Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 21-06-2022 and time 23:29:43 (UTC) in region 2 km SW Gualdo Tadino (PG)

A magnitude ML 0.4 earthquake occured in region: 2 km SW Gualdo Tadino (PG), on

  • 21-06-2022 23:29:43 (UTC)
  • 22-06-2022 01:29:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2200, 12.7640 at 8 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Gualdo Tadino PG 2 15208 15208
Fossato di Vico PG 8 2840 18048
Nocera Umbra PG 12 5839 23887
Sigillo PG 13 2404 26291
Fiuminata MC 14 1402 27693
Valfabbrica PG 15 3389 31082
Esanatoglia MC 15 2034 33116
Costacciaro PG 16 1216 34332
Sefro MC 17 422 34754
Fabriano AN 17 31480 66234
Valtopina PG 18 1398 67632
Pioraco MC 19 1134 68766

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of Foligno (57155 inhabitants)
33 Km E of Perugia (166134 inhabitants)
73 Km S of Fano (60888 inhabitants)
74 Km N of Terni (111501 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
76 Km E of Arezzo (99543 inhabitants)
78 Km S of Pesaro (94582 inhabitants)
95 Km S of Rimini (147750 inhabitants)
99 Km NW of Teramo (54892 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 0.4 2022-06-21
23:29:43		 43.2195 12.7638 8 2023-01-31
19:03:55		 Bollettino Sismico Italiano INGV 111585331
Reviewed
Rev100 		ML 1.1 2022-06-21
23:29:43		 43.2132 12.7805 6 2022-06-21
23:50:44		 Sala Sismica INGV-Roma 106344711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-06-21 23:29:43 ± 0.25
Latitude 43.2195 ± 0.0063
Longitude 12.7638 ± 0.0074
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 111585331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 593
Semi-minor axis of confidence ellipse (meter) 544
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 133
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) 128
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19245
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 111585331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-11-08 14:33:21

ML:1.1

Field Value
Value 1.1
Uncertainty 1.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 106344711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-06-21 23:50:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.PLRO.HHZ. 2022-06-21T23:30:46.02 3.0 undecidable manual Sn -1.5 0
CR.STON.BHZ. 2022-06-21T23:30:35.48 3.0 undecidable manual Pn 0.38 0
OX.PLRO.HHZ. 2022-06-21T23:30:15.02 3.0 undecidable manual Pn 1.33 0
OX.ACOM.HHZ. 2022-06-21T23:30:15.32 3.0 positive manual Pn 0.3 0
IV.SAMA.EHZ. 2022-06-21T23:30:02.89 3.0 undecidable manual Pn -0.7 0
IV.ASSB.HHZ. 2022-06-21T23:29:50.84 0.6 undecidable manual S 203 21.3675 111 -0.18 47
IV.SNTG.HHZ. 2022-06-21T23:29:49.06 0.6 undecidable manual S 75 14.7741 119 0.11 49
IV.ASSB.HHZ. 2022-06-21T23:29:47.53 0.3 undecidable manual P 203 21.3675 111 -0.13 72
IV.ATCC.EHZ. 2022-06-21T23:29:47.98 0.6 undecidable manual S 249 10.6782 128 0.21 48
IV.SNTG.HHZ. 2022-06-21T23:29:46.54 0.3 undecidable manual P 75 14.7741 119 0.08 73
IV.FOSV.EHZ. 2022-06-21T23:29:46.91 0.6 undecidable manual S 359 8.3805 135 -0.24 48
IV.FOSV.EHZ. 2022-06-21T23:29:45.40 0.1 undecidable manual P 359 8.3805 135 -0.02 100
IV.ATCC.EHZ. 2022-06-21T23:29:45.90 0.1 undecidable manual P 249 10.6782 128 0.12 98
IV.OSSC.HHZ. 2022-06-21T23:29:41.86 3.0 undecidable manual P 1.03 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHE. ML:0.1 0.000022305215 0.2176 AML other m 2022-06-21T23:29:47.12
IV.FOSV.EHN. ML:0.4 0.0000354 0.16 AML other m 2022-06-21T23:29:47.15
IV.ATCC.EHN. ML:0.5 0.00004045 0.16 AML other m 2022-06-21T23:29:48.19
IV.ATCC.EHE. ML:0.5 0.00004265 0.22 AML other m 2022-06-21T23:29:48.20
IV.SNTG.HHE. ML:0.2 0.000013949999999999999 1.26 AML other m 2022-06-21T23:29:49.05
IV.SNTG.HHN. ML:0.3 0.00001865 0.14 AML other m 2022-06-21T23:29:49.33
IV.FOSV.HNE. ML:0.8 0.00010161654000000001 0.4128 AML other m 2022-06-21T23:29:50.03
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