Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 04-04-2022 and time 08:16:29 (Italy) in region 6 km E Nocera Umbra (PG)

A magnitude ML 0.8 earthquake occured in region: 6 km E Nocera Umbra (PG), on

  • 04-04-2022 06:16:29 (UTC)
  • 04-04-2022 08:16:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0930, 12.8660 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
Nocera Umbra PG 6 5839 5839
Serravalle di Chienti MC 7 1070 6909
Sefro MC 9 422 7331
Valtopina PG 10 1398 8729
Fiuminata MC 12 1402 10131
Pioraco MC 14 1134 11265
Muccia MC 15 915 12180
Monte Cavallo MC 16 145 12325
Pieve Torina MC 16 1458 13783
Gualdo Tadino PG 17 15208 28991
Camerino MC 17 6974 35965
Pievebovigliana MC 18 866 36831
Esanatoglia MC 19 2034 38865
Fiordimonte MC 19 202 39067
Spello PG 19 8645 47712

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Foligno (57155 inhabitants)
39 Km E of Perugia (166134 inhabitants)
62 Km N of Terni (111501 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
84 Km NW of Teramo (54892 inhabitants)
84 Km S of Fano (60888 inhabitants)
90 Km E of Arezzo (99543 inhabitants)
91 Km S of Pesaro (94582 inhabitants)
93 Km NW of L'Aquila (69753 inhabitants)
97 Km NE of Viterbo (67173 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 0.8 2022-04-04
06:16:29		 43.0933 12.8658 10 2022-04-04
06:20:25		 Sala Sismica INGV-Roma 102759331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-04 06:16:29 ± 0.06
Latitude 43.0933 ± 0.0036
Longitude 12.8658 ± 0.0049
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 102759331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 398
Semi-minor axis of confidence ellipse (meter) 396
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 231
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34804
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 102759331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-04 06:20:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2022-04-04T06:16:42.20 1.0 undecidable manual S 350 38.628 50 -0.15 24
IV.NRCA.HHZ. 2022-04-04T06:16:41.28 0.6 undecidable manual S 145 35.1426 50 -0.15 48
IV.EL6.EHZ. 2022-04-04T06:16:40.57 0.6 undecidable manual S 36 32.3454 50 -0.12 48
IV.CSP1.EHZ. 2022-04-04T06:16:39.44 0.6 undecidable manual S 90 27.4503 50 0.07 49
IV.SSFR.HHZ. 2022-04-04T06:16:37.36 0.1 undecidable manual P 350 38.628 50 0.51 88
IV.SNTG.HHZ. 2022-04-04T06:16:36.46 0.6 undecidable manual S 19 18.9699 118 -0.27 48
IV.NRCA.HHZ. 2022-04-04T06:16:36.16 0.3 positive manual P 145 35.1426 50 -0.15 72
IV.FDMO.HHZ. 2022-04-04T06:16:36.77 0.6 undecidable manual S 109 19.0698 117 0.01 51
IV.ASSB.HHZ. 2022-04-04T06:16:36.13 0.6 undecidable manual S 252 17.6712 119 -0.23 49
IV.FOSV.EHZ. 2022-04-04T06:16:35.62 3.0 undecidable manual P 1.37 0
IV.EL6.EHZ. 2022-04-04T06:16:35.73 0.6 positive manual P 36 32.3454 50 -0.15 48
IV.CSP1.EHZ. 2022-04-04T06:16:35.02 0.3 positive manual P 90 27.4503 50 -0.1 73
IV.CESI.HHZ. 2022-04-04T06:16:34.43 0.6 undecidable manual S 162 10.2786 134 0.15 50
IV.ASSB.HHZ. 2022-04-04T06:16:33.30 0.1 positive manual P 252 17.6712 119 -0.08 100
IV.SNTG.HHZ. 2022-04-04T06:16:33.59 0.6 undecidable manual P 19 18.9699 118 -0.01 51
IV.FDMO.HHZ. 2022-04-04T06:16:33.63 0.3 positive manual P 109 19.0698 117 0.01 76
IV.CESI.HHZ. 2022-04-04T06:16:32.36 0.1 undecidable manual P 162 10.2786 134 0.18 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:0.8 0.00005735 0.06 AML other m 2022-04-04T06:16:36.39
IV.ASSB.HHE. ML:0.9 0.00005965 0.24 AML other m 2022-04-04T06:16:36.61
IV.SNTG.HHN. ML:0.5 0.0000252 0.12 AML other m 2022-04-04T06:16:36.66
IV.FDMO.HHE. ML:0.8 0.00005215 0.12 AML other m 2022-04-04T06:16:36.96
IV.FDMO.HHN. ML:1.0 0.0000722 1.8 AML other m 2022-04-04T06:16:36.98
IV.SNTG.HHE. ML:0.6 0.00003175 0.44 AML other m 2022-04-04T06:16:37.20
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