Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 22-12-2013 and time 17:28:00 (Italy) in region 6 km NW Gubbio (PG)

A magnitude ML 1.0 earthquake occured in region: 6 km NW Gubbio (PG), on

  • 22-12-2013 16:28:00 (UTC)
  • 22-12-2013 17:28:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3830, 12.5180 at 10 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
Gubbio PG 6 32216 32216
Pietralunga PG 9 2111 34327
Scheggia e Pascelupo PG 12 1393 35720
Cantiano PU 14 2245 37965
Montone PG 16 1680 39645
Costacciaro PG 16 1216 40861
Umbertide PG 18 16681 57542
Sigillo PG 19 2404 59946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Perugia (166134 inhabitants)
50 Km NW of Foligno (57155 inhabitants)
52 Km E of Arezzo (99543 inhabitants)
65 Km SW of Fano (60888 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
76 Km S of Rimini (147750 inhabitants)
85 Km W of Ancona (100861 inhabitants)
87 Km S of Cesena (96758 inhabitants)
92 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 1.0 2013-12-22
16:28:00		 43.3828 12.5183 10 2015-01-20
11:30:41		 Bollettino Sismico Italiano INGV 6342231
Reviewed
Rev100 		ML 1.0 2013-12-22
16:28:00		 43.3837 12.5238 9 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 5024831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-12-22 16:28:00 ± 0.06
Latitude 43.3828 ± 0.0027
Longitude 12.5183 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 6342231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 265
Semi-minor axis of confidence ellipse (meter) 237
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
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) 90
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.10792
Epicentral distance of station farthest from the epicenter (degree) 0.36243
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 6342231
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:08:22

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 5024831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-12-22 16:38:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FSSB.HHZ. 2013-12-22T16:28:13.85 0.3 undecidable manual S 31 40.2264 50 0.13 71
IV.SNTG.HHZ. 2013-12-22T16:28:12.74 0.3 undecidable manual S 112 36.9297 50 -0.1 72
IV.BADI.EHZ. 2013-12-22T16:28:10.09 0.3 undecidable manual S 303 26.1516 110 0.2 71
IV.ATCC.EHZ. 2013-12-22T16:28:09.58 0.3 undecidable manual S 156 24.0537 112 0.39 69
IV.FOSV.EHZ. 2013-12-22T16:28:08.65 0.3 undecidable manual S 116 21.867 114 0.14 73
IV.FRON.EHZ. 2013-12-22T16:28:08.31 0.3 undecidable manual S 48 22.4553 113 -0.37 69
IV.ATTE.HHZ. 2013-12-22T16:28:08.91 0.3 undecidable manual S 213 24.4533 112 -0.42 68
IV.FSSB.HHZ. 2013-12-22T16:28:07.98 0.3 undecidable manual P 31 40.2264 50 -0.03 72
IV.SNTG.HHZ. 2013-12-22T16:28:07.50 0.1 undecidable manual P 112 36.9297 50 0 97
IV.PIEI.HHZ. 2013-12-22T16:28:06.98 0.3 undecidable manual S 5 16.9719 120 -0.01 75
IV.ATPI.EHZ. 2013-12-22T16:28:05.53 0.3 undecidable manual S 309 11.9769 129 -0.02 76
IV.ATTE.HHZ. 2013-12-22T16:28:05.29 0.1 undecidable manual P 213 24.4533 112 -0.19 96
IV.BADI.EHZ. 2013-12-22T16:28:05.86 0.1 undecidable manual P 303 26.1516 110 0.06 98
IV.FOSV.EHZ. 2013-12-22T16:28:05.00 0.1 undecidable manual P 116 21.867 114 0 100
IV.ATCC.EHZ. 2013-12-22T16:28:05.50 0.1 undecidable manual P 156 24.0537 112 0.1 98
IV.PIEI.HHZ. 2013-12-22T16:28:04.18 0.1 undecidable manual P 5 16.9719 120 0.05 100
IV.FRON.EHZ. 2013-12-22T16:28:04.98 0.3 undecidable manual P 48 22.4553 113 -0.12 73
IV.ATPI.EHZ. 2013-12-22T16:28:03.41 0.1 undecidable manual P 309 11.9769 129 0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHN. ML:1.0 0.0000343 1.22 AML other m 2013-12-22T16:28:14.28
IV.ARVD.HHE. ML:1.1 0.00004825 1.16 AML other m 2013-12-22T16:28:13.17
IV.ATMI.HHE. ML:1.0 0.00007305 1 AML other m 2013-12-22T16:28:08.82
IV.ATMI.HHN. ML:1.0 0.00007755 0.36 AML other m 2013-12-22T16:28:15.10
IV.ATPI.EHN. ML:0.9 0.00009214999999999999 1.18 AML other m 2013-12-22T16:28:06.30
IV.ATPI.EHE. ML:0.9 0.00009695000000000001 1.22 AML other m 2013-12-22T16:28:06.73
IV.ATTE.HHN. ML:0.8 0.00003606 1.34 AML other m 2013-12-22T16:28:10.57
IV.ATTE.HHE. ML:0.8 0.0000365 1.4 AML other m 2013-12-22T16:28:10.45
IV.BADI.EHE. ML:1.4 0.00013350000000000002 0.22 AML other m 2013-12-22T16:28:10.51
IV.BADI.EHN. ML:1.3 0.00011075 0.16 AML other m 2013-12-22T16:28:10.65
IV.FOSV.EHN. ML:0.8 0.0000408 0.44 AML other m 2013-12-22T16:28:08.98
IV.FOSV.EHE. ML:0.7 0.00003095 1.58 AML other m 2013-12-22T16:28:09.85
IV.PIEI.HHE. ML:1.3 0.000186 0.42 AML other m 2013-12-22T16:28:07.74
IV.PIEI.HHN. ML:1.2 0.0001215 0.34 AML other m 2013-12-22T16:28:07.58
IV.SNTG.HHE. ML:0.9 0.0000289 0.6 AML other m 2013-12-22T16:28:14.17
IV.SNTG.HHN. ML:1.1 0.0000505 0.3 AML other m 2013-12-22T16:28:13.00
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