Earthquake with magnitude of ML 0.4 on date 12-11-2021 and time 19:10:31 (UTC) in region 7 km SW Monte Cavallo (MC)

A magnitude ML 0.4 earthquake occured in region: 7 km SW Monte Cavallo (MC), on

  • 12-11-2021 19:10:31 (UTC)
  • 12-11-2021 20:10:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9600, 12.9310 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
Monte Cavallo MC 7 145 145
Sellano PG 8 1079 1224
Preci PG 13 724 1948
Serravalle di Chienti MC 13 1070 3018
Visso MC 13 1107 4125
Pieve Torina MC 14 1458 5583
Cerreto di Spoleto PG 16 1075 6658
Fiordimonte MC 16 202 6860
Muccia MC 17 915 7775
Pievebovigliana MC 17 866 8641
Ussita MC 17 444 9085
Trevi PG 17 8469 17554
Valtopina PG 18 1398 18952
Foligno PG 18 57155 76107
Castelsantangelo sul Nera MC 20 281 76388
Campello sul Clitunno PG 20 2442 78830

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Foligno (57155 inhabitants)
47 Km E of Perugia (166134 inhabitants)
50 Km NE of Terni (111501 inhabitants)
72 Km W of Teramo (54892 inhabitants)
78 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
90 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 0.4 2021-11-12
19:10:31
42.96 12.9307 10 2021-11-12
19:21:20
Sala Sismica INGV-Roma 97420981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-12 19:10:31 ± 0.07
Latitude 42.9600 ± 0.0036
Longitude 12.9307 ± 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 97420981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 401
Semi-minor axis of confidence ellipse (meter) 281
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 344
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 280
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24012
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 97420981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-12 19:21:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HHZ. 2021-11-12T19:11:37.03 3.0 positive manual Pn 3.64 0
IV.PIPA.HHZ. 2021-11-12T19:11:33.86 3.0 undecidable manual Pn -0.63 0
IV.MTRA.EHZ. 2021-11-12T19:11:21.01 3.0 undecidable manual Sg 8.94 0
IV.VIVA.HHZ. 2021-11-12T19:11:20.66 3.0 undecidable manual Sn -6.86 0
OT.OT17.EHZ. 2021-11-12T19:11:15.54 3.0 negative manual Pg 13.99 0
IV.GAVE.EHZ. 2021-11-12T19:11:09.70 3.0 undecidable manual Sn 1.58 0
IV.BSSO.HNZ. 2021-11-12T19:10:59.11 3.0 undecidable manual Pn 1.25 0
MN.TRI.HHZ. 2021-11-12T19:10:58.65 3.0 undecidable manual Sn 5.34 0
IV.VARE.HHZ. 2021-11-12T19:10:51.89 3.0 undecidable manual Sg 12.3 0
IV.RIBO.EHZ.01 2021-11-12T19:10:51.19 3.0 undecidable manual Sg 0.14 0
IV.VIVA.HHZ. 2021-11-12T19:10:48.89 3.0 positive manual Pn 2.98 0
IV.RCAV.EHZ. 2021-11-12T19:10:44.47 3.0 undecidable manual Pn -0.96 0
IV.CSP1.EHZ. 2021-11-12T19:10:41.61 0.3 undecidable manual S 57 26.6511 50 -0.01 72
IV.MML1.EHZ. 2021-11-12T19:10:38.86 0.3 undecidable manual S 11 17.3715 120 0.04 73
IV.FDMO.HHZ. 2021-11-12T19:10:38.15 0.3 undecidable manual S 56 15.2736 124 -0.06 73
IV.MTRA.EHZ. 2021-11-12T19:10:37.32 3.0 undecidable manual Pn 0.09 0
IV.CSP1.EHZ. 2021-11-12T19:10:37.44 0.6 undecidable manual P 57 26.6511 50 -0.05 48
IV.PP3.EHZ. 2021-11-12T19:10:36.10 3.0 undecidable manual Pn 3.52 0
IV.FDMO.HHZ. 2021-11-12T19:10:35.61 0.1 undecidable manual P 56 15.2736 124 0.09 97
IV.MML1.EHZ. 2021-11-12T19:10:35.87 0.1 undecidable manual P 11 17.3715 120 -0.01 98
IV.CESI.HHZ. 2021-11-12T19:10:35.78 0.3 undecidable manual S 337 5.3946 152 -0.05 74
IV.CESI.HHZ. 2021-11-12T19:10:34.16 0.1 undecidable manual P 337 5.3946 152 0 100
IV.EUCT.HNZ. 2021-11-12T19:10:30.20 3.0 undecidable manual Sn 1.83 0
IV.CPGN.EHZ. 2021-11-12T19:10:19.87 3.0 undecidable manual Pn 0.55 0
IV.FREG.EHZ. 2021-11-12T19:10:15.19 3.0 negative manual P -1.09 0
IV.MBAL.EHZ. 2021-11-12T19:10:14.64 3.0 undecidable manual Sg -0.83 0
IV.OSSC.HHZ. 2021-11-12T19:10:13.81 3.0 undecidable manual Pn -4.1 0
IV.BRSN.HNZ. 2021-11-12T19:10:10.12 3.0 positive manual Pn -2.83 0
IV.MILN.HNZ. 2021-11-12T19:10:09.06 3.0 positive manual Pn -3.62 0
GU.GRAM.HHZ. 2021-11-12T19:10:05.85 3.0 undecidable manual P -1.06 0
IV.BOZZ.HNZ. 2021-11-12T19:10:05.02 3.0 undecidable manual S 0.43 0
IV.ZEN8.EHZ. 2021-11-12T19:10:04.81 3.0 undecidable manual P 0.21 0
IV.MNTV.EHZ. 2021-11-12T19:10:02.68 3.0 undecidable manual S 0.31 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.4 0.000045710715 0.0512 AML other m 2021-11-12T19:10:35.91
IV.CESI.HHN. ML:0.4 0.0000474 0.06 AML other m 2021-11-12T19:10:35.99
IV.FDMO.HHE. ML:0.2 0.00001528641585 0.256 AML other m 2021-11-12T19:10:38.34
IV.FDMO.HHN. ML:0.0 0.000012436176 0.1024 AML other m 2021-11-12T19:10:38.27
IV.MML1.EHE. ML:0.8 0.000049604255 0.1792 AML other m 2021-11-12T19:10:39.17
IV.MML1.EHN. ML:0.4 0.000021298395 0.128 AML other m 2021-11-12T19:10:39.07
IV.CSP1.EHE. ML:0.3 0.000011765479999999998 0.0768 AML other m 2021-11-12T19:10:41.86
IV.CSP1.EHN. ML:0.4 0.000017062170000000002 0.1024 AML other m 2021-11-12T19:10:41.80
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download