Earthquake with magnitude of ML 0.6 on date 07-07-2021 and time 16:55:23 (Italy) in region 6 km W Visso (MC)

A magnitude ML 0.6 earthquake occured in region: 6 km W Visso (MC), on

  • 07-07-2021 14:55:23 (UTC)
  • 07-07-2021 16:55:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9410, 13.0210 at 12 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
Visso MC 6 1107 1107
Monte Cavallo MC 6 145 1252
Preci PG 7 724 1976
Sellano PG 9 1079 3055
Ussita MC 10 444 3499
Pieve Torina MC 12 1458 4957
Castelsantangelo sul Nera MC 12 281 5238
Fiordimonte MC 12 202 5440
Pievebovigliana MC 15 866 6306
Fiastra MC 15 559 6865
Serravalle di Chienti MC 16 1070 7935
Cerreto di Spoleto PG 16 1075 9010
Muccia MC 16 915 9925
Acquacanina MC 16 121 10046
Norcia PG 17 4957 15003
Bolognola MC 18 142 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
55 Km E of Perugia (166134 inhabitants)
64 Km W of Teramo (54892 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
95 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 0.6 2021-07-07
14:55:23
42.9407 13.0208 12 2021-07-07
15:11:08
Sala Sismica INGV-Roma 92364771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-07 14:55:23 ± 0.09
Latitude 42.9407 ± 0.0036
Longitude 13.0208 ± 0.0061
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 92364771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 361
Semi-minor axis of confidence ellipse (meter) 349
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 55
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22753
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 92364771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-07 15:11:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2021-07-07T14:55:47.12 3.0 undecidable manual P 0
IV.VVLD.HHZ. 2021-07-07T14:55:47.56 3.0 undecidable manual P 0.39 0
IV.ARRO.EHZ. 2021-07-07T14:55:33.16 3.0 undecidable manual S 0
IV.MNTP.HNZ. 2021-07-07T14:55:32.96 3.0 undecidable manual P 0.22 0
IV.MURB.HHZ. 2021-07-07T14:55:32.76 3.0 undecidable manual P 2.55 0
IV.MMO1.EHZ. 2021-07-07T14:55:32.57 0.3 undecidable manual S 100 25.2525 92 -0.17 71
IV.CSP1.EHZ. 2021-07-07T14:55:32.01 0.3 undecidable manual S 42 22.4553 93 0.02 73
IV.ARRO.EHZ. 2021-07-07T14:55:31.50 3.0 undecidable manual P -0.13 0
IV.MML1.EHZ. 2021-07-07T14:55:30.98 0.1 undecidable manual S 348 19.5693 94 -0.24 93
IV.NRCA.HNZ. 2021-07-07T14:55:29.40 0.3 undecidable manual S 147 14.0748 104 -0.38 69
IV.FDMO.HHZ. 2021-07-07T14:55:29.10 0.1 undecidable manual S 27 11.877 114 -0.12 97
IV.CESI.HHE. 2021-07-07T14:55:29.24 0.1 undecidable manual S 307 11.7771 114 0.04 99
IV.MC2.EHZ. 2021-07-07T14:55:29.83 0.1 undecidable manual S 103 14.0748 105 0.07 97
IV.MML1.EHZ. 2021-07-07T14:55:28.05 1.0 positive manual P 348 19.5693 94 0.08 24
IV.MMO1.EHZ. 2021-07-07T14:55:28.81 0.3 undecidable manual P 100 25.2525 92 -0.04 73
IV.CSP1.EHZ. 2021-07-07T14:55:28.50 0.1 undecidable manual P 42 22.4553 93 0.08 96
IV.NRCA.HNZ. 2021-07-07T14:55:27.18 0.1 undecidable manual P 147 14.0748 104 0.04 98
IT.MTCL.HGN. 2021-07-07T14:55:27.79 0.1 undecidable manual S 344 6.1938 143 -0.24 95
IV.CESI.HHE. 2021-07-07T14:55:27.05 0.1 undecidable manual P 307 11.7771 114 0.24 95
IV.MC2.EHZ. 2021-07-07T14:55:27.28 0.1 undecidable manual P 103 14.0748 105 0.15 96
IV.FEMA.HNN. 2021-07-07T14:55:27.66 0.1 undecidable manual S 45 3.3966 159 0 100
IT.MTCL.HGN. 2021-07-07T14:55:26.21 0.1 undecidable manual P 344 6.1938 143 0.08 99
IV.FEMA.HNN. 2021-07-07T14:55:26.12 0.1 undecidable manual P 45 3.3966 159 0.2 97
IV.FDMO.HHZ. 2021-07-07T14:55:26.92 1.0 undecidable manual P 27 11.877 114 0.1 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.7 0.000051500000000000005 0.22 AML other m 2021-07-07T14:55:29.29
IV.FDMO.HHE. ML:0.5 0.0000351 0.2 AML other m 2021-07-07T14:55:29.92
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