Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 08-04-2014 and time 02:51:20 (UTC) in region 7 km E Pietralunga (PG)

A magnitude ML 0.7 earthquake occured in region: 7 km E Pietralunga (PG), on

  • 08-04-2014 02:51:20 (UTC)
  • 08-04-2014 04:51:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4420, 12.5210 at 10 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 7 2111 2111
Cantiano PU 9 2245 4356
Gubbio PG 11 32216 36572
Scheggia e Pascelupo PG 13 1393 37965
Apecchio PU 15 1882 39847
Cagli PU 16 8731 48578
Piobbico PU 16 2029 50607
Montone PG 18 1680 52287
Costacciaro PG 18 1216 53503
Frontone PU 19 1300 54803

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Perugia (166134 inhabitants)
52 Km E of Arezzo (99543 inhabitants)
56 Km N of Foligno (57155 inhabitants)
60 Km SW of Fano (60888 inhabitants)
61 Km SW of Pesaro (94582 inhabitants)
69 Km S of Rimini (147750 inhabitants)
81 Km S of Cesena (96758 inhabitants)
83 Km W of Ancona (100861 inhabitants)
95 Km SE of Forlì (117913 inhabitants)
97 Km E of Siena (53903 inhabitants)
98 Km N of Terni (111501 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 2014-04-08
02:51:20		 43.4422 12.5212 10 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 6096121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-04-08 02:51:20 ± 0.17
Latitude 43.4422 ± 0.0027
Longitude 12.5212 ± 0.0050
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 6096121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 357
Semi-minor axis of confidence ellipse (meter) 287
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 130
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.13315
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 6096121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-08 02:59:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HNZ. 2014-04-08T02:51:46.99 3.0 undecidable manual Sg 125.7741 6.49 0
IV.FIAM.HHZ. 2014-04-08T02:51:40.99 3.0 undecidable manual Sg 0.55 0
IV.RMP.HHZ. 2014-04-08T02:51:39.99 3.0 undecidable manual Sn -8.54 0
IV.FRON.EHZ. 2014-04-08T02:51:27.43 1.0 undecidable manual S 63 18.4704 119 0.06 25
IV.NARO.HHZ. 2014-04-08T02:51:27.51 0.1 undecidable manual S 14 19.2696 118 -0.11 100
IV.ATVO.HHZ. 2014-04-08T02:51:25.24 1.0 undecidable manual S 234 11.3775 132 -0.12 25
IV.PIEI.HHZ. 2014-04-08T02:51:25.31 1.0 undecidable manual S 6 10.4784 135 0.19 25
IV.ATPI.EHZ. 2014-04-08T02:51:24.95 0.6 undecidable manual S 276 9.5793 137 0.03 52
IV.FRON.EHZ. 2014-04-08T02:51:24.39 1.0 undecidable manual P 63 18.4704 119 0.12 25
IV.NARO.HHZ. 2014-04-08T02:51:24.42 1.0 undecidable manual P 14 19.2696 118 0.01 26
IV.PIEI.HHZ. 2014-04-08T02:51:23.18 1.0 undecidable manual P 6 10.4784 135 0.21 25
IV.ATVO.HHZ. 2014-04-08T02:51:23.11 0.6 negative manual P 234 11.3775 132 0.01 52
IV.ATFO.HHZ. 2014-04-08T02:51:22.73 0.6 undecidable manual P 154 9.2796 138 -0.08 51
IV.ATPI.EHZ. 2014-04-08T02:51:22.93 1.0 negative manual P 276 9.5793 137 0.08 26
IV.GUMA.HNZ. 2014-04-08T02:51:19.39 3.0 undecidable manual P 125.7741 1.49 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHN. ML:0.6 0.00005495 1.54 AML other m 2014-04-08T02:51:54.06
IV.ATFO.HHE. ML:0.6 0.000048599999999999995 1.36 AML other m 2014-04-08T02:51:55.46
IV.ATVO.HHN. ML:0.5 0.00004155 0.3 AML other m 2014-04-08T02:51:54.57
IV.ATVO.HHE. ML:0.7 0.00005395 0.46 AML other m 2014-04-08T02:51:54.65
IV.NARO.HHE. ML:0.7 0.0000337 0.16 AML other m 2014-04-08T02:51:56.96
IV.NARO.HHN. ML:0.6 0.00003025 0.04 AML other m 2014-04-08T02:51:57.01
IV.PIEI.HHE. ML:0.9 0.000093 0.2 AML other m 2014-04-08T02:51:55.21
IV.PIEI.HHN. ML:0.8 0.0000702 0.62 AML other m 2014-04-08T02:51:54.90
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