Earthquake with magnitude of ML 0.3 on date 05-08-2015 and time 16:55:19 (UTC) in region 7 km W Pietralunga (PG)

A magnitude ML 0.3 earthquake occured in region: 7 km W Pietralunga (PG), on

  • 05-08-2015 16:55:19 (UTC)
  • 05-08-2015 18:55:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4390, 12.3500 at 6 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.

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
Montone PG 8 1680 3791
CittĂ  di Castello PG 9 39913 43704
Apecchio PU 15 1882 45586
Umbertide PG 15 16681 62267
Monte Santa Maria Tiberina PG 15 1183 63450
San Giustino PG 19 11297 74747
Monterchi AR 20 1757 76504

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km N of Perugia (166134 inhabitants)
38 Km E of Arezzo (99543 inhabitants)
61 Km NW of Foligno (57155 inhabitants)
69 Km SW of Pesaro (94582 inhabitants)
70 Km SW of Fano (60888 inhabitants)
71 Km S of Rimini (147750 inhabitants)
78 Km S of Cesena (96758 inhabitants)
83 Km E of Siena (53903 inhabitants)
91 Km S of Forlì (117913 inhabitants)
96 Km E of Firenze (382808 inhabitants)
96 Km W of Ancona (100861 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 0.3 2015-08-05
16:55:19
43.4387 12.3505 6 2015-08-05
17:08:37
Sala Sismica INGV-Roma 20719661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-08-05 16:55:19 ± 0.16
Latitude 43.4387 ± 0.0045
Longitude 12.3505 ± 0.0050
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 20719661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 508
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 169
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) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.22483
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.3
Num. used stations 1
Type of magnitude ML
Reference to an origin 20719661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-08-05 17:08:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PARC.HHZ. 2015-08-05T16:55:28.00 0.1 undecidable manual S 339 24.9528 103 -0.01 97
IV.PIEI.HHZ. 2015-08-05T16:55:26.07 0.1 undecidable manual S 54 18.3705 107 0.29 93
IV.PARC.HHZ. 2015-08-05T16:55:24.19 0.1 undecidable manual P 339 24.9528 103 -0.07 96
IV.BADI.EHZ. 2015-08-05T16:55:23.73 0.1 undecidable manual S 313 11.5773 116 0.13 97
IV.PIEI.HHZ. 2015-08-05T16:55:22.80 0.1 undecidable manual P 54 18.3705 107 -0.17 95
IV.ATVO.HHZ. 2015-08-05T16:55:22.59 0.1 undecidable manual S 144 7.6812 126 0.15 97
IV.ATVO.HHZ. 2015-08-05T16:55:21.03 0.1 undecidable manual P 144 7.6812 126 -0.01 100
IV.BADI.EHZ. 2015-08-05T16:55:21.72 0.1 undecidable manual P 313 11.5773 116 0 99
IV.ATPI.EHZ. 2015-08-05T16:55:21.46 0.1 undecidable manual S 72 4.3956 142 -0.13 98
IV.ATPI.EHZ. 2015-08-05T16:55:20.37 0.1 undecidable manual P 72 4.3956 142 -0.18 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:0.0 0.000011900000000000001 1 AML other m 2015-08-05T16:55:26.86
IV.PIEI.HHE. ML:0.4 0.0000226 0.96 AML other m 2015-08-05T16:55:26.88
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download