Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 14-01-2021 and time 13:00:36 (Italy) in region 4 km SE Monte Cavallo (MC)

A magnitude ML 1.4 earthquake occured in region: 4 km SE Monte Cavallo (MC), on

  • 14-01-2021 12:00:36 (UTC)
  • 14-01-2021 13:00:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9670, 13.0420 at 9 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
Monte Cavallo MC 5 145 145
Visso MC 6 1107 1252
Ussita MC 8 444 1696
Fiordimonte MC 9 202 1898
Pieve Torina MC 9 1458 3356
Preci PG 10 724 4080
Pievebovigliana MC 11 866 4946
Castelsantangelo sul Nera MC 12 281 5227
Fiastra MC 12 559 5786
Sellano PG 13 1079 6865
Muccia MC 13 915 7780
Acquacanina MC 13 121 7901
Serravalle di Chienti MC 14 1070 8971
Bolognola MC 16 142 9113
Camerino MC 19 6974 16087
Cerreto di Spoleto PG 19 1075 17162
Norcia PG 20 4957 22119

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
55 Km E of Perugia (166134 inhabitants)
55 Km NE of Terni (111501 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
98 Km S of Fano (60888 inhabitants)
98 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 1.4 2021-01-14
12:00:36		 42.9668 13.0418 9 2021-01-14
12:09:41		 Sala Sismica INGV-Roma 86244771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-14 12:00:36 ± 0.09
Latitude 42.9668 ± 0.0054
Longitude 13.0418 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86244771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 567
Semi-minor axis of confidence ellipse (meter) 244
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 27
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38221
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 86244771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-14 12:09:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HNZ. 2021-01-14T12:00:50.82 0.3 undecidable manual S 245 42.4242 50 -0.25 67
IV.MOMA.HNZ. 2021-01-14T12:00:45.51 0.3 undecidable manual P 245 42.4242 50 0.46 64
IV.MMO1.EHZ. 2021-01-14T12:00:45.58 0.3 undecidable manual S 108 24.3534 110 -0.25 69
IV.CSP1.EHZ. 2021-01-14T12:00:43.90 3.0 undecidable manual S 0
IV.NRCA.HHZ. 2021-01-14T12:00:43.19 0.3 undecidable manual S 158 15.873 119 0.02 74
IV.MMO1.EHZ. 2021-01-14T12:00:42.01 0.1 undecidable manual P 108 24.3534 110 -0.01 97
IV.CESI.HHZ. 2021-01-14T12:00:41.90 0.3 undecidable manual S 291 11.877 127 -0.11 73
IV.FDMO.HHZ. 2021-01-14T12:00:41.12 0.3 undecidable manual S 25 8.5803 136 -0.01 75
IT.MTCL.HGZ. 2021-01-14T12:00:40.33 0.3 undecidable manual S 311 4.5954 153 0 75
IV.NRCA.HHZ. 2021-01-14T12:00:40.35 0.1 undecidable manual P 158 15.873 119 -0.14 96
IV.MC2.EHZ. 2021-01-14T12:00:40.22 0.1 undecidable manual P 117 13.4754 124 0.15 96
IV.FDMO.HHZ. 2021-01-14T12:00:39.29 0.1 undecidable manual P 25 8.5803 136 -0.02 99
IV.CESI.HHZ. 2021-01-14T12:00:39.69 0.1 undecidable manual P 291 11.877 127 -0.13 97
IV.FEMA.HNZ. 2021-01-14T12:00:38.94 0.1 undecidable manual P 130 0.7992 175 0.31 95
IV.CSP1.EHZ. 2021-01-14T12:00:38.70 3.0 undecidable manual P -2.26 0
IT.MTCL.HGZ. 2021-01-14T12:00:38.82 0.1 undecidable manual P 311 4.5954 153 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.4 0.000373 0.4 AML other m 2021-01-14T12:00:41.41
IV.FDMO.HHN. ML:1.4 0.00034750000000000004 0.12 AML other m 2021-01-14T12:00:41.30
IV.CESI.HHE. ML:1.1 0.00014450000000000002 1.82 AML other m 2021-01-14T12:00:41.92
IV.CESI.HHN. ML:1.2 0.00020700000000000002 0.12 AML other m 2021-01-14T12:00:42.04
IV.NRCA.HHN. ML:1.7 0.000456 0.1 AML other m 2021-01-14T12:00:43.30
IV.NRCA.HHE. ML:1.5 0.0002855 0.18 AML other m 2021-01-14T12:00:43.37
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