Earthquake with magnitude of ML 0.3 on date 08-07-2015 and time 22:38:57 (UTC) in region 1 km SW Pietralunga (PG)

A magnitude ML 0.3 earthquake occured in region: 1 km SW Pietralunga (PG), on

  • 08-07-2015 22:38:57 (UTC)
  • 09-07-2015 00:38:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4330, 12.4320 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.

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 1 2111 2111
Montone PG 11 1680 3791
Apecchio PU 14 1882 5673
Gubbio PG 15 32216 37889
CittĂ  di Castello PG 16 39913 77802
Umbertide PG 16 16681 94483
Cantiano PU 17 2245 96728
Piobbico PU 19 2029 98757
Scheggia e Pascelupo PG 19 1393 100150

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km N of Perugia (166134 inhabitants)
45 Km E of Arezzo (99543 inhabitants)
57 Km NW of Foligno (57155 inhabitants)
66 Km SW of Pesaro (94582 inhabitants)
66 Km SW of Fano (60888 inhabitants)
71 Km S of Rimini (147750 inhabitants)
80 Km S of Cesena (96758 inhabitants)
90 Km E of Siena (53903 inhabitants)
90 Km W of Ancona (100861 inhabitants)
93 Km SE of Forlì (117913 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
ML 0.3 2015-07-08
22:38:57
43.4327 12.4325 8 2015-07-08
22:52:02
Sala Sismica INGV-Roma 20215781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-07-08 22:38:57 ± 0.3
Latitude 43.4327 ± 0.0063
Longitude 12.4325 ± 0.0173
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 20215781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1231
Semi-minor axis of confidence ellipse (meter) 890
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 274
Circular confidence region, given by single value of horizontal uncertainty (meter) 1230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 164
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.20774
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 20215781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-07-08 22:52:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2015-07-08T22:39:10.99 3.0 undecidable manual S 2.06 0
IV.PIEI.HHZ. 2015-07-08T22:39:03.27 0.1 undecidable manual S 36 14.0748 119 0.16 95
IV.APEC.HHZ. 2015-07-08T22:39:03.34 0.1 undecidable manual S 356 13.9749 119 0.26 93
IV.NARO.HHZ. 2015-07-08T22:39:01.98 0.1 undecidable manual P 31 23.0547 109 -0.42 89
IV.ATVO.HHZ. 2015-07-08T22:39:01.05 0.1 undecidable manual S 200 5.994 143 0.1 98
IV.ATPI.EHZ. 2015-07-08T22:39:00.16 0.1 undecidable manual S 309 3.1968 158 -0.3 94
IV.APEC.HHZ. 2015-07-08T22:39:00.80 0.1 undecidable manual P 356 13.9749 119 0.07 97
IV.PIEI.HHZ. 2015-07-08T22:39:00.75 0.1 undecidable manual P 36 14.0748 119 0 98
IV.ATVO.HHZ. 2015-07-08T22:38:59.64 0.1 undecidable manual P 200 5.994 143 0.14 97
IV.ATPI.EHZ. 2015-07-08T22:38:59.20 0.1 undecidable manual P 309 3.1968 158 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APEC.HHE. ML:0.4 0.000025399999999999997 1.42 AML other m 2015-07-08T22:38:59.26
IV.APEC.HHN. ML:0.4 0.000028749999999999997 1.34 AML other m 2015-07-08T22:39:04.18
IV.PIEI.HHE. ML:0.3 0.000017500000000000002 0.16 AML other m 2015-07-08T22:39:03.63
IV.PIEI.HHN. ML:0.1 0.00001575 0.34 AML other m 2015-07-08T22:39:03.33
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