Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 25-04-2014 and time 01:22:02 (UTC) in region 8 km E Pietralunga (PG)

A magnitude ML 0.7 earthquake occured in region: 8 km E Pietralunga (PG), on

  • 25-04-2014 01:22:02 (UTC)
  • 25-04-2014 03:22:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4320, 12.5360 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
Pietralunga PG 8 2111 2111
Cantiano PU 9 2245 4356
Gubbio PG 9 32216 36572
Scheggia e Pascelupo PG 11 1393 37965
Cagli PU 16 8731 46696
Costacciaro PG 16 1216 47912
Apecchio PU 17 1882 49794
Piobbico PU 18 2029 51823
Montone PG 18 1680 53503
Frontone PU 19 1300 54803

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NE of Perugia (166134 inhabitants)
53 Km E of Arezzo (99543 inhabitants)
55 Km N of Foligno (57155 inhabitants)
60 Km SW of Fano (60888 inhabitants)
61 Km SW of Pesaro (94582 inhabitants)
70 Km S of Rimini (147750 inhabitants)
82 Km SE of Cesena (96758 inhabitants)
82 Km W of Ancona (100861 inhabitants)
97 Km SE of Forlì (117913 inhabitants)
97 Km N of Terni (111501 inhabitants)
98 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
Reviewed
Rev100 		ML 0.7 2014-04-25
01:22:02		 43.4322 12.5355 7 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 6287011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-04-25 01:22:02 ± 0.16
Latitude 43.4322 ± 0.0027
Longitude 12.5355 ± 0.0050
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 6287011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 84
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
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) 148
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.07015
Epicentral distance of station farthest from the epicenter (degree) 0.22483
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 6287011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-25 01:32:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BADI.EHZ. 2014-04-25T01:22:10.94 0.6 undecidable manual S 290 24.9528 105 -0.12 48
IV.NARO.HHZ. 2014-04-25T01:22:09.34 0.3 undecidable manual S 10 20.1687 108 -0.12 72
IV.MURB.HHZ. 2014-04-25T01:22:09.37 0.6 undecidable manual S 183 18.7701 110 0.36 46
IV.BADI.EHZ. 2014-04-25T01:22:07.10 1.0 undecidable manual P 290 24.9528 105 -0.17 24
IV.ATPI.EHZ. 2014-04-25T01:22:06.61 0.6 undecidable manual S 281 10.878 122 0.07 49
IV.NARO.HHZ. 2014-04-25T01:22:06.21 0.3 undecidable manual P 10 20.1687 108 -0.13 72
IV.ATVO.HHZ. 2014-04-25T01:22:06.73 0.6 undecidable manual S 242 11.7771 120 -0.06 50
IV.MURB.HHZ. 2014-04-25T01:22:06.23 1.0 positive manual P 183 18.7701 110 0.15 24
IV.PIEI.HHZ. 2014-04-25T01:22:06.98 0.6 undecidable manual S 360 11.4774 120 0.28 47
IV.ATFO.HHZ. 2014-04-25T01:22:05.39 0.6 undecidable manual S 158 7.7811 131 -0.27 48
IV.ATVO.HHZ. 2014-04-25T01:22:04.74 0.1 undecidable manual P 242 11.7771 120 -0.06 99
IV.PIEI.HHZ. 2014-04-25T01:22:04.91 0.1 undecidable manual P 360 11.4774 120 0.16 97
IV.ATFO.HHZ. 2014-04-25T01:22:04.10 0.1 negative manual P 158 7.7811 131 -0.05 100
IV.ATPI.EHZ. 2014-04-25T01:22:04.68 0.1 undecidable manual P 281 10.878 122 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHE. ML:0.6 0.0000814 0.2 AML other m 2014-04-25T01:22:06.47
IV.ATFO.HHN. ML:0.7 0.00009045 0.48 AML other m 2014-04-25T01:22:07.55
IV.ATPI.EHN. ML:0.8 0.00007950000000000001 0.5 AML other m 2014-04-25T01:22:07.91
IV.ATPI.EHE. ML:0.6 0.00005345 1.28 AML other m 2014-04-25T01:22:07.90
IV.ATVO.HHE. ML:0.5 0.000040900000000000005 0.12 AML other m 2014-04-25T01:22:07.23
IV.ATVO.HHN. ML:0.5 0.00003765 0.74 AML other m 2014-04-25T01:22:07.01
IV.MURB.HHN. ML:0.9 0.00006735000000000001 1.62 AML other m 2014-04-25T01:22:10.00
IV.MURB.HHE. ML:0.8 0.00005925 1.06 AML other m 2014-04-25T01:22:11.98
IV.PIEI.HHN. ML:0.6 0.000048049999999999996 0.14 AML other m 2014-04-25T01:22:08.52
IV.PIEI.HHE. ML:0.9 0.00009784999999999999 0.14 AML other m 2014-04-25T01:22:08.72
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