Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 17-09-2014 and time 04:33:49 (Italy) in region 4 km W Pietralunga (PG)

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

  • 17-09-2014 02:33:49 (UTC)
  • 17-09-2014 04:33:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4560, 12.3890 at 8 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 4 2111 2111
Montone PG 11 1680 3791
Apecchio PU 12 1882 5673
Città di Castello PG 12 39913 45586
Umbertide PG 17 16681 62267
Piobbico PU 18 2029 64296
Monte Santa Maria Tiberina PG 18 1183 65479
Gubbio PG 19 32216 97695
Cantiano PU 19 2245 99940

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Perugia (166134 inhabitants)
41 Km E of Arezzo (99543 inhabitants)
61 Km NW of Foligno (57155 inhabitants)
66 Km SW of Pesaro (94582 inhabitants)
67 Km SW of Fano (60888 inhabitants)
69 Km S of Rimini (147750 inhabitants)
77 Km S of Cesena (96758 inhabitants)
87 Km E of Siena (53903 inhabitants)
90 Km SE of Forlì (117913 inhabitants)
93 Km W of Ancona (100861 inhabitants)
98 Km E of Firenze (382808 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 2014-09-17
02:33:49		 43.4558 12.389 8 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 8381771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-09-17 02:33:49 ± 0.15
Latitude 43.4558 ± 0.0036
Longitude 12.3890 ± 0.0050
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 8381771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 389
Semi-minor axis of confidence ellipse (meter) 200
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 119
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.01079
Epicentral distance of station farthest from the epicenter (degree) 0.25181
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
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 8381771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-09-17 02:37:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2014-09-17T02:33:59.28 0.3 undecidable manual S 76 27.9498 106 -0.2 70
IV.NARO.HHZ. 2014-09-17T02:33:57.70 0.3 undecidable manual S 42 23.0547 109 -0.16 71
IV.ATFO.HHZ. 2014-09-17T02:33:56.21 0.3 undecidable manual S 124 17.7711 114 0.09 73
IV.PIEI.HHZ. 2014-09-17T02:33:55.62 0.3 undecidable manual S 53 14.6742 118 0.44 68
IV.APEC.HHZ. 2014-09-17T02:33:54.54 0.3 undecidable manual S 12 11.6772 124 0.27 71
IV.BADI.EHZ. 2014-09-17T02:33:54.65 0.3 undecidable manual S 297 13.0758 121 -0.04 75
IV.NARO.HHZ. 2014-09-17T02:33:54.08 0.1 undecidable manual P 42 23.0547 109 -0.21 94
IV.FRON.EHZ. 2014-09-17T02:33:54.98 0.1 undecidable manual P 76 27.9498 106 -0.24 93
IV.ATFO.HHZ. 2014-09-17T02:33:53.38 0.3 undecidable manual P 124 17.7711 114 0.09 73
IV.ATVO.HHZ. 2014-09-17T02:33:53.50 0.3 undecidable manual S 170 8.2806 133 0.15 74
IV.PIEI.HHZ. 2014-09-17T02:33:52.89 0.1 undecidable manual P 53 14.6742 118 0.15 97
IV.APEC.HHZ. 2014-09-17T02:33:52.31 0.1 undecidable manual P 12 11.6772 124 0.09 99
IV.BADI.EHZ. 2014-09-17T02:33:52.45 0.1 negative manual P 297 13.0758 121 -0.01 100
IV.ATVO.HHZ. 2014-09-17T02:33:51.82 0.1 negative manual P 170 8.2806 133 0.14 98
IV.ATPI.EHZ. 2014-09-17T02:33:51.80 0.3 undecidable manual S 118 1.1988 171 -0.34 71
IV.ATPI.EHZ. 2014-09-17T02:33:50.84 0.1 undecidable manual P 118 1.1988 171 -0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APEC.HHN. ML:0.4 0.000037000000000000005 0.28 AML other m 2014-09-17T02:33:54.76
IV.APEC.HHE. ML:0.5 0.000043650000000000004 0.7 AML other m 2014-09-17T02:33:54.89
IV.ATVO.HHN. ML:0.9 0.000121 0.32 AML other m 2014-09-17T02:33:53.95
IV.ATVO.HHE. ML:0.9 0.0001395 0.2 AML other m 2014-09-17T02:33:53.93
IV.BADI.EHN. ML:0.8 0.00008185 0.12 AML other m 2014-09-17T02:33:54.97
IV.BADI.EHE. ML:0.9 0.0000981 0.1 AML other m 2014-09-17T02:33:55.07
IV.NARO.HHE. ML:0.4 0.00001745 1.24 AML other m 2014-09-17T02:33:57.79
IV.NARO.HHN. ML:0.4 0.00001415 1.26 AML other m 2014-09-17T02:33:59.45
IV.PIEI.HHE. ML:0.7 0.000051250000000000006 0.14 AML other m 2014-09-17T02:33:56.12
IV.PIEI.HHN. ML:0.6 0.000041599999999999995 0.12 AML other m 2014-09-17T02:33:56.11
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