Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 17-09-2014 and time 04:36:56 (Italy) in region 5 km W Pietralunga (PG)

A magnitude ML 0.9 earthquake occured in region: 5 km W Pietralunga (PG), on

  • 17-09-2014 02:36:56 (UTC)
  • 17-09-2014 04:36:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4550, 12.3780 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 5 2111 2111
Montone PG 11 1680 3791
Città di Castello PG 11 39913 43704
Apecchio PU 12 1882 45586
Umbertide PG 17 16681 62267
Monte Santa Maria Tiberina PG 17 1183 63450
Piobbico PU 19 2029 65479
San Giustino PG 19 11297 76776
Gubbio PG 20 32216 108992

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Perugia (166134 inhabitants)
40 Km E of Arezzo (99543 inhabitants)
61 Km NW of Foligno (57155 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
68 Km SW of Fano (60888 inhabitants)
69 Km S of Rimini (147750 inhabitants)
77 Km S of Cesena (96758 inhabitants)
86 Km E of Siena (53903 inhabitants)
90 Km SE of Forlì (117913 inhabitants)
94 Km W of Ancona (100861 inhabitants)
97 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 0.9 2014-09-17
02:36:56		 43.4547 12.3775 10 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 8381891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-09-17 02:36:56 ± 0.08
Latitude 43.4547 ± 0.0036
Longitude 12.3775 ± 0.0062
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 8381891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 495
Semi-minor axis of confidence ellipse (meter) 345
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) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33005
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 15
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 8381891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-09-17 02:44:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2014-09-17T02:37:16.99 3.0 undecidable manual S -0.54 0
IV.ATCC.EHZ. 2014-09-17T02:37:10.01 0.6 undecidable manual S 145 36.6411 50 0.71 40
IV.MPAG.EHZ. 2014-09-17T02:37:09.45 0.3 undecidable manual S 58 36.3414 50 0.23 70
IV.FOSV.EHZ. 2014-09-17T02:37:09.24 0.3 undecidable manual S 120 35.6421 50 0.2 70
IV.MURB.HHZ. 2014-09-17T02:37:06.06 0.3 undecidable manual S 151 24.3534 111 0.25 71
IV.FRON.EHZ. 2014-09-17T02:37:06.91 0.3 undecidable manual S 76 28.8489 50 -0.32 69
IV.ATTE.HHZ. 2014-09-17T02:37:06.57 0.3 undecidable manual S 184 28.5492 50 -0.57 65
IV.NARO.HHZ. 2014-09-17T02:37:05.26 0.3 undecidable manual S 43 23.754 112 -0.38 69
IV.ARVD.HHZ. 2014-09-17T02:37:05.41 3.0 negative manual P 0.66 0
IV.ATCC.EHZ. 2014-09-17T02:37:04.09 0.6 positive manual P 145 36.6411 50 0.1 48
IV.CAFI.HHZ. 2014-09-17T02:37:04.01 3.0 undecidable manual P 0.12 0
IV.PE3.EHZ. 2014-09-17T02:37:03.00 0.6 undecidable manual P 20 28.4493 50 0.28 47
IV.PIEI.HHZ. 2014-09-17T02:37:03.44 0.3 undecidable manual S 55 15.5733 122 0.38 70
IV.MPAG.EHZ. 2014-09-17T02:37:03.83 0.1 undecidable manual P 58 36.3414 50 -0.11 95
IV.ATFO.HHZ. 2014-09-17T02:37:03.97 0.3 undecidable manual S 122 18.4704 117 0.03 75
IV.FOSV.EHZ. 2014-09-17T02:37:03.82 0.1 undecidable manual P 120 35.6421 50 -0.02 97
IV.APEC.HHZ. 2014-09-17T02:37:02.17 0.3 undecidable manual S 16 11.9769 129 0.11 75
IV.BADI.EHZ. 2014-09-17T02:37:02.37 0.3 undecidable manual S 300 12.3765 128 0.22 73
IV.FRON.EHZ. 2014-09-17T02:37:02.55 0.3 undecidable manual P 76 28.8489 50 -0.25 71
IV.ATTE.HHZ. 2014-09-17T02:37:02.59 0.3 undecidable manual P 184 28.5492 50 -0.15 72
IV.MURB.HHZ. 2014-09-17T02:37:02.03 0.1 undecidable manual P 151 24.3534 111 0.06 99
IV.ATVO.HHZ. 2014-09-17T02:37:01.19 0.3 undecidable manual S 164 8.3805 139 0.04 76
IV.NARO.HHZ. 2014-09-17T02:37:01.67 0.3 undecidable manual P 43 23.754 112 -0.2 72
IV.PARC.HHZ. 2014-09-17T02:37:01.99 1.0 undecidable manual S 0.26 0.44
IV.ATFO.HHZ. 2014-09-17T02:37:00.96 0.1 positive manual P 122 18.4704 117 0.07 99
IV.BADI.EHZ. 2014-09-17T02:37:00.04 0.3 undecidable manual P 300 12.3765 128 0.18 74
IV.PIEI.HHZ. 2014-09-17T02:37:00.48 0.3 undecidable manual P 55 15.5733 122 0.09 74
IV.ATPI.EHZ. 2014-09-17T02:36:59.48 0.3 undecidable manual S 103 1.998 168 -0.65 66
IV.APEC.HHZ. 2014-09-17T02:36:59.94 0.3 undecidable manual P 16 11.9769 129 0.13 74
IV.ATVO.HHZ. 2014-09-17T02:36:59.40 0.1 undecidable manual P 164 8.3805 139 0.12 100
IV.ATPI.EHZ. 2014-09-17T02:36:58.50 0.1 undecidable manual P 103 1.998 168 -0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHN. ML:0.8 0.00001835 1.28 AML other m 2014-09-17T02:37:12.37
IV.ARVD.HHE. ML:0.7 0.0000161 0.96 AML other m 2014-09-17T02:37:13.34
IV.ATFO.HHN. ML:1.0 0.00008374999999999999 1.5 AML other m 2014-09-17T02:37:04.09
IV.ATFO.HHE. ML:1.0 0.0000781 0.82 AML other m 2014-09-17T02:37:04.58
IV.ATTE.HHN. ML:0.7 0.000026700000000000002 1.22 AML other m 2014-09-17T02:37:07.67
IV.ATTE.HHE. ML:0.7 0.0000251 0.3 AML other m 2014-09-17T02:37:09.12
IV.ATVO.HHE. ML:1.5 0.000482 0.22 AML other m 2014-09-17T02:37:01.54
IV.ATVO.HHN. ML:1.5 0.000443 0.62 AML other m 2014-09-17T02:37:01.34
IV.CAFI.HHN. ML:0.4 0.000010759999999999999 1.36 AML other m 2014-09-17T02:37:11.84
IV.CAFI.HHE. ML:0.4 0.00001235 1.5 AML other m 2014-09-17T02:37:13.63
IV.FRON.EHN. ML:1.2 0.00008715 1.5 AML other m 2014-09-17T02:37:07.32
IV.FRON.EHE. ML:0.8 0.00003229999999999999 0.66 AML other m 2014-09-17T02:37:07.88
IV.MURB.HHE. ML:1.4 0.000136 0.32 AML other m 2014-09-17T02:37:08.64
IV.MURB.HHN. ML:1.4 0.0001375 0.3 AML other m 2014-09-17T02:37:06.32
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