Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 02-02-2022 and time 11:29:56 (UTC) in region 4 km NW Valtopina (PG)

A magnitude ML 1.3 earthquake occured in region: 4 km NW Valtopina (PG), on

  • 02-02-2022 11:29:56 (UTC)
  • 02-02-2022 12:29:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0890, 12.7390 at 10 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
Valtopina PG 4 1398 1398
Nocera Umbra PG 5 5839 7237
Assisi PG 10 28299 35536
Spello PG 12 8645 44181
Valfabbrica PG 14 3389 47570
Foligno PG 15 57155 104725
Bastia Umbra PG 16 21874 126599
Gualdo Tadino PG 16 15208 141807
Cannara PG 16 4305 146112
Serravalle di Chienti MC 18 1070 147182
Sefro MC 18 422 147604
Fiuminata MC 19 1402 149006

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km N of Foligno (57155 inhabitants)
29 Km E of Perugia (166134 inhabitants)
59 Km N of Terni (111501 inhabitants)
81 Km SE of Arezzo (99543 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
87 Km S of Fano (60888 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
92 Km NW of Teramo (54892 inhabitants)
93 Km S of Pesaro (94582 inhabitants)
98 Km NW of L'Aquila (69753 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 1.3 2022-02-02
11:29:56		 43.0893 12.7392 10 2022-02-02
11:34:36		 Sala Sismica INGV-Roma 100528011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-02 11:29:56 ± 0.05
Latitude 43.0893 ± 0.0027
Longitude 12.7392 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 100528011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 305
Semi-minor axis of confidence ellipse (meter) 274
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 26
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) 0.53330
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 100528011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-02 11:34:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2022-02-02T11:30:15.07 0.6 undecidable manual S 348 59.1963 50 0.33 45
IV.SSFR.HHZ. 2022-02-02T11:30:09.19 0.6 undecidable manual S 5 38.628 50 -0.05 49
IV.EL6.EHZ. 2022-02-02T11:30:09.75 0.6 undecidable manual S 48 39.627 50 0.25 47
IV.NRCA.HHZ. 2022-02-02T11:30:09.89 0.6 undecidable manual S 133 41.625 50 -0.15 48
IV.CSP1.EHZ. 2022-02-02T11:30:09.47 0.6 undecidable manual S 89 37.7289 50 0.47 45
IV.MOMA.HHZ. 2022-02-02T11:30:08.19 0.6 undecidable manual S 204 34.5432 50 0.04 49
IV.NARO.HHZ. 2022-02-02T11:30:06.79 0.6 undecidable manual P 348 59.1963 50 -0.1 47
IV.FDMO.HHZ. 2022-02-02T11:30:06.27 0.6 undecidable manual S 102 28.8489 50 -0.35 47
IV.MURB.HHZ. 2022-02-02T11:30:05.69 0.6 undecidable manual S 318 25.9518 110 -0.05 50
IV.SNTG.HHZ. 2022-02-02T11:30:04.92 0.6 undecidable manual S 41 24.5532 111 -0.38 47
IV.CSP1.EHZ. 2022-02-02T11:30:04.04 0.6 positive manual P 89 37.7289 50 0.47 45
IV.GAVE.EHZ. 2022-02-02T11:30:04.75 3.0 negative manual P -0.07 0
IV.NRCA.HHZ. 2022-02-02T11:30:03.87 0.6 undecidable manual P 133 41.625 50 -0.3 46
IV.SSFR.HHZ. 2022-02-02T11:30:03.43 0.3 positive manual P 5 38.628 50 -0.28 70
IV.EL6.EHZ. 2022-02-02T11:30:03.76 0.6 negative manual P 48 39.627 50 -0.09 49
IV.MML1.EHZ. 2022-02-02T11:30:03.55 0.6 undecidable manual S 82 18.9699 117 0.01 51
IV.FDMO.HHZ. 2022-02-02T11:30:02.18 1.0 negative manual P 102 28.8489 50 -0.02 25
IV.MOMA.HHZ. 2022-02-02T11:30:02.99 0.6 undecidable manual P 204 34.5432 50 -0.09 49
IV.ATCC.EHZ. 2022-02-02T11:30:02.12 0.6 undecidable manual S 323 13.2756 126 0.27 49
IV.CESI.HHZ. 2022-02-02T11:30:02.86 0.6 undecidable manual S 125 16.3725 120 0.13 50
IV.SNTG.HHZ. 2022-02-02T11:30:01.27 0.6 undecidable manual P 41 24.5532 111 -0.16 49
IV.MURB.HHZ. 2022-02-02T11:30:01.62 0.1 positive manual P 318 25.9518 110 -0.07 100
IV.CESI.HHZ. 2022-02-02T11:30:00.23 1.0 negative manual P 125 16.3725 120 0.28 24
IV.ASSB.HHZ. 2022-02-02T11:30:00.51 0.3 undecidable manual S 232 8.3805 139 -0.05 78
IV.MML1.EHZ. 2022-02-02T11:30:00.52 0.6 undecidable manual P 82 18.9699 117 0.1 50
IV.ATCC.EHZ. 2022-02-02T11:29:59.62 1.0 undecidable manual P 323 13.2756 126 0.18 25
IV.ASSB.HHZ. 2022-02-02T11:29:58.92 1.0 undecidable manual P 232 8.3805 139 0.22 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:2.1 0.00181 0.18 AML other m 2022-02-02T11:30:00.86
IV.ASSB.HHE. ML:1.7 0.0007384999999999999 1.64 AML other m 2022-02-02T11:30:00.89
IV.ATCC.EHN. ML:1.5 0.00034599999999999995 0.32 AML other m 2022-02-02T11:30:02.13
IV.ATCC.EHE. ML:1.7 0.0005800000000000001 0.34 AML other m 2022-02-02T11:30:02.33
IV.CESI.HHE. ML:1.1 0.00011845 0.08 AML other m 2022-02-02T11:30:03.34
IV.CESI.HHN. ML:1.0 0.00008010000000000001 1.24 AML other m 2022-02-02T11:30:03.23
IV.SNTG.HHE. ML:0.9 0.0000441 0.36 AML other m 2022-02-02T11:30:05.29
IV.SNTG.HHN. ML:1.0 0.00005785 1.28 AML other m 2022-02-02T11:30:06.69
IV.MURB.HHE. ML:1.5 0.000183 0.22 AML other m 2022-02-02T11:30:06.21
IV.MURB.HHN. ML:1.4 0.0001565 0.14 AML other m 2022-02-02T11:30:06.56
IV.SSFR.HHN. ML:1.4 0.0000786 0.18 AML other m 2022-02-02T11:30:10.61
IV.NRCA.HHN. ML:1.4 0.00007620000000000001 1.3 AML other m 2022-02-02T11:30:10.99
IV.SSFR.HHE. ML:1.2 0.000055849999999999996 0.62 AML other m 2022-02-02T11:30:11.31
IV.NRCA.HHE. ML:1.2 0.000049600000000000006 1.52 AML other m 2022-02-02T11:30:11.86
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