Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 23-04-2014 and time 12:14:57 (UTC) in region 4 km W Gubbio (PG)

A magnitude ML 0.7 earthquake occured in region: 4 km W Gubbio (PG), on

  • 23-04-2014 12:14:57 (UTC)
  • 23-04-2014 14:14:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3480, 12.5320 at 7 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 4 32216 32216
Scheggia e Pascelupo PG 13 1393 33609
Pietralunga PG 13 2111 35720
Costacciaro PG 15 1216 36936
Cantiano PU 16 2245 39181
Montone PG 17 1680 40861
Sigillo PG 17 2404 43265
Umbertide PG 17 16681 59946
Fossato di Vico PG 20 2840 62786

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Perugia (166134 inhabitants)
46 Km NW of Foligno (57155 inhabitants)
54 Km E of Arezzo (99543 inhabitants)
68 Km SW of Fano (60888 inhabitants)
70 Km SW of Pesaro (94582 inhabitants)
80 Km S of Rimini (147750 inhabitants)
85 Km W of Ancona (100861 inhabitants)
88 Km N of Terni (111501 inhabitants)
91 Km S of Cesena (96758 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
Bulletin
Rev1000 		ML 0.7 2014-04-23
12:14:57		 43.3477 12.5325 7 2015-09-21
09:36:10		 Bollettino Sismico Italiano INGV 6275251
Reviewed
Rev100 		ML 0.6 2014-04-23
12:14:57		 43.3477 12.5325 7 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 6267071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-04-23 12:14:57 ± 0.11
Latitude 43.3477 ± 0.0027
Longitude 12.5325 ± 0.0037
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 6275251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 379
Semi-minor axis of confidence ellipse (meter) 52
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 52
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.03417
Epicentral distance of station farthest from the epicenter (degree) 0.31117
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 6275251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2014-04-24 07:17:09

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 6267071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-23 12:21:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2014-04-23T12:15:09.14 0.6 undecidable manual S 107 34.5432 101 -0.23 46
IV.PIEI.HHZ. 2014-04-23T12:15:05.07 0.6 undecidable manual S 1 20.868 108 0.29 47
IV.SNTG.HHZ. 2014-04-23T12:15:04.58 1.0 undecidable manual P 107 34.5432 101 0.37 22
IV.ATPI.EHZ. 2014-04-23T12:15:03.15 0.6 undecidable manual S 317 15.5733 114 0.1 49
IV.NARO.HHZ. 2014-04-23T12:15:02.95 1.0 undecidable manual P 8 29.4483 103 -0.27 23
IV.MURB.HHZ. 2014-04-23T12:15:01.35 0.6 undecidable manual S 184 9.3795 126 0.15 49
IV.PIEI.HHZ. 2014-04-23T12:15:01.56 0.6 undecidable manual P 1 20.868 108 0 50
IV.ATVO.HHZ. 2014-04-23T12:15:01.44 0.6 undecidable manual S 291 10.878 122 -0.18 49
IV.ATPI.EHZ. 2014-04-23T12:15:00.52 0.6 undecidable manual P 317 15.5733 114 -0.04 50
IV.ATVO.HHZ. 2014-04-23T12:14:59.66 0.1 undecidable manual P 291 10.878 122 -0.07 99
IV.ATFO.HHZ. 2014-04-23T12:14:59.86 0.6 undecidable manual S 56 3.7962 151 -0.03 51
IV.MURB.HHZ. 2014-04-23T12:14:59.55 0.1 undecidable manual P 184 9.3795 126 0.06 100
IV.ATFO.HHZ. 2014-04-23T12:14:58.67 0.3 undecidable manual P 56 3.7962 151 -0.06 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHN. ML:0.3 0.000021509 0.24 AML other m 2014-04-23T12:15:03.41
IV.ATPI.EHE. ML:0.4 0.000026929999999999998 1.08 AML other m 2014-04-23T12:15:04.02
IV.ATVO.HHN. ML:0.8 0.0000727 0.16 AML other m 2014-04-23T12:15:02.61
IV.ATVO.HHE. ML:0.8 0.00007280000000000001 0.18 AML other m 2014-04-23T12:15:02.67
IV.MURB.HHE. ML:1.2 0.00020600000000000002 2.22 AML other m 2014-04-23T12:15:02.45
IV.MURB.HHN. ML:1.0 0.000162 1.74 AML other m 2014-04-23T12:15:04.98
IV.PIEI.HHE. ML:0.7 0.000033600000000000004 1.56 AML other m 2014-04-23T12:15:06.86
IV.PIEI.HHN. ML:0.3 0.00001675 1.5 AML other m 2014-04-23T12:15:12.94
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