Earthquake with magnitude of ML 1.9 on date 21-02-2021 and time 22:19:51 (Italy) in region 3 km SE Gualdo Cattaneo (PG)

A magnitude ML 1.9 earthquake occured in region: 3 km SE Gualdo Cattaneo (PG), on

  • 21-02-2021 21:19:51 (UTC)
  • 21-02-2021 22:19:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8940, 12.5920 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.

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 3 6155 6155
Bevagna PG 5 5081 11236
Montefalco PG 5 5679 16915
Giano dell'Umbria PG 7 3846 20761
Castel Ritaldi PG 10 3278 24039
Cannara PG 11 4305 28344
Foligno PG 12 57155 85499
Collazzone PG 13 3473 88972
Spello PG 13 8645 97617
Trevi PG 13 8469 106086
Massa Martana PG 14 3770 109856
Bettona PG 16 4367 114223
Deruta PG 17 9669 123892
Campello sul Clitunno PG 17 2442 126334
Fratta Todina PG 19 1839 128173
Todi PG 19 16851 145024
Torgiano PG 20 6725 151749
Bastia Umbra PG 20 21874 173623
Assisi PG 20 28299 201922

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SW of Foligno (57155 inhabitants)
29 Km SE of Perugia (166134 inhabitants)
37 Km N of Terni (111501 inhabitants)
66 Km NE of Viterbo (67173 inhabitants)
86 Km SE of Arezzo (99543 inhabitants)
89 Km NW of L'Aquila (69753 inhabitants)
95 Km W of Teramo (54892 inhabitants)
100 Km N of Guidonia Montecelio (88673 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 1.9 2021-02-21
21:19:51
42.8942 12.5917 9 2021-07-12
16:55:03
Bollettino Sismico Italiano INGV 88374891
Reviewed
Rev100
ML 2.0 2021-02-21
21:19:51
42.8938 12.5943 9 2021-02-21
21:26:17
Sala Sismica INGV-Roma 87362211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-21 21:19:51 ± 0.05
Latitude 42.8942 ± 0.0027
Longitude 12.5917 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88374891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 365
Semi-minor axis of confidence ellipse (meter) 141
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 98
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59805
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 62
Type of magnitude ML
Reference to an origin 87362211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-21 21:26:17

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 48
Type of magnitude ML
Reference to an origin 88374891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-22 11:20:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHZ. 2021-02-21T21:20:15.02 3.0 undecidable manual S 0.3 0
IV.EL6.EHZ. 2021-02-21T21:20:12.63 3.0 undecidable manual S -0.01 0
IV.MMO1.EHZ. 2021-02-21T21:20:11.34 0.3 undecidable manual S 89 59.6958 50 0.57 61
IV.ATLO.HNN. 2021-02-21T21:20:08.30 0.6 undecidable manual S 342 49.0176 50 0.39 44
IV.FOSV.EHZ. 2021-02-21T21:20:07.65 0.3 undecidable manual S 17 46.5201 50 0.41 66
IV.MURB.HHZ. 2021-02-21T21:20:06.54 0.3 undecidable manual S 352 41.2254 50 0.7 60
IV.MGAB.HHZ. 2021-02-21T21:20:05.64 0.6 undecidable manual S 273 39.0276 50 0.4 44
IV.ARRO.EHZ. 2021-02-21T21:20:05.04 0.3 undecidable manual S 158 37.7289 50 0.15 70
IV.FEMA.HNE. 2021-02-21T21:20:04.86 0.6 undecidable manual S 78 37.9287 50 -0.1 47
IV.CAFI.HHZ. 2021-02-21T21:20:04.42 3.0 negative manual P -0.32 0
IV.ATCC.EHZ. 2021-02-21T21:20:03.48 0.3 undecidable manual S 7 32.5452 50 -0.03 73
IV.ATPI.EHZ. 2021-02-21T21:20:03.76 3.0 negative manual P 0.17 0
IV.EL6.EHZ. 2021-02-21T21:20:03.30 3.0 positive manual P -0.27 0
IV.GUMA.HHZ. 2021-02-21T21:20:03.60 0.3 undecidable manual P 73 63.1923 50 0.27 65
IV.SSFR.HHZ. 2021-02-21T21:20:03.02 0.3 undecidable manual P 14 62.0934 50 -0.14 67
IV.RM33.EHZ. 2021-02-21T21:20:03.78 0.3 undecidable manual P 130 66.378 50 -0.04 68
IV.ATMI.HHZ. 2021-02-21T21:20:02.27 0.6 undecidable manual P 332 55.4001 50 0.14 46
IV.MMO1.EHZ. 2021-02-21T21:20:02.64 0.1 undecidable manual P 89 59.6958 50 -0.16 90
IV.CESI.HHZ. 2021-02-21T21:20:02.34 0.6 undecidable manual S 64 28.2495 108 0.14 48
IV.CESX.HHZ. 2021-02-21T21:20:02.97 0.3 undecidable manual S 181 31.746 50 -0.32 69
IV.SACS.HHZ. 2021-02-21T21:20:02.32 3.0 undecidable manual P -0.18 0
IV.MC2.EHZ. 2021-02-21T21:20:01.54 3.0 positive manual P 0.37 0
IV.LNSS.HHZ. 2021-02-21T21:20:01.08 0.6 undecidable manual P 131 48.8178 50 -0.04 47
IV.ATFO.HHZ. 2021-02-21T21:20:01.63 0.6 undecidable manual P 358 52.4031 50 -0.05 47
IV.FDMO.HHZ. 2021-02-21T21:20:00.10 0.6 undecidable manual P 68 43.2234 50 -0.16 46
IV.ATLO.HNN. 2021-02-21T21:20:00.92 0.1 positive manual P 342 49.0176 50 -0.23 90
IV.FOSV.EHZ. 2021-02-21T21:20:00.57 0.3 undecidable manual P 17 46.5201 50 -0.2 69
IV.ATVA.EHN. 2021-02-21T21:20:00.92 0.1 positive manual P 330 49.3173 50 -0.28 89
IV.MGAB.HHZ. 2021-02-21T21:19:59.51 0.3 undecidable manual P 273 39.0276 50 -0.1 71
IV.ARRO.EHZ. 2021-02-21T21:19:59.52 0.3 undecidable manual P 158 37.7289 50 0.11 71
IT.MTCL.HGE. 2021-02-21T21:19:59.04 0.3 undecidable manual P 71 34.9428 50 0.06 72
IV.FEMA.HNE. 2021-02-21T21:19:59.56 0.3 undecidable manual P 78 37.9287 50 0.12 71
IV.NRCA.HHZ. 2021-02-21T21:19:59.98 0.6 undecidable manual P 99 43.0236 50 -0.25 45
IV.MURB.HHZ. 2021-02-21T21:19:59.86 0.1 negative manual P 352 41.2254 50 -0.1 94
IV.CESX.HHZ. 2021-02-21T21:19:58.11 0.3 undecidable manual P 181 31.746 50 -0.37 68
IV.ASSB.HHZ. 2021-02-21T21:19:58.57 0.3 undecidable manual S 18 17.3715 118 -0.14 73
IV.ATCC.EHZ. 2021-02-21T21:19:58.32 0.1 positive manual P 7 32.5452 50 -0.29 92
IV.GAVE.EHZ. 2021-02-21T21:19:58.60 0.3 undecidable manual P 132 33.3444 50 -0.13 71
IV.CESI.HHZ. 2021-02-21T21:19:57.67 0.1 positive manual P 64 28.2495 108 -0.19 95
IT.FOPC.HGZ. 2021-02-21T21:19:57.22 0.3 undecidable manual S 47 12.2766 126 -0.01 76
IV.MOMA.HHZ. 2021-02-21T21:19:56.83 0.3 undecidable manual S 190 10.1787 132 0.18 73
IT.GNU.HGZ. 2021-02-21T21:19:56.92 0.3 undecidable manual S 190 10.1787 132 0.27 72
IT.FOPC.HGZ. 2021-02-21T21:19:55.04 0.1 negative manual P 47 12.2766 126 0.05 100
IV.ASSB.HHZ. 2021-02-21T21:19:55.78 0.1 positive manual P 18 17.3715 118 -0.06 99
IV.MOMA.HHZ. 2021-02-21T21:19:54.76 0.1 positive manual P 190 10.1787 132 0.1 99
IT.GNU.HGZ. 2021-02-21T21:19:54.79 0.3 undecidable manual P 190 10.1787 132 0.14 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:2.1 0.0011949999999999999 0.34 AML other m 2021-02-21T21:19:59.34
IV.ASSB.HHN. ML:2.1 0.0010205 1.12 AML other m 2021-02-21T21:19:59.29
IV.CESI.HHN. ML:1.9 0.000421 0.26 AML other m 2021-02-21T21:20:02.98
IV.CESI.HHE. ML:1.8 0.0003255 0.28 AML other m 2021-02-21T21:20:03.25
IV.CESX.HHN. ML:2.2 0.000705 0.24 AML other m 2021-02-21T21:20:05.19
IV.ARRO.EHE. ML:1.9 0.00031800000000000003 0.24 AML other m 2021-02-21T21:20:05.89
IV.MGAB.HNE. ML:2.0 0.0003675 1.2 AML other m 2021-02-21T21:20:06.08
IV.CESX.HHE. ML:2.0 0.00047850000000000003 0.94 AML other m 2021-02-21T21:20:06.05
IV.ARRO.EHN. ML:2.0 0.0003475 0.2 AML other m 2021-02-21T21:20:06.78
IV.MGAB.HHE. ML:2.1 0.00045099999999999996 1.34 AML other m 2021-02-21T21:20:06.92
IV.FOSV.EHE. ML:2.0 0.000255 0.3 AML other m 2021-02-21T21:20:07.84
IV.NRCA.HHN. ML:2.1 0.0003875 0.18 AML other m 2021-02-21T21:20:07.96
IV.GAVE.EHN. ML:2.0 0.000489 1.7 AML other m 2021-02-21T21:20:08.98
IV.GAVE.EHE. ML:2.1 0.0005885 0.2 AML other m 2021-02-21T21:20:08.17
IV.MGAB.HHN. ML:2.2 0.000578 0.54 AML other m 2021-02-21T21:20:08.35
IV.MGAB.HNN. ML:2.2 0.0005229999999999999 0.54 AML other m 2021-02-21T21:20:08.35
IV.FDMO.HHE. ML:1.6 0.000135 0.76 AML other m 2021-02-21T21:20:08.67
IV.NRCA.HHE. ML:2.0 0.0003175 0.38 AML other m 2021-02-21T21:20:08.50
IV.FDMO.HHN. ML:1.8 0.00021400000000000002 0.18 AML other m 2021-02-21T21:20:09.15
IV.ATFO.HHE. ML:2.0 0.00025550000000000003 1.28 AML other m 2021-02-21T21:20:09.86
IV.FOSV.EHN. ML:2.0 0.00026450000000000003 0.42 AML other m 2021-02-21T21:20:10.11
IV.ATFO.HHN. ML:2.0 0.000223 1.5 AML other m 2021-02-21T21:20:10.99
IV.SACS.HHE. ML:1.7 0.00011105000000000002 0.24 AML other m 2021-02-21T21:20:13.79
IV.EL6.EHE. ML:2.2 0.00027749999999999997 1.64 AML other m 2021-02-21T21:20:14.88
IV.FRON.EHN. ML:2.0 0.000154 0.4 AML other m 2021-02-21T21:20:14.77
IV.RM33.EHE. ML:1.9 0.000155 0.26 AML other m 2021-02-21T21:20:14.98
IV.SMA1.EHE. ML:2.1 0.00022 1.44 AML other m 2021-02-21T21:20:16.76
IV.RM33.EHN. ML:2.1 0.0002225 0.4 AML other m 2021-02-21T21:20:16.15
IV.FRON.EHE. ML:1.9 0.000126 0.46 AML other m 2021-02-21T21:20:16.56
IV.ATPI.EHE. ML:1.8 0.000117 0.84 AML other m 2021-02-21T21:20:16.30
IV.ATPI.EHN. ML:1.7 0.000104 0.8 AML other m 2021-02-21T21:20:16.80
IV.SACS.HHN. ML:1.8 0.00013700000000000002 0.42 AML other m 2021-02-21T21:20:17.04
IV.PIEI.HHE. ML:1.9 0.00014050000000000003 0.26 AML other m 2021-02-21T21:20:17.13
IV.PIEI.HHN. ML:1.8 0.00010899999999999999 1.16 AML other m 2021-02-21T21:20:17.13
IV.CAFI.HHN. ML:1.7 0.0000838 0.52 AML other m 2021-02-21T21:20:17.53
IV.EL6.EHN. ML:2.1 0.00023815 0.44 AML other m 2021-02-21T21:20:17.75
IV.ARVD.HHE. ML:1.6 0.00006415 1.32 AML other m 2021-02-21T21:20:17.93
IV.CAFI.HHE. ML:1.8 0.00011 1.58 AML other m 2021-02-21T21:20:18.84
IV.SRES.HHN. ML:1.9 0.00013450000000000002 1.64 AML other m 2021-02-21T21:20:18.94
IV.SRES.HHE. ML:1.8 0.00010899999999999999 1.3 AML other m 2021-02-21T21:20:19.17
IV.ARVD.HHN. ML:1.5 0.0000553 0.64 AML other m 2021-02-21T21:20:20.62
IV.SMA1.EHN. ML:2.1 0.00021 0.36 AML other m 2021-02-21T21:20:21.81
IV.PARC.HHE. ML:2.0 0.0001255 1.54 AML other m 2021-02-21T21:20:22.97
IV.PARC.HHN. ML:1.9 0.00009305 0.64 AML other m 2021-02-21T21:20:23.02
IV.MF5.EHN. ML:1.9 0.0001365 0.72 AML other m 2021-02-21T21:20:23.69
IV.MF5.EHE. ML:2.0 0.000146 0.54 AML other m 2021-02-21T21:20:25.49
IV.MTCE.HHN. ML:1.7 0.00004765 0.72 AML other m 2021-02-21T21:20:25.57
IV.MTCE.HHE. ML:1.8 0.0000697 1.62 AML other m 2021-02-21T21:20:28.87
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
Waveforms Seismic signals in miniseed + resp format Download