Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 25-11-2020 and time 17:15:58 (UTC) in region 5 km S Gualdo Tadino (PG)

A magnitude ML 1.5 earthquake occured in region: 5 km S Gualdo Tadino (PG), on

  • 25-11-2020 17:15:58 (UTC)
  • 25-11-2020 18:15:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1880, 12.7950 at 16 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
Gualdo Tadino PG 5 15208 15208
Nocera Umbra PG 8 5839 21047
Fiuminata MC 11 1402 22449
Fossato di Vico PG 12 2840 25289
Sefro MC 13 422 25711
Esanatoglia MC 14 2034 27745
Valtopina PG 15 1398 29143
Pioraco MC 16 1134 30277
Valfabbrica PG 16 3389 33666
Sigillo PG 17 2404 36070
Serravalle di Chienti MC 18 1070 37140
Fabriano AN 19 31480 68620
Matelica MC 19 9981 78601
Assisi PG 19 28299 106900

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km N of Foligno (57155 inhabitants)
34 Km E of Perugia (166134 inhabitants)
71 Km N of Terni (111501 inhabitants)
75 Km S of Fano (60888 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
80 Km E of Arezzo (99543 inhabitants)
81 Km S of Pesaro (94582 inhabitants)
95 Km NW of Teramo (54892 inhabitants)
99 Km S of Rimini (147750 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
17:15:58		 43.1878 12.7952 17 2021-02-26
14:56:11		 Bollettino Sismico Italiano INGV 85596691
Reviewed
Rev100 		ML 1.4 2020-11-25
17:15:58		 43.1888 12.7975 17 2020-11-25
17:25:34		 Sala Sismica INGV-Roma 85014521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-25 17:15:58 ± 0.04
Latitude 43.1878 ± 0.0018
Longitude 12.7952 ± 0.0025
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85596691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 260
Semi-minor axis of confidence ellipse (meter) 25
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 54
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) 55
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 49
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) 0.10972
Epicentral distance of station farthest from the epicenter (degree) 0.45056
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 85596691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-21 09:08:51

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 85014521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-25 17:25:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATPC.HHE. 2020-11-25T17:16:13.23 0.6 undecidable manual S 320 42.4242 100 0.56 42
IV.ATPI.EHE. 2020-11-25T17:16:13.00 0.6 undecidable manual S 313 43.1235 100 0.15 46
IV.ATBU.EHZ. 2020-11-25T17:16:12.07 0.6 undecidable manual S 328 37.629 102 0.65 41
IV.CING.HNZ. 2020-11-25T17:16:12.03 0.3 undecidable manual S 57 38.4282 102 0.4 66
IV.ATVO.HHZ. 2020-11-25T17:16:11.44 0.6 undecidable manual S 305 38.0286 102 -0.09 47
IV.CSP1.EHZ. 2020-11-25T17:16:11.02 0.6 undecidable manual S 108 34.8429 104 0.33 45
IV.FRON.EHZ. 2020-11-25T17:16:11.25 0.6 undecidable manual S 351 37.0296 103 -0.01 48
IV.ARVD.HHZ. 2020-11-25T17:16:11.04 0.6 undecidable manual S 19 36.3414 103 -0.06 48
IV.MMUR.HNE. 2020-11-25T17:16:10.21 0.6 undecidable manual S 30 32.5452 105 0.11 48
IV.FEMA.HNE. 2020-11-25T17:16:10.25 0.6 undecidable manual S 140 32.4453 105 0.17 47
IV.SSFR.HHZ. 2020-11-25T17:16:09.23 0.6 undecidable manual S 358 27.5502 109 0.4 45
IV.EL6.EHZ. 2020-11-25T17:16:09.54 0.3 undecidable manual S 58 29.3484 107 0.27 69
IV.FDMO.HHZ. 2020-11-25T17:16:09.31 0.6 undecidable manual S 125 29.0487 108 0.11 48
IV.ATSC.EHE. 2020-11-25T17:16:08.79 0.3 undecidable manual S 342 27.6501 109 -0.06 73
IV.MURB.HHZ. 2020-11-25T17:16:08.10 0.6 undecidable manual S 291 23.3544 114 0.31 47
IT.MTCL.HGZ. 2020-11-25T17:16:08.90 0.3 undecidable manual S 142 27.1506 109 0.18 71
IV.MPAG.EHZ. 2020-11-25T17:16:07.75 0.3 undecidable manual P 357 49.0176 99 -0.05 71
IV.CESI.HHZ. 2020-11-25T17:16:07.41 0.6 undecidable manual S 156 22.1556 115 -0.08 49
IV.NRCA.HHZ. 2020-11-25T17:16:07.30 0.3 undecidable manual P 147 47.0196 99 -0.2 69
IV.MOMA.HHZ. 2020-11-25T17:16:07.78 0.6 undecidable manual P 203 46.3203 99 0.39 44
IV.NARO.HHZ. 2020-11-25T17:16:07.71 0.1 undecidable manual P 340 50.0166 98 -0.24 90
IV.MC2.EHZ. 2020-11-25T17:16:07.08 0.6 undecidable manual P 134 44.2224 100 0 48
IV.CING.HNZ. 2020-11-25T17:16:06.28 0.3 undecidable manual P 57 38.4282 102 0.09 71
IV.ASSB.HHZ. 2020-11-25T17:16:06.92 0.3 undecidable manual S 214 19.5693 120 0.05 75
IV.ATBU.EHZ. 2020-11-25T17:16:06.13 0.1 undecidable manual P 328 37.629 102 0.06 96
IV.ATPC.HHE. 2020-11-25T17:16:06.73 0.3 undecidable manual P 320 42.4242 100 -0.06 71
IV.ATVO.HHZ. 2020-11-25T17:16:06.15 0.3 undecidable manual P 305 38.0286 102 0.01 72
IV.MML1.HNE. 2020-11-25T17:16:06.22 0.3 undecidable manual S 120 16.4724 126 0.03 75
IV.ATPI.EHE. 2020-11-25T17:16:06.70 0.6 undecidable manual P 313 43.1235 100 -0.19 46
IV.FOSV.EHZ. 2020-11-25T17:16:05.15 0.3 undecidable manual S 347 12.1767 136 -0.17 73
IV.MMUR.HNE. 2020-11-25T17:16:05.17 0.6 undecidable manual P 30 32.5452 105 -0.14 48
IV.ARVD.HHZ. 2020-11-25T17:16:05.67 0.1 undecidable manual P 19 36.3414 103 -0.21 93
IV.FEMA.HNE. 2020-11-25T17:16:05.19 0.3 undecidable manual P 140 32.4453 105 -0.1 72
IV.SNTG.HHZ. 2020-11-25T17:16:05.42 0.6 undecidable manual S 58 13.875 132 -0.22 48
IV.FRON.EHZ. 2020-11-25T17:16:05.69 0.3 undecidable manual P 351 37.0296 103 -0.29 69
IV.ATCC.EHZ. 2020-11-25T17:16:05.64 0.3 undecidable manual S 269 12.5763 135 0.26 73
IV.CSP1.EHZ. 2020-11-25T17:16:05.63 0.1 undecidable manual P 108 34.8429 104 -0.02 97
IV.FDMO.HHZ. 2020-11-25T17:16:04.65 0.1 undecidable manual P 125 29.0487 108 -0.14 96
IT.MTCL.HGZ. 2020-11-25T17:16:04.46 0.3 undecidable manual P 142 27.1506 109 -0.05 73
IV.SSFR.HHZ. 2020-11-25T17:16:04.38 0.1 positive manual P 358 27.5502 109 -0.2 95
IV.MURB.HHZ. 2020-11-25T17:16:04.07 0.1 undecidable manual P 291 23.3544 114 0.09 98
IV.ATSC.EHE. 2020-11-25T17:16:04.38 0.1 undecidable manual P 342 27.6501 109 -0.2 94
IV.EL6.EHZ. 2020-11-25T17:16:04.79 0.1 negative manual P 58 29.3484 107 -0.04 98
IV.ASSB.HHZ. 2020-11-25T17:16:03.40 0.1 positive manual P 214 19.5693 120 -0.05 99
IV.CESI.HHZ. 2020-11-25T17:16:03.70 0.3 undecidable manual P 156 22.1556 115 -0.1 73
IV.ATCC.EHZ. 2020-11-25T17:16:02.66 0.1 positive manual P 269 12.5763 135 0.08 100
IV.SNTG.HHZ. 2020-11-25T17:16:02.61 0.1 undecidable manual P 58 13.875 132 -0.13 98
IV.FOSV.EHZ. 2020-11-25T17:16:02.46 0.1 negative manual P 347 12.1767 136 -0.08 99
IV.MML1.HNE. 2020-11-25T17:16:02.98 0.1 positive manual P 120 16.4724 126 -0.07 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHE. ML:1.5 0.00025057685 0.1792 AML other m 2020-11-25T17:16:05.32
IV.FOSV.EHN. ML:1.6 0.0003346089 0.1024 AML other m 2020-11-25T17:16:05.42
IV.SNTG.HHN. ML:1.3 0.0001572818 0.0896 AML other m 2020-11-25T17:16:05.73
IV.SNTG.HNN. ML:1.4 0.000185530165 0.1024 AML other m 2020-11-25T17:16:05.72
IV.SNTG.HHE. ML:1.2 0.00013410604000000002 0.1408 AML other m 2020-11-25T17:16:06.84
IV.SNTG.HNE. ML:1.2 0.00012764331499999997 0.128 AML other m 2020-11-25T17:16:06.83
IV.ATCC.EHE. ML:1.6 0.0003519401 0.2176 AML other m 2020-11-25T17:16:05.81
IV.ATCC.EHN. ML:1.8 0.00048595670000000003 0.1024 AML other m 2020-11-25T17:16:05.90
IV.ASSB.HHE. ML:1.6 0.0002717064 0.1024 AML other m 2020-11-25T17:16:08.12
IV.ASSB.HHN. ML:1.6 0.00024005915 0.0896 AML other m 2020-11-25T17:16:07.27
IV.CESI.HHE. ML:1.2 0.000100059965 0.1024 AML other m 2020-11-25T17:16:08.77
IV.CESI.HHN. ML:1.2 0.000095242025 0.1792 AML other m 2020-11-25T17:16:07.71
IV.MURB.HNE. ML:1.9 0.00045533844999999995 0.3456 AML other m 2020-11-25T17:16:08.55
IV.MURB.HHN. ML:1.8 0.0003393098 0.3072 AML other m 2020-11-25T17:16:08.76
IV.MURB.HHE. ML:1.9 0.0004637692 0.3328 AML other m 2020-11-25T17:16:08.54
IV.MURB.HNN. ML:1.7 0.00030031640000000004 0.2944 AML other m 2020-11-25T17:16:08.75
IV.SSFR.HHN. ML:1.4 0.00011490256 0.0768 AML other m 2020-11-25T17:16:10.98
IV.SSFR.HHE. ML:1.5 0.00014160467500000002 0.0768 AML other m 2020-11-25T17:16:09.59
IV.FDMO.HHN. ML:1.3 0.00009687725999999999 0.1152 AML other m 2020-11-25T17:16:09.64
IV.FDMO.HHE. ML:1.2 0.000075566415 0.1536 AML other m 2020-11-25T17:16:09.64
IV.CSP1.EHE. ML:1.3 0.00007003001 0.1152 AML other m 2020-11-25T17:16:11.62
IV.CSP1.EHN. ML:1.4 0.00010622453 1.7952 AML other m 2020-11-25T17:16:11.06
IV.ARVD.HHE. ML:1.0 0.000036500350000000004 0.0768 AML other m 2020-11-25T17:16:12.14
IV.ARVD.HHN. ML:1.0 0.000035753640000000006 0.128 AML other m 2020-11-25T17:16:12.26
IV.NRCA.HHE. ML:1.6 0.0001171399 0.192 AML other m 2020-11-25T17:16:14.82
IV.NRCA.HHN. ML:1.7 0.00014403185000000002 0.1536 AML other m 2020-11-25T17:16:14.55
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