Earthquake with magnitude of ML 1.3 on date 20-03-2022 and time 07:11:18 (Italy) in region 3 km NW Gualdo Cattaneo (PG)

A magnitude ML 1.3 earthquake occured in region: 3 km NW Gualdo Cattaneo (PG), on

  • 20-03-2022 06:11:18 (UTC)
  • 20-03-2022 07:11:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9390, 12.5400 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.

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 Cattaneo PG 4 6155 6155
Bevagna PG 6 5081 11236
Cannara PG 7 4305 15541
Bettona PG 10 4367 19908
Collazzone PG 10 3473 23381
Montefalco PG 10 5679 29060
Deruta PG 11 9669 38729
Giano dell'Umbria PG 12 3846 42575
Spello PG 12 8645 51220
Torgiano PG 13 6725 57945
Foligno PG 14 57155 115100
Bastia Umbra PG 14 21874 136974
Assisi PG 16 28299 165273
Marsciano PG 17 18902 184175
Fratta Todina PG 17 1839 186014
Castel Ritaldi PG 17 3278 189292
Massa Martana PG 18 3770 193062
Trevi PG 18 8469 201531
Monte Castello di Vibio PG 19 1567 203098

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km W of Foligno (57155 inhabitants)
22 Km SE of Perugia (166134 inhabitants)
43 Km N of Terni (111501 inhabitants)
68 Km NE of Viterbo (67173 inhabitants)
79 Km SE of Arezzo (99543 inhabitants)
96 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 2022-03-20
06:11:18
42.9388 12.5402 10 2022-03-20
06:17:09
Sala Sismica INGV-Roma 102171851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-20 06:11:18 ± 0.11
Latitude 42.9388 ± 0.0072
Longitude 12.5402 ± 0.0147
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 102171851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1294
Semi-minor axis of confidence ellipse (meter) 574
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 115
Circular confidence region, given by single value of horizontal uncertainty (meter) 1290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59625
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 102171851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-20 06:17:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IMOL.HNZ. 2022-03-20T06:12:04.53 3.0 undecidable manual S -0.05 0
IV.PIEI.HHZ. 2022-03-20T06:11:30.80 0.6 undecidable manual P 360 66.1893 50 0.81 36
IV.ATCC.EHZ. 2022-03-20T06:11:28.35 0.6 undecidable manual S 16 28.4493 50 -0.22 47
IV.ATMI.HHZ. 2022-03-20T06:11:27.63 0.6 positive manual P 333 49.1175 50 0.28 45
IV.NRCA.HHZ. 2022-03-20T06:11:27.16 0.6 undecidable manual P 104 48.1185 50 -0.04 47
IV.MGAB.HHZ. 2022-03-20T06:11:25.01 0.1 undecidable manual P 265 34.8429 50 -0.15 94
IV.ASSB.HHZ. 2022-03-20T06:11:24.08 0.3 undecidable manual S 40 14.9739 122 -0.25 72
IV.MOMA.HHZ. 2022-03-20T06:11:24.24 0.3 undecidable manual S 171 15.1737 122 -0.14 73
IT.FOPC.HGE. 2022-03-20T06:11:24.06 0.3 undecidable manual S 75 13.6752 125 0.12 74
IV.ATCC.EHZ. 2022-03-20T06:11:23.20 1.0 positive manual P 16 28.4493 50 -0.98 18
IT.FOPC.HGE. 2022-03-20T06:11:21.59 0.1 undecidable manual P 75 13.6752 125 0.09 99
IV.ASSB.HHZ. 2022-03-20T06:11:21.75 0.1 undecidable manual P 40 14.9739 122 0.03 100
IV.MOMA.HHZ. 2022-03-20T06:11:21.84 0.1 positive manual P 171 15.1737 122 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:0.6 0.00004053318 0.1824 AML other m 2022-03-20T06:11:26.01
IV.ASSB.HHN. ML:0.8 0.00005845684500000001 0.08 AML other m 2022-03-20T06:11:25.11
IV.MOMA.HHN. ML:1.4 0.00023199999999999997 0.9 AML other m 2022-03-20T06:11:25.71
IV.MOMA.HHE. ML:1.4 0.00022072725 0.1824 AML other m 2022-03-20T06:11:25.71
IV.NRCA.HHN. ML:1.2 0.00004305 1.86 AML other m 2022-03-20T06:11:34.99
IV.NRCA.HHE. ML:1.3 0.0000498 0.72 AML other m 2022-03-20T06:11:36.00
IV.MOMA.HNE. ML:1.4 0.00022210045 0.1088 AML other m 2022-03-20T06:11:25.70
IV.MOMA.HNN. ML:1.3 0.00019436315 0.1408 AML other m 2022-03-20T06:11:25.64
IV.ATCC.EHE. ML:1.2 0.00008379506 0.3616 AML other m 2022-03-20T06:11:32.01
IV.ATCC.EHN. ML:1.1 0.00005770128 0.1824 AML other m 2022-03-20T06:11:32.60
IV.ATCC.HNE. ML:1.4 0.000113230735 0.368 AML other m 2022-03-20T06:11:32.19
IV.ATCC.HNN. ML:1.5 0.00015588055 0.5696 AML other m 2022-03-20T06:11:26.46
IV.MGAB.HHE. ML:0.9 0.000033461638 0.1792 AML other m 2022-03-20T06:11:32.24
IV.MGAB.HHN. ML:0.8 0.000025720005 0.1824 AML other m 2022-03-20T06:11:33.83
IV.MGAB.HNE. ML:1.4 0.00010840545500000001 0.9376 AML other m 2022-03-20T06:11:38.66
IV.MGAB.HNN. ML:1.6 0.00017809369999999999 0.6208 AML other m 2022-03-20T06:11:31.40
IV.NRCA.HNE. ML:1.7 0.0001409564 0.5504 AML other m 2022-03-20T06:11:48.56
IV.NRCA.HNN. ML:1.9 0.00022484165000000002 0.6688 AML other m 2022-03-20T06:11:37.53
IV.ATMI.HHE. ML:1.4 0.00006380366 0.3808 AML other m 2022-03-20T06:11:36.64
IV.ATMI.HHN. ML:1.3 0.00005635549 0.3616 AML other m 2022-03-20T06:11:37.84
IV.PIEI.HHE. ML:1.1 0.000025162165 1.9392 AML other m 2022-03-20T06:11:56.65
IV.PIEI.HHN. ML:1.0 0.00001766572 1.2768 AML other m 2022-03-20T06:11:32.71
IV.PIEI.HNE. ML:1.8 0.00011271719999999999 0.72 AML other m 2022-03-20T06:11:39.02
IV.PIEI.HNN. ML:1.8 0.00010604467000000001 0.6016 AML other m 2022-03-20T06:11:39.92
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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