Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 28-11-2020 and time 01:11:53 (UTC) in region 5 km SW Castelsantangelo sul Nera (MC)

A magnitude ML 1.4 earthquake occured in region: 5 km SW Castelsantangelo sul Nera (MC), on

  • 28-11-2020 01:11:53 (UTC)
  • 28-11-2020 02:11:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8630, 13.1180 at 8 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.

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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
Castelsantangelo sul Nera MC 5 281 281
Preci PG 7 724 1005
Visso MC 8 1107 2112
Norcia PG 8 4957 7069
Ussita MC 9 444 7513
Sellano PG 16 1079 8592
Cerreto di Spoleto PG 17 1075 9667
Bolognola MC 17 142 9809
Monte Cavallo MC 17 145 9954
Montemonaco AP 18 604 10558
Arquata del Tronto AP 18 1178 11736
Montegallo AP 18 523 12259
Cascia PG 18 3217 15476
Acquacanina MC 19 121 15597
Fiordimonte MC 20 202 15799
Fiastra MC 20 559 16358

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
51 Km NE of Terni (111501 inhabitants)
53 Km W of Teramo (54892 inhabitants)
61 Km NW of L'Aquila (69753 inhabitants)
65 Km E of Perugia (166134 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
97 Km NE of Viterbo (67173 inhabitants)
100 Km W of Pescara (121014 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 1.4 2020-11-28
01:11:53		 42.8632 13.1183 8 2021-02-26
14:56:11		 Bollettino Sismico Italiano INGV 85597071
Reviewed
Rev100 		ML 1.4 2020-11-28
01:11:53		 42.863 13.1183 8 2020-11-28
01:41:27		 Sala Sismica INGV-Roma 85058631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-28 01:11:53 ± 0.04
Latitude 42.8632 ± 0.0018
Longitude 13.1183 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85597071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 256
Semi-minor axis of confidence ellipse (meter) 164
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 51
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.84356
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 85597071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-21 09:46:26

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 85058631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-28 01:41:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2020-11-28T01:12:16.44 0.6 undecidable manual S 349 71.8725 50 0.62 39
IV.FOSV.EHZ. 2020-11-28T01:12:11.92 0.6 undecidable manual S 329 55.8996 50 0.35 43
IV.ATCC.EHZ. 2020-11-28T01:12:11.25 0.6 undecidable manual S 313 52.7028 50 0.54 41
IV.EL6.EHZ. 2020-11-28T01:12:10.45 0.3 undecidable manual S 359 51.7038 50 0.01 70
IV.MOMA.HHZ. 2020-11-28T01:12:09.22 0.3 undecidable manual S 262 45.1215 50 0.55 62
IV.NARO.HHZ. 2020-11-28T01:12:09.42 0.1 undecidable manual P 333 93.6396 50 -0.33 80
IV.TERO.HHZ. 2020-11-28T01:12:09.15 0.3 undecidable manual S 124 47.7189 50 -0.22 67
IV.CAMP.HHZ. 2020-11-28T01:12:08.05 0.3 undecidable manual S 147 43.3233 50 -0.16 69
IV.SNTG.HHZ. 2020-11-28T01:12:08.58 0.3 undecidable manual S 342 45.8208 50 -0.28 67
IV.ASSB.HHZ. 2020-11-28T01:12:07.76 0.3 undecidable manual S 298 42.3243 50 -0.16 69
IV.ARVD.HHZ. 2020-11-28T01:12:06.25 0.1 undecidable manual P 349 71.8725 50 -0.15 87
IV.MF5.EHZ. 2020-11-28T01:12:05.16 0.3 undecidable manual S 63 30.9468 105 0.52 65
IV.MURB.HHZ. 2020-11-28T01:12:05.49 3.0 undecidable manual P 0.09 0
IV.SAP2.EHZ. 2020-11-28T01:12:05.99 0.3 undecidable manual S 41 34.5432 103 0.16 70
IV.SMA1.EHZ. 2020-11-28T01:12:04.59 0.6 undecidable manual S 146 31.2465 105 -0.16 47
IV.T1299.HNE. 2020-11-28T01:12:04.37 0.3 undecidable manual S 152 28.6491 106 0.49 66
IV.LNSS.HHZ. 2020-11-28T01:12:03.93 0.3 undecidable manual S 192 29.5482 105 -0.24 69
IV.ATCC.EHZ. 2020-11-28T01:12:03.36 0.1 undecidable manual P 313 52.7028 50 -0.09 91
IV.FOSV.EHZ. 2020-11-28T01:12:03.82 0.1 positive manual P 329 55.8996 50 -0.12 90
IV.GUMA.HHZ. 2020-11-28T01:12:03.69 0.3 undecidable manual S 38 28.2495 106 -0.05 72
IV.OFFI.HHZ. 2020-11-28T01:12:03.23 0.1 undecidable manual P 80 46.8198 50 0.7 78
IV.SNTG.HHZ. 2020-11-28T01:12:02.01 0.1 undecidable manual P 342 45.8208 50 -0.37 87
IV.MTRA.EHZ. 2020-11-28T01:12:02.85 0.3 undecidable manual S 117 25.5522 108 0.02 73
IV.TERO.HHZ. 2020-11-28T01:12:02.34 0.1 negative manual P 124 47.7189 50 -0.33 88
IV.CSP1.EHZ. 2020-11-28T01:12:02.69 0.3 undecidable manual S 15 26.3514 107 -0.4 67
IV.EL6.EHZ. 2020-11-28T01:12:02.99 0.1 positive manual P 359 51.7038 50 -0.3 88
IV.MOMA.HHZ. 2020-11-28T01:12:02.54 0.1 undecidable manual P 262 45.1215 50 0.27 89
IV.MNTT.EHZ. 2020-11-28T01:12:02.67 0.1 undecidable manual P 60 44.622 50 0.48 85
IV.CESI.HHZ. 2020-11-28T01:12:02.28 0.3 undecidable manual S 312 23.4543 109 0.15 71
IV.ASSB.HHZ. 2020-11-28T01:12:01.57 0.1 undecidable manual P 298 42.3243 50 -0.27 90
IV.CAMP.HHZ. 2020-11-28T01:12:01.71 0.1 undecidable manual P 147 43.3233 50 -0.29 89
IV.MF5.EHZ. 2020-11-28T01:12:00.01 0.1 positive manual P 63 30.9468 105 0.06 96
IV.MMO1.EHZ. 2020-11-28T01:12:00.04 0.3 undecidable manual S 77 17.3715 115 -0.16 72
IV.SAP2.EHZ. 2020-11-28T01:12:00.53 0.1 undecidable manual P 41 34.5432 103 -0.1 94
IT.MTCL.HGZ. 2020-11-28T01:12:00.25 0.3 undecidable manual S 326 17.3715 115 0.05 74
IV.FDMO.HHZ. 2020-11-28T01:12:00.73 0.3 undecidable manual S 353 19.3695 113 -0.09 73
IV.GUMA.HHZ. 2020-11-28T01:11:59.47 0.1 positive manual P 38 28.2495 106 0.05 96
IV.T1299.HNE. 2020-11-28T01:11:59.69 0.1 undecidable manual P 152 28.6491 106 0.19 94
IV.LNSS.HHZ. 2020-11-28T01:11:59.69 0.1 undecidable manual P 192 29.5482 105 0.02 97
IV.SMA1.EHZ. 2020-11-28T01:11:59.99 0.3 undecidable manual P 146 31.2465 105 -0.01 72
IV.CESI.HHZ. 2020-11-28T01:11:58.57 0.1 negative manual P 312 23.4543 109 0.08 97
IV.MTRA.EHZ. 2020-11-28T01:11:58.87 0.1 undecidable manual P 117 25.5522 108 -0.03 97
IV.CSP1.EHZ. 2020-11-28T01:11:58.89 0.1 undecidable manual P 15 26.3514 107 -0.16 95
IV.FEMA.HNZ. 2020-11-28T01:11:58.78 0.3 undecidable manual S 333 12.2766 124 0.13 73
IV.FDMO.HHZ. 2020-11-28T01:11:57.71 0.1 negative manual P 353 19.3695 113 -0.03 98
IV.MMO1.EHZ. 2020-11-28T01:11:57.32 0.1 positive manual P 77 17.3715 115 -0.06 98
IV.MC2.EHZ. 2020-11-28T01:11:57.39 0.3 undecidable manual S 47 7.881 136 -0.06 75
IT.MTCL.HGZ. 2020-11-28T01:11:57.38 0.1 undecidable manual P 326 17.3715 115 0 99
IV.FEMA.HNZ. 2020-11-28T01:11:56.64 0.1 undecidable manual P 333 12.2766 124 0.16 97
IV.NRCA.HNZ. 2020-11-28T01:11:56.28 0.3 undecidable manual S 186 3.2967 158 -0.3 72
IV.MC2.EHZ. 2020-11-28T01:11:55.83 0.1 positive manual P 47 7.881 136 0.04 100
IV.NRCA.HNZ. 2020-11-28T01:11:55.42 0.1 positive manual P 186 3.2967 158 0.13 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:0.0 0.0075765270000000004 0.1096 AML other m 2020-11-28T01:11:57.12
IV.NRCA.HNN. ML:0.0 0.0064238915 0.1 AML other m 2020-11-28T01:11:56.50
IV.NRCA.HHN. ML:0.0 0.007136804 0.14 AML other m 2020-11-28T01:11:57.01
IV.NRCA.HHE. ML:0.0 0.0080227065 0.1 AML other m 2020-11-28T01:11:57.12
IV.FDMO.HHE. ML:1.2 0.0001279327 0.4 AML other m 2020-11-28T01:12:01.18
IV.FDMO.HHN. ML:1.5 0.00023295405 0.24 AML other m 2020-11-28T01:12:00.93
IV.CESI.HHE. ML:1.3 0.00013135641 0.16 AML other m 2020-11-28T01:12:02.89
IV.CESI.HHN. ML:1.6 0.00023970029999999997 0.18 AML other m 2020-11-28T01:12:02.79
IV.CESI.HNE. ML:1.3 0.0001243742 0.84 AML other m 2020-11-28T01:12:02.47
IV.CESI.HNN. ML:1.6 0.00024319334999999998 0.18 AML other m 2020-11-28T01:12:02.79
IV.MTRA.HNE. ML:1.4 0.00015876868 0.28 AML other m 2020-11-28T01:12:05.26
IV.MTRA.HNN. ML:1.5 0.0001730014 0.2 AML other m 2020-11-28T01:12:04.25
IV.MTRA.EHN. ML:1.5 0.0001734731 0.2 AML other m 2020-11-28T01:12:04.15
IV.MTRA.EHE. ML:1.2 0.000089628495 0.2 AML other m 2020-11-28T01:12:03.36
IV.CSP1.EHE. ML:1.8 0.000335165 0.2 AML other m 2020-11-28T01:12:03.68
IV.CSP1.EHN. ML:1.8 0.00036861800000000003 0.16 AML other m 2020-11-28T01:12:04.52
IV.GUMA.HNN. ML:1.9 0.00043304035 0.8096 AML other m 2020-11-28T01:12:03.62
IV.GUMA.HHE. ML:2.2 0.0007613551 0.24 AML other m 2020-11-28T01:12:04.16
IV.GUMA.HHN. ML:1.9 0.00043029685 0.26 AML other m 2020-11-28T01:12:04.82
IV.GUMA.HNE. ML:2.1 0.00059859875 0.2304 AML other m 2020-11-28T01:12:04.16
IV.LNSS.HNE. ML:1.4 0.00012170045000000002 2.4304 AML other m 2020-11-28T01:12:03.65
IV.LNSS.HHE. ML:0.7 0.000024955560000000003 1.12 AML other m 2020-11-28T01:12:04.28
IV.LNSS.HNN. ML:1.3 0.00009857657 0.9704 AML other m 2020-11-28T01:12:03.63
IV.LNSS.HHN. ML:1.2 0.0000849158 0.16 AML other m 2020-11-28T01:12:05.94
IV.SMA1.EHE. ML:0.6 0.000020173023500000002 1.22 AML other m 2020-11-28T01:12:05.01
IV.SMA1.EHN. ML:0.7 0.000022843645000000002 0.3 AML other m 2020-11-28T01:12:05.05
IV.MF5.EHN. ML:1.2 0.00007879435500000001 0.32 AML other m 2020-11-28T01:12:05.96
IV.MF5.EHE. ML:1.2 0.00008505845500000001 1.76 AML other m 2020-11-28T01:12:05.53
IV.SAP2.EHN. ML:2.2 0.00059853115 0.14 AML other m 2020-11-28T01:12:06.91
IV.SAP2.EHE. ML:1.6 0.00016642099999999998 0.14 AML other m 2020-11-28T01:12:07.40
IV.ASSB.HHN. ML:1.2 0.000053163219999999994 0.2 AML other m 2020-11-28T01:12:10.13
IV.ASSB.HHE. ML:1.2 0.000048604285 0.14 AML other m 2020-11-28T01:12:09.07
IV.CAMP.HHE. ML:0.2 0.000005164689 0.58 AML other m 2020-11-28T01:12:07.99
IV.CAMP.HHN. ML:0.5 0.000009694942 1.44 AML other m 2020-11-28T01:12:08.46
IV.SNTG.HNE. ML:1.5 0.00010116001500000001 0.6408 AML other m 2020-11-28T01:12:08.56
IV.SNTG.HNN. ML:1.8 0.0002027245 3.04 AML other m 2020-11-28T01:12:09.11
IV.SNTG.HHE. ML:1.0 0.000028140215 0.1 AML other m 2020-11-28T01:12:09.00
IV.SNTG.HHN. ML:1.0 0.000030941114999999995 0.14 AML other m 2020-11-28T01:12:10.19
IV.TERO.HNN. ML:1.8 0.00019692604999999998 0.7496 AML other m 2020-11-28T01:12:08.06
IV.TERO.HHE. ML:1.0 0.00003063713 0.42 AML other m 2020-11-28T01:12:09.71
IV.TERO.HNE. ML:1.6 0.000107031135 0.62 AML other m 2020-11-28T01:12:07.16
IV.TERO.HHN. ML:1.0 0.000030776905 0.12 AML other m 2020-11-28T01:12:13.58
IV.MOMA.HHN. ML:1.1 0.000041131500000000004 0.34 AML other m 2020-11-28T01:12:10.50
IV.MOMA.HNN. ML:1.9 0.0002417892 0.8296 AML other m 2020-11-28T01:12:08.67
IV.MOMA.HHE. ML:1.3 0.000056398175 0.18 AML other m 2020-11-28T01:12:09.93
IV.MOMA.HNE. ML:1.7 0.00014064214999999998 1.1296 AML other m 2020-11-28T01:12:03.98
IV.MNTT.EHE. ML:1.8 0.00018047746000000002 0.38 AML other m 2020-11-28T01:12:10.72
IV.MNTT.EHN. ML:1.8 0.00016831974999999998 0.22 AML other m 2020-11-28T01:12:11.17
IV.EL6.EHE. ML:1.6 0.000091459015 0.18 AML other m 2020-11-28T01:12:10.87
IV.EL6.EHN. ML:1.6 0.000111691555 0.32 AML other m 2020-11-28T01:12:11.43
IV.ATCC.EHN. ML:1.3 0.00004256617 2.38 AML other m 2020-11-28T01:12:12.05
IV.ATCC.EHE. ML:1.0 0.0000267757475 0.12 AML other m 2020-11-28T01:12:11.88
IV.FOSV.EHE. ML:1.2 0.000034643965 0.14 AML other m 2020-11-28T01:12:12.54
IV.FOSV.EHN. ML:1.1 0.00003190622 0.2 AML other m 2020-11-28T01:12:13.61
IV.ARVD.HHE. ML:1.0 0.0000151021105 0.12 AML other m 2020-11-28T01:12:18.63
IV.ARVD.HHN. ML:1.0 0.0000136491265 0.14 AML other m 2020-11-28T01:12:18.28
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