Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 08-03-2021 and time 14:42:20 (Italy) in region 5 km W Gubbio (PG)

A magnitude ML 1.4 earthquake occured in region: 5 km W Gubbio (PG), on

  • 08-03-2021 13:42:20 (UTC)
  • 08-03-2021 14:42:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3690, 12.5240 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Gubbio PG 5 32216 32216
Pietralunga PG 11 2111 34327
Scheggia e Pascelupo PG 12 1393 35720
Cantiano PU 15 2245 37965
Costacciaro PG 15 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)
97 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
Reviewed
Rev100 		ML 1.4 2021-03-08
13:42:20		 43.3687 12.5243 9 2021-03-08
13:59:18		 Sala Sismica INGV-Roma 87910171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-08 13:42:20 ± 0.06
Latitude 43.3687 ± 0.0027
Longitude 12.5243 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87910171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 266
Semi-minor axis of confidence ellipse (meter) 240
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
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) 85
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40739
Number of stations at which the event was observed 39
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 50
Type of magnitude ML
Reference to an origin 87910171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-08 13:59:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENA.HHZ. 2021-03-08T13:44:06.31 3.0 undecidable manual Sn 6.49 0
IV.CROCE.HNZ. 2021-03-08T13:44:00.42 3.0 undecidable manual Pn 4.58 0
IV.GIZZ.HHZ. 2021-03-08T13:43:51.38 3.0 negative manual Pg 16.639999 0
GU.IMI.HHZ. 2021-03-08T13:43:49.98 3.0 undecidable manual Sg 11.28 0
OT.OT05.EHZ. 2021-03-08T13:43:44.90 3.0 undecidable manual Sn 3.37 0
IT.LRNO.HNZ. 2021-03-08T13:43:41.80 3.0 undecidable manual Sg 11.54 0
IV.MMN.HHZ. 2021-03-08T13:43:41.57 3.0 positive manual Pg 18.709999 0
IV.VARE.HHZ. 2021-03-08T13:43:39.23 3.0 undecidable manual Sn 0.57 0
ST.CARE.EHZ. 2021-03-08T13:43:33.23 3.0 undecidable manual Sg 4.89 0
CR.STON.BHZ. 2021-03-08T13:43:23.30 3.0 undecidable manual Pg 11.37 0
IV.MTMR.EHZ. 2021-03-08T13:43:20.04 3.0 negative manual Pg 14.65 0
IV.SAMA.EHZ. 2021-03-08T13:43:16.95 3.0 undecidable manual Sg 4.06 0
OX.VARN.HHZ. 2021-03-08T13:43:15.05 3.0 undecidable manual Sg 3.18 0
IV.FREG.EHZ. 2021-03-08T13:43:12.03 3.0 undecidable manual Sg -0.18 0
IV.CERT.HHZ. 2021-03-08T13:43:11.96 3.0 undecidable manual Sn 1.92 0
IV.VOBA.EHZ. 2021-03-08T13:43:10.92 3.0 undecidable manual Sn -2.61 0
IV.RNI2.HHZ. 2021-03-08T13:43:01.77 3.0 negative manual Pg 10.17 0
IV.SAMA.EHZ. 2021-03-08T13:42:42.49 3.0 undecidable manual Pn -2.9 0
IV.EL6.EHZ. 2021-03-08T13:42:36.27 3.0 undecidable manual S -2.72 0
IV.SBPO.HNZ. 2021-03-08T13:42:36.41 3.0 negative manual P -0.5 0
IV.CAFI.HHZ. 2021-03-08T13:42:35.31 0.6 undecidable manual S 265 45.2214 50 -0.32 44
IV.ARVD.HHZ. 2021-03-08T13:42:33.34 0.3 undecidable manual S 67 36.5412 50 0.02 72
IV.MPAG.EHZ. 2021-03-08T13:42:32.80 0.3 undecidable manual S 33 34.5432 50 0.02 72
IV.CSP1.EHZ. 2021-03-08T13:42:32.06 3.0 negative manual P 1.63 0
IV.MGAB.HHZ. 2021-03-08T13:42:31.57 3.0 negative manual P 1.78 0
IV.FDMO.HHZ. 2021-03-08T13:42:31.18 3.0 negative manual P 0.83 0
IV.NARO.HHZ. 2021-03-08T13:42:30.28 0.3 undecidable manual S 10 27.2505 107 -0.17 71
IV.BADI.EHZ. 2021-03-08T13:42:30.63 0.3 undecidable manual S 305 27.4503 107 0.12 71
IV.ATCC.EHZ. 2021-03-08T13:42:29.24 0.1 undecidable manual S 155 22.3554 111 0.38 91
IV.CAFI.HHZ. 2021-03-08T13:42:29.15 0.3 undecidable manual P 265 45.2214 50 -0.1 69
IV.FRON.EHZ. 2021-03-08T13:42:29.12 0.3 undecidable manual S 44 23.1546 110 0.01 73
IV.APEC.HHZ. 2021-03-08T13:42:29.24 0.3 undecidable manual S 338 22.6551 111 0.29 69
IV.PIEI.HHZ. 2021-03-08T13:42:28.04 0.3 undecidable manual S 3 18.5703 115 0.41 68
IV.FOSV.EHZ. 2021-03-08T13:42:28.59 0.3 undecidable manual S 113 20.7681 112 0.25 70
IV.ATMI.HHZ. 2021-03-08T13:42:28.56 3.0 undecidable manual S -2.35 0
IV.MPAG.EHZ. 2021-03-08T13:42:27.37 0.3 undecidable manual P 33 34.5432 50 -0.24 69
IV.ARVD.HHZ. 2021-03-08T13:42:27.92 0.3 undecidable manual P 67 36.5412 50 0.01 72
IV.ATPI.EHZ. 2021-03-08T13:42:26.12 0.3 undecidable manual S 313 13.3755 123 0.07 74
IV.BADI.EHZ. 2021-03-08T13:42:26.21 0.3 undecidable manual P 305 27.4503 107 -0.09 72
IV.CSNT.HHZ. 2021-03-08T13:42:26.98 3.0 positive manual P -0.07 0
IV.NARO.HHZ. 2021-03-08T13:42:26.16 0.3 undecidable manual P 10 27.2505 107 -0.1 72
IV.APEC.HHZ. 2021-03-08T13:42:25.38 0.1 undecidable manual P 338 22.6551 111 -0.01 98
IV.ATCC.EHZ. 2021-03-08T13:42:25.41 0.3 undecidable manual P 155 22.3554 111 0.07 73
IV.FRON.EHZ. 2021-03-08T13:42:25.44 0.3 undecidable manual P 44 23.1546 110 -0.05 73
IV.FOSV.EHZ. 2021-03-08T13:42:25.05 1.0 undecidable manual P 113 20.7681 112 0.01 25
IV.PIEI.HHZ. 2021-03-08T13:42:24.85 0.3 undecidable manual P 3 18.5703 115 0.22 71
IV.ATFO.HHZ. 2021-03-08T13:42:23.20 0.1 undecidable manual S 93 3.7962 156 -0.58 88
IV.ATPI.EHZ. 2021-03-08T13:42:23.75 0.3 undecidable manual P 313 13.3755 123 0.03 74
IV.MURB.HHZ. 2021-03-08T13:42:23.45 0.1 positive manual P 180 11.6772 126 0.01 100
IV.ATFO.HHZ. 2021-03-08T13:42:22.21 0.1 positive manual P 93 3.7962 156 -0.2 97
IV.SEI.HHZ. 2021-03-08T13:42:20.31 3.0 negative manual P -3.89 0
IV.BRSN.EHZ. 2021-03-08T13:42:13.80 3.0 negative manual P -5.1 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHN. ML:0.0 0.0019474345 0.1792 AML other m 2021-03-08T13:42:23.33
IV.MURB.HHN. ML:1.6 0.0005765 0.42 AML other m 2021-03-08T13:42:25.94
IV.MURB.HNN. ML:1.7 0.000616 0.42 AML other m 2021-03-08T13:42:25.95
IV.MURB.HNE. ML:1.8 0.0007105 0.36 AML other m 2021-03-08T13:42:26.54
IV.ATPI.EHN. ML:1.1 0.00013191884 0.096 AML other m 2021-03-08T13:42:26.49
IV.MURB.HHE. ML:1.7 0.000671 0.28 AML other m 2021-03-08T13:42:26.72
IV.PIEI.HHN. ML:1.4 0.0002295 0.22 AML other m 2021-03-08T13:42:28.69
IV.PIEI.HHE. ML:1.6 0.00035276075 0.2176 AML other m 2021-03-08T13:42:28.69
IV.ATPI.EHE. ML:1.0 0.00010400000000000001 0.72 AML other m 2021-03-08T13:42:29.70
IV.APEC.HHN. ML:1.2 0.000115767755 0.1216 AML other m 2021-03-08T13:42:29.72
IV.ATCC.EHN. ML:1.2 0.00011704999999999999 0.2 AML other m 2021-03-08T13:42:29.86
IV.APEC.HHE. ML:1.4 0.000157 0.34 AML other m 2021-03-08T13:42:29.64
IV.ATCC.EHE. ML:1.3 0.00013626505 0.2368 AML other m 2021-03-08T13:42:29.98
IV.FRON.EHN. ML:1.3 0.000129753685 0.16 AML other m 2021-03-08T13:42:30.75
IV.BADI.EHN. ML:1.7 0.00028000000000000003 0.18 AML other m 2021-03-08T13:42:30.84
IV.FRON.EHE. ML:0.9 0.000048978065 0.1792 AML other m 2021-03-08T13:42:29.72
IV.NARO.HHE. ML:1.0 0.000053551605000000004 0.1408 AML other m 2021-03-08T13:42:31.38
IV.FOSV.EHE. ML:1.0 0.0000703 0.3 AML other m 2021-03-08T13:42:31.15
IV.BADI.EHE. ML:1.6 0.00020437424999999998 0.16 AML other m 2021-03-08T13:42:30.83
IV.FOSV.EHN. ML:1.1 0.00008753364499999999 0.32 AML other m 2021-03-08T13:42:31.23
IV.NARO.HHN. ML:0.9 0.000044132985 0.0576 AML other m 2021-03-08T13:42:31.34
IV.MPAG.EHN. ML:0.8 0.00002606895 0.2368 AML other m 2021-03-08T13:42:37.11
IV.MPAG.EHE. ML:0.9 0.000030868754999999995 0.1024 AML other m 2021-03-08T13:42:33.90
IV.ARVD.HHE. ML:0.9 0.000031559805 0.1792 AML other m 2021-03-08T13:42:35.04
IV.ARVD.HHN. ML:0.8 0.000027128855 0.1216 AML other m 2021-03-08T13:42:35.00
IV.CAFI.HHE. ML:0.7 0.0000161 0.38 AML other m 2021-03-08T13:42:35.75
IV.CAFI.HHN. ML:0.8 0.00001755 1.3 AML other m 2021-03-08T13:42:36.66
IV.FDMO.HHE. ML:1.1 0.00002305 0.2 AML other m 2021-03-08T13:42:39.95
IV.FDMO.HHN. ML:1.2 0.0000276 1.76 AML other m 2021-03-08T13:42:39.95
IV.MGAB.HHE. ML:1.2 0.000034686740000000004 0.1984 AML other m 2021-03-08T13:42:42.89
IV.MGAB.HHN. ML:1.4 0.0000528 0.26 AML other m 2021-03-08T13:42:42.79
IV.BRSN.EHE. ML:2.5 0.00030771360000000003 0.1984 AML other m 2021-03-08T13:42:21.64
IV.BRSN.EHN. ML:2.7 0.0004916049500000001 0.1984 AML other m 2021-03-08T13:42:22.12
IV.BRSN.HNE. ML:2.6 0.00033317350000000004 0.2112 AML other m 2021-03-08T13:42:21.64
IV.BRSN.HNN. ML:2.8 0.0005000174 0.2112 AML other m 2021-03-08T13:42:22.22
IV.SEI.HHE. ML:1.7 0.00003595714 0.4992 AML other m 2021-03-08T13:42:24.91
IV.SEI.HHN. ML:1.8 0.000045048195 0.5824 AML other m 2021-03-08T13:42:35.28
IV.ATPI.HNE. ML:1.0 0.000118214985 0.3008 AML other m 2021-03-08T13:42:29.70
IV.ATPI.HNN. ML:1.0 0.0001252199 0.1024 AML other m 2021-03-08T13:42:26.49
IV.APEC.HNE. ML:2.1 0.0009471435 1.4208 AML other m 2021-03-08T13:42:37.09
IV.APEC.HNN. ML:2.1 0.0008689693499999999 0.352 AML other m 2021-03-08T13:42:40.80
IV.CSNT.HHE. ML:1.0 0.000010809279499999999 0.0576 AML other m 2021-03-08T13:42:27.05
IV.CSNT.HHN. ML:1.0 0.0000107400325 0.5056 AML other m 2021-03-08T13:43:02.28
IV.MPAG.HNE. ML:1.6 0.0001604872 0.8384 AML other m 2021-03-08T13:42:48.24
IV.MPAG.HNN. ML:1.7 0.000208145285 0.48 AML other m 2021-03-08T13:42:41.87
IV.CAFI.HNE. ML:1.7 0.000133621 0.6656 AML other m 2021-03-08T13:42:40.43
IV.CAFI.HNN. ML:1.7 0.00014181735500000002 0.7232 AML other m 2021-03-08T13:42:36.19
IV.MGAB.HNE. ML:1.8 0.00013698617000000002 1.2544 AML other m 2021-03-08T13:42:57.02
IV.MGAB.HNN. ML:2.0 0.0001831773 0.7616 AML other m 2021-03-08T13:42:34.45
IV.CSP1.EHE. ML:1.3 0.0000336386495 0.544 AML other m 2021-03-08T13:42:54.79
IV.CSP1.EHN. ML:1.3 0.000041344104999999996 0.1984 AML other m 2021-03-08T13:42:41.99
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