Earthquake with magnitude of ML 0.4 on date 18-05-2022 and time 02:05:43 (Italy) in region 2 km N Sigillo (PG)

A magnitude ML 0.4 earthquake occured in region: 2 km N Sigillo (PG), on

  • 18-05-2022 00:05:43 (UTC)
  • 18-05-2022 02:05:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3480, 12.7420 at 13 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
Sigillo PG 2 2404 2404
Costacciaro PG 3 1216 3620
Fossato di Vico PG 6 2840 6460
Scheggia e Pascelupo PG 9 1393 7853
Gubbio PG 13 32216 40069
Fabriano AN 13 31480 71549
Gualdo Tadino PG 13 15208 86757
Sassoferrato AN 14 7285 94042
Serra Sant'Abbondio PU 16 1027 95069
Cantiano PU 17 2245 97314
Genga AN 18 1797 99111
Frontone PU 19 1300 100411
Esanatoglia MC 20 2034 102445

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NE of Perugia (166134 inhabitants)
44 Km N of Foligno (57155 inhabitants)
60 Km SW of Fano (60888 inhabitants)
64 Km S of Pesaro (94582 inhabitants)
70 Km W of Ancona (100861 inhabitants)
71 Km E of Arezzo (99543 inhabitants)
81 Km S of Rimini (147750 inhabitants)
88 Km N of Terni (111501 inhabitants)
97 Km SE of Cesena (96758 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 0.4 2022-05-18
00:05:43
43.3483 12.7418 13 2022-05-18
00:18:45
Sala Sismica INGV-Roma 104785531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-18 00:05:43 ± 0.08
Latitude 43.3483 ± 0.0036
Longitude 12.7418 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 104785531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 347
Semi-minor axis of confidence ellipse (meter) 329
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 308
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) 79
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.28688
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 104785531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-18 00:18:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2022-05-18T00:05:52.72 0.1 undecidable manual S 44 23.1546 102 0.25 94
IV.FRON.EHZ. 2022-05-18T00:05:51.38 0.1 undecidable manual S 356 18.87 107 0.02 98
IV.ATCC.EHZ. 2022-05-18T00:05:51.87 0.1 undecidable manual S 204 19.869 106 0.25 93
IV.SNTG.HHZ. 2022-05-18T00:05:51.30 0.1 undecidable manual S 123 19.0698 107 -0.12 96
IV.ATFO.HHZ. 2022-05-18T00:05:50.17 0.3 undecidable manual S 278 13.875 119 0.03 74
IV.SSFR.HHZ. 2022-05-18T00:05:49.59 0.1 undecidable manual S 18 10.2786 131 0.23 96
IV.NARO.HHZ. 2022-05-18T00:05:49.95 0.1 undecidable manual P 336 31.8459 97 -0.17 93
IV.PIEI.HHZ. 2022-05-18T00:05:49.17 0.1 undecidable manual P 321 26.6511 99 -0.15 95
IV.FRON.EHZ. 2022-05-18T00:05:48.06 0.1 undecidable manual P 356 18.87 107 -0.09 97
IV.ATCC.EHZ. 2022-05-18T00:05:48.16 0.1 undecidable manual P 204 19.869 106 -0.14 96
IV.SNTG.HHZ. 2022-05-18T00:05:48.30 0.3 undecidable manual P 123 19.0698 107 0.11 72
IV.ARVD.HHZ. 2022-05-18T00:05:48.73 0.1 undecidable manual P 44 23.1546 102 -0.06 96
IV.FOSV.EHZ. 2022-05-18T00:05:48.51 0.1 undecidable manual S 165 6.0939 149 -0.13 98
IV.SSFR.HHZ. 2022-05-18T00:05:47.04 0.1 undecidable manual P 18 10.2786 131 0.04 100
IV.ATFO.HHZ. 2022-05-18T00:05:47.50 0.1 undecidable manual P 278 13.875 119 0.05 98
IV.FOSV.EHZ. 2022-05-18T00:05:46.54 0.1 undecidable manual P 165 6.0939 149 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHE. ML:0.5 0.0000395 0.1 AML other m 2022-05-18T00:05:48.77
IV.FOSV.EHN. ML:0.3 0.000023 0.28 AML other m 2022-05-18T00:05:48.88
IV.SSFR.HHE. ML:0.4 0.0000253 0.7 AML other m 2022-05-18T00:05:49.61
IV.SSFR.HHN. ML:0.4 0.0000266 1.18 AML other m 2022-05-18T00:05:51.95
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