Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 18-02-2021 and time 08:41:39 (Italy) in region 5 km W Gubbio (PG)

A magnitude ML 1.7 earthquake occured in region: 5 km W Gubbio (PG), on

  • 18-02-2021 07:41:39 (UTC)
  • 18-02-2021 08:41:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3700, 12.5220 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.

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
Gubbio PG 5 32216 32216
Pietralunga PG 11 2111 34327
Scheggia e Pascelupo PG 13 1393 35720
Cantiano PU 15 2245 37965
Costacciaro PG 16 1216 39181
Montone PG 16 1680 40861
Umbertide PG 17 16681 57542
Sigillo PG 18 2404 59946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Perugia (166134 inhabitants)
48 Km NW of Foligno (57155 inhabitants)
53 Km E of Arezzo (99543 inhabitants)
66 Km SW of Fano (60888 inhabitants)
68 Km SW of Pesaro (94582 inhabitants)
77 Km S of Rimini (147750 inhabitants)
85 Km W of Ancona (100861 inhabitants)
88 Km S of Cesena (96758 inhabitants)
90 Km N of Terni (111501 inhabitants)
96 Km E of Siena (53903 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 1.7 2021-02-18
07:41:39		 43.3695 12.5217 8 2021-07-12
16:55:03		 Bollettino Sismico Italiano INGV 88375081
Reviewed
Rev100 		ML 1.7 2021-02-18
07:41:39		 43.3703 12.5263 7 2021-02-18
07:49:19		 Sala Sismica INGV-Roma 87267971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-18 07:41:39 ± 0.04
Latitude 43.3695 ± 0.0027
Longitude 12.5217 ± 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 88375081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 269
Semi-minor axis of confidence ellipse (meter) 165
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 208
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 34
Number of associated phases, regardless of their use for origin computation 64
Number of defining phases 60
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56927
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 88375081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-22 11:25:50

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 87267971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-18 07:49:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.EHZ. 2021-02-18T07:42:04.71 3.0 undecidable manual S -1.69 0
IV.CSP1.EHZ. 2021-02-18T07:42:00.29 0.3 undecidable manual S 119 63.1923 50 0.44 63
IV.MOMA.HHZ. 2021-02-18T07:42:00.37 3.0 undecidable manual S -1.38 0
IV.MGAB.HHZ. 2021-02-18T07:41:59.94 0.6 undecidable manual S 213 60.5949 50 0.81 37
IV.FDMO.HHZ. 2021-02-18T07:41:58.94 0.3 undecidable manual S 129 58.7967 50 0.28 65
IV.FIR.HHZ. 2021-02-18T07:41:58.99 3.0 undecidable manual P 2.03 0
IV.CESI.HHZ. 2021-02-18T07:41:56.87 0.3 undecidable manual S 142 50.9157 50 0.3 66
IV.EL6.EHZ. 2021-02-18T07:41:55.85 0.3 undecidable manual S 95 47.0196 50 0.34 66
IV.PARC.HHZ. 2021-02-18T07:41:53.52 0.3 undecidable manual S 324 38.4282 50 0.29 68
IV.MPAG.EHZ. 2021-02-18T07:41:52.03 0.3 undecidable manual S 34 34.6431 103 -0.05 72
IV.ARVD.HHZ. 2021-02-18T07:41:52.71 0.3 undecidable manual S 67 36.741 50 -0.06 71
IV.ASSB.HHZ. 2021-02-18T07:41:52.42 0.3 undecidable manual S 163 37.9287 50 -0.67 61
IV.CSP1.EHZ. 2021-02-18T07:41:51.03 0.3 undecidable manual P 119 63.1923 50 -0.34 64
IV.MGAB.HHZ. 2021-02-18T07:41:50.88 0.3 undecidable manual P 213 60.5949 50 -0.07 68
IV.FDMO.HHZ. 2021-02-18T07:41:50.29 0.3 undecidable manual P 129 58.7967 50 -0.39 64
IV.CPGN.EHZ. 2021-02-18T07:41:50.07 0.3 undecidable manual P 341 50.5161 50 0.66 59
IV.BADI.EHZ. 2021-02-18T07:41:49.67 0.1 undecidable manual S 305 27.2505 106 0.07 96
IV.CESI.HHZ. 2021-02-18T07:41:49.18 0.3 undecidable manual P 142 50.9157 50 -0.29 66
IV.NARO.HHZ. 2021-02-18T07:41:49.38 0.6 undecidable manual S 10 27.1506 106 -0.21 47
IV.CRE.HHZ. 2021-02-18T07:41:49.55 0.3 undecidable manual P 301 53.6019 50 -0.33 65
IV.FRON.EHZ. 2021-02-18T07:41:48.29 0.3 undecidable manual S 45 23.2545 108 0 74
IV.SSFR.HHZ. 2021-02-18T07:41:48.28 0.3 undecidable manual S 70 22.2555 109 0.31 69
IV.ATCC.EHZ. 2021-02-18T07:41:48.66 0.1 undecidable manual S 155 22.5552 109 0.6 85
IV.EL6.EHZ. 2021-02-18T07:41:48.45 0.3 undecidable manual P 95 47.0196 50 -0.41 65
IV.APEC.HHZ. 2021-02-18T07:41:48.28 0.3 undecidable manual S 339 22.5552 109 0.24 70
IV.PIEI.HHZ. 2021-02-18T07:41:47.02 0.1 undecidable manual S 3 18.4704 113 0.29 94
IV.PARC.HHZ. 2021-02-18T07:41:47.41 0.3 undecidable manual P 324 38.4282 50 -0.14 70
IV.FOSV.EHZ. 2021-02-18T07:41:47.67 0.1 undecidable manual S 113 21.0678 110 0.11 97
IV.PE3.EHZ. 2021-02-18T07:41:47.36 0.3 undecidable manual P 357 36.2415 50 0.15 70
IV.ATSC.EHE. 2021-02-18T07:41:46.07 0.1 undecidable manual S 65 14.5743 118 0.55 88
IV.ASSB.HHZ. 2021-02-18T07:41:46.99 0.3 undecidable manual P 163 37.9287 50 -0.47 65
IV.MPAG.EHZ. 2021-02-18T07:41:46.46 0.3 undecidable manual P 34 34.6431 103 -0.42 66
IT.UMBT.HGZ. 2021-02-18T07:41:46.76 0.1 undecidable manual S 243 16.0728 116 0.78 80
IV.ARVD.HHZ. 2021-02-18T07:41:46.82 0.1 undecidable manual P 67 36.741 50 -0.46 87
IV.NARO.HHZ. 2021-02-18T07:41:45.11 0.3 undecidable manual P 10 27.1506 106 -0.34 68
IV.ATPC.HHE. 2021-02-18T07:41:45.67 0.1 undecidable manual S 337 13.3755 120 0.52 90
IV.BADI.EHZ. 2021-02-18T07:41:45.32 0.1 undecidable manual P 305 27.2505 106 -0.13 95
IV.ATMC.EHE. 2021-02-18T07:41:45.49 0.3 undecidable manual P 288 27.8499 106 -0.08 72
IV.ATPI.EHZ. 2021-02-18T07:41:45.08 0.1 undecidable manual S 313 13.1757 121 -0.01 100
IV.ATLO.EHE. 2021-02-18T07:41:44.32 0.3 undecidable manual S 237 10.9779 125 -0.14 73
IV.FRON.EHZ. 2021-02-18T07:41:44.53 0.1 positive manual P 45 23.2545 108 -0.16 95
IV.SSFR.HHZ. 2021-02-18T07:41:44.39 0.1 positive manual P 70 22.2555 109 -0.12 96
IV.MURB.HHZ. 2021-02-18T07:41:44.97 0.6 undecidable manual S 179 11.7771 123 0.28 47
IV.FOSV.EHZ. 2021-02-18T07:41:44.07 0.3 undecidable manual P 113 21.0678 110 -0.2 71
IV.ATCC.EHZ. 2021-02-18T07:41:44.56 0.1 undecidable manual P 155 22.5552 109 0 99
IV.ATVA.EHE. 2021-02-18T07:41:44.35 0.1 undecidable manual P 242 21.5673 110 -0.02 98
IV.ATMI.HHZ. 2021-02-18T07:41:44.21 0.1 undecidable manual P 259 20.868 110 -0.02 98
IV.APEC.HHZ. 2021-02-18T07:41:44.59 0.1 undecidable manual P 339 22.5552 109 0.04 98
IT.UMBT.HGZ. 2021-02-18T07:41:43.72 0.1 undecidable manual P 243 16.0728 116 0.36 92
IV.PIEI.HHZ. 2021-02-18T07:41:43.85 0.1 positive manual P 3 18.4704 113 0.05 98
IV.ATSC.EHE. 2021-02-18T07:41:43.21 0.1 positive manual P 65 14.5743 118 0.12 98
IV.CRTC.HHZ. 2021-02-18T07:41:43.17 3.0 positive manual P -2.15 0
IV.TB03.DHZ.01 2021-02-18T07:41:43.92 0.1 undecidable manual S 292 9.6792 129 -0.16 98
IV.TB01.DHZ.01 2021-02-18T07:41:43.07 0.1 undecidable manual S 281 7.0929 138 -0.35 94
IV.TB02.DHZ.01 2021-02-18T07:41:43.74 0.1 undecidable manual S 271 9.0798 131 -0.18 97
IV.MURB.HHZ. 2021-02-18T07:41:42.63 0.1 positive manual P 179 11.7771 123 0.02 100
IV.ATFO.HHZ. 2021-02-18T07:41:42.35 0.1 undecidable manual S 94 3.996 153 -0.47 92
IV.ATPI.EHZ. 2021-02-18T07:41:42.83 0.1 undecidable manual P 313 13.1757 121 -0.02 100
IV.TB02.DHZ.01 2021-02-18T07:41:42.06 0.1 positive manual P 271 9.0798 131 -0.11 99
IV.ATPC.HHE. 2021-02-18T07:41:42.99 0.1 positive manual P 337 13.3755 120 0.11 98
IV.ATLO.EHE. 2021-02-18T07:41:42.42 0.1 positive manual P 237 10.9779 125 -0.06 99
IV.TB03.DHZ.01 2021-02-18T07:41:42.15 0.1 positive manual P 292 9.6792 129 -0.11 98
IV.TB01.DHZ.01 2021-02-18T07:41:41.75 0.1 positive manual P 281 7.0929 138 -0.13 98
IV.ATFO.HHZ. 2021-02-18T07:41:41.36 0.1 positive manual P 94 3.996 153 -0.17 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HNE. ML:2.2 0.002025 0.96 AML other m 2021-02-18T07:41:45.59
IV.MURB.HHE. ML:2.2 0.00229 0.28 AML other m 2021-02-18T07:41:45.59
IV.ATPI.EHN. ML:1.6 0.000416 1.16 AML other m 2021-02-18T07:41:45.39
IV.ATPI.EHE. ML:1.4 0.0003325 1.08 AML other m 2021-02-18T07:41:46.23
IV.MURB.HNN. ML:2.1 0.001585 0.84 AML other m 2021-02-18T07:41:46.89
IV.MURB.HHN. ML:2.1 0.00152 0.84 AML other m 2021-02-18T07:41:46.89
IV.PIEI.HHN. ML:1.8 0.0005315 0.22 AML other m 2021-02-18T07:41:47.65
IV.PIEI.HHE. ML:2.0 0.0009274999999999999 0.28 AML other m 2021-02-18T07:41:47.90
IV.APEC.HHN. ML:1.7 0.0003155 0.46 AML other m 2021-02-18T07:41:48.64
IV.FRON.EHE. ML:1.5 0.0001985 1.14 AML other m 2021-02-18T07:41:48.07
IV.ATMI.HHE. ML:1.8 0.0004395 0.74 AML other m 2021-02-18T07:41:48.30
IV.ATCC.EHN. ML:1.8 0.000446 0.54 AML other m 2021-02-18T07:41:48.55
IV.APEC.HHE. ML:1.9 0.0005195 0.14 AML other m 2021-02-18T07:41:48.94
IV.SSFR.HHE. ML:2.0 0.0007655000000000001 1.78 AML other m 2021-02-18T07:41:49.91
IV.SSFR.HNE. ML:2.1 0.0008325 1.76 AML other m 2021-02-18T07:41:49.91
IV.NARO.HHE. ML:1.4 0.0001385 0.42 AML other m 2021-02-18T07:41:49.64
IV.BADI.EHN. ML:2.1 0.000676 0.18 AML other m 2021-02-18T07:41:49.90
IV.SSFR.HNN. ML:2.1 0.0008560000000000001 0.2 AML other m 2021-02-18T07:41:49.96
IV.CRTC.HHN. ML:1.8 0.0001465 1.66 AML other m 2021-02-18T07:41:49.89
IV.BADI.EHE. ML:2.0 0.0005785 1.88 AML other m 2021-02-18T07:41:49.04
IV.SSFR.HHN. ML:2.0 0.000693 0.16 AML other m 2021-02-18T07:41:50.15
IV.ATCC.EHE. ML:1.9 0.0005605 0.22 AML other m 2021-02-18T07:41:50.34
IV.FOSV.EHE. ML:1.3 0.000152 0.36 AML other m 2021-02-18T07:41:50.42
IV.FRON.EHN. ML:1.8 0.000371 0.28 AML other m 2021-02-18T07:41:50.62
IV.FOSV.EHN. ML:1.3 0.00013700000000000002 0.8 AML other m 2021-02-18T07:41:51.78
IV.NARO.HHN. ML:1.4 0.00012585000000000002 1.22 AML other m 2021-02-18T07:41:52.17
IV.ATMI.HHN. ML:1.8 0.00047250000000000005 0.5 AML other m 2021-02-18T07:41:53.36
IV.ARVD.HHE. ML:1.5 0.00011649999999999999 0.6 AML other m 2021-02-18T07:41:53.60
IV.PE3.EHN. ML:2.1 0.00047450000000000004 0.36 AML other m 2021-02-18T07:41:53.73
IV.ASSB.HHN. ML:1.6 0.00013350000000000002 1.46 AML other m 2021-02-18T07:41:53.86
IV.PARC.HHE. ML:1.5 0.000122 1.58 AML other m 2021-02-18T07:41:54.04
IV.MPAG.EHN. ML:1.3 0.00008360000000000001 0.48 AML other m 2021-02-18T07:41:54.08
IV.ARVD.HHN. ML:1.4 0.0000925 0.16 AML other m 2021-02-18T07:41:54.25
IV.PARC.HHN. ML:1.6 0.00014250000000000002 0.64 AML other m 2021-02-18T07:41:54.36
IV.PE3.EHE. ML:1.9 0.000306 1.52 AML other m 2021-02-18T07:41:55.76
IV.MPAG.EHE. ML:1.3 0.00007994999999999999 1.42 AML other m 2021-02-18T07:41:55.23
IV.ASSB.HHE. ML:1.4 0.0000926 0.36 AML other m 2021-02-18T07:41:55.78
IV.EL6.EHE. ML:1.6 0.00010425000000000001 1.28 AML other m 2021-02-18T07:41:56.06
IV.EL6.EHN. ML:1.6 0.000112 0.68 AML other m 2021-02-18T07:41:56.74
IV.CESI.HHN. ML:1.3 0.00005335 0.88 AML other m 2021-02-18T07:41:57.12
IV.CRE.HHN. ML:1.3 0.000050950000000000005 0.3 AML other m 2021-02-18T07:41:58.63
IV.CRE.HHE. ML:1.4 0.00006105 0.44 AML other m 2021-02-18T07:41:58.53
IV.FDMO.HHN. ML:1.7 0.00010109999999999999 0.22 AML other m 2021-02-18T07:41:59.21
IV.CESI.HHE. ML:1.4 0.0000645 1.6 AML other m 2021-02-18T07:41:59.86
IV.FDMO.HHE. ML:1.5 0.0000708 1.52 AML other m 2021-02-18T07:42:00.11
IV.CSP1.EHN. ML:2.0 0.000177 0.44 AML other m 2021-02-18T07:42:00.56
IV.MGAB.HHN. ML:1.9 0.00017099999999999998 0.74 AML other m 2021-02-18T07:42:00.43
IV.MGAB.HHE. ML:1.9 0.00016199999999999998 1.32 AML other m 2021-02-18T07:42:01.21
IV.CSP1.EHE. ML:1.8 0.00011499999999999999 0.14 AML other m 2021-02-18T07:42:01.97
IV.MOMA.HHN. ML:1.3 0.00003905 0.62 AML other m 2021-02-18T07:42:02.54
IV.CRTC.HHE. ML:1.8 0.00014749999999999998 0.54 AML other m 2021-02-18T07:42:03.16
IV.MOMA.HHE. ML:1.4 0.000047850000000000004 1.78 AML other m 2021-02-18T07:42:05.10
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