO1.EHZ. 2020-07-10T01:43:58.89 0.6 undecidable manual S 99 17.0718 115 0.03 49
IV.FDMO.HHZ. 2020-07-10T01:43:57.52 0.6 undecidable manual S 348 12.6762 122 0 50
IV.MNTT.EHZ. 2020-07-10T01:43:56.26 3.0 negative manual P 0.57 0
IV.NRCA.HHE. 2020-07-10T01:43:56.77 0.1 undecidable manual S 182 10.0788 128 -0.01 100
IV.CSP1.EHZ. 2020-07-10T01:43:56.57 0.6 undecidable manual P 20 19.7691 112 -0.04 49
IV.MMO1.EHZ. 2020-07-10T01:43:56.09 1.0 negative manual P 99 17.0718 115 -0.01 25
IV.FDMO.HHZ. 2020-07-10T01:43:55.40 0.6 positive manual P 348 12.6762 122 0.07 49
IV.MC2.EHZ. 2020-07-10T01:43:54.73 3.0 negative manual P -0.27 0
IV.NRCA.HHE. 2020-07-10T01:43:54.90 0.1 undecidable manual P 182 10.0788 128 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:-0.1 0.000011839215499999999 0.18 AML other m 2020-07-10T01:43:57.76
IV.FDMO.HHN. ML:-0.1 0.000008031324 0.14 AML other m 2020-07-10T01:43:57.90
IV.CSP1.EHE. ML:0.3 0.0000156444485 0.72 AML other m 2020-07-10T01:44:02.58
IV.CSP1.EHN. ML:0.3 0.000013281939999999998 0.84 AML other m 2020-07-10T01:44:08.76
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