Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 08-11-2021 and time 02:51:18 (UTC) in region 1 km E Fiordimonte (MC)

A magnitude ML 0.9 earthquake occured in region: 1 km E Fiordimonte (MC), on

  • 08-11-2021 02:51:18 (UTC)
  • 08-11-2021 03:51:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0360, 13.0980 at 10 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.

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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
Fiordimonte MC 1 202 202
Pievebovigliana MC 3 866 1068
Pieve Torina MC 4 1458 2526
Fiastra MC 5 559 3085
Acquacanina MC 6 121 3206
Muccia MC 7 915 4121
Monte Cavallo MC 9 145 4266
Ussita MC 11 444 4710
Camerino MC 11 6974 11684
Bolognola MC 12 142 11826
Visso MC 12 1107 12933
Serravalle di Chienti MC 12 1070 14003
Cessapalombo MC 16 512 14515
Caldarola MC 16 1823 16338
Castelsantangelo sul Nera MC 16 281 16619
Sarnano MC 17 3264 19883
Sefro MC 17 422 20305
Serrapetrona MC 17 966 21271
Camporotondo di Fiastrone MC 17 563 21834
Preci PG 18 724 22558
Belforte del Chienti MC 18 1886 24444
Pioraco MC 18 1134 25578
San Ginesio MC 20 3498 29076
Castelraimondo MC 20 4587 33663
Gualdo MC 20 815 34478

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
58 Km E of Perugia (166134 inhabitants)
64 Km NE of Terni (111501 inhabitants)
65 Km NW of Teramo (54892 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
90 Km S of Fano (60888 inhabitants)
98 Km S of Pesaro (94582 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 0.9 2021-11-08
02:51:18		 43.0363 13.0978 10 2022-03-30
13:04:15		 Bollettino Sismico Italiano INGV 97360781
Reviewed
Rev100 		ML 0.8 2021-11-08
02:51:18		 43.0377 13.0967 10 2021-11-08
02:53:47		 Sala Sismica INGV-Roma 97332301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-08 02:51:18 ± 0.06
Latitude 43.0363 ± 0.0027
Longitude 13.0978 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97360781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 339
Semi-minor axis of confidence ellipse (meter) 247
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 88
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00809
Epicentral distance of station farthest from the epicenter (degree) 0.29318
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 97360781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-09 10:13:00

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 97332301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-08 02:53:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2021-11-08T02:51:30.09 0.1 undecidable manual S 1 32.5452 50 -0.08 94
IV.SNTG.HHZ. 2021-11-08T02:51:29.09 0.1 undecidable manual S 332 27.3504 50 0.28 91
IV.MMO1.EHZ. 2021-11-08T02:51:27.47 0.1 undecidable manual S 129 24.0537 112 -0.29 91
IV.NRCA.HHZ. 2021-11-08T02:51:26.98 0.1 undecidable manual S 177 22.5552 114 -0.31 91
IV.CESI.HHZ. 2021-11-08T02:51:25.38 0.1 undecidable manual S 258 16.0728 121 0.09 97
IV.EL6.EHZ. 2021-11-08T02:51:25.19 0.1 undecidable manual P 1 32.5452 50 -0.16 93
IV.MC2.EHZ. 2021-11-08T02:51:25.58 0.1 undecidable manual S 152 15.6732 122 0.39 91
IV.CSP1.EHZ. 2021-11-08T02:51:24.01 0.1 undecidable manual S 55 10.6782 133 0.22 95
IV.PF6.EHN. 2021-11-08T02:51:24.47 0.1 undecidable manual S 35 13.6752 126 -0.14 96
IV.MML1.EHZ. 2021-11-08T02:51:24.43 0.1 undecidable manual S 310 13.3755 126 -0.08 97
IV.SNTG.HHZ. 2021-11-08T02:51:24.27 0.1 undecidable manual P 332 27.3504 50 -0.29 91
IV.NRCA.HHZ. 2021-11-08T02:51:23.53 0.1 undecidable manual P 177 22.5552 114 -0.16 94
IV.GUMA.HNN. 2021-11-08T02:51:23.34 0.1 undecidable manual P 81 19.4694 117 0.21 94
IV.FEMA.HNE. 2021-11-08T02:51:23.60 0.1 undecidable manual S 205 9.0798 137 0.19 96
IV.MMO1.EHZ. 2021-11-08T02:51:23.78 0.1 undecidable manual P 129 24.0537 112 -0.18 94
IT.MTCL.HGZ. 2021-11-08T02:51:23.23 0.1 undecidable manual S 239 9.2796 137 -0.22 95
IV.MC2.EHZ. 2021-11-08T02:51:22.62 0.1 undecidable manual P 152 15.6732 122 0.15 96
IV.CESI.HHZ. 2021-11-08T02:51:22.64 0.1 undecidable manual P 258 16.0728 121 0.11 96
IV.PF6.EHN. 2021-11-08T02:51:22.17 0.1 undecidable manual P 35 13.6752 126 0.03 98
IV.MML1.EHZ. 2021-11-08T02:51:22.14 0.1 undecidable manual P 310 13.3755 126 0.06 98
IV.FEMA.HNE. 2021-11-08T02:51:22.01 0.3 undecidable manual P 205 9.0798 137 0.56 66
IV.FDMO.HHZ. 2021-11-08T02:51:21.81 0.1 undecidable manual S 271 0.8991 175 -0.37 93
IT.MTCL.HGZ. 2021-11-08T02:51:21.51 0.1 undecidable manual P 239 9.2796 137 0.04 99
IV.CSP1.EHZ. 2021-11-08T02:51:21.81 0.1 positive manual P 55 10.6782 133 0.15 96
IV.FDMO.HHZ. 2021-11-08T02:51:20.69 0.1 undecidable manual P 271 0.8991 175 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:0.9 0.00007795 0.18 AML other m 2021-11-08T02:51:24.61
IV.MML1.EHE. ML:0.8 0.00006560000000000001 0.12 AML other m 2021-11-08T02:51:24.70
IV.CSP1.EHE. ML:0.9 0.000089473095 2.6192 AML other m 2021-11-08T02:51:22.98
IV.CSP1.EHN. ML:0.8 0.00008106967 0.08 AML other m 2021-11-08T02:51:24.58
IV.MML1.HNE. ML:1.0 0.00010322494 0.5904 AML other m 2021-11-08T02:51:24.70
IV.CESI.HHE. ML:0.4 0.000022904355 0.32 AML other m 2021-11-08T02:51:25.60
IV.CESI.HHN. ML:0.4 0.000024290680000000003 0.2208 AML other m 2021-11-08T02:51:25.59
IV.CESI.HNN. ML:1.2 0.00013280425000000002 1.1296 AML other m 2021-11-08T02:51:26.16
IV.NRCA.HHN. ML:0.8 0.00004125521999999999 0.1408 AML other m 2021-11-08T02:51:28.18
IV.NRCA.HNE. ML:1.4 0.00015164149999999997 1.4288 AML other m 2021-11-08T02:51:27.32
IV.NRCA.HNN. ML:1.4 0.0001751013 0.84 AML other m 2021-11-08T02:51:29.53
IV.NRCA.HHE. ML:0.7 0.0000358057 0.1392 AML other m 2021-11-08T02:51:27.39
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