Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 04-06-2020 and time 02:24:23 (Italy) in region 2 km NE Pietralunga (PG)

A magnitude ML 1.2 earthquake occured in region: 2 km NE Pietralunga (PG), on

  • 04-06-2020 00:24:23 (UTC)
  • 04-06-2020 02:24:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4580, 12.4520 at 7 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 2 2111 2111
Apecchio PU 12 1882 3993
Cantiano PU 14 2245 6238
Montone PG 14 1680 7918
Piobbico PU 15 2029 9947
Gubbio PG 15 32216 42163
Città di Castello PG 17 39913 82076
Scheggia e Pascelupo PG 19 1393 83469
Cagli PU 19 8731 92200
Umbertide PG 20 16681 108881

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Perugia (166134 inhabitants)
46 Km E of Arezzo (99543 inhabitants)
59 Km NW of Foligno (57155 inhabitants)
63 Km SW of Pesaro (94582 inhabitants)
63 Km SW of Fano (60888 inhabitants)
68 Km S of Rimini (147750 inhabitants)
77 Km S of Cesena (96758 inhabitants)
88 Km W of Ancona (100861 inhabitants)
91 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 1.2 2020-06-04
00:24:23		 43.4578 12.4522 7 2020-06-04
00:39:22		 Sala Sismica INGV-Roma 79873851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-04 00:24:23 ± 0.16
Latitude 43.4578 ± 0.0036
Longitude 12.4522 ± 0.0087
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79873851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 590
Semi-minor axis of confidence ellipse (meter) 491
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.17897
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 1.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 79873851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-04 00:39:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TRIF.CHZ. 2020-06-04T00:24:29.07 3.0 negative manual P -0.03 0
IV.NARO.HHZ. 2020-06-04T00:24:29.95 0.3 undecidable manual S 31 19.869 109 -0.39 67
IV.NARO.HHZ. 2020-06-04T00:24:27.20 0.6 negative manual P 31 19.869 109 -0.05 48
IV.PIEI.HHZ. 2020-06-04T00:24:27.91 0.6 undecidable manual S 38 10.878 123 0.38 46
IV.ATBU.EHZ. 2020-06-04T00:24:26.72 0.6 undecidable manual S 76 7.9809 131 0 50
IV.ATVO.HHZ. 2020-06-04T00:24:26.98 0.6 undecidable manual S 204 9.1797 127 -0.06 49
IV.TB01.DHN.01 2020-06-04T00:24:26.75 0.3 undecidable manual S 189 8.5803 129 -0.12 73
IV.ATPI.EHZ. 2020-06-04T00:24:25.93 0.6 undecidable manual S 259 4.0959 150 0.08 49
IV.TB01.DHN.01 2020-06-04T00:24:25.22 0.1 undecidable manual P 189 8.5803 129 -0.03 99
IV.ATBU.EHZ. 2020-06-04T00:24:25.24 0.1 undecidable manual P 76 7.9809 131 0.08 98
IV.ATVO.HHZ. 2020-06-04T00:24:25.44 0.6 undecidable manual P 204 9.1797 127 0.1 49
IV.ATPC.HHZ. 2020-06-04T00:24:25.55 0.3 undecidable manual S 9 2.5974 160 -0.07 74
IV.PIEI.HHZ. 2020-06-04T00:24:25.88 0.6 positive manual P 38 10.878 123 0.25 47
IV.ATPC.HHZ. 2020-06-04T00:24:24.51 0.1 undecidable manual P 9 2.5974 160 -0.02 100
IV.ATPI.EHZ. 2020-06-04T00:24:24.84 1.0 undecidable manual P 259 4.0959 150 0.18 24
IV.CPGN.EHZ. 2020-06-04T00:24:24.52 3.0 undecidable manual P 0.03 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:0.2 0.00001805 0.36 AML other m 2020-06-04T00:24:28.29
IV.PIEI.HHE. ML:0.2 0.00002735 0.14 AML other m 2020-06-04T00:24:28.39
IV.TRIF.CHE. ML:2.1 0.00007835000000000001 0.2 AML other m 2020-06-04T00:24:30.59
IV.TRIF.CHN. ML:2.3 0.00013350000000000002 0.16 AML other m 2020-06-04T00:24:30.60
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