Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 06-06-2021 and time 04:21:34 (Italy) in region 7 km SE Pietralunga (PG)

A magnitude ML 0.8 earthquake occured in region: 7 km SE Pietralunga (PG), on

  • 06-06-2021 02:21:34 (UTC)
  • 06-06-2021 04:21:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3930, 12.4840 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.

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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 7 2111 2111
Gubbio PG 9 32216 34327
Montone PG 13 1680 36007
Cantiano PU 15 2245 38252
Scheggia e Pascelupo PG 15 1393 39645
Umbertide PG 16 16681 56326
Costacciaro PG 19 1216 57542
Apecchio PU 19 1882 59424

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of Perugia (166134 inhabitants)
49 Km E of Arezzo (99543 inhabitants)
52 Km NW of Foligno (57155 inhabitants)
66 Km SW of Fano (60888 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
75 Km S of Rimini (147750 inhabitants)
85 Km S of Cesena (96758 inhabitants)
87 Km W of Ancona (100861 inhabitants)
93 Km E of Siena (53903 inhabitants)
93 Km N of Terni (111501 inhabitants)
99 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 0.8 2021-06-06
02:21:34		 43.3927 12.4837 9 2021-06-06
03:03:58		 Sala Sismica INGV-Roma 90840751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-06 02:21:34 ± 0.1
Latitude 43.3927 ± 0.0045
Longitude 12.4837 ± 0.0050
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 90840751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 488
Semi-minor axis of confidence ellipse (meter) 234
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 20
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.05666
Epicentral distance of station farthest from the epicenter (degree) 0.34894
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 90840751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-06 03:03:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2021-06-06T02:21:47.76 0.6 undecidable manual S 72 38.7279 50 0.27 46
IV.NARO.HHZ. 2021-06-06T02:21:43.13 0.6 undecidable manual S 18 25.4523 108 -0.29 47
IV.FOSV.EHZ. 2021-06-06T02:21:43.53 0.6 undecidable manual S 116 24.8529 109 0.29 47
IV.FRON.EHZ. 2021-06-06T02:21:42.87 0.6 undecidable manual S 54 23.9538 109 -0.06 49
IV.BADI.EHZ. 2021-06-06T02:21:42.91 0.6 undecidable manual S 304 23.2545 110 0.21 48
IV.APEC.HHZ. 2021-06-06T02:21:41.52 0.6 undecidable manual S 344 19.0698 114 0.15 49
IV.ARVD.HHZ. 2021-06-06T02:21:41.59 0.6 undecidable manual P 72 38.7279 50 -0.25 46
IV.PIEI.HHZ. 2021-06-06T02:21:40.86 0.6 undecidable manual S 15 16.3725 117 0.34 47
IV.BADI.EHZ. 2021-06-06T02:21:39.12 0.6 negative manual P 304 23.2545 110 0.04 50
IV.NARO.HHZ. 2021-06-06T02:21:39.22 0.3 positive manual P 18 25.4523 108 -0.27 71
IV.FOSV.EHZ. 2021-06-06T02:21:39.41 0.6 negative manual P 116 24.8529 109 0.02 50
IV.FRON.EHZ. 2021-06-06T02:21:39.08 0.3 undecidable manual P 54 23.9538 109 -0.13 73
IV.APEC.HHZ. 2021-06-06T02:21:38.39 0.3 negative manual P 344 19.0698 114 0.08 74
IV.PIEI.HHZ. 2021-06-06T02:21:37.89 0.6 undecidable manual P 15 16.3725 117 0.07 50
IV.ATVO.HHZ. 2021-06-06T02:21:36.09 0.1 positive manual P 259 6.2937 143 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHE. ML:1.0 0.000194 0.4 AML other m 2021-06-06T02:21:37.44
IV.ATVO.HHN. ML:0.8 0.000121 0.28 AML other m 2021-06-06T02:21:39.08
IV.PIEI.HHN. ML:0.8 0.000057300000000000004 0.24 AML other m 2021-06-06T02:21:41.43
IV.PIEI.HHE. ML:1.1 0.00011649999999999999 0.28 AML other m 2021-06-06T02:21:41.32
IV.APEC.HHE. ML:0.9 0.0000675 0.16 AML other m 2021-06-06T02:21:42.11
IV.APEC.HHN. ML:0.8 0.00005255 0.58 AML other m 2021-06-06T02:21:42.42
IV.FRON.EHE. ML:0.5 0.0000196 0.76 AML other m 2021-06-06T02:21:42.59
IV.BADI.EHE. ML:1.2 0.00009510000000000001 0.38 AML other m 2021-06-06T02:21:43.34
IV.NARO.HHE. ML:0.7 0.000030449999999999998 0.98 AML other m 2021-06-06T02:21:43.44
IV.BADI.EHN. ML:1.2 0.00011350000000000001 0.38 AML other m 2021-06-06T02:21:43.29
IV.NARO.HHN. ML:0.5 0.0000212 0.06 AML other m 2021-06-06T02:21:43.96
IV.FRON.EHN. ML:0.7 0.000028999999999999997 1.44 AML other m 2021-06-06T02:21:44.23
IV.ARVD.HHN. ML:0.4 0.000010235000000000001 1.58 AML other m 2021-06-06T02:21:48.07
IV.ARVD.HHE. ML:0.4 0.000011015 1.5 AML other m 2021-06-06T02:21:49.07
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