Earthquake with magnitude of ML 1.2 on date 20-01-2021 and time 05:59:57 (UTC) in region 1 km NE Monte Cavallo (MC)

A magnitude ML 1.2 earthquake occured in region: 1 km NE Monte Cavallo (MC), on

  • 20-01-2021 05:59:57 (UTC)
  • 20-01-2021 06:59:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0050, 13.0080 at 7 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 1 145 145
Pieve Torina MC 6 1458 1603
Fiordimonte MC 8 202 1805
Serravalle di Chienti MC 9 1070 2875
Pievebovigliana MC 9 866 3741
Muccia MC 9 915 4656
Visso MC 11 1107 5763
Fiastra MC 13 559 6322
Ussita MC 13 444 6766
Acquacanina MC 14 121 6887
Preci PG 14 724 7611
Sellano PG 14 1079 8690
Camerino MC 15 6974 15664
Sefro MC 17 422 16086
Castelsantangelo sul Nera MC 17 281 16367
Bolognola MC 18 142 16509
Pioraco MC 20 1134 17643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
57 Km NE of Terni (111501 inhabitants)
69 Km NW of Teramo (54892 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
93 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 1.2 2021-01-20
05:59:57
43.0047 13.0082 7 2021-01-20
06:10:09
Sala Sismica INGV-Roma 86391521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-20 05:59:57 ± 0.15
Latitude 43.0047 ± 0.0045
Longitude 13.0082 ± 0.0037
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86391521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 481
Semi-minor axis of confidence ellipse (meter) 235
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 180
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33005
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 86391521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-20 06:10:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2021-01-20T06:00:23.51 3.0 undecidable manual S -4.28 0
IV.MMO1.EHZ. 2021-01-20T06:00:07.28 0.3 undecidable manual S 114 28.3494 103 -0.07 71
IV.NRCA.HHZ. 2021-01-20T06:00:05.01 0.3 undecidable manual S 156 20.868 108 0.18 71
IV.MF5.EHZ. 2021-01-20T06:00:04.70 0.3 undecidable manual P 93 36.6411 100 0 71
IV.CSP1.EHZ. 2021-01-20T06:00:04.35 0.1 undecidable manual S 59 18.6702 110 0.24 94
IV.MMO1.EHZ. 2021-01-20T06:00:02.83 0.3 undecidable manual P 114 28.3494 103 -0.24 69
IV.ASSB.HHZ. 2021-01-20T06:00:02.88 0.1 undecidable manual P 279 28.6491 103 -0.24 92
IV.CSP1.EHZ. 2021-01-20T06:00:01.36 0.1 undecidable manual P 59 18.6702 110 0.16 95
IV.NRCA.HHZ. 2021-01-20T06:00:01.60 0.1 undecidable manual P 156 20.868 108 -0.02 98
IV.CESI.HHZ. 2021-01-20T06:00:01.03 0.1 undecidable manual S 270 8.3805 129 0.06 99
IV.FDMO.HHZ. 2021-01-20T06:00:00.33 0.3 undecidable manual S 61 7.2927 133 -0.36 70
IV.FDMO.HHZ. 2021-01-20T05:59:59.21 0.1 undecidable manual P 61 7.2927 133 -0.01 100
IV.CESI.HHZ. 2021-01-20T05:59:59.56 0.1 undecidable manual P 270 8.3805 129 0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.2 0.00027949999999999996 0.2 AML other m 2021-01-20T06:00:00.81
IV.FDMO.HHN. ML:1.1 0.0002635 0.2 AML other m 2021-01-20T06:00:01.17
IV.CESI.HHE. ML:1.2 0.00027100000000000003 0.52 AML other m 2021-01-20T06:00:01.57
IV.CESI.HNN. ML:1.4 0.00039650000000000004 0.2 AML other m 2021-01-20T06:00:01.33
IV.CESI.HHN. ML:1.4 0.000397 0.2 AML other m 2021-01-20T06:00:01.33
IV.CESI.HNE. ML:1.2 0.00027649999999999994 0.66 AML other m 2021-01-20T06:00:01.57
IV.CSP1.EHE. ML:1.4 0.00019600000000000002 0.84 AML other m 2021-01-20T06:00:05.29
IV.NRCA.HHN. ML:1.3 0.000162 0.12 AML other m 2021-01-20T06:00:05.28
IV.NRCA.HHE. ML:1.3 0.000155 0.5 AML other m 2021-01-20T06:00:05.44
IV.CSP1.EHN. ML:1.5 0.0002575 0.88 AML other m 2021-01-20T06:00:05.40
IV.ASSB.HHN. ML:1.0 0.00005615 0.28 AML other m 2021-01-20T06:00:07.56
IV.ASSB.HHE. ML:1.0 0.00004815 1 AML other m 2021-01-20T06:00:08.51
IV.MF5.EHE. ML:1.1 0.000048899999999999996 0.42 AML other m 2021-01-20T06:00:14.04
IV.MF5.EHN. ML:1.1 0.000047295 0.42 AML other m 2021-01-20T06:00:15.67
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