Earthquake with magnitude of ML 0.5 on date 28-07-2022 and time 23:50:33 (Italy) in region 8 km NW Sellano (PG)

A magnitude ML 0.5 earthquake occured in region: 8 km NW Sellano (PG), on

  • 28-07-2022 21:50:33 (UTC)
  • 28-07-2022 23:50:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9460, 12.8680 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
Sellano PG 8 1079 1079
Monte Cavallo MC 12 145 1224
Trevi PG 12 8469 9693
Foligno PG 13 57155 66848
Cerreto di Spoleto PG 15 1075 67923
Serravalle di Chienti MC 16 1070 68993
Valtopina PG 16 1398 70391
Campello sul Clitunno PG 16 2442 72833
Preci PG 16 724 73557
Spello PG 17 8645 82202
Visso MC 18 1107 83309
Montefalco PG 18 5679 88988
Pieve Torina MC 19 1458 90446
Nocera Umbra PG 20 5839 96285
Vallo di Nera PG 20 364 96649

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km E of Foligno (57155 inhabitants)
43 Km E of Perugia (166134 inhabitants)
46 Km NE of Terni (111501 inhabitants)
75 Km W of Teramo (54892 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
86 Km NE of Viterbo (67173 inhabitants)
91 Km SW of Ancona (100861 inhabitants)
99 Km SE of Arezzo (99543 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 0.5 2022-07-28
21:50:33
42.9458 12.8685 11 2022-07-28
22:04:51
Sala Sismica INGV-Roma 107813461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-28 21:50:33 ± 0.08
Latitude 42.9458 ± 0.0054
Longitude 12.8685 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 107813461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 548
Semi-minor axis of confidence ellipse (meter) 327
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 180
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29138
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.6
Num. used stations 12
Type of magnitude ML
Reference to an origin 107813461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-28 22:04:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SAMA.EHZ. 2022-07-28T21:51:11.01 3.0 undecidable manual S -0.04 0
IV.SSFR.HHZ. 2022-07-28T21:50:49.72 3.0 undecidable manual S -0.27 0
IV.FRON.EHZ. 2022-07-28T21:50:47.00 3.0 undecidable manual P 3.07 0
IV.CSP1.EHZ. 2022-07-28T21:50:44.49 0.6 undecidable manual S 59 31.746 50 0.01 49
IV.ATCC.EHZ. 2022-07-28T21:50:44.72 0.6 undecidable manual S 325 32.3454 50 0.06 49
IV.NRCA.HHZ. 2022-07-28T21:50:42.22 0.6 undecidable manual S 122 23.5542 50 -0.08 49
IV.MML1.EHZ. 2022-07-28T21:50:41.37 0.3 undecidable manual S 24 20.3685 117 -0.01 75
IV.ASSB.HHZ. 2022-07-28T21:50:41.10 0.6 undecidable manual S 302 20.1687 117 -0.19 48
IV.FDMO.HHZ. 2022-07-28T21:50:40.97 0.6 undecidable manual S 60 20.3685 117 -0.41 46
IV.ATCC.EHZ. 2022-07-28T21:50:39.93 1.0 positive manual P 325 32.3454 50 0.02 25
IV.CSP1.EHZ. 2022-07-28T21:50:39.97 1.0 undecidable manual P 59 31.746 50 0.16 24
IV.NRCA.HHZ. 2022-07-28T21:50:38.54 0.1 negative manual P 122 23.5542 50 -0.01 100
IV.MML1.EHZ. 2022-07-28T21:50:38.02 1.0 positive manual P 24 20.3685 117 0.01 25
IV.FDMO.HHZ. 2022-07-28T21:50:38.14 1.0 undecidable manual P 60 20.3685 117 0.12 25
IV.ASSB.HHZ. 2022-07-28T21:50:37.86 0.1 negative manual P 302 20.1687 117 -0.11 99
IV.CESI.HHZ. 2022-07-28T21:50:37.86 0.6 undecidable manual S 24 7.1928 146 0.04 51
IV.CESI.HHZ. 2022-07-28T21:50:36.28 0.1 positive manual P 24 7.1928 146 0.32 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.6 0.00006055 1.84 AML other m 2022-07-28T21:50:37.05
IV.CESI.HHN. ML:0.6 0.000054800000000000004 0.58 AML other m 2022-07-28T21:50:38.40
IV.ASSB.HHN. ML:0.3 0.000013464999999999999 0.36 AML other m 2022-07-28T21:50:41.25
IV.MML1.EHE. ML:0.2 0.000011299999999999999 0.16 AML other m 2022-07-28T21:50:41.48
IV.FDMO.HHN. ML:0.4 0.0000178 0.7 AML other m 2022-07-28T21:50:41.22
IV.FDMO.HHE. ML:0.5 0.00002305 0.9 AML other m 2022-07-28T21:50:41.36
IV.ASSB.HHE. ML:0.3 0.00001695 0.64 AML other m 2022-07-28T21:50:42.03
IV.MML1.EHN. ML:0.2 0.000011 0.18 AML other m 2022-07-28T21:50:42.24
IV.NRCA.HHN. ML:0.9 0.000045700000000000006 0.1 AML other m 2022-07-28T21:50:42.35
IV.NRCA.HHE. ML:0.7 0.00002845 0.16 AML other m 2022-07-28T21:50:42.84
IV.SAMA.EHE. ML:5.1 0.0755 0.42 AML other m 2022-07-28T21:51:03.42
IV.SAMA.EHN. ML:5.2 0.0935 0.42 AML other m 2022-07-28T21:51:03.83
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