Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 19-11-2021 and time 17:51:52 (Italy) in region 2 km E Fiordimonte (MC)

A magnitude ML 1.2 earthquake occured in region: 2 km E Fiordimonte (MC), on

  • 19-11-2021 16:51:52 (UTC)
  • 19-11-2021 17:51:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0330, 13.1110 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
Fiordimonte MC 2 202 202
Fiastra MC 4 559 761
Pievebovigliana MC 4 866 1627
Pieve Torina MC 5 1458 3085
Acquacanina MC 5 121 3206
Muccia MC 8 915 4121
Monte Cavallo MC 10 145 4266
Ussita MC 10 444 4710
Bolognola MC 10 142 4852
Visso MC 11 1107 5959
Camerino MC 12 6974 12933
Serravalle di Chienti MC 14 1070 14003
Cessapalombo MC 15 512 14515
Caldarola MC 15 1823 16338
Sarnano MC 16 3264 19602
Castelsantangelo sul Nera MC 16 281 19883
Camporotondo di Fiastrone MC 17 563 20446
Serrapetrona MC 17 966 21412
Belforte del Chienti MC 18 1886 23298
Preci PG 18 724 24022
Sefro MC 18 422 24444
San Ginesio MC 19 3498 27942
Gualdo MC 19 815 28757
Pioraco MC 19 1134 29891

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
59 Km E of Perugia (166134 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
65 Km NE of Terni (111501 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
91 Km S of Fano (60888 inhabitants)
99 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
Reviewed
Rev100 		ML 1.2 2021-11-19
16:51:52		 43.033 13.1108 10 2021-11-19
16:56:18		 Sala Sismica INGV-Roma 97600141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-19 16:51:52 ± 0.04
Latitude 43.0330 ± 0.0027
Longitude 13.1108 ± 0.0037
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 97600141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 309
Semi-minor axis of confidence ellipse (meter) 187
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 15
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37592
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 97600141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-19 16:56:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2021-11-19T16:52:14.86 3.0 undecidable manual S -0.17 0
IV.PP3.EHZ. 2021-11-19T16:52:08.32 3.0 undecidable manual S -0.54 0
IV.GAVE.EHZ. 2021-11-19T16:52:06.35 0.6 undecidable manual S 205 41.7249 50 0.19 45
IV.ASSB.HHZ. 2021-11-19T16:52:04.77 0.6 undecidable manual S 272 36.6411 50 -0.05 47
IV.EL6.EHZ. 2021-11-19T16:52:03.60 0.6 undecidable manual S 359 32.8449 50 -0.21 46
IV.MF5.EHZ. 2021-11-19T16:52:02.96 0.6 undecidable manual S 100 28.749 50 0.26 46
IV.NRCA.HHZ. 2021-11-19T16:52:00.40 0.6 undecidable manual S 179 22.1556 113 -0.17 47
IV.MMO1.EHZ. 2021-11-19T16:52:00.44 0.6 undecidable manual S 130 22.9548 112 -0.4 45
IV.GAVE.EHZ. 2021-11-19T16:52:00.16 0.1 undecidable manual P 205 41.7249 50 -0.11 92
IV.ASSB.HHZ. 2021-11-19T16:51:59.31 0.1 positive manual P 272 36.6411 50 -0.19 91
IV.CESI.HHZ. 2021-11-19T16:51:59.30 0.6 undecidable manual S 260 16.9719 119 0.32 46
IV.GUMA.HHZ. 2021-11-19T16:51:59.73 0.6 undecidable manual S 80 18.4704 117 0.31 46
IV.MF5.EHZ. 2021-11-19T16:51:58.39 0.3 positive manual P 100 28.749 50 0.12 70
IV.MML1.EHZ. 2021-11-19T16:51:58.24 0.6 undecidable manual S 308 14.3745 123 0.04 49
IV.EL6.EHZ. 2021-11-19T16:51:58.64 1.0 undecidable manual P 359 32.8449 50 -0.27 23
IV.MC2.EHZ. 2021-11-19T16:51:58.48 0.6 undecidable manual S 155 14.874 122 0.14 48
IV.MMO1.EHZ. 2021-11-19T16:51:57.00 0.3 positive manual P 130 22.9548 112 -0.19 70
IV.CESI.HHZ. 2021-11-19T16:51:56.33 0.1 positive manual P 260 16.9719 119 0.21 94
IV.GUMA.HHZ. 2021-11-19T16:51:56.56 0.1 positive manual P 80 18.4704 117 0.18 94
IV.NRCA.HHZ. 2021-11-19T16:51:56.99 0.6 negative manual P 179 22.1556 113 -0.05 48
IV.MC2.EHZ. 2021-11-19T16:51:56.00 1.0 undecidable manual P 155 14.874 122 0.24 23
IV.CSP1.EHZ. 2021-11-19T16:51:56.85 0.6 undecidable manual S 49 9.9789 133 -0.15 48
IV.MML1.EHZ. 2021-11-19T16:51:55.76 0.3 positive manual P 308 14.3745 123 0.09 73
IV.FDMO.HHZ. 2021-11-19T16:51:55.25 0.6 undecidable manual S 282 1.998 168 -0.32 47
IV.FDMO.HHZ. 2021-11-19T16:51:54.12 0.1 undecidable manual P 282 1.998 168 -0.04 100
IV.CSP1.EHZ. 2021-11-19T16:51:54.96 0.1 positive manual P 49 9.9789 133 -0.02 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:1.9 0.0010605 1.28 AML other m 2021-11-19T16:51:56.32
IV.CSP1.EHE. ML:2.0 0.00131 0.1 AML other m 2021-11-19T16:51:56.97
IV.MML1.EHN. ML:1.3 0.00020800000000000001 0.34 AML other m 2021-11-19T16:51:58.45
IV.MML1.EHE. ML:1.1 0.000141 1.08 AML other m 2021-11-19T16:51:59.68
IV.MC2.EHE. ML:1.1 0.00012592999999999998 0.46 AML other m 2021-11-19T16:52:00.08
IV.NRCA.HHN. ML:1.1 0.00008810000000000001 1.42 AML other m 2021-11-19T16:52:00.03
IV.CESI.HHE. ML:0.9 0.0000696 1.12 AML other m 2021-11-19T16:52:01.14
IV.NRCA.HHE. ML:1.2 0.00010795 0.68 AML other m 2021-11-19T16:52:01.27
IV.CESI.HHN. ML:0.9 0.0000739 1.78 AML other m 2021-11-19T16:52:02.10
IV.MC2.EHN. ML:1.1 0.00013680000000000002 0.56 AML other m 2021-11-19T16:52:03.70
IV.ASSB.HHE. ML:1.1 0.0000449 1.3 AML other m 2021-11-19T16:52:06.15
IV.GAVE.EHN. ML:1.3 0.0000577 1 AML other m 2021-11-19T16:52:06.52
IV.GAVE.EHE. ML:1.2 0.000056099999999999995 0.16 AML other m 2021-11-19T16:52:07.11
IV.ASSB.HHN. ML:1.0 0.00003905 1.2 AML other m 2021-11-19T16:52:07.66
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