Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 09-04-2014 and time 13:17:25 (UTC) in region 7 km E Pietralunga (PG)

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

  • 09-04-2014 13:17:25 (UTC)
  • 09-04-2014 15:17:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4390, 12.5210 at 9 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 10 2245 4356
Gubbio PG 11 32216 36572
Scheggia e Pascelupo PG 13 1393 37965
Apecchio PU 16 1882 39847
Cagli PU 16 8731 48578
Piobbico PU 17 2029 50607
Montone PG 18 1680 52287
Costacciaro PG 18 1216 53503
Frontone PU 20 1300 54803

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 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 		Md 1.1
ML 0.7 		2014-04-09
13:17:25		 43.439 12.5208 9 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 6113581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-04-09 13:17:25 ± 0.16
Latitude 43.4390 ± 0.0064
Longitude 12.5208 ± 0.0107
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 6113581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1052
Semi-minor axis of confidence ellipse (meter) 175
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 128
Circular confidence region, given by single value of horizontal uncertainty (meter) 1050.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 222
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.08723
Epicentral distance of station farthest from the epicenter (degree) 0.29318
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 6113581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-09 13:28:14

Md:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 4
Type of magnitude Md
Reference to an origin 6113581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-09 13:28:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PARC.HHZ. 2014-04-09T13:17:36.77 0.3 undecidable manual S 316 32.5452 50 0.11 86
IV.NARO.HHZ. 2014-04-09T13:17:32.32 0.3 undecidable manual S 14 19.6692 114 -0.16 86
IV.PARC.HHZ. 2014-04-09T13:17:31.67 0.1 undecidable manual P 316 32.5452 50 -0.07 114
IV.PIEI.HHZ. 2014-04-09T13:17:29.94 0.3 undecidable manual S 6 10.7781 129 0.11 86
IV.NARO.HHZ. 2014-04-09T13:17:29.24 0.1 undecidable manual P 14 19.6692 114 -0.09 114
IV.ATPI.EHZ. 2014-04-09T13:17:29.46 0.3 undecidable manual S 278 9.6792 132 -0.08 86
IV.ATVO.HHZ. 2014-04-09T13:17:29.84 0.3 undecidable manual S 236 11.1777 128 -0.1 86
IV.ATPI.EHZ. 2014-04-09T13:17:27.72 0.1 undecidable manual P 278 9.6792 132 0.09 114
IV.ATVO.HHZ. 2014-04-09T13:17:27.89 0.1 undecidable manual P 236 11.1777 128 0.03 114
IV.PIEI.HHZ. 2014-04-09T13:17:27.95 0.1 undecidable manual P 6 10.7781 129 0.15 114
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:0.6 0.0000552 1.66 AML other m 2014-04-09T13:17:30.96
IV.ATVO.HHE. ML:0.7 0.00006520000000000001 0.74 AML other m 2014-04-09T13:17:30.40
IV.PIEI.HHN. ML:0.7 0.00006515 2.24 AML other m 2014-04-09T13:17:30.44
IV.PIEI.HHE. ML:0.9 0.0001015 0.12 AML other m 2014-04-09T13:17:31.69
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