Earthquake with magnitude of ML 1.2 on date 07-12-2021 and time 23:18:12 (UTC) in region 3 km N Monte Cavallo (MC)

A magnitude ML 1.2 earthquake occured in region: 3 km N Monte Cavallo (MC), on

  • 07-12-2021 23:18:12 (UTC)
  • 08-12-2021 00:18:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0220, 13.0020 at 14 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 3 145 145
Pieve Torina MC 5 1458 1603
Serravalle di Chienti MC 7 1070 2673
Fiordimonte MC 7 202 2875
Muccia MC 8 915 3790
Pievebovigliana MC 8 866 4656
Visso MC 12 1107 5763
Fiastra MC 13 559 6322
Camerino MC 14 6974 13296
Ussita MC 14 444 13740
Acquacanina MC 14 121 13861
Sefro MC 15 422 14283
Sellano PG 16 1079 15362
Preci PG 16 724 16086
Pioraco MC 18 1134 17220
Bolognola MC 19 142 17362
Castelsantangelo sul Nera MC 19 281 17643
Fiuminata MC 20 1402 19045
Nocera Umbra PG 20 5839 24884

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
51 Km E of Perugia (166134 inhabitants)
59 Km NE of Terni (111501 inhabitants)
70 Km NW of Teramo (54892 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
91 Km S of Fano (60888 inhabitants)
99 Km S of Pesaro (94582 inhabitants)
99 Km NE of Viterbo (67173 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 2021-12-07
23:18:12
43.0222 13.0023 14 2021-12-07
23:24:45
Sala Sismica INGV-Roma 98259241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-07 23:18:12 ± 0.07
Latitude 43.0222 ± 0.0045
Longitude 13.0023 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 98259241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 519
Semi-minor axis of confidence ellipse (meter) 34
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 31
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.31566
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:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 98259241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-07 23:24:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2021-12-07T23:18:23.14 0.1 undecidable manual S 117 29.6481 99 -0.28 93
IV.ASSB.HHZ. 2021-12-07T23:18:22.91 0.1 undecidable manual S 275 27.9498 100 -0.06 99
IV.SNTG.HHZ. 2021-12-07T23:18:22.31 0.1 undecidable manual S 349 26.3514 101 -0.22 96
IV.NRCA.HHZ. 2021-12-07T23:18:21.46 0.1 undecidable manual S 156 22.755 104 -0.16 97
IV.CSP1.EHZ. 2021-12-07T23:18:20.71 0.1 undecidable manual S 65 18.1707 111 0.28 96
IV.MC2.EHZ. 2021-12-07T23:18:20.98 0.1 undecidable manual S 129 19.4694 108 0.2 97
IV.EL6.EHZ. 2021-12-07T23:18:20.05 1.0 undecidable manual P 13 35.0427 97 0.22 24
IV.MMO1.EHZ. 2021-12-07T23:18:19.03 0.6 positive manual P 117 29.6481 99 0.02 50
IV.ATCC.EHZ. 2021-12-07T23:18:19.92 0.6 undecidable manual P 302 34.4433 97 0.17 47
IV.SNTG.HHZ. 2021-12-07T23:18:18.58 0.6 positive manual P 349 26.3514 101 0.08 49
IV.ASSB.HHZ. 2021-12-07T23:18:18.75 0.3 positive manual P 275 27.9498 100 0 74
IV.CESI.HHZ. 2021-12-07T23:18:18.31 0.1 undecidable manual S 256 8.1807 141 0.06 100
IV.MML1.EHZ. 2021-12-07T23:18:18.47 0.1 undecidable manual S 346 10.4784 132 -0.2 100
IV.FDMO.HHZ. 2021-12-07T23:18:17.87 0.1 undecidable manual S 77 7.0929 146 -0.22 99
IV.CSP1.EHZ. 2021-12-07T23:18:17.45 0.3 positive manual P 65 18.1707 111 0.16 74
IV.MC2.EHZ. 2021-12-07T23:18:17.59 1.0 undecidable manual P 129 19.4694 108 0.11 25
IV.NRCA.HHZ. 2021-12-07T23:18:17.97 1.0 undecidable manual P 156 22.755 104 -0.01 25
IV.MML1.EHZ. 2021-12-07T23:18:16.40 0.3 negative manual P 346 10.4784 132 0.13 75
IV.CESI.HHZ. 2021-12-07T23:18:16.14 1.0 undecidable manual P 256 8.1807 141 0.11 25
IV.FDMO.HHZ. 2021-12-07T23:18:15.95 1.0 undecidable manual P 77 7.0929 146 0.02 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.0 0.0001271 0.2 AML other m 2021-12-07T23:18:17.99
IV.FDMO.HHN. ML:0.9 0.00009775 0.14 AML other m 2021-12-07T23:18:18.26
IV.CESI.HHE. ML:1.4 0.0002785 0.1 AML other m 2021-12-07T23:18:18.41
IV.CESI.HHN. ML:1.6 0.000425 0.1 AML other m 2021-12-07T23:18:18.37
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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