Earthquake with magnitude of Md 0.7 on date 23-04-2014 and time 20:19:08 (UTC) in region 4 km W Gubbio (PG)

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

  • 23-04-2014 20:19:08 (UTC)
  • 23-04-2014 22:19:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3690, 12.5350 at 4 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 4 32216 32216
Pietralunga PG 11 2111 34327
Scheggia e Pascelupo PG 12 1393 35720
Cantiano PU 14 2245 37965
Costacciaro PG 14 1216 39181
Montone PG 17 1680 40861
Sigillo PG 17 2404 43265
Umbertide PG 18 16681 59946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Perugia (166134 inhabitants)
48 Km N of Foligno (57155 inhabitants)
54 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)
84 Km W of Ancona (100861 inhabitants)
89 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
Bulletin
Rev1000
Md 0.7 2014-04-23
20:19:08
43.369 12.5353 4 2015-09-21
09:36:10
Bollettino Sismico Italiano INGV 6275871
Reviewed
Rev100
Md 0.7 2014-04-23
20:19:08
43.369 12.5353 4 2014-10-21
12:08:56
Sala Sismica INGV-Roma 6271491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-04-23 20:19:08 ± 0.22
Latitude 43.3690 ± 0.0045
Longitude 12.5353 ± 0.0087
Depth (km) 4 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 6275871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 565
Semi-minor axis of confidence ellipse (meter) 485
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.02608
Epicentral distance of station farthest from the epicenter (degree) 0.16637
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:0.7

Field Value
Value 0.7
Uncertainty 0.4
Num. used stations 3
Type of magnitude Md
Reference to an origin 6275871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2014-04-24 07:55:51

Md:0.7

Field Value
Value 0.7
Uncertainty 0.4
Num. used stations 3
Type of magnitude Md
Reference to an origin 6271491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-23 20:39:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2014-04-23T20:19:15.30 0.6 undecidable manual S 360 18.4704 101 0.36 63
IV.PIEI.HHZ. 2014-04-23T20:19:12.03 0.6 undecidable manual P 360 18.4704 101 -0.14 65
IV.ATVO.HHZ. 2014-04-23T20:19:12.29 0.6 undecidable manual S 278 10.4784 109 0.04 68
IV.MURB.HHZ. 2014-04-23T20:19:12.96 0.6 undecidable manual S 184 11.7771 107 0.28 64
IV.ATFO.HHZ. 2014-04-23T20:19:10.06 0.6 undecidable manual S 95 2.8971 141 0.04 69
IV.ATVO.HHZ. 2014-04-23T20:19:10.46 0.3 positive manual P 278 10.4784 109 -0.16 99
IV.MURB.HHZ. 2014-04-23T20:19:10.84 0.6 undecidable manual P 184 11.7771 107 -0.03 68
IV.ATFO.HHZ. 2014-04-23T20:19:09.15 0.3 undecidable manual P 95 2.8971 141 -0.19 100
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