Earthquake with magnitude of ML 0.3 on date 18-12-2020 and time 19:04:32 (Italy) in region 5 km W Gubbio (PG)

A magnitude ML 0.3 earthquake occured in region: 5 km W Gubbio (PG), on

  • 18-12-2020 18:04:32 (UTC)
  • 18-12-2020 19:04:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.36, 12.52 at 5 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.

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
Montone PG 15 1680 37400
Cantiano PU 15 2245 39645
Costacciaro PG 16 1216 40861
Umbertide PG 16 16681 57542
Sigillo PG 19 2404 59946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of Perugia (166134 inhabitants)
48 Km NW of Foligno (57155 inhabitants)
52 Km E of Arezzo (99543 inhabitants)
67 Km SW of Fano (60888 inhabitants)
69 Km SW of Pesaro (94582 inhabitants)
78 Km S of Rimini (147750 inhabitants)
86 Km W of Ancona (100861 inhabitants)
89 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 0.3 2020-12-18
18:04:32
43.36 12.52 5 2021-02-26
14:56:20
Bollettino Sismico Italiano INGV 87384171
Reviewed
Rev100
ML 0.4 2020-12-18
18:04:32
43.36 12.52 6 2020-12-18
18:20:48
Sala Sismica INGV-Roma 85525801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-18 18:04:32 ± 0.14
Latitude 43.36 ± 0.00
Longitude 12.52 ± 0.00
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87384171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 490
Semi-minor axis of confidence ellipse (meter) 35
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 1
Circular confidence region, given by single value of horizontal uncertainty (meter) 490
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 17
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
Epicentral distance of station farthest from the epicenter (degree) 0.1385
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 87384171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-22 18:07:59

ML:0.4

Field Value
Value 0.4
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 85525801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-18 18:20:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ILOS.HHZ. 2020-12-18T18:06:09.67 3.0 undecidable manual Sn -7.02 0
CR.ZAG.BHZ. 2020-12-18T18:05:58.60 3.0 undecidable manual Sn 8.75 0
IV.PAOL.HHZ. 2020-12-18T18:05:28.31 3.0 undecidable manual Sg 11.68 0
IV.RCAV.EHZ. 2020-12-18T18:04:55.03 3.0 undecidable manual Sg -0.01 0
IT.FIE.HGZ. 2020-12-18T18:04:45.45 3.0 positive manual P 0.03 0
IV.T1299.EHZ. 2020-12-18T18:04:40.36 3.0 undecidable manual S 0
IV.FDMO.HHZ. 2020-12-18T18:04:39.39 3.0 undecidable manual S 0
IV.ATPI.EHZ. 2020-12-18T18:04:38.02 0.6 undecidable manual S 317 0.1205 112 0.09 49
IV.ATSC.EHE. 2020-12-18T18:04:38.77 0.6 undecidable manual S 64 0.1385 109 0.18 48
IV.ATBU.EHZ. 2020-12-18T18:04:38.19 0.6 undecidable manual S 12 0.1151 113 0.43 46
IV.TB02.DHZ.01 2020-12-18T18:04:36.65 0.6 undecidable manual S 276 0.0773 122 0.19 49
IV.ATSC.EHE. 2020-12-18T18:04:36.07 0.3 undecidable manual P 64 0.1385 109 -0.14 73
IV.TB03.DHZ.01 2020-12-18T18:04:36.80 0.6 undecidable manual S 297 0.0854 119 0.08 50
IV.ATVO.HHZ. 2020-12-18T18:04:36.64 0.6 undecidable manual S 284 0.0809 121 0.05 50
IV.ATPI.EHZ. 2020-12-18T18:04:35.63 0.3 undecidable manual P 317 0.1205 112 -0.2 72
IV.MURB.HHZ. 2020-12-18T18:04:35.83 0.3 undecidable manual P 176 0.0998 116 0.41 69
IV.T1299.EHZ. 2020-12-18T18:04:35.86 3.0 undecidable manual P 0
IV.ATBU.EHZ. 2020-12-18T18:04:35.75 0.3 undecidable manual P 12 0.1151 113 0.03 75
IV.TB01.DHZ. 2020-12-18T18:04:35.93 0.6 undecidable manual S 288 0.0612 128 -0.01 51
IV.ATFO.HHZ. 2020-12-18T18:04:35.21 0.6 undecidable manual S 85 0.0405 140 -0.17 49
IV.TB03.DHZ.01 2020-12-18T18:04:35.02 0.3 undecidable manual P 297 0.0854 119 -0.11 74
IV.ATVO.HHZ. 2020-12-18T18:04:34.95 0.1 undecidable manual P 284 0.0809 121 -0.1 99
IV.TB01.DHZ. 2020-12-18T18:04:34.61 0.1 undecidable manual P 288 0.0612 128 -0.06 100
IV.ATFO.HHZ. 2020-12-18T18:04:34.20 0.1 undecidable manual P 85 0.0405 140 -0.15 98
IV.TB02.DHZ.01 2020-12-18T18:04:34.93 0.1 undecidable manual P 276 0.0773 122 -0.05 100
IV.MMO1.EHZ. 2020-12-18T18:04:21.34 3.0 undecidable manual S 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHN. ML:1.1 0.00020283805 0.1792 AML other m 2020-12-18T18:04:35.29
IV.ATFO.HHE. ML:0.9 0.0001319376 0.1536 AML other m 2020-12-18T18:04:35.48
IV.ATVO.HHN. ML:0.4 4.7353605E-5 0.1152 AML other m 2020-12-18T18:04:36.77
IV.ATVO.HHE. ML:0.2 2.9401395E-5 1.8208 AML other m 2020-12-18T18:04:36.04
IV.ATPI.EHE. ML:-0.1 9.3742595E-6 0.0224 AML other m 2020-12-18T18:04:37.76
IV.ATPI.EHN. ML:-0.1 1.02232105E-5 0.3328 AML other m 2020-12-18T18:04:38.26
IV.ATPI.HNN. ML:1.1 0.0001670903 0.8352 AML other m 2020-12-18T18:04:38.46
IV.ATPI.HNE. ML:1 0.00011336808 0.8576 AML other m 2020-12-18T18:04:38.98
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download