Earthquake with magnitude of ML 0.5 on date 12-11-2021 and time 01:05:21 (UTC) in region 5 km SW Monte Cavallo (MC)

A magnitude ML 0.5 earthquake occured in region: 5 km SW Monte Cavallo (MC), on

  • 12-11-2021 01:05:21 (UTC)
  • 12-11-2021 02:05:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9550, 12.9740 at 11 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
Monte Cavallo MC 5 145 145
Sellano PG 8 1079 1224
Visso MC 10 1107 2331
Preci PG 10 724 3055
Pieve Torina MC 12 1458 4513
Serravalle di Chienti MC 13 1070 5583
Fiordimonte MC 13 202 5785
Ussita MC 14 444 6229
Pievebovigliana MC 15 866 7095
Muccia MC 15 915 8010
Cerreto di Spoleto PG 16 1075 9085
Castelsantangelo sul Nera MC 16 281 9366
Fiastra MC 17 559 9925
Acquacanina MC 18 121 10046

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Foligno (57155 inhabitants)
51 Km E of Perugia (166134 inhabitants)
51 Km NE of Terni (111501 inhabitants)
68 Km W of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
99 Km S of Fano (60888 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 0.5 2021-11-12
01:05:21
42.9547 12.9743 11 2021-11-12
01:32:07
Sala Sismica INGV-Roma 97404741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-12 01:05:21 ± 0.11
Latitude 42.9547 ± 0.0054
Longitude 12.9743 ± 0.0098
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97404741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 794
Semi-minor axis of confidence ellipse (meter) 620
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 286
Circular confidence region, given by single value of horizontal uncertainty (meter) 790.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 19
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26890
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 97404741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-12 01:32:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CANO.HHZ. 2021-11-12T01:06:13.73 3.0 undecidable manual Pn 3.13 0
IV.MSSA.HHZ. 2021-11-12T01:06:05.40 3.0 negative manual Pg 4.57 0
IV.FIR.HHZ. 2021-11-12T01:05:43.80 3.0 undecidable manual Pg 0.57 0
IV.PF6.EHE. 2021-11-12T01:05:31.15 0.3 undecidable manual S 41 27.0507 50 -0.09 72
IV.MMO1.EHZ. 2021-11-12T01:05:31.64 0.6 undecidable manual S 102 29.2485 50 -0.2 47
IV.CSP1.EHZ. 2021-11-12T01:05:30.51 0.6 undecidable manual S 51 24.0537 50 0.06 48
IV.MC2.EHZ. 2021-11-12T01:05:29.04 0.1 undecidable manual S 105 18.0708 50 0.19 95
IV.NRCA.HHE. 2021-11-12T01:05:28.28 0.3 undecidable manual S 140 17.5713 50 -0.44 68
IV.MMO1.EHZ. 2021-11-12T01:05:27.53 1.0 positive manual P 102 29.2485 50 0.04 24
IV.FDMO.HHZ. 2021-11-12T01:05:27.25 0.6 undecidable manual S 45 12.876 131 -0.2 48
IV.GAVE.HNN. 2021-11-12T01:05:27.68 0.3 undecidable manual P 193 29.8479 50 0.1 71
IV.PF6.EHE. 2021-11-12T01:05:27.02 0.1 undecidable manual P 41 27.0507 50 -0.13 95
IV.CESI.HHZ. 2021-11-12T01:05:26.27 0.6 undecidable manual S 315 7.9809 144 -0.01 50
IV.MC2.EHZ. 2021-11-12T01:05:26.45 0.3 undecidable manual P 105 18.0708 50 0.68 62
IV.CSP1.EHZ. 2021-11-12T01:05:26.77 0.3 undecidable manual P 51 24.0537 50 0.08 72
IV.NRCA.HHE. 2021-11-12T01:05:25.43 0.1 undecidable manual P 140 17.5713 50 -0.26 94
IV.FEMA.HNE. 2021-11-12T01:05:25.84 0.6 undecidable manual S 82 6.1938 151 -0.11 49
IV.FDMO.HHZ. 2021-11-12T01:05:25.00 0.6 positive manual P 45 12.876 131 0.04 50
IT.MTCL.HGE. 2021-11-12T01:05:25.42 0.6 undecidable manual S 25 4.7952 157 -0.32 47
IV.CESI.HHZ. 2021-11-12T01:05:24.32 0.6 undecidable manual P 315 7.9809 144 0.03 50
IV.FEMA.HNE. 2021-11-12T01:05:24.52 0.1 undecidable manual P 82 6.1938 151 0.42 93
IT.MTCL.HGE. 2021-11-12T01:05:23.91 0.1 undecidable manual P 25 4.7952 157 -0.06 100
IV.ROM9.HNZ. 2021-11-12T01:05:18.99 3.0 undecidable manual P -0.13 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.5 0.0000300862 0.18 AML other m 2021-11-12T01:05:27.40
IV.FDMO.HHE. ML:0.5 0.000037199999999999996 0.34 AML other m 2021-11-12T01:05:27.38
IV.CESI.HNE. ML:0.9 0.00010859024999999999 0.4096 AML other m 2021-11-12T01:05:28.58
IV.CESI.HHE. ML:0.3 0.000025186085 0.1 AML other m 2021-11-12T01:05:26.28
IV.CESI.HHN. ML:0.3 0.00002656029 0.1 AML other m 2021-11-12T01:05:26.45
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