Earthquake with magnitude of ML 0.3 on date 12-08-2020 and time 04:20:24 (UTC) in region 4 km NE Pietralunga (PG)

A magnitude ML 0.3 earthquake occured in region: 4 km NE Pietralunga (PG), on

  • 12-08-2020 04:20:24 (UTC)
  • 12-08-2020 06:20:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4730, 12.4550 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 4 2111 2111
Apecchio PU 10 1882 3993
Piobbico PU 14 2029 6022
Cantiano PU 14 2245 8267
Montone PG 16 1680 9947
Gubbio PG 17 32216 42163
CittĂ  di Castello PG 18 39913 82076
Cagli PU 18 8731 90807
Scheggia e Pascelupo PG 19 1393 92200

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km N of Perugia (166134 inhabitants)
46 Km E of Arezzo (99543 inhabitants)
61 Km NW of Foligno (57155 inhabitants)
61 Km SW of Pesaro (94582 inhabitants)
62 Km SW of Fano (60888 inhabitants)
66 Km S of Rimini (147750 inhabitants)
76 Km S of Cesena (96758 inhabitants)
87 Km W of Ancona (100861 inhabitants)
90 Km SE of Forlì (117913 inhabitants)
92 Km E of Siena (53903 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 2020-08-12
04:20:24
43.4727 12.4548 6 2020-08-12
04:25:33
Sala Sismica INGV-Roma 81894571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-12 04:20:24 ± 0.08
Latitude 43.4727 ± 0.0027
Longitude 12.4548 ± 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 81894571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 400
Semi-minor axis of confidence ellipse (meter) 20
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 116
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 146
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00809
Epicentral distance of station farthest from the epicenter (degree) 0.16548
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 81894571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-12 04:25:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BADI.EHZ. 2020-08-12T04:20:30.61 0.6 undecidable manual S 284 17.4714 108 0.26 47
IV.NARO.HHZ. 2020-08-12T04:20:30.60 0.6 undecidable manual S 33 18.3705 107 -0.05 49
IV.ATLO.HNE. 2020-08-12T04:20:30.48 0.6 undecidable manual S 192 17.871 107 -0.02 49
IV.PIEI.HHZ. 2020-08-12T04:20:28.25 0.6 undecidable manual S 43 9.4794 120 0.43 46
IV.TB01.DHN.01 2020-08-12T04:20:28.02 0.6 undecidable manual S 189 10.1787 118 -0.01 50
IV.TB02.DHZ.01 2020-08-12T04:20:28.67 0.6 undecidable manual S 198 11.877 115 0.11 49
IV.ATVO.HHZ. 2020-08-12T04:20:28.32 0.6 undecidable manual S 201 10.7781 117 0.12 49
IV.NARO.HHZ. 2020-08-12T04:20:27.58 0.3 undecidable manual P 33 18.3705 107 -0.26 70
IV.ATLO.HNE. 2020-08-12T04:20:27.58 0.3 undecidable manual P 192 17.871 107 -0.17 72
IV.TB03.DHZ.01 2020-08-12T04:20:27.72 0.6 undecidable manual S 204 8.6802 122 0.15 49
IV.BADI.EHZ. 2020-08-12T04:20:27.58 0.1 undecidable manual P 284 17.4714 108 -0.08 97
IV.TB02.DHZ.01 2020-08-12T04:20:26.62 0.1 undecidable manual P 198 11.877 115 -0.01 100
IV.ATVO.HHZ. 2020-08-12T04:20:26.48 0.1 undecidable manual P 201 10.7781 117 0.05 99
IV.PIEI.HHZ. 2020-08-12T04:20:26.39 0.1 undecidable manual P 43 9.4794 120 0.19 97
IV.TB01.DHN.01 2020-08-12T04:20:26.30 0.1 undecidable manual P 189 10.1787 118 -0.03 100
IV.ATPI.EHZ. 2020-08-12T04:20:26.56 0.6 undecidable manual S 240 4.8951 139 0 51
IV.TB03.DHZ.01 2020-08-12T04:20:26.09 0.1 undecidable manual P 204 8.6802 122 0.03 100
IV.ATPI.EHZ. 2020-08-12T04:20:25.41 0.1 undecidable manual P 240 4.8951 139 -0.07 100
IV.ATPC.HNZ. 2020-08-12T04:20:25.01 0.1 undecidable manual P 11 0.8991 171 -0.11 100
IV.ATPC.HNZ. 2020-08-12T04:20:25.70 0.6 undecidable manual S 11 0.8991 171 -0.24 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHE. ML:0.5 0.0000544 0.38 AML other m 2020-08-12T04:20:28.44
IV.PIEI.HHN. ML:0.3 0.000034149999999999997 0.2 AML other m 2020-08-12T04:20:28.68
IV.ATPI.EHE. ML:0.0 0.000027673784999999998 0.1408 AML other m 2020-08-12T04:20:27.07
IV.ATPI.HNN. ML:0.0 0.000042710832 0.1312 AML other m 2020-08-12T04:20:26.66
IV.ATVO.HHE. ML:0.5 0.000045935895 0.3616 AML other m 2020-08-12T04:20:28.59
IV.ATVO.HHN. ML:0.4 0.000034625335 0.2816 AML other m 2020-08-12T04:20:28.57
IV.BADI.EHE. ML:0.3 0.000021616905 0.1184 AML other m 2020-08-12T04:20:31.12
IV.BADI.EHN. ML:0.4 0.00002314362 0.3392 AML other m 2020-08-12T04:20:32.73
IV.NARO.HHE. ML:0.0 0.000009908148 0.0608 AML other m 2020-08-12T04:20:32.01
IV.NARO.HHN. ML:0.0 0.000008836807499999999 0.0992 AML other m 2020-08-12T04:20:31.43
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