Earthquake with magnitude of ML 0.6 on date 18-05-2021 and time 12:08:59 (UTC) in region 8 km SE Pietralunga (PG)

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

  • 18-05-2021 12:08:59 (UTC)
  • 18-05-2021 14:08:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3850, 12.4880 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 8 2111 2111
Gubbio PG 8 32216 34327
Montone PG 13 1680 36007
Scheggia e Pascelupo PG 15 1393 37400
Cantiano PU 15 2245 39645
Umbertide PG 16 16681 56326
Costacciaro PG 18 1216 57542

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km N of Perugia (166134 inhabitants)
50 Km E of Arezzo (99543 inhabitants)
51 Km NW of Foligno (57155 inhabitants)
67 Km SW of Fano (60888 inhabitants)
68 Km SW of Pesaro (94582 inhabitants)
76 Km S of Rimini (147750 inhabitants)
86 Km S of Cesena (96758 inhabitants)
87 Km W of Ancona (100861 inhabitants)
93 Km N of Terni (111501 inhabitants)
94 Km E of Siena (53903 inhabitants)
100 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 2021-05-18
12:08:59
43.3852 12.4877 8 2021-05-18
12:19:10
Sala Sismica INGV-Roma 90228921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-18 12:08:59 ± 0.14
Latitude 43.3852 ± 0.0036
Longitude 12.4877 ± 0.0049
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 90228921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 389
Semi-minor axis of confidence ellipse (meter) 107
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 353
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
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 30
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22033
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 90228921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-18 12:19:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGR.HHZ. 2021-05-18T12:10:52.50 3.0 undecidable manual Sg 4.27 0
IV.SARZ.HHZ. 2021-05-18T12:10:37.03 3.0 undecidable manual Sg 7.35 0
IV.ERC.EHZ. 2021-05-18T12:10:32.94 3.0 positive manual Pg 11.52 0
IV.HVZN.HHZ. 2021-05-18T12:10:29.90 3.0 positive manual Pn -5.51 0
GU.BLANC.HHZ. 2021-05-18T12:10:28.62 3.0 undecidable manual Pg 15.36 0
IV.CELI.HHZ. 2021-05-18T12:10:26.40 3.0 positive manual Pg 11.97 0
AC.VLO.HHZ. 2021-05-18T12:10:25.00 3.0 undecidable manual Pn -1.73 0
RF.GEPF.HHZ. 2021-05-18T12:10:21.49 3.0 undecidable manual Sg -0.26 0
IV.ECTS.HHZ. 2021-05-18T12:10:20.92 3.0 positive manual Pn -6.27 0
IV.VOBA.EHZ. 2021-05-18T12:09:46.92 3.0 positive manual Pg 2.41 0
IV.CAVE.HHZ. 2021-05-18T12:09:30.03 3.0 negative manual Pn -3.24 0
IV.RIBO.EHZ.01 2021-05-18T12:09:22.27 3.0 undecidable manual P -3.87 0
IV.BADI.EHZ. 2021-05-18T12:09:08.47 0.3 undecidable manual S 305 23.9538 107 0.14 71
IV.PIEI.HNZ. 2021-05-18T12:09:06.43 0.3 undecidable manual S 13 17.1717 114 0.33 69
IV.ATBU.EHZ. 2021-05-18T12:09:04.52 0.3 undecidable manual S 26 11.1777 124 0.24 71
IV.FRON.EHZ. 2021-05-18T12:09:04.40 0.1 undecidable manual P 52 24.1536 107 -0.29 92
IV.SSFR.HHZ. 2021-05-18T12:09:04.55 0.1 undecidable manual P 76 24.4533 107 -0.18 94
IV.ATPC.HHZ. 2021-05-18T12:09:04.27 0.3 undecidable manual S 347 10.878 124 0.07 74
IV.ATLO.EHZ. 2021-05-18T12:09:04.26 0.3 undecidable manual S 220 10.0788 126 0.28 71
IV.BADI.EHZ. 2021-05-18T12:09:04.72 0.1 undecidable manual P 305 23.9538 107 0.07 96
IV.ATPI.EHZ. 2021-05-18T12:09:03.60 0.3 undecidable manual S 317 9.9789 127 -0.35 70
IV.PIEI.HNZ. 2021-05-18T12:09:03.50 0.1 undecidable manual P 13 17.1717 114 0.14 96
IV.ATFO.HHZ. 2021-05-18T12:09:03.24 0.3 undecidable manual S 107 7.0929 137 0.05 75
IV.ATPC.HHZ. 2021-05-18T12:09:02.21 0.1 undecidable manual P 347 10.878 124 -0.05 99
IV.ATLO.EHZ. 2021-05-18T12:09:02.33 0.1 undecidable manual P 220 10.0788 126 0.19 96
IV.TB03.DH2.01 2021-05-18T12:09:02.75 0.3 undecidable manual S 286 6.4935 139 -0.3 71
IV.ATPI.EHZ. 2021-05-18T12:09:02.11 0.3 undecidable manual P 317 9.9789 127 -0.01 75
IV.ATBU.EHZ. 2021-05-18T12:09:02.31 0.1 undecidable manual P 26 11.1777 124 0 100
IV.ATFO.HHZ. 2021-05-18T12:09:01.63 0.1 undecidable manual P 107 7.0929 137 -0.05 100
IV.TB03.DH2.01 2021-05-18T12:09:01.37 0.1 undecidable manual P 286 6.4935 139 -0.23 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BADI.EHE. ML:0.8 0.000045249999999999995 0.14 AML other m 2021-05-18T12:09:08.71
IV.BADI.EHN. ML:0.9 0.00004778669 0.1216 AML other m 2021-05-18T12:09:08.66
IV.ATPI.EHE. ML:0.0 0.0000162161405 0.0832 AML other m 2021-05-18T12:09:03.92
IV.ATPI.EHN. ML:0.4 0.000039230815000000005 0.16 AML other m 2021-05-18T12:09:03.84
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