Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 01-02-2022 and time 03:06:39 (Italy) in region 2 km SE Gualdo Tadino (PG)

A magnitude ML 0.9 earthquake occured in region: 2 km SE Gualdo Tadino (PG), on

  • 01-02-2022 02:06:39 (UTC)
  • 01-02-2022 03:06:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2220, 12.8040 at 9 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
Gualdo Tadino PG 2 15208 15208
Fossato di Vico PG 9 2840 18048
Fiuminata MC 11 1402 19450
Esanatoglia MC 12 2034 21484
Nocera Umbra PG 12 5839 27323
Sigillo PG 13 2404 29727
Sefro MC 15 422 30149
Fabriano AN 15 31480 61629
Pioraco MC 15 1134 62763
Costacciaro PG 17 1216 63979
Matelica MC 17 9981 73960
Valfabbrica PG 18 3389 77349
Cerreto d'Esi AN 18 3817 81166
Valtopina PG 19 1398 82564

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km N of Foligno (57155 inhabitants)
36 Km E of Perugia (166134 inhabitants)
71 Km S of Fano (60888 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
75 Km N of Terni (111501 inhabitants)
77 Km S of Pesaro (94582 inhabitants)
79 Km E of Arezzo (99543 inhabitants)
95 Km S of Rimini (147750 inhabitants)
96 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
Reviewed
Rev100 		ML 0.9 2022-02-01
02:06:39		 43.2222 12.8043 9 2022-02-01
06:54:05		 Sala Sismica INGV-Roma 100443731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-01 02:06:39 ± 0.06
Latitude 43.2222 ± 0.0027
Longitude 12.8043 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 100443731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 411
Semi-minor axis of confidence ellipse (meter) 215
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 74
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.07914
Epicentral distance of station farthest from the epicenter (degree) 0.59895
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 100443731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-01 06:54:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2022-02-01T02:06:55.63 0.3 undecidable manual S 337 46.7199 50 0.17 68
IV.MNTT.EHZ. 2022-02-01T02:06:52.69 0.6 positive manual P 105 66.4779 50 0.74 37
IV.CSP1.EHZ. 2022-02-01T02:06:52.38 0.6 undecidable manual S 114 35.4423 50 -0.07 47
IV.FRON.EHZ. 2022-02-01T02:06:51.59 0.3 undecidable manual S 349 33.4443 50 -0.31 68
IV.EL6.EHZ. 2022-02-01T02:06:50.01 0.6 undecidable manual S 64 26.8509 108 0.27 46
IV.CESI.HHZ. 2022-02-01T02:06:49.61 0.6 undecidable manual S 161 25.4523 109 0.32 46
IV.ASSB.HHZ. 2022-02-01T02:06:48.56 0.6 undecidable manual S 211 23.1546 110 0.02 49
IV.ATSC.EHZ. 2022-02-01T02:06:48.82 0.6 undecidable manual S 337 24.3534 109 -0.11 48
IV.NARO.HHZ. 2022-02-01T02:06:48.92 0.1 undecidable manual P 337 46.7199 50 0.01 94
IV.MML1.EHZ. 2022-02-01T02:06:47.09 0.6 undecidable manual S 132 18.1707 115 0.16 48
IV.CSP1.EHZ. 2022-02-01T02:06:46.97 1.0 negative manual P 114 35.4423 50 -0.21 23
IV.FRON.EHZ. 2022-02-01T02:06:46.95 1.0 undecidable manual P 349 33.4443 50 0.09 24
IV.ATSC.EHZ. 2022-02-01T02:06:45.34 0.1 undecidable manual P 337 24.3534 109 0.2 94
IV.EL6.EHZ. 2022-02-01T02:06:45.37 0.1 undecidable manual P 64 26.8509 108 -0.24 93
IV.FOSV.EHZ. 2022-02-01T02:06:44.27 0.6 undecidable manual S 337 8.7801 134 0.03 50
IV.ASSB.HHZ. 2022-02-01T02:06:44.87 0.3 positive manual P 211 23.1546 110 -0.05 73
IV.SNTG.HHZ. 2022-02-01T02:06:44.81 0.6 undecidable manual S 72 11.5773 127 -0.17 48
IV.CESI.HHZ. 2022-02-01T02:06:44.95 0.1 undecidable manual P 161 25.4523 109 -0.4 90
IV.MML1.EHZ. 2022-02-01T02:06:43.98 1.0 negative manual P 132 18.1707 115 -0.01 25
IV.SNTG.HHZ. 2022-02-01T02:06:42.87 0.1 positive manual P 72 11.5773 127 0 100
IV.FOSV.EHZ. 2022-02-01T02:06:42.57 0.6 undecidable manual P 337 8.7801 134 0.13 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHE. ML:0.9 0.00009379999999999999 1.56 AML other m 2022-02-01T02:06:44.20
IV.SNTG.HHN. ML:0.9 0.0001026 0.94 AML other m 2022-02-01T02:06:46.04
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