Earthquake with magnitude of ML 1.1 on date 06-07-2021 and time 13:34:42 (UTC) in region 4 km SE Gualdo Cattaneo (PG)

A magnitude ML 1.1 earthquake occured in region: 4 km SE Gualdo Cattaneo (PG), on

  • 06-07-2021 13:34:42 (UTC)
  • 06-07-2021 15:34:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8770, 12.5830 at 8 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
Giano dell'Umbria PG 5 3846 10001
Montefalco PG 6 5679 15680
Bevagna PG 7 5081 20761
Castel Ritaldi PG 10 3278 24039
Collazzone PG 12 3473 27512
Massa Martana PG 12 3770 31282
Cannara PG 13 4305 35587
Foligno PG 13 57155 92742
Trevi PG 14 8469 101211
Spello PG 15 8645 109856
Bettona PG 17 4367 114223
Campello sul Clitunno PG 17 2442 116665
Deruta PG 18 9669 126334
Todi PG 18 16851 143185
Fratta Todina PG 18 1839 145024
Monte Castello di Vibio PG 19 1567 146591

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SW of Foligno (57155 inhabitants)
30 Km SE of Perugia (166134 inhabitants)
36 Km N of Terni (111501 inhabitants)
64 Km NE of Viterbo (67173 inhabitants)
87 Km SE of Arezzo (99543 inhabitants)
89 Km NW of L'Aquila (69753 inhabitants)
95 Km W of Teramo (54892 inhabitants)
98 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
Reviewed
Rev100
ML 1.1 2021-07-06
13:34:42
42.8773 12.5827 8 2021-07-06
13:46:54
Sala Sismica INGV-Roma 92307751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-06 13:34:42 ± 0.05
Latitude 42.8773 ± 0.0027
Longitude 12.5827 ± 0.0049
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 92307751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 351
Semi-minor axis of confidence ellipse (meter) 314
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 252
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 23
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) 0.07374
Epicentral distance of station farthest from the epicenter (degree) 0.65920
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 92307751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-06 13:46:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2021-07-06T13:35:06.64 3.0 undecidable manual S 73.1712 1.45 0
IV.CAFI.HHZ. 2021-07-06T13:35:05.27 3.0 undecidable manual S 315 70.7736 50 0.72 0
IV.PIEI.HHZ. 2021-07-06T13:35:03.48 0.1 undecidable manual P 73.1712 7.92 0
IV.MURB.HHZ. 2021-07-06T13:34:57.55 0.6 undecidable manual S 354 43.0236 50 0.39 45
IV.FDMO.HHZ. 2021-07-06T13:34:57.75 0.6 undecidable manual S 67 44.622 50 0.17 47
IV.CAFI.HHZ. 2021-07-06T13:34:55.16 1.0 undecidable manual P 315 70.7736 50 -0.03 23
IV.ARRO.EHZ. 2021-07-06T13:34:55.43 0.6 undecidable manual S 156 36.2415 102 0.17 47
IV.MGAB.HHZ. 2021-07-06T13:34:55.96 0.6 undecidable manual S 276 38.4282 50 0.03 48
IV.ATCC.EHZ. 2021-07-06T13:34:54.16 0.6 undecidable manual S 8 34.4433 102 -0.48 44
IV.GAVE.EHZ. 2021-07-06T13:34:53.91 0.6 undecidable manual S 129 32.6451 103 -0.11 48
IV.CESX.HHZ. 2021-07-06T13:34:52.66 0.6 undecidable manual S 179 29.8479 104 -0.41 45
IV.FDMO.HHZ. 2021-07-06T13:34:51.23 0.6 positive manual P 67 44.622 50 0.07 48
IV.MGAB.HHZ. 2021-07-06T13:34:50.01 0.6 negative manual P 276 38.4282 50 -0.2 47
IV.MURB.HHZ. 2021-07-06T13:34:50.77 0.6 negative manual P 354 43.0236 50 -0.15 47
IV.ARRO.EHZ. 2021-07-06T13:34:49.59 1.0 positive manual P 156 36.2415 102 -0.24 23
IV.ASSB.HHZ. 2021-07-06T13:34:49.82 0.6 undecidable manual S 19 19.3695 111 0.22 48
IV.ATCC.EHZ. 2021-07-06T13:34:49.21 0.6 negative manual P 8 34.4433 102 -0.26 47
IV.CESX.HHZ. 2021-07-06T13:34:48.26 1.0 negative manual P 179 29.8479 104 -0.3 23
IV.GAVE.EHZ. 2021-07-06T13:34:48.92 0.6 positive manual P 129 32.6451 103 -0.19 47
IV.CESI.HNE. 2021-07-06T13:34:48.50 1.0 undecidable manual P 61 29.748 104 -0.05 25
IV.ASSB.HHZ. 2021-07-06T13:34:46.65 0.3 positive manual P 19 19.3695 111 0.09 74
IV.MOMA.HHZ. 2021-07-06T13:34:46.42 0.6 undecidable manual S 187 8.1807 132 0.17 50
IT.GNU.HGN. 2021-07-06T13:34:46.38 0.6 undecidable manual S 187 8.1807 132 0.12 50
IT.GNU.HGN. 2021-07-06T13:34:44.76 0.1 undecidable manual P 187 8.1807 132 0.13 100
IV.MOMA.HHZ. 2021-07-06T13:34:44.76 0.1 positive manual P 187 8.1807 132 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HNE. ML:1.9 0.00135 0.14 AML other m 2021-07-06T13:34:46.89
IV.MOMA.HHE. ML:2.0 0.0015400000000000001 0.14 AML other m 2021-07-06T13:34:46.89
IV.MOMA.HHN. ML:1.8 0.00109 0.14 AML other m 2021-07-06T13:34:47.18
IV.MOMA.HNN. ML:1.8 0.00106 1.54 AML other m 2021-07-06T13:34:47.11
IV.ASSB.HHE. ML:0.9 0.00007209999999999999 0.34 AML other m 2021-07-06T13:34:50.27
IV.ASSB.HHN. ML:1.0 0.00008854999999999998 0.16 AML other m 2021-07-06T13:34:51.05
IV.CESX.HHE. ML:1.0 0.000052850000000000004 0.56 AML other m 2021-07-06T13:34:53.81
IV.CESX.HHN. ML:1.1 0.00006185 1.42 AML other m 2021-07-06T13:34:53.89
IV.ATCC.EHE. ML:1.3 0.0000842 0.82 AML other m 2021-07-06T13:34:54.83
IV.ATCC.EHN. ML:1.2 0.0000707 1.66 AML other m 2021-07-06T13:34:54.85
IV.ARRO.EHE. ML:1.1 0.00004555 0.34 AML other m 2021-07-06T13:34:55.61
IV.GAVE.EHN. ML:1.1 0.000052900000000000005 0.54 AML other m 2021-07-06T13:34:56.52
IV.MGAB.HHN. ML:1.0 0.00003715 1.82 AML other m 2021-07-06T13:34:56.96
IV.MGAB.HHE. ML:1.0 0.000034149999999999997 0.14 AML other m 2021-07-06T13:34:57.27
IV.ARRO.EHN. ML:1.0 0.000041099999999999996 1.06 AML other m 2021-07-06T13:34:57.36
IV.GAVE.EHE. ML:1.0 0.0000438 0.78 AML other m 2021-07-06T13:34:57.19
IV.MURB.HHE. ML:1.5 0.00011235000000000001 0.22 AML other m 2021-07-06T13:34:58.27
IV.FDMO.HHN. ML:0.7 0.0000167 0.12 AML other m 2021-07-06T13:35:00.19
IV.MURB.HHN. ML:1.6 0.000113 0.28 AML other m 2021-07-06T13:35:00.35
IV.FDMO.HHE. ML:0.7 0.00001345 0.42 AML other m 2021-07-06T13:35:00.74
IV.CAFI.HHE. ML:0.8 0.000012335854 0.3392 AML other m 2021-07-06T13:35:06.99
IV.CAFI.HHN. ML:0.8 0.000011041833 0.3776 AML other m 2021-07-06T13:35:07.97
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