Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 07-07-2022 and time 01:21:31 (UTC) in region 5 km NW Cerreto di Spoleto (PG)

A magnitude ML 1.1 earthquake occured in region: 5 km NW Cerreto di Spoleto (PG), on

  • 07-07-2022 01:21:31 (UTC)
  • 07-07-2022 03:21:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8560, 12.8780 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
Cerreto di Spoleto PG 5 1075 1075
Sellano PG 6 1079 2154
Campello sul Clitunno PG 9 2442 4596
Vallo di Nera PG 10 364 4960
Trevi PG 11 8469 13429
Preci PG 13 724 14153
Sant'Anatolia di Narco PG 14 564 14717
Scheggino PG 16 461 15178
Poggiodomo PG 17 117 15295
Castel Ritaldi PG 17 3278 18573
Spoleto PG 18 38218 56791
Foligno PG 18 57155 113946
Monte Cavallo MC 18 145 114091
Montefalco PG 19 5679 119770
Cascia PG 19 3217 122987
Norcia PG 19 4957 127944
Visso MC 19 1107 129051

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km SE of Foligno (57155 inhabitants)
38 Km NE of Terni (111501 inhabitants)
49 Km SE of Perugia (166134 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
71 Km W of Teramo (54892 inhabitants)
80 Km NE of Viterbo (67173 inhabitants)
96 Km N of Guidonia Montecelio (88673 inhabitants)
99 Km N of Tivoli (56533 inhabitants)
99 Km SW of Ancona (100861 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 2022-07-07
01:21:31		 42.856 12.8783 10 2022-07-07
01:41:02		 Sala Sismica INGV-Roma 106891171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-07 01:21:31 ± 0.06
Latitude 42.8560 ± 0.0027
Longitude 12.8783 ± 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 106891171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 313
Semi-minor axis of confidence ellipse (meter) 261
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) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 24
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) 0.40380
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 106891171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-07 01:41:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2022-07-07T01:21:51.86 3.0 undecidable manual S -1.96 0
IV.SMA1.EHZ. 2022-07-07T01:21:47.18 0.3 undecidable manual S 124 44.8218 50 0.64 62
IT.MMP1.HGZ. 2022-07-07T01:21:44.39 3.0 positive manual P 0.25 0
IV.MMO1.EHZ. 2022-07-07T01:21:44.38 0.3 undecidable manual S 82 36.741 50 0 73
IV.ARRO.EHZ. 2022-07-07T01:21:43.18 0.6 undecidable manual S 197 32.0457 50 0.05 49
IV.CSP1.EHZ. 2022-07-07T01:21:43.70 1.0 undecidable manual S 45 37.2294 50 -0.81 19
IV.MML1.EHZ. 2022-07-07T01:21:42.54 0.3 undecidable manual S 15 29.5482 50 0.08 73
IV.FDMO.HHZ. 2022-07-07T01:21:41.30 0.3 undecidable manual S 40 26.2515 50 -0.27 70
IV.MOMA.HHZ. 2022-07-07T01:21:41.57 0.3 undecidable manual S 257 25.752 50 0.13 73
IV.EL6.EHZ. 2022-07-07T01:21:41.92 3.0 positive manual P -0.13 0
IV.MC2.EHZ. 2022-07-07T01:21:41.72 0.3 undecidable manual S 76 25.9518 50 0.21 71
IV.ASSB.HHZ. 2022-07-07T01:21:41.75 0.3 undecidable manual S 319 27.3504 50 -0.11 73
IV.SMA1.EHZ. 2022-07-07T01:21:40.41 1.0 negative manual P 124 44.8218 50 0.07 24
IV.CSP1.EHZ. 2022-07-07T01:21:39.11 0.3 undecidable manual P 45 37.2294 50 -0.06 72
IV.NRCA.HHZ. 2022-07-07T01:21:39.25 0.3 undecidable manual S 97 19.3695 117 -0.19 73
IV.ATCC.EHZ. 2022-07-07T01:21:39.81 3.0 undecidable manual P 0.03 0
IV.MMO1.EHZ. 2022-07-07T01:21:38.89 0.6 negative manual P 82 36.741 50 -0.21 47
IV.ARRO.EHZ. 2022-07-07T01:21:38.09 0.6 positive manual P 197 32.0457 50 -0.28 46
IV.CESI.HHZ. 2022-07-07T01:21:38.94 0.3 undecidable manual S 7 16.6722 121 0.32 71
IV.GAVE.EHZ. 2022-07-07T01:21:38.87 0.3 undecidable manual S 176 18.2706 119 -0.22 72
IV.ASSB.HHZ. 2022-07-07T01:21:37.48 0.1 negative manual P 319 27.3504 50 -0.16 96
IV.MML1.EHZ. 2022-07-07T01:21:37.91 0.3 positive manual P 15 29.5482 50 -0.08 73
IV.FDMO.HHZ. 2022-07-07T01:21:37.31 0.6 positive manual P 40 26.2515 50 -0.17 48
IV.MOMA.HHZ. 2022-07-07T01:21:37.50 0.3 undecidable manual P 257 25.752 50 0.1 73
IV.MC2.EHZ. 2022-07-07T01:21:37.55 0.6 undecidable manual P 76 25.9518 50 0.11 49
IV.CESI.HHZ. 2022-07-07T01:21:36.01 0.1 positive manual P 7 16.6722 121 0.24 96
IV.GAVE.EHZ. 2022-07-07T01:21:36.08 0.1 positive manual P 176 18.2706 119 0.04 100
IV.NRCA.HHZ. 2022-07-07T01:21:36.09 0.6 undecidable manual P 97 19.3695 117 -0.15 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.4 0.0002275 0.24 AML other m 2022-07-07T01:21:39.28
IV.CESI.HHE. ML:1.0 0.0000824 0.58 AML other m 2022-07-07T01:21:39.31
IV.NRCA.HHN. ML:1.1 0.00008854999999999998 0.38 AML other m 2022-07-07T01:21:39.33
IV.CESI.HHN. ML:1.1 0.00010889999999999999 0.12 AML other m 2022-07-07T01:21:39.40
IV.GAVE.EHN. ML:1.3 0.000165 1.54 AML other m 2022-07-07T01:21:39.86
IV.NRCA.HHE. ML:0.9 0.00005885 0.4 AML other m 2022-07-07T01:21:40.67
IV.FDMO.HHN. ML:0.8 0.0000344 0.14 AML other m 2022-07-07T01:21:41.56
IV.ASSB.HHE. ML:1.0 0.000051450000000000004 0.72 AML other m 2022-07-07T01:21:41.90
IV.FDMO.HHE. ML:0.8 0.000035199999999999995 0.78 AML other m 2022-07-07T01:21:41.51
IV.ASSB.HHN. ML:1.1 0.00006855 0.18 AML other m 2022-07-07T01:21:41.98
IV.MML1.EHE. ML:0.9 0.000040050000000000004 0.18 AML other m 2022-07-07T01:21:42.63
IV.MML1.EHN. ML:0.7 0.00002465 0.42 AML other m 2022-07-07T01:21:44.25
IV.CSP1.EHN. ML:1.5 0.000114 0.72 AML other m 2022-07-07T01:21:45.26
IV.CSP1.EHE. ML:1.5 0.00010910000000000001 0.34 AML other m 2022-07-07T01:21:45.22
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