Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 25-11-2020 and time 13:56:13 (UTC) in region 4 km E Castelsantangelo sul Nera (MC)

A magnitude ML 1.5 earthquake occured in region: 4 km E Castelsantangelo sul Nera (MC), on

  • 25-11-2020 13:56:13 (UTC)
  • 25-11-2020 14:56:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8800, 13.2050 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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
Ussita MC 9 444 725
Montemonaco AP 10 604 1329
Visso MC 11 1107 2436
Montegallo AP 11 523 2959
Bolognola MC 13 142 3101
Norcia PG 13 4957 8058
Montefortino FM 13 1178 9236
Preci PG 13 724 9960
Arquata del Tronto AP 14 1178 11138
Amandola FM 17 3629 14767
Acquacanina MC 17 121 14888
Fiastra MC 18 559 15447
Sarnano MC 19 3264 18711
Comunanza AP 19 3166 21877
Fiordimonte MC 20 202 22079

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
48 Km NW of Teramo (54892 inhabitants)
58 Km NE of Terni (111501 inhabitants)
61 Km N of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
95 Km W of Pescara (121014 inhabitants)
98 Km NW of Chieti (51815 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 1.5 2020-11-25
13:56:13		 42.8802 13.2047 12 2021-02-26
14:56:11		 Bollettino Sismico Italiano INGV 85466601
Reviewed
Rev100 		ML 1.5 2020-11-25
13:56:13		 42.882 13.2028 12 2020-11-25
14:01:12		 Sala Sismica INGV-Roma 85008661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-25 13:56:13 ± 0.05
Latitude 42.8802 ± 0.0027
Longitude 13.2047 ± 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 85466601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 319
Semi-minor axis of confidence ellipse (meter) 51
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.03327
Epicentral distance of station farthest from the epicenter (degree) 0.45506
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 85466601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-16 09:34:05

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 35
Type of magnitude ML
Reference to an origin 85008661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-25 14:01:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAMP.HHZ. 2020-11-25T13:56:27.26 0.3 undecidable manual S 156 41.7249 91 -0.02 72
IV.TERO.HHZ. 2020-11-25T13:56:27.74 0.6 undecidable manual S 131 43.3233 91 0.03 48
IV.LNSS.HHZ. 2020-11-25T13:56:25.52 0.6 undecidable manual S 204 33.5442 92 0.41 45
IV.SMA1.EHZ. 2020-11-25T13:56:24.00 0.6 undecidable manual S 159 29.6481 92 -0.08 48
IV.SAP2.EHZ. 2020-11-25T13:56:24.41 0.6 undecidable manual S 33 28.749 93 0.58 42
IV.MML1.HNE. 2020-11-25T13:56:24.80 0.3 undecidable manual S 324 32.0457 92 0.09 72
IV.CESI.HHZ. 2020-11-25T13:56:23.79 0.3 undecidable manual S 300 28.0497 93 0.16 72
IV.T1299.HNN. 2020-11-25T13:56:23.93 0.6 undecidable manual S 167 28.0497 93 0.29 47
IV.PF6.EHN. 2020-11-25T13:56:23.39 0.6 undecidable manual S 358 28.5492 93 -0.4 46
IV.ASSB.HHZ. 2020-11-25T13:56:22.39 0.1 undecidable manual P 292 47.8188 91 -0.1 93
IV.CSP1.EHZ. 2020-11-25T13:56:22.14 0.3 undecidable manual S 0 23.4543 94 -0.28 71
IV.EL6.EHZ. 2020-11-25T13:56:22.84 0.6 undecidable manual P 351 50.5161 91 -0.06 47
IV.MF5.EHZ. 2020-11-25T13:56:22.89 0.6 undecidable manual S 60 23.9538 94 0.35 46
IV.GUMA.HNN. 2020-11-25T13:56:22.66 0.3 undecidable manual S 28 22.8549 94 0.4 68
IV.MTRA.HNZ. 2020-11-25T13:56:21.38 0.3 undecidable manual S 131 20.7681 95 -0.33 70
IT.MTCL.HGZ. 2020-11-25T13:56:21.56 0.3 undecidable manual S 307 20.868 95 -0.18 72
IV.CAMP.HHZ. 2020-11-25T13:56:21.34 0.1 undecidable manual P 156 41.7249 91 -0.2 92
IV.TERO.HHZ. 2020-11-25T13:56:21.58 0.3 undecidable manual P 131 43.3233 91 -0.21 69
IV.LNSS.HHZ. 2020-11-25T13:56:20.39 0.1 undecidable manual P 204 33.5442 92 0.1 96
IV.FEMA.HNE. 2020-11-25T13:56:20.32 0.6 undecidable manual S 306 15.4734 103 0 50
IV.FDMO.HHZ. 2020-11-25T13:56:20.83 0.6 undecidable manual S 331 19.7691 96 -0.61 43
IV.SAP2.EHZ. 2020-11-25T13:56:19.68 0.1 undecidable manual P 33 28.749 93 0.14 95
IV.PF6.EHN. 2020-11-25T13:56:19.29 0.3 undecidable manual P 358 28.5492 93 -0.23 71
IV.MF5.EHZ. 2020-11-25T13:56:19.01 0.1 undecidable manual P 60 23.9538 94 0.21 95
IV.MML1.HNE. 2020-11-25T13:56:19.97 0.1 undecidable manual P 324 32.0457 92 -0.09 96
IV.CESI.HHZ. 2020-11-25T13:56:19.48 0.1 positive manual P 300 28.0497 93 0.05 98
IV.T1299.HNN. 2020-11-25T13:56:19.60 0.1 undecidable manual P 167 28.0497 93 0.17 95
IV.SMA1.EHZ. 2020-11-25T13:56:19.57 0.1 undecidable manual P 159 29.6481 92 -0.12 96
IV.CSP1.EHZ. 2020-11-25T13:56:18.58 0.1 negative manual P 0 23.4543 94 -0.16 97
IV.MC2.EHZ. 2020-11-25T13:56:18.08 0.3 undecidable manual S 340 3.6963 158 0.16 76
IV.GUMA.HNN. 2020-11-25T13:56:18.77 0.1 undecidable manual P 28 22.8549 94 0.13 97
IV.FDMO.HHZ. 2020-11-25T13:56:18.04 0.1 undecidable manual P 331 19.7691 96 -0.13 98
IV.MMO1.EHZ. 2020-11-25T13:56:18.67 0.3 undecidable manual S 78 10.1787 124 -0.34 71
IV.MTRA.HNZ. 2020-11-25T13:56:18.15 0.1 positive manual P 131 20.7681 95 -0.17 96
IV.NRCA.HNZ. 2020-11-25T13:56:18.81 0.3 undecidable manual S 235 8.9799 130 0.05 76
IT.MTCL.HGZ. 2020-11-25T13:56:18.25 0.1 undecidable manual P 307 20.868 95 -0.09 98
IV.FEMA.HNE. 2020-11-25T13:56:17.63 0.1 positive manual P 306 15.4734 103 0.11 99
IV.NRCA.HNZ. 2020-11-25T13:56:16.78 0.1 positive manual P 235 8.9799 130 0.16 99
IV.MC2.EHZ. 2020-11-25T13:56:16.33 0.1 negative manual P 340 3.6963 158 0.19 99
IV.MMO1.EHZ. 2020-11-25T13:56:16.69 0.1 negative manual P 78 10.1787 124 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.0 0.00126387735 0.0832 AML other m 2020-11-25T13:56:18.92
IV.NRCA.HNN. ML:2.0 0.0012483940000000001 0.1088 AML other m 2020-11-25T13:56:18.91
IV.NRCA.HHN. ML:2.0 0.0012766960000000001 0.1024 AML other m 2020-11-25T13:56:18.96
IV.NRCA.HHE. ML:2.1 0.0014095312999999998 0.0768 AML other m 2020-11-25T13:56:18.91
IV.FDMO.HHE. ML:1.5 0.0002132309 0.2432 AML other m 2020-11-25T13:56:21.49
IV.FDMO.HHN. ML:1.7 0.00035371295 0.1984 AML other m 2020-11-25T13:56:21.44
IV.MTRA.EHN. ML:1.7 0.0003092854 0.1216 AML other m 2020-11-25T13:56:22.79
IV.MTRA.HNN. ML:1.7 0.00032651809999999996 0.1408 AML other m 2020-11-25T13:56:22.79
IV.MTRA.EHE. ML:1.5 0.00020839325 0.1408 AML other m 2020-11-25T13:56:22.53
IV.MTRA.HNE. ML:1.5 0.00021662135999999998 0.1472 AML other m 2020-11-25T13:56:22.52
IV.CSP1.EHE. ML:1.7 0.0003200238 0.3008 AML other m 2020-11-25T13:56:23.41
IV.CSP1.EHN. ML:1.6 0.00021713389999999998 0.1984 AML other m 2020-11-25T13:56:23.23
IV.MF5.EHE. ML:1.2 0.000106253035 0.4352 AML other m 2020-11-25T13:56:26.91
IV.MF5.EHN. ML:1.3 0.0001130177 0.1792 AML other m 2020-11-25T13:56:23.36
IV.CESI.HHN. ML:1.8 0.00028525735 0.2368 AML other m 2020-11-25T13:56:24.19
IV.CESI.HHE. ML:1.5 0.00014973245 0.16 AML other m 2020-11-25T13:56:24.20
IV.CESI.HNE. ML:1.4 0.0001351886 0.608 AML other m 2020-11-25T13:56:21.61
IV.CESI.HNN. ML:1.8 0.00028866979999999997 0.2304 AML other m 2020-11-25T13:56:24.08
IV.SMA1.EHE. ML:1.1 0.00006584272499999999 0.0832 AML other m 2020-11-25T13:56:24.82
IV.SMA1.EHN. ML:1.2 0.000074235305 0.1024 AML other m 2020-11-25T13:56:24.91
IV.SAP2.EHN. ML:2.1 0.00062125525 0.0768 AML other m 2020-11-25T13:56:24.85
IV.SAP2.EHE. ML:1.4 0.00012529556999999998 0.1024 AML other m 2020-11-25T13:56:25.70
IV.LNSS.HHE. ML:1.5 0.00012403715 0.1408 AML other m 2020-11-25T13:56:26.90
IV.LNSS.HHN. ML:1.4 0.00009956374500000001 0.1408 AML other m 2020-11-25T13:56:26.79
IV.CAMP.HHE. ML:1.3 0.00005866681 0.1856 AML other m 2020-11-25T13:56:27.55
IV.CAMP.HHN. ML:0.9 0.000023565079999999998 0.1984 AML other m 2020-11-25T13:56:27.77
IV.TERO.HHE. ML:1.2 0.00005388203 0.1408 AML other m 2020-11-25T13:56:28.42
IV.TERO.HHN. ML:1.3 0.00005775604 0.1024 AML other m 2020-11-25T13:56:27.91
IV.ASSB.HHE. ML:1.2 0.000037819485 0.1408 AML other m 2020-11-25T13:56:30.76
IV.ASSB.HHN. ML:1.0 0.00003106371 0.2432 AML other m 2020-11-25T13:56:30.36
IV.EL6.EHE. ML:1.3 0.000050705505 0.1408 AML other m 2020-11-25T13:56:32.44
IV.EL6.EHN. ML:1.4 0.000060922775 0.1408 AML other m 2020-11-25T13:56:32.04
IV.MOMA.HHN. ML:1.0 0.000025740249999999998 0.1792 AML other m 2020-11-25T13:56:33.78
IV.MOMA.HNE. ML:1.8 0.0001496823 0.768 AML other m 2020-11-25T13:56:30.04
IV.MOMA.HHE. ML:1.0 0.00002311527 0.1216 AML other m 2020-11-25T13:56:33.27
IV.MOMA.HNN. ML:1.9 0.0001774819845 0.5696 AML other m 2020-11-25T13:56:33.51
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