Earthquake with magnitude of ML 1.0 on date 18-04-2022 and time 20:07:32 (Italy) in region 7 km NW Sellano (PG)

A magnitude ML 1.0 earthquake occured in region: 7 km NW Sellano (PG), on

  • 18-04-2022 18:07:32 (UTC)
  • 18-04-2022 20:07:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9500, 12.8910 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 7 1079 1079
Monte Cavallo MC 10 145 1224
Trevi PG 14 8469 9693
Preci PG 14 724 10417
Serravalle di Chienti MC 15 1070 11487
Cerreto di Spoleto PG 15 1075 12562
Foligno PG 15 57155 69717
Visso MC 16 1107 70824
Valtopina PG 16 1398 72222
Pieve Torina MC 17 1458 73680
Campello sul Clitunno PG 17 2442 76122
Spello PG 18 8645 84767
Fiordimonte MC 19 202 84969
Muccia MC 19 915 85884
Nocera Umbra PG 20 5839 91723

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km E of Foligno (57155 inhabitants)
44 Km E of Perugia (166134 inhabitants)
48 Km NE of Terni (111501 inhabitants)
74 Km W of Teramo (54892 inhabitants)
78 Km NW of L'Aquila (69753 inhabitants)
87 Km NE of Viterbo (67173 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
100 Km S of Fano (60888 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 1.0 2022-04-18
18:07:32
42.9502 12.8907 10 2022-04-18
18:18:07
Sala Sismica INGV-Roma 103444201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-18 18:07:32 ± 0.05
Latitude 42.9502 ± 0.0018
Longitude 12.8907 ± 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 103444201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 304
Semi-minor axis of confidence ellipse (meter) 202
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 93
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29768
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 103444201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-18 18:18:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HHZ. 2022-04-18T18:07:46.18 3.0 undecidable manual S -0.18 0
IV.CSP1.EHZ. 2022-04-18T18:07:43.07 0.1 undecidable manual S 58 29.9478 50 0.09 94
IV.GAVE.EHZ. 2022-04-18T18:07:42.66 0.1 undecidable manual S 179 28.6491 50 0.04 96
IV.NRCA.HHZ. 2022-04-18T18:07:40.84 0.1 undecidable manual S 125 22.2555 115 0 98
IV.FDMO.HHZ. 2022-04-18T18:07:39.57 0.1 undecidable manual S 59 18.5703 119 -0.12 96
IV.GAVE.EHZ. 2022-04-18T18:07:38.20 0.1 undecidable manual P 179 28.6491 50 -0.08 95
IV.CSP1.EHZ. 2022-04-18T18:07:38.32 1.0 positive manual P 58 29.9478 50 -0.16 23
IV.ATCC.EHZ. 2022-04-18T18:07:38.83 0.6 negative manual P 322 33.0447 50 -0.13 47
IV.NRCA.HHZ. 2022-04-18T18:07:37.26 0.6 positive manual P 125 22.2555 115 0.02 49
IV.CESI.HHZ. 2022-04-18T18:07:36.48 0.1 undecidable manual S 10 6.1938 149 0.01 100
IV.FDMO.HHZ. 2022-04-18T18:07:36.62 0.1 undecidable manual P 59 18.5703 119 0.04 97
IV.CESI.HHZ. 2022-04-18T18:07:34.93 0.6 undecidable manual P 10 6.1938 149 0.21 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.9 0.00013355 0.18 AML other m 2022-04-18T18:07:36.61
IV.CESI.HHN. ML:1.0 0.0001725 0.12 AML other m 2022-04-18T18:07:36.68
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