Earthquake with magnitude of ML 1.0 on date 19-12-2020 and time 12:35:33 (Italy) in region 5 km SW Monte Cavallo (MC)

A magnitude ML 1.0 earthquake occured in region: 5 km SW Monte Cavallo (MC), on

  • 19-12-2020 11:35:33 (UTC)
  • 19-12-2020 12:35:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9530, 12.9670 at 12 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 5 145 145
Sellano PG 8 1079 1224
Preci PG 10 724 1948
Visso MC 10 1107 3055
Pieve Torina MC 12 1458 4513
Serravalle di Chienti MC 13 1070 5583
Fiordimonte MC 14 202 5785
Ussita MC 14 444 6229
Cerreto di Spoleto PG 15 1075 7304
Pievebovigliana MC 16 866 8170
Muccia MC 16 915 9085
Castelsantangelo sul Nera MC 17 281 9366
Fiastra MC 18 559 9925
Acquacanina MC 19 121 10046
Trevi PG 20 8469 18515

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km E of Foligno (57155 inhabitants)
50 Km E of Perugia (166134 inhabitants)
51 Km NE of Terni (111501 inhabitants)
69 Km W of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
99 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
Bulletin
Rev1000
ML 1.0 2020-12-19
11:35:33
42.953 12.9673 12 2021-02-26
14:56:14
Bollettino Sismico Italiano INGV 86173981
Reviewed
Rev100
ML 1.0 2020-12-19
11:35:33
42.9485 12.9692 11 2020-12-19
11:49:47
Sala Sismica INGV-Roma 85545981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-19 11:35:33 ± 0.04
Latitude 42.9530 ± 0.0027
Longitude 12.9673 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86173981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 290
Semi-minor axis of confidence ellipse (meter) 86
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 83
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
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) 0.04676
Epicentral distance of station farthest from the epicenter (degree) 0.38851
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 85545981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-19 11:49:47

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 86173981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-11 14:21:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2020-12-19T11:35:46.56 0.6 undecidable manual S 314 36.9297 92 0.36 45
IV.LNSS.HHZ. 2020-12-19T11:35:46.85 0.6 undecidable manual S 171 39.3273 92 0.03 48
IV.MOMA.HHZ. 2020-12-19T11:35:46.08 0.6 undecidable manual S 243 36.2415 92 0.06 48
IV.SNTG.HHZ. 2020-12-19T11:35:45.53 0.6 undecidable manual S 356 33.5442 93 0.24 47
IV.MMO1.HNZ. 2020-12-19T11:35:44.38 0.6 undecidable manual S 101 29.8479 93 0.09 48
IV.GAVE.EHZ. 2020-12-19T11:35:44.30 0.6 undecidable manual S 192 29.5482 93 0.08 48
IV.ASSB.HHZ. 2020-12-19T11:35:43.27 0.6 undecidable manual S 292 26.9508 94 -0.26 46
IV.PF6.EHZ. 2020-12-19T11:35:43.58 0.6 undecidable manual S 42 27.5502 94 -0.11 48
IV.CSP1.EHZ. 2020-12-19T11:35:42.80 0.3 undecidable manual S 51 24.6531 95 -0.12 72
IV.EL6.EHZ. 2020-12-19T11:35:41.94 0.3 undecidable manual P 15 43.1235 92 0 71
IV.MC2.EHZ. 2020-12-19T11:35:41.54 0.3 undecidable manual S 104 18.5703 100 0.23 71
IV.MOMA.HHZ. 2020-12-19T11:35:41.26 0.3 undecidable manual P 243 36.2415 92 0.38 67
IV.SNTG.HHZ. 2020-12-19T11:35:40.32 0.3 undecidable manual P 356 33.5442 93 -0.15 70
IV.ATCC.EHZ. 2020-12-19T11:35:40.98 0.3 undecidable manual P 314 36.9297 92 -0.01 72
IV.NRCA.HHZ. 2020-12-19T11:35:40.67 0.3 undecidable manual S 138 17.871 101 -0.44 69
IV.LNSS.HHZ. 2020-12-19T11:35:40.90 0.3 undecidable manual P 171 39.3273 92 -0.45 66
IV.MML1.EHZ. 2020-12-19T11:35:40.84 0.6 undecidable manual S 1 17.7711 101 -0.27 47
IV.FDMO.HHZ. 2020-12-19T11:35:39.78 0.3 undecidable manual S 46 13.4754 113 -0.21 73
IV.PF6.EHZ. 2020-12-19T11:35:39.63 0.1 undecidable manual P 42 27.5502 94 0.09 97
IV.CSP1.EHZ. 2020-12-19T11:35:39.30 0.3 undecidable manual P 51 24.6531 95 0.2 71
IV.ASSB.HHZ. 2020-12-19T11:35:39.34 0.3 undecidable manual P 292 26.9508 94 -0.11 72
IV.MMO1.HNZ. 2020-12-19T11:35:39.88 0.1 undecidable manual P 101 29.8479 93 -0.01 98
IV.GAVE.EHZ. 2020-12-19T11:35:39.80 0.3 undecidable manual P 192 29.5482 93 -0.05 73
IV.CESI.HHZ. 2020-12-19T11:35:38.66 0.3 undecidable manual S 319 7.6812 137 -0.07 75
IV.MML1.EHZ. 2020-12-19T11:35:38.03 0.1 undecidable manual P 1 17.7711 101 -0.02 99
IV.FEMA.HNZ. 2020-12-19T11:35:38.74 0.6 undecidable manual S 81 6.7932 142 0.17 49
IV.MC2.EHZ. 2020-12-19T11:35:38.14 0.1 undecidable manual P 104 18.5703 100 -0.03 100
IT.MTCL.HGZ. 2020-12-19T11:35:38.07 0.3 undecidable manual S 30 5.1948 150 -0.27 73
IV.NRCA.HHZ. 2020-12-19T11:35:38.06 0.3 undecidable manual P 138 17.871 101 0.01 75
IV.FDMO.HHZ. 2020-12-19T11:35:37.53 0.1 undecidable manual P 46 13.4754 113 0.13 98
IT.MTCL.HGZ. 2020-12-19T11:35:36.54 0.1 undecidable manual P 30 5.1948 150 0.09 100
IV.CESI.HHZ. 2020-12-19T11:35:36.83 0.1 undecidable manual P 319 7.6812 137 0.15 99
IV.FEMA.HNZ. 2020-12-19T11:35:36.72 0.1 undecidable manual P 81 6.7932 142 0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.9 0.00009277055 0.096 AML other m 2020-12-19T11:35:38.76
IV.CESI.HHE. ML:0.9 0.00010942526 0.0768 AML other m 2020-12-19T11:35:38.85
IV.FDMO.HHN. ML:1.5 0.00028065344999999995 1.7952 AML other m 2020-12-19T11:35:40.09
IV.FDMO.HHE. ML:1.4 0.00025490904999999996 0.1216 AML other m 2020-12-19T11:35:40.51
IV.ASSB.HHE. ML:0.9 0.00004662756 0.064 AML other m 2020-12-19T11:35:43.62
IV.ASSB.HHN. ML:0.9 0.00004381753500000001 0.0832 AML other m 2020-12-19T11:35:43.66
IV.GAVE.EHE. ML:1.2 0.000067833855 0.096 AML other m 2020-12-19T11:35:44.56
IV.GAVE.EHN. ML:1.1 0.000057059315 0.1216 AML other m 2020-12-19T11:35:45.49
IV.ATCC.EHE. ML:0.7 0.000020030476 0.1216 AML other m 2020-12-19T11:35:47.46
IV.LNSS.HHN. ML:1.1 0.000043307690000000005 0.16 AML other m 2020-12-19T11:35:47.44
IV.MOMA.HHN. ML:0.8 0.000025023129999999996 0.1408 AML other m 2020-12-19T11:35:47.47
IV.MOMA.HHE. ML:0.9 0.000032047329999999996 0.1792 AML other m 2020-12-19T11:35:47.78
IV.LNSS.HHE. ML:0.9 0.000031459390000000005 0.1408 AML other m 2020-12-19T11:35:47.88
IV.ATCC.EHN. ML:0.7 0.000020455399999999997 0.1408 AML other m 2020-12-19T11:35:48.25
IV.EL6.EHE. ML:0.9 0.000024605925 0.1408 AML other m 2020-12-19T11:35:48.78
IV.EL6.EHN. ML:0.7 0.000016652435 0.16 AML other m 2020-12-19T11:35:49.68
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