Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 30-01-2021 and time 18:08:27 (UTC) in region 1 km NE Monte Cavallo (MC)

A magnitude ML 1.3 earthquake occured in region: 1 km NE Monte Cavallo (MC), on

  • 30-01-2021 18:08:27 (UTC)
  • 30-01-2021 19:08:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0060, 13.0120 at 3 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 2 145 145
Pieve Torina MC 5 1458 1603
Fiordimonte MC 7 202 1805
Pievebovigliana MC 9 866 2671
Serravalle di Chienti MC 9 1070 3741
Muccia MC 9 915 4656
Visso MC 10 1107 5763
Fiastra MC 12 559 6322
Ussita MC 12 444 6766
Acquacanina MC 14 121 6887
Preci PG 14 724 7611
Sellano PG 15 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
26 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
58 Km NE of Terni (111501 inhabitants)
68 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)
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 1.3 2021-01-30
18:08:27		 43.0057 13.0122 3 2021-01-30
18:13:23		 Sala Sismica INGV-Roma 86724431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-30 18:08:27 ± 0.12
Latitude 43.0057 ± 0.0063
Longitude 13.0122 ± 0.0049
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86724431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 650
Semi-minor axis of confidence ellipse (meter) 201
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 8
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
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) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.01529
Epicentral distance of station farthest from the epicenter (degree) 0.32555
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 86724431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-30 18:13:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2021-01-30T18:08:40.02 0.3 undecidable manual S 304 36.1416 95 0.33 68
IV.GUMA.HHZ. 2021-01-30T18:08:37.08 0.3 undecidable manual S 76 26.9508 97 0.55 65
IV.ASSB.HHZ. 2021-01-30T18:08:37.28 0.3 undecidable manual S 278 28.9488 97 0.07 73
IV.MMO1.EHZ. 2021-01-30T18:08:36.58 0.3 undecidable manual S 115 28.1496 97 -0.36 69
IV.NRCA.HHZ. 2021-01-30T18:08:34.45 0.3 undecidable manual S 156 20.868 99 0.03 74
IV.MC2.EHZ. 2021-01-30T18:08:34.18 0.3 undecidable manual S 126 17.7711 101 0.81 60
IV.CSP1.EHZ. 2021-01-30T18:08:33.64 0.6 undecidable manual S 58 18.3705 100 0.08 49
IV.ATCC.EHZ. 2021-01-30T18:08:33.93 0.1 undecidable manual P 304 36.1416 95 -0.44 89
IV.MMO1.EHZ. 2021-01-30T18:08:32.46 0.1 undecidable manual P 115 28.1496 97 -0.32 92
IV.GUMA.HHZ. 2021-01-30T18:08:32.53 0.1 undecidable manual P 76 26.9508 97 -0.01 98
IV.ASSB.HHZ. 2021-01-30T18:08:32.61 0.1 undecidable manual P 278 28.9488 97 -0.33 92
IV.MC2.EHZ. 2021-01-30T18:08:31.14 0.1 undecidable manual P 126 17.7711 101 0.42 92
IV.CSP1.EHZ. 2021-01-30T18:08:30.72 0.1 undecidable manual P 58 18.3705 100 -0.11 98
IV.NRCA.HHZ. 2021-01-30T18:08:30.91 0.1 undecidable manual P 156 20.868 99 -0.41 91
IV.CESI.HHZ. 2021-01-30T18:08:30.94 0.3 undecidable manual S 269 8.6802 111 0.6 66
IV.CESI.HHZ. 2021-01-30T18:08:29.22 0.1 undecidable manual P 269 8.6802 111 0.25 97
IV.FDMO.HHZ. 2021-01-30T18:08:29.67 0.3 undecidable manual S 61 6.993 116 -0.12 75
IT.MTCL.HGZ. 2021-01-30T18:08:28.26 0.1 undecidable manual S 218 1.6983 154 -0.15 100
IV.FDMO.HHZ. 2021-01-30T18:08:28.51 0.3 positive manual P 61 6.993 116 -0.14 74
IT.MTCL.HGZ. 2021-01-30T18:08:27.71 0.1 undecidable manual P 218 1.6983 154 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.3 0.00018877495 0.4096 AML other m 2021-01-30T18:08:37.93
IV.NRCA.HHN. ML:1.3 0.00014500000000000003 0.18 AML other m 2021-01-30T18:08:35.37
IV.NRCA.HHE. ML:1.3 0.00015099999999999998 0.22 AML other m 2021-01-30T18:08:35.72
IV.ASSB.HHE. ML:1.2 0.00007680000000000001 0.26 AML other m 2021-01-30T18:08:37.51
IV.ASSB.HHN. ML:1.4 0.00013450000000000002 0.16 AML other m 2021-01-30T18:08:37.62
IV.CSP1.EHN. ML:1.6 0.00033350000000000003 0.58 AML other m 2021-01-30T18:08:37.65
IV.GUMA.HHE. ML:1.4 0.00013724918 0.576 AML other m 2021-01-30T18:08:43.97
IV.GUMA.HHN. ML:1.5 0.0001867416 0.4608 AML other m 2021-01-30T18:08:38.23
IV.FDMO.HHE. ML:0.0 0.00040583420000000006 0.1024 AML other m 2021-01-30T18:08:29.84
IV.FDMO.HHN. ML:0.0 0.00033450775 0.2048 AML other m 2021-01-30T18:08:30.12
IV.CESI.HNE. ML:0.0 0.00033819315 0.2304 AML other m 2021-01-30T18:08:31.33
IV.CESI.HNN. ML:0.0 0.00046638610000000004 0.1536 AML other m 2021-01-30T18:08:31.32
IV.CESI.HHE. ML:0.0 0.000325005 0.2176 AML other m 2021-01-30T18:08:31.45
IV.CESI.HHN. ML:0.0 0.00054624405 0.1536 AML other m 2021-01-30T18:08:31.32
IV.NRCA.HNE. ML:1.4 0.0001803754 0.192 AML other m 2021-01-30T18:08:35.64
IV.NRCA.HNN. ML:1.5 0.00024107475000000001 1.2032 AML other m 2021-01-30T18:08:29.93
IV.GUMA.HNE. ML:1.5 0.00017707455 0.3328 AML other m 2021-01-30T18:08:37.27
IV.GUMA.HNN. ML:1.5 0.00018025375 0.32 AML other m 2021-01-30T18:08:39.04
IV.ATCC.EHE. ML:1.1 0.00005071678 0.2688 AML other m 2021-01-30T18:08:40.29
IV.ATCC.EHN. ML:1.0 0.000046841475 0.3328 AML other m 2021-01-30T18:08:40.62
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