Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.0 on date 03-03-2017 and time 12:17:09 (UTC) in region 7 km W Pietralunga (PG)

A magnitude ML 0.0 earthquake occured in region: 7 km W Pietralunga (PG), on

  • 03-03-2017 12:17:09 (UTC)
  • 03-03-2017 13:17:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4540, 12.3510 at 5 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Città di Castello PG 9 39913 42024
Montone PG 10 1680 43704
Apecchio PU 13 1882 45586
Monte Santa Maria Tiberina PG 15 1183 46769
Umbertide PG 17 16681 63450
San Giustino PG 18 11297 74747
Citerna PG 20 3531 78278
Monterchi AR 20 1757 80035
Piobbico PU 20 2029 82064

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Arezzo (99543 inhabitants)
39 Km N of Perugia (166134 inhabitants)
62 Km NW of Foligno (57155 inhabitants)
68 Km SW of Pesaro (94582 inhabitants)
69 Km SW of Fano (60888 inhabitants)
70 Km S of Rimini (147750 inhabitants)
76 Km S of Cesena (96758 inhabitants)
84 Km E of Siena (53903 inhabitants)
89 Km S of Forlì (117913 inhabitants)
95 Km E of Firenze (382808 inhabitants)
96 Km W of Ancona (100861 inhabitants)
100 Km SE of Faenza (58541 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
Bulletin
Rev1000 		ML 0.0 2017-03-03
12:17:09		 43.4545 12.3512 5 2018-01-10
09:55:05		 Bollettino Sismico Italiano INGV 50494821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-03 12:17:09 ± 0.21
Latitude 43.4545 ± 0.0063
Longitude 12.3512 ± 0.0087
Depth (km) 5 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50494821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 780
Semi-minor axis of confidence ellipse (meter) 280
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 48
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.21044
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.0

Field Value
Value 0.0
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 50494821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-10-24 14:23:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.PARC.HHE. 2017-03-03T12:17:17.99 0.6 undecidable manual S 337 0.2104 101 0.13 48
IV.PIEI.HHZ. 2017-03-03T12:17:16.11 0.6 undecidable manual S 59 0.1565 105 0.29 47
IV.PARC.HHE. 2017-03-03T12:17:13.99 0.1 undecidable manual P 337 0.2104 101 -0.38 91
IV.PIEI.HHZ. 2017-03-03T12:17:13.06 0.3 undecidable manual P 59 0.1565 105 -0.14 73
IV.ATVO.HHZ. 2017-03-03T12:17:13.40 0.1 undecidable manual S 151 0.0827 116 0.23 96
IV.BADI.EHZ. 2017-03-03T12:17:13.81 0.3 undecidable manual S 305 0.0953 113 0.22 72
IV.APEC.HNN. 2017-03-03T12:17:12.76 0.3 undecidable manual P 26 0.1151 110 0.44 69
IV.ATPI.EHZ. 2017-03-03T12:17:11.59 0.1 undecidable manual S 96 0.0369 138 -0.15 99
IV.ATVO.HHZ. 2017-03-03T12:17:11.60 0.1 undecidable manual P 151 0.0827 116 -0.06 100
IV.BADI.EHZ. 2017-03-03T12:17:11.86 0.3 positive manual P 305 0.0953 113 -0.05 75
IV.ATPI.EHZ. 2017-03-03T12:17:10.65 0.1 undecidable manual P 96 0.0369 138 -0.19 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHN. ML:0.0 0.00004107831 0.16 AML other m 2017-03-03T12:17:11.70
IV.ATPI.EHE. ML:0.0 0.000054143555 0.256 AML other m 2017-03-03T12:17:11.87
IV.ATVO.HHN. ML:-0.1 0.000016043755 0.1792 AML other m 2017-03-03T12:17:13.48
IV.ATVO.HHE. ML:-0.1 0.000017220764 1.1008 AML other m 2017-03-03T12:17:13.67
IV.PIEI.HHE. ML:0.0 0.00000889414515 0.3584 AML other m 2017-03-03T12:17:16.15
IV.PIEI.HHN. ML:0.0 0.00001184419 0.16 AML other m 2017-03-03T12:17:16.35
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