Earthquake with magnitude of ML 1.1 on date 11-01-2021 and time 01:30:54 (UTC) in region 4 km SE Monte Cavallo (MC)

A magnitude ML 1.1 earthquake occured in region: 4 km SE Monte Cavallo (MC), on

  • 11-01-2021 01:30:54 (UTC)
  • 11-01-2021 02:30:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9640, 13.0330 at 12 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 4 145 145
Visso MC 6 1107 1252
Ussita MC 9 444 1696
Pieve Torina MC 9 1458 3154
Preci PG 9 724 3878
Fiordimonte MC 10 202 4080
Pievebovigliana MC 12 866 4946
Sellano PG 12 1079 6025
Castelsantangelo sul Nera MC 13 281 6306
Fiastra MC 13 559 6865
Muccia MC 13 915 7780
Serravalle di Chienti MC 14 1070 8850
Acquacanina MC 14 121 8971
Bolognola MC 16 142 9113
Cerreto di Spoleto PG 19 1075 10188
Camerino MC 19 6974 17162
Norcia PG 20 4957 22119

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
55 Km NE of Terni (111501 inhabitants)
55 Km E of Perugia (166134 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
97 Km NE of Viterbo (67173 inhabitants)
98 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 1.1 2021-01-11
01:30:54
42.9638 13.0328 12 2021-01-11
01:50:57
Sala Sismica INGV-Roma 86160271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-11 01:30:54 ± 0.07
Latitude 42.9638 ± 0.0036
Longitude 13.0328 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86160271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 373
Semi-minor axis of confidence ellipse (meter) 247
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 152
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 21
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24192
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 86160271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-11 01:50:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CIMA.HNZ. 2021-01-11T01:31:08.85 3.0 undecidable manual P 0.65 0
IV.GUMA.HNZ. 2021-01-11T01:31:04.46 0.3 undecidable manual S 66 26.8509 93 0.04 72
IV.PF6.EHZ. 2021-01-11T01:31:03.28 0.3 undecidable manual S 34 23.3544 94 -0.2 70
IV.MMO1.EHZ. 2021-01-11T01:31:03.98 0.6 undecidable manual S 107 24.9528 94 0.08 48
IV.CSP1.EHZ. 2021-01-11T01:31:02.54 0.6 undecidable manual S 44 19.869 97 -0.03 49
IV.MC2.EHZ. 2021-01-11T01:31:01.27 0.6 undecidable manual S 115 13.9749 109 0.26 47
IV.NRCA.HNZ. 2021-01-11T01:31:01.28 0.6 undecidable manual S 155 15.873 103 -0.23 46
IV.CESI.HHZ. 2021-01-11T01:31:00.47 0.6 undecidable manual S 294 11.3775 120 0.09 48
IV.GUMA.HNZ. 2021-01-11T01:31:00.53 0.1 undecidable manual P 66 26.8509 93 0.18 94
IV.MMO1.EHZ. 2021-01-11T01:30:59.87 0.1 undecidable manual P 107 24.9528 94 -0.18 93
IV.PF6.EHZ. 2021-01-11T01:30:59.67 0.1 undecidable manual P 34 23.3544 94 -0.13 95
IV.FDMO.HHZ. 2021-01-11T01:30:59.70 0.6 undecidable manual S 29 9.1797 129 -0.2 48
IV.CSP1.EHZ. 2021-01-11T01:30:59.32 0.1 undecidable manual P 44 19.869 97 0.04 97
IV.FEMA.HNZ. 2021-01-11T01:30:59.04 0.6 undecidable manual S 98 1.3986 171 0.18 48
IV.CESI.HHZ. 2021-01-11T01:30:58.19 0.1 undecidable manual P 294 11.3775 120 0.17 96
IT.MTCL.HGZ. 2021-01-11T01:30:58.58 0.6 undecidable manual S 321 4.2957 154 -0.51 46
IV.MC2.EHZ. 2021-01-11T01:30:58.46 0.1 undecidable manual P 115 13.9749 109 0.08 98
IV.NRCA.HNZ. 2021-01-11T01:30:58.58 0.1 undecidable manual P 155 15.873 103 -0.09 96
IV.FDMO.HHZ. 2021-01-11T01:30:57.83 0.1 undecidable manual P 29 9.1797 129 0.09 98
IV.FEMA.HNZ. 2021-01-11T01:30:57.35 0.1 undecidable manual P 98 1.3986 171 0.21 97
IT.MTCL.HGZ. 2021-01-11T01:30:57.20 0.1 undecidable manual P 321 4.2957 154 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.1 0.00014600000000000003 0.16 AML other m 2021-01-11T01:31:00.50
IV.CESI.HHN. ML:1.2 0.00015099999999999998 0.28 AML other m 2021-01-11T01:31:00.83
IV.FDMO.HHE. ML:0.9 0.00009658775 0.14 AML other m 2021-01-11T01:30:59.91
IV.FDMO.HHN. ML:1.0 0.00012932275 0.2 AML other m 2021-01-11T01:30:59.99
IV.CSP1.EHE. ML:1.1 0.00008841127 0.62 AML other m 2021-01-11T01:31:02.72
IV.CSP1.EHN. ML:1.2 0.000114894095 0.54 AML other m 2021-01-11T01:31:03.37
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