Earthquake with magnitude of ML 0.6 on date 18-02-2021 and time 09:01:23 (Italy) in region 8 km E Pietralunga (PG)

A magnitude ML 0.6 earthquake occured in region: 8 km E Pietralunga (PG), on

  • 18-02-2021 08:01:23 (UTC)
  • 18-02-2021 09:01:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4130, 12.5250 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 8 2111 2111
Gubbio PG 8 32216 34327
Cantiano PU 11 2245 36572
Scheggia e Pascelupo PG 12 1393 37965
Costacciaro PG 16 1216 39181
Montone PG 17 1680 40861
Cagli PU 18 8731 49592
Apecchio PU 18 1882 51474
Piobbico PU 20 2029 53503
Sigillo PG 20 2404 55907
Umbertide PG 20 16681 72588

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NE of Perugia (166134 inhabitants)
52 Km E of Arezzo (99543 inhabitants)
53 Km N of Foligno (57155 inhabitants)
62 Km SW of Fano (60888 inhabitants)
64 Km SW of Pesaro (94582 inhabitants)
72 Km S of Rimini (147750 inhabitants)
83 Km W of Ancona (100861 inhabitants)
84 Km S of Cesena (96758 inhabitants)
95 Km N of Terni (111501 inhabitants)
97 Km E of Siena (53903 inhabitants)
98 Km SE of Forlì (117913 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 0.6 2021-02-18
08:01:23
43.4128 12.5248 6 2021-02-18
08:10:17
Sala Sismica INGV-Roma 87268651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-18 08:01:23 ± 0.18
Latitude 43.4128 ± 0.0036
Longitude 12.5248 ± 0.0074
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 87268651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 560
Semi-minor axis of confidence ellipse (meter) 146
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 79
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 23
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.20235
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 87268651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-18 08:10:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IFIL.HHZ. 2021-02-18T08:02:24.42 3.0 undecidable manual Pg 21.139999 0
IV.IMI.HHZ. 2021-02-18T08:02:07.45 3.0 positive manual Pg 19.51 0
IV.SBPO.HNZ. 2021-02-18T08:02:05.70 3.0 undecidable manual Sg 2.59 0
IV.NDIM.HHZ. 2021-02-18T08:01:54.25 3.0 undecidable manual Sn -5.84 0
IV.MTRZ.HNZ. 2021-02-18T08:01:41.35 3.0 undecidable manual Sn -3.52 0
IT.LRNO.HNZ. 2021-02-18T08:01:31.52 3.0 undecidable manual Pn 2.08 0
IV.CAVE.HHZ. 2021-02-18T08:01:30.85 3.0 negative manual Pn 0.2 0
IV.NARO.HHZ. 2021-02-18T08:01:30.91 0.3 undecidable manual S 12 22.4553 105 -0.22 71
IV.MURB.HHZ. 2021-02-18T08:01:29.36 0.6 undecidable manual S 180 16.5723 109 0.15 49
IV.PIEI.HHZ. 2021-02-18T08:01:28.76 0.6 undecidable manual S 3 13.6752 113 0.51 45
IV.ATPI.EHZ. 2021-02-18T08:01:27.31 0.3 undecidable manual S 293 10.7781 118 -0.02 75
IV.NDIM.HNZ. 2021-02-18T08:01:27.16 3.0 negative manual Pn -4.23 0
IV.NARO.HHZ. 2021-02-18T08:01:27.68 0.3 undecidable manual P 12 22.4553 105 -0.06 73
IV.PIEI.HHZ. 2021-02-18T08:01:26.14 0.1 undecidable manual P 3 13.6752 113 0.07 99
IV.ATFO.HHZ. 2021-02-18T08:01:26.03 0.3 undecidable manual S 144 6.3936 132 -0.06 76
IV.MURB.HHZ. 2021-02-18T08:01:26.72 0.3 undecidable manual P 180 16.5723 109 0.1 74
IV.ATPI.EHZ. 2021-02-18T08:01:25.44 0.1 undecidable manual P 293 10.7781 118 -0.1 99
IV.ATFO.HHZ. 2021-02-18T08:01:24.73 0.1 undecidable manual P 144 6.3936 132 -0.09 100
IT.FIE.HGZ. 2021-02-18T08:01:19.54 3.0 undecidable manual P 0.53 0
IV.FIR.HHZ. 2021-02-18T08:01:18.63 3.0 undecidable manual P -0.37 0
IV.ARRO.EHZ. 2021-02-18T08:01:13.12 3.0 undecidable manual P 1.38 0
IV.APEC.HHZ. 2021-02-18T08:01:10.39 3.0 undecidable manual P -2.52 0
IV.MF5.EHZ. 2021-02-18T08:01:08.84 3.0 undecidable manual Pn -4.62 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHN. ML:0.4 0.00003845 0.26 AML other m 2021-02-18T08:01:27.49
IV.ATPI.EHE. ML:0.5 0.00004695 0.48 AML other m 2021-02-18T08:01:27.69
IV.PIEI.HHN. ML:0.3 0.000023449999999999997 0.24 AML other m 2021-02-18T08:01:29.04
IV.PIEI.HHE. ML:0.4 0.00003185 0.26 AML other m 2021-02-18T08:01:29.25
IV.MURB.HHN. ML:0.8 0.000059499999999999996 0.24 AML other m 2021-02-18T08:01:29.74
IV.MURB.HHE. ML:0.8 0.0000645 0.26 AML other m 2021-02-18T08:01:30.42
IV.FOSV.EHE. ML:1.0 0.000067465005 1.0432 AML other m 2021-02-18T08:01:08.98
IV.FOSV.EHN. ML:0.9 0.000054197195 0.7616 AML other m 2021-02-18T08:01:08.98
IV.APEC.HHE. ML:0.8 0.000050435685 2.88 AML other m 2021-02-18T08:01:12.50
IV.APEC.HHN. ML:0.6 0.00003417620000000001 0.9792 AML other m 2021-02-18T08:01:10.56
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