Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 13-09-2021 and time 11:25:08 (Italy) in region 4 km W Fiuminata (MC)

A magnitude ML 0.9 earthquake occured in region: 4 km W Fiuminata (MC), on

  • 13-09-2021 09:25:08 (UTC)
  • 13-09-2021 11:25:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1960, 12.8850 at 10 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
Fiuminata MC 4 1402 1402
Sefro MC 8 422 1824
Esanatoglia MC 8 2034 3858
Pioraco MC 8 1134 4992
Gualdo Tadino PG 9 15208 20200
Nocera Umbra PG 12 5839 26039
Matelica MC 12 9981 36020
Castelraimondo MC 14 4587 40607
Serravalle di Chienti MC 15 1070 41677
Fossato di Vico PG 15 2840 44517
Gagliole MC 16 620 45137
Fabriano AN 16 31480 76617
Cerreto d'Esi AN 16 3817 80434
Camerino MC 16 6974 87408
Muccia MC 18 915 88323
Valtopina PG 18 1398 89721
Sigillo PG 19 2404 92125

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of Foligno (57155 inhabitants)
41 Km E of Perugia (166134 inhabitants)
70 Km SW of Ancona (100861 inhabitants)
73 Km S of Fano (60888 inhabitants)
73 Km N of Terni (111501 inhabitants)
80 Km S of Pesaro (94582 inhabitants)
86 Km E of Arezzo (99543 inhabitants)
90 Km NW of Teramo (54892 inhabitants)
100 Km S of Rimini (147750 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 0.9 2021-09-13
09:25:08		 43.1963 12.8848 10 2021-09-13
09:37:22		 Sala Sismica INGV-Roma 95375681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-13 09:25:08 ± 0.04
Latitude 43.1963 ± 0.0027
Longitude 12.8848 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95375681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 202
Semi-minor axis of confidence ellipse (meter) 180
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 140
Circular confidence region, given by single value of horizontal uncertainty (meter) 200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27070
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 95375681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-13 09:37:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2021-09-13T09:25:18.55 0.6 undecidable manual S 114 28.3494 50 0.18 47
IV.ASSB.HHZ. 2021-09-13T09:25:17.71 0.6 undecidable manual S 227 25.0527 112 0.26 47
IV.EL6.EHZ. 2021-09-13T09:25:16.74 0.3 undecidable manual S 50 22.8549 114 -0.04 73
IV.FRON.EHZ. 2021-09-13T09:25:15.73 3.0 undecidable manual P 1.89 0
IV.ATCC.EHZ. 2021-09-13T09:25:15.84 0.6 undecidable manual S 267 19.869 117 0.02 49
IV.CESI.HHN. 2021-09-13T09:25:15.98 0.6 undecidable manual S 176 21.2676 115 -0.28 47
IV.MURB.HHZ. 2021-09-13T09:25:14.23 0.3 undecidable manual P 284 30.0477 50 -0.06 72
IV.EL6.EHZ. 2021-09-13T09:25:13.04 0.1 undecidable manual P 50 22.8549 114 -0.07 97
IV.MML1.EHZ. 2021-09-13T09:25:13.56 0.6 undecidable manual S 143 11.5773 131 0.15 49
IV.CSP1.EHZ. 2021-09-13T09:25:13.96 0.6 negative manual P 114 28.3494 50 -0.07 48
IV.FDMO.HHZ. 2021-09-13T09:25:13.24 0.6 undecidable manual P 137 24.1536 113 -0.1 48
IV.ASSB.HHZ. 2021-09-13T09:25:13.35 0.3 negative manual P 227 25.0527 112 -0.15 72
IV.CESI.HHN. 2021-09-13T09:25:12.76 0.1 undecidable manual P 176 21.2676 115 -0.05 98
IV.SNTG.HHE. 2021-09-13T09:25:12.50 0.6 undecidable manual S 35 7.881 142 -0.03 50
IV.ATCC.EHZ. 2021-09-13T09:25:12.57 0.1 undecidable manual P 267 19.869 117 0.01 99
IV.FIU1.HNE. 2021-09-13T09:25:11.68 0.6 undecidable manual S 103 3.8961 159 -0.14 49
IV.MML1.EHZ. 2021-09-13T09:25:11.34 0.6 negative manual P 143 11.5773 131 0.17 49
IV.SNTG.HHE. 2021-09-13T09:25:10.72 0.1 undecidable manual P 35 7.881 142 0.06 100
IV.FIU1.HNE. 2021-09-13T09:25:10.38 0.1 undecidable manual P 103 3.8961 159 0.13 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHE. ML:0.9 0.00009429999999999999 0.76 AML other m 2021-09-13T09:25:13.73
IV.MML1.EHN. ML:1.0 0.00010255 0.14 AML other m 2021-09-13T09:25:13.82
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