Earthquake with magnitude of ML 0.3 on date 03-09-2021 and time 04:05:52 (UTC) in region 6 km W Visso (MC)

A magnitude ML 0.3 earthquake occured in region: 6 km W Visso (MC), on

  • 03-09-2021 04:05:52 (UTC)
  • 03-09-2021 06:05:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9360, 13.0180 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Preci PG 7 724 1831
Monte Cavallo MC 7 145 1976
Sellano PG 9 1079 3055
Ussita MC 10 444 3499
Castelsantangelo sul Nera MC 12 281 3780
Pieve Torina MC 12 1458 5238
Fiordimonte MC 13 202 5440
Pievebovigliana MC 15 866 6306
Cerreto di Spoleto PG 15 1075 7381
Fiastra MC 16 559 7940
Serravalle di Chienti MC 16 1070 9010
Muccia MC 17 915 9925
Acquacanina MC 17 121 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)
86 Km SW of Ancona (100861 inhabitants)
94 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
Bulletin
Rev1000
ML 0.3 2021-09-03
04:05:52
42.9363 13.0175 11 2022-03-30
13:04:05
Bollettino Sismico Italiano INGV 95377521
Reviewed
Rev100
ML 0.3 2021-09-03
04:05:52
42.9348 13.0152 11 2021-09-03
04:15:33
Sala Sismica INGV-Roma 94983311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-03 04:05:52 ± 0.03
Latitude 42.9363 ± 0.0018
Longitude 13.0175 ± 0.0025
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95377521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 217
Semi-minor axis of confidence ellipse (meter) 153
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.05936
Epicentral distance of station farthest from the epicenter (degree) 0.25990
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 94983311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-03 04:15:33

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 95377521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-13 10:19:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.HNE. 2021-09-03T04:06:02.83 0.1 undecidable manual S 200 28.8489 90 0.03 96
IV.MMO1.EHZ. 2021-09-03T04:06:01.92 0.1 undecidable manual S 99 25.4523 90 0.03 98
IV.CSP1.EHZ. 2021-09-03T04:06:01.27 0.1 undecidable manual S 41 22.9548 90 0.04 98
IV.MML1.EHZ. 2021-09-03T04:06:00.26 0.1 undecidable manual S 349 19.9689 90 -0.17 94
IV.CESI.HHZ. 2021-09-03T04:05:58.30 0.6 undecidable manual S 310 11.877 108 0.02 50
IV.FDMO.HHZ. 2021-09-03T04:05:58.32 0.1 undecidable manual S 27 12.4764 104 -0.1 99
IV.NRCA.HHZ. 2021-09-03T04:05:58.74 0.1 undecidable manual S 145 13.875 92 -0.05 100
IV.GAVE.HNE. 2021-09-03T04:05:58.40 0.1 undecidable manual P 200 28.8489 90 -0.11 94
IV.MML1.EHZ. 2021-09-03T04:05:57.28 0.1 undecidable manual P 349 19.9689 90 0.14 97
IV.MMO1.EHZ. 2021-09-03T04:05:57.86 0.1 undecidable manual P 99 25.4523 90 -0.12 95
IV.CSP1.EHZ. 2021-09-03T04:05:57.66 0.1 undecidable manual P 41 22.9548 90 0.06 98
IT.MTCL.HGZ. 2021-09-03T04:05:57.03 0.6 undecidable manual S 347 6.5934 139 -0.08 50
IV.FDMO.HHZ. 2021-09-03T04:05:56.09 0.1 undecidable manual P 27 12.4764 104 0.11 97
IV.NRCA.HHZ. 2021-09-03T04:05:56.27 0.1 undecidable manual P 145 13.875 92 0.08 98
IT.MTCL.HGZ. 2021-09-03T04:05:55.25 0.1 undecidable manual P 347 6.5934 139 0.03 100
IV.CESI.HHZ. 2021-09-03T04:05:55.93 0.1 undecidable manual P 310 11.877 108 0.04 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.4 0.00002255 1.38 AML other m 2021-09-03T04:05:58.89
IV.CESI.HHN. ML:0.1 0.000014150705 0.1024 AML other m 2021-09-03T04:05:58.36
IV.CESI.HHE. ML:0.0 0.000011735476 0.0992 AML other m 2021-09-03T04:05:58.29
IV.FDMO.HHE. ML:0.3 0.00002235 0.86 AML other m 2021-09-03T04:05:59.54
IV.MML1.EHE. ML:0.4 0.000019751895 0.56 AML other m 2021-09-03T04:06:00.45
IV.MML1.EHN. ML:0.5 0.000026106310000000002 0.0416 AML other m 2021-09-03T04:06:01.57
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