Earthquake with magnitude of ML 0.7 on date 20-11-2021 and time 20:45:57 (Italy) in region 2 km E Fiordimonte (MC)

A magnitude ML 0.7 earthquake occured in region: 2 km E Fiordimonte (MC), on

  • 20-11-2021 19:45:57 (UTC)
  • 20-11-2021 20:45:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0430, 13.1100 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.

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
Pievebovigliana MC 3 866 1068
Fiastra MC 4 559 1627
Pieve Torina MC 5 1458 3085
Acquacanina MC 6 121 3206
Muccia MC 7 915 4121
Monte Cavallo MC 10 145 4266
Camerino MC 11 6974 11240
Bolognola MC 11 142 11382
Ussita MC 11 444 11826
Visso MC 13 1107 12933
Serravalle di Chienti MC 13 1070 14003
Cessapalombo MC 14 512 14515
Caldarola MC 14 1823 16338
Sarnano MC 16 3264 19602
Camporotondo di Fiastrone MC 16 563 20165
Serrapetrona MC 16 966 21131
Castelsantangelo sul Nera MC 17 281 21412
Belforte del Chienti MC 17 1886 23298
Sefro MC 17 422 23720
Pioraco MC 18 1134 24854
San Ginesio MC 18 3498 28352
Gualdo MC 19 815 29167
Preci PG 19 724 29891
Castelraimondo MC 19 4587 34478

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
59 Km E of Perugia (166134 inhabitants)
65 Km NW of Teramo (54892 inhabitants)
65 Km NE of Terni (111501 inhabitants)
72 Km SW of Ancona (100861 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
89 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
Reviewed
Rev100
ML 0.7 2021-11-20
19:45:57
43.0428 13.1097 10 2021-11-20
19:58:38
Sala Sismica INGV-Roma 97638201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-20 19:45:57 ± 0.09
Latitude 43.0428 ± 0.0036
Longitude 13.1097 ± 0.0049
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97638201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 417
Semi-minor axis of confidence ellipse (meter) 172
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 310
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.01709
Epicentral distance of station farthest from the epicenter (degree) 0.28598
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 97638201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-20 19:58:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2021-11-20T19:46:08.81 0.6 undecidable manual S 359 31.746 50 -0.12 47
IV.GUMA.HHZ. 2021-11-20T19:46:05.22 0.6 undecidable manual S 83 18.3705 117 0.38 45
IV.NRCA.HNZ. 2021-11-20T19:46:05.65 0.6 undecidable manual S 179 23.2545 112 -0.7 41
IV.EL6.EHZ. 2021-11-20T19:46:04.03 1.0 positive manual P 359 31.746 50 -0.13 23
IV.MC2.EHZ. 2021-11-20T19:46:04.55 0.6 undecidable manual S 156 15.9729 121 0.46 45
IV.CESI.HHZ. 2021-11-20T19:46:04.46 0.6 undecidable manual S 256 17.1717 119 0.01 49
IV.MML1.EHZ. 2021-11-20T19:46:03.75 0.6 undecidable manual S 305 13.6752 125 0.33 46
IV.PF6.EHZ. 2021-11-20T19:46:03.02 0.6 undecidable manual S 33 12.5763 127 -0.09 49
IT.MTCL.HGZ. 2021-11-20T19:46:02.35 0.6 undecidable manual S 239 10.4784 132 -0.2 48
IV.NRCA.HNZ. 2021-11-20T19:46:02.59 0.1 undecidable manual P 179 23.2545 112 -0.08 96
IV.CSP1.EHZ. 2021-11-20T19:46:02.21 0.6 undecidable manual S 55 9.4794 135 -0.08 49
IV.FEMA.HNZ. 2021-11-20T19:46:02.66 0.6 undecidable manual S 209 10.1787 133 0.17 48
IV.CESI.HHZ. 2021-11-20T19:46:01.71 0.3 positive manual P 256 17.1717 119 0.14 72
IV.MML1.EHZ. 2021-11-20T19:46:01.14 0.6 positive manual P 305 13.6752 125 0.16 48
IV.GUMA.HHZ. 2021-11-20T19:46:01.77 0.1 undecidable manual P 83 18.3705 117 -0.02 98
IV.MC2.EHZ. 2021-11-20T19:46:01.38 1.0 positive manual P 156 15.9729 121 0.02 25
IT.MTCL.HGZ. 2021-11-20T19:46:00.40 0.1 undecidable manual P 239 10.4784 132 -0.08 98
IV.CSP1.EHZ. 2021-11-20T19:46:00.33 0.1 negative manual P 55 9.4794 135 0 100
IV.FEMA.HNZ. 2021-11-20T19:46:00.71 0.1 undecidable manual P 209 10.1787 133 0.28 94
IV.PF6.EHZ. 2021-11-20T19:46:00.67 0.1 undecidable manual P 33 12.5763 127 -0.13 97
IV.FDMO.HHZ. 2021-11-20T19:46:00.59 0.6 undecidable manual S 249 1.8981 168 -0.42 46
IV.FDMO.HHZ. 2021-11-20T19:45:59.31 1.0 undecidable manual P 249 1.8981 168 -0.28 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:1.0 0.00014998699999999997 0.128 AML other m 2021-11-20T19:46:02.33
IV.CSP1.EHE. ML:1.2 0.0002071287 0.1024 AML other m 2021-11-20T19:46:02.28
IV.MML1.EHN. ML:0.5 0.0000374 1.1 AML other m 2021-11-20T19:46:03.09
IV.MML1.EHE. ML:0.4 0.00002715 0.18 AML other m 2021-11-20T19:46:04.02
IV.CESI.HHN. ML:0.7 0.00003875 0.2 AML other m 2021-11-20T19:46:04.80
IV.CESI.HHE. ML:0.5 0.00003175 0.58 AML other m 2021-11-20T19:46:04.98
IV.FDMO.HHE. ML:0.0 0.000066535335 0.1152 AML other m 2021-11-20T19:46:01.29
IV.FDMO.HHN. ML:0.0 0.0001810807 0.1664 AML other m 2021-11-20T19:46:00.76
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