Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.2 on date 28-07-2022 and time 20:22:42 (Italy) in region 2 km NE Pietralunga (PG)

A magnitude ML 0.2 earthquake occured in region: 2 km NE Pietralunga (PG), on

  • 28-07-2022 18:22:42 (UTC)
  • 28-07-2022 20:22:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4530, 12.4600 at 9 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 15 1680 7918
Gubbio PG 15 32216 40134
Piobbico PU 16 2029 42163
Scheggia e Pascelupo PG 18 1393 43556
Città di Castello PG 18 39913 83469
Cagli PU 19 8731 92200
Umbertide PG 19 16681 108881

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Perugia (166134 inhabitants)
47 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)
78 Km S of Cesena (96758 inhabitants)
87 Km W of Ancona (100861 inhabitants)
92 Km SE of Forlì (117913 inhabitants)
92 Km E of Siena (53903 inhabitants)
100 Km N of Terni (111501 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
Bulletin
Rev1000 		ML 0.2 2022-07-28
18:22:42		 43.4533 12.4598 9 2023-01-31
19:03:47		 Bollettino Sismico Italiano INGV 109957771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-28 18:22:42 ± 0.29
Latitude 43.4533 ± 0.0099
Longitude 12.4598 ± 0.0099
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 109957771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 909
Semi-minor axis of confidence ellipse (meter) 768
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 173
Circular confidence region, given by single value of horizontal uncertainty (meter) 910.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.17986
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:0.2

Field Value
Value 0.2
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 109957771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-21 10:06:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SACS.HHZ. 2022-07-28T18:22:53.97 3.0 undecidable manual Pg 0.06 0
IV.CING.HHZ. 2022-07-28T18:22:50.63 3.0 undecidable manual P 0
IV.ATSC.EHE. 2022-07-28T18:22:49.76 0.3 undecidable manual S 100 18.5703 117 -0.34 69
IV.PIEI.HHZ. 2022-07-28T18:22:48.22 0.1 undecidable manual S 33 10.9779 130 0.32 94
IV.ATBU.EHZ. 2022-07-28T18:22:47.09 0.3 undecidable manual S 71 7.5813 141 0.03 75
IV.ATSC.EHE. 2022-07-28T18:22:47.35 0.3 undecidable manual P 100 18.5703 117 0.29 70
IV.NARO.HHZ. 2022-07-28T18:22:46.66 0.1 undecidable manual P 29 19.9689 115 -0.66 84
IV.ATPI.EHZ. 2022-07-28T18:22:46.40 0.1 undecidable manual S 266 4.6953 154 -0.12 99
IV.ATPC.HHE. 2022-07-28T18:22:46.13 0.1 undecidable manual S 356 3.0969 162 -0.18 98
IV.PIEI.HHZ. 2022-07-28T18:22:45.99 0.1 undecidable manual P 33 10.9779 130 0.21 96
IV.ATPI.EHZ. 2022-07-28T18:22:45.12 0.1 positive manual P 266 4.6953 154 0.13 99
IV.ATVO.HHZ. 2022-07-28T18:22:45.54 0.3 undecidable manual P 209 8.9799 136 0.04 75
IV.ATBU.EHZ. 2022-07-28T18:22:45.42 0.1 undecidable manual P 71 7.5813 141 0.12 99
IV.ATPC.HHE. 2022-07-28T18:22:44.96 0.1 negative manual P 356 3.0969 162 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHN. ML:-0.1 0.0000138362565 0.0768 AML other m 2022-07-28T18:22:46.72
IV.ATPI.EHE. ML:0.0 0.000019849999999999998 0.42 AML other m 2022-07-28T18:22:47.23
IV.ATPI.HNE. ML:0.7 0.000083560785 0.8448 AML other m 2022-07-28T18:22:50.07
IV.ATPI.HNN. ML:0.7 0.00008427335499999999 0.4224 AML other m 2022-07-28T18:22:46.15
IV.ATVO.HNN. ML:0.8 0.00009422048499999999 0.7168 AML other m 2022-07-28T18:22:47.71
IV.ATVO.HHE. ML:-0.2 0.000007981185 0.1408 AML other m 2022-07-28T18:22:47.92
IV.PIEI.HHE. ML:0.1 0.0000142137515 0.1408 AML other m 2022-07-28T18:22:48.46
IV.PIEI.HNE. ML:0.8 0.00007950935000000001 1.2416 AML other m 2022-07-28T18:22:48.67
IV.PIEI.HNN. ML:0.9 0.0000893916 1.4208 AML other m 2022-07-28T18:22:48.29
IV.PIEI.HHN. ML:0.1 0.000014084999499999998 0.1152 AML other m 2022-07-28T18:22:48.29
IV.NARO.HHN. ML:-0.2 0.000002743764 0.0512 AML other m 2022-07-28T18:22:51.17
IV.NARO.HHE. ML:-0.2 0.000003772755 0.064 AML other m 2022-07-28T18:22:50.94
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