Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 24-11-2020 and time 18:22:54 (Italy) in region 5 km SE Giano dell'Umbria (PG)

A magnitude ML 0.7 earthquake occured in region: 5 km SE Giano dell'Umbria (PG), on

  • 24-11-2020 17:22:54 (UTC)
  • 24-11-2020 18:22:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8010, 12.6140 at 7 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
Giano dell'Umbria PG 5 3846 3846
Castel Ritaldi PG 5 3278 7124
Massa Martana PG 8 3770 10894
Montefalco PG 11 5679 16573
Spoleto PG 13 38218 54791
Gualdo Cattaneo PG 13 6155 60946
Acquasparta TR 13 4778 65724
Campello sul Clitunno PG 14 2442 68166
Trevi PG 14 8469 76635
Bevagna PG 15 5081 81716
Todi PG 17 16851 98567
Collazzone PG 18 3473 102040
Foligno PG 19 57155 159195
Montecastrilli TR 20 5022 164217
Sant'Anatolia di Narco PG 20 564 164781

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SW of Foligno (57155 inhabitants)
27 Km N of Terni (111501 inhabitants)
39 Km SE of Perugia (166134 inhabitants)
60 Km NE of Viterbo (67173 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
90 Km N of Guidonia Montecelio (88673 inhabitants)
91 Km W of Teramo (54892 inhabitants)
94 Km N of Tivoli (56533 inhabitants)
95 Km SE of Arezzo (99543 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 0.7 2020-11-24
17:22:54		 42.8012 12.6143 7 2020-11-24
17:32:48		 Sala Sismica INGV-Roma 84985171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-24 17:22:54 ± 0.08
Latitude 42.8012 ± 0.0045
Longitude 12.6143 ± 0.0074
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84985171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 595
Semi-minor axis of confidence ellipse (meter) 463
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 268
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53420
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 84985171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-24 17:32:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.VLO.HHZ. 2020-11-24T17:24:30.42 3.0 positive manual Pg 17.01 0
IV.SARZ.HHZ. 2020-11-24T17:24:26.73 3.0 undecidable manual Sg 13.41 0
XK.GIZZ.HHZ. 2020-11-24T17:24:17.06 3.0 positive manual Pg 13.29 0
IV.ERC.EHZ. 2020-11-24T17:24:05.39 3.0 undecidable manual Pn -1.19 0
IV.SGTA.HHZ. 2020-11-24T17:24:02.15 3.0 undecidable manual Sn -9.99 0
IV.VARE.HHZ. 2020-11-24T17:23:52.25 3.0 undecidable manual Pg 8.94 0
IV.SGO.HHZ. 2020-11-24T17:23:45.10 3.0 undecidable manual Pg 4.8 0
IV.BDI.HHZ. 2020-11-24T17:23:41.51 3.0 undecidable manual Sg 3.13 0
IV.LRP.EHZ. 2020-11-24T17:23:36.54 3.0 undecidable manual Sn -8.63 0
IV.PCN.EHZ. 2020-11-24T17:23:31.46 3.0 positive manual Pg 2.46 0
IV.IMOL.HNZ. 2020-11-24T17:23:21.70 3.0 undecidable manual S -4.7 0
IV.FIR.HHZ. 2020-11-24T17:23:19.91 3.0 undecidable manual S -4.79 0
IV.MML1.HNN. 2020-11-24T17:23:10.56 0.6 undecidable manual S 40 45.2214 50 0.2 46
IV.FDMO.HHZ. 2020-11-24T17:23:10.48 0.6 undecidable manual S 56 46.4202 50 -0.22 45
IV.CESI.HHZ. 2020-11-24T17:23:06.41 0.6 undecidable manual S 46 32.6451 102 -0.14 47
IV.ATVA.EHN. 2020-11-24T17:23:05.76 0.1 undecidable manual P 333 59.2962 50 -0.26 88
IV.MML1.HNN. 2020-11-24T17:23:04.49 0.1 undecidable manual P 40 45.2214 50 0.64 81
IV.ARRO.EHZ. 2020-11-24T17:23:04.75 0.6 undecidable manual S 153 27.5502 104 -0.07 48
IV.ASSB.HHZ. 2020-11-24T17:23:04.88 0.6 undecidable manual S 8 27.0507 105 0.24 47
IV.CESX.HHZ. 2020-11-24T17:23:03.12 0.6 undecidable manual S 186 21.4674 108 0.32 46
IV.MGAB.HHE. 2020-11-24T17:23:03.36 0.1 undecidable manual P 287 42.624 50 -0.1 94
IV.FDMO.HHZ. 2020-11-24T17:23:03.89 0.1 undecidable manual P 56 46.4202 50 -0.15 92
IV.CESI.HHZ. 2020-11-24T17:23:01.24 0.1 undecidable manual P 46 32.6451 102 -0.41 89
IV.ASSB.HHZ. 2020-11-24T17:23:00.74 0.1 undecidable manual P 8 27.0507 105 0.19 94
IV.ARRO.EHZ. 2020-11-24T17:23:00.85 0.6 positive manual P 153 27.5502 104 0.2 47
IV.CESX.HHZ. 2020-11-24T17:22:59.13 0.6 undecidable manual P 186 21.4674 108 -0.35 46
IV.BRSN.HNZ. 2020-11-24T17:22:57.91 3.0 undecidable manual P -6.83 0
IV.MOMA.HHZ. 2020-11-24T17:22:57.58 0.6 undecidable manual S 275 3.5964 153 -0.12 50
IT.GNU.HGE. 2020-11-24T17:22:57.69 0.6 undecidable manual S 275 3.5964 153 -0.01 51
IT.GNU.HGE. 2020-11-24T17:22:56.64 0.1 undecidable manual P 275 3.5964 153 0.1 100
IV.MOMA.HHZ. 2020-11-24T17:22:56.56 0.6 undecidable manual P 275 3.5964 153 0.02 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHN. ML:1.0 0.00007445000000000001 0.42 AML other m 2020-11-24T17:23:04.16
IV.CESX.HHE. ML:1.0 0.00006355 0.98 AML other m 2020-11-24T17:23:05.16
IV.MOMA.HHE. ML:0.0 0.001527797 0.1792 AML other m 2020-11-24T17:22:57.93
IV.MOMA.HNE. ML:0.0 0.0014440955 0.192 AML other m 2020-11-24T17:22:57.94
IV.ASSB.HHE. ML:0.6 0.000024154749999999998 0.1408 AML other m 2020-11-24T17:23:05.42
IV.ASSB.HHN. ML:0.6 0.000025236895000000002 0.2816 AML other m 2020-11-24T17:23:06.90
IV.ARRO.EHE. ML:0.7 0.000026424699999999998 0.2176 AML other m 2020-11-24T17:23:05.98
IV.ARRO.EHN. ML:0.8 0.000034146655 0.2816 AML other m 2020-11-24T17:23:06.05
IV.CESI.HHE. ML:0.7 0.0000230088525 2.9056 AML other m 2020-11-24T17:23:06.13
IV.CESI.HHN. ML:0.6 0.0000211774205 1.1008 AML other m 2020-11-24T17:23:06.64
IV.FDMO.HHE. ML:0.5 0.0000079080495 0.8832 AML other m 2020-11-24T17:23:11.13
IV.FDMO.HHN. ML:0.7 0.000013619800000000001 1.2032 AML other m 2020-11-24T17:23:11.20
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