Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 04-04-2022 and time 07:02:41 (UTC) in region 4 km NW Preci (PG)

A magnitude ML 0.8 earthquake occured in region: 4 km NW Preci (PG), on

  • 04-04-2022 07:02:41 (UTC)
  • 04-04-2022 09:02:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9020, 13.0000 at 9 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Preci PG 4 724 724
Sellano PG 6 1079 1803
Visso MC 8 1107 2910
Monte Cavallo MC 10 145 3055
Cerreto di Spoleto PG 11 1075 4130
Ussita MC 12 444 4574
Castelsantangelo sul Nera MC 13 281 4855
Norcia PG 14 4957 9812
Pieve Torina MC 16 1458 11270
Fiordimonte MC 17 202 11472
Vallo di Nera PG 18 364 11836
Pievebovigliana MC 19 866 12702
Serravalle di Chienti MC 19 1070 13772
Fiastra MC 20 559 14331

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
55 Km E of Perugia (166134 inhabitants)
64 Km W of Teramo (54892 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
91 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
07:02:41		 42.9023 12.9998 9 2022-04-04
07:11:26		 Sala Sismica INGV-Roma 102760791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-04 07:02:41 ± 0.22
Latitude 42.9023 ± 0.0045
Longitude 12.9998 ± 0.0098
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 102760791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 748
Semi-minor axis of confidence ellipse (meter) 266
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.07015
Epicentral distance of station farthest from the epicenter (degree) 0.24102
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 102760791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-04 07:11:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2022-04-04T07:02:51.10 0.6 undecidable manual S 38 26.751 108 0.22 63
IV.MML1.HNZ. 2022-04-04T07:02:49.72 0.6 undecidable manual S 354 23.5542 111 -0.09 65
IV.FDMO.HHZ. 2022-04-04T07:02:47.69 0.6 undecidable manual S 25 16.4724 119 0.1 66
IV.GAVE.HNZ. 2022-04-04T07:02:46.90 0.3 undecidable manual P 200 24.8529 110 0.53 88
IV.NRCA.HHZ. 2022-04-04T07:02:46.02 0.3 undecidable manual S 129 12.0768 127 -0.27 96
IV.CESI.HHZ. 2022-04-04T07:02:46.50 0.3 undecidable manual S 326 13.7751 123 -0.28 95
IV.MML1.HNZ. 2022-04-04T07:02:46.34 0.6 undecidable manual P 354 23.5542 111 0.22 63
IV.CSP1.EHZ. 2022-04-04T07:02:46.48 0.6 undecidable manual P 38 26.751 108 -0.26 62
IV.FEMA.HNN. 2022-04-04T07:02:45.58 0.3 undecidable manual S 31 7.7811 139 0.39 94
IV.FDMO.HHZ. 2022-04-04T07:02:44.81 0.3 undecidable manual P 25 16.4724 119 -0.03 100
IV.MC2.EHZ. 2022-04-04T07:02:44.24 1.0 undecidable manual P 86 15.3735 120 -0.41 31
IV.CESI.HHZ. 2022-04-04T07:02:44.15 0.3 undecidable manual P 326 13.7751 123 -0.22 97
IV.FEMA.HNN. 2022-04-04T07:02:43.57 0.3 undecidable manual P 31 7.7811 139 0.12 100
IV.NRCA.HHZ. 2022-04-04T07:02:43.91 0.3 undecidable manual P 129 12.0768 127 -0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.7 0.000060150000000000005 0.16 AML other m 2022-04-04T07:02:46.15
IV.NRCA.HHE. ML:0.6 0.000043945909999999996 0.0992 AML other m 2022-04-04T07:02:46.28
IV.FDMO.HHE. ML:1.0 0.0000837 0.16 AML other m 2022-04-04T07:02:47.77
IV.FDMO.HHN. ML:0.7 0.000043349999999999997 1.84 AML other m 2022-04-04T07:02:47.94
IV.NRCA.HNE. ML:1.0 0.00012521913 0.64 AML other m 2022-04-04T07:02:46.29
IV.NRCA.HNN. ML:1.3 0.00021628015 1.2416 AML other m 2022-04-04T07:02:50.53
IV.CESI.HHE. ML:0.4 0.000023795075 0.1408 AML other m 2022-04-04T07:02:46.80
IV.CESI.HHN. ML:0.6 0.00004028599500000001 0.0992 AML other m 2022-04-04T07:02:46.81
IV.CESI.HNN. ML:1.1 0.0001435071 0.7104 AML other m 2022-04-04T07:02:48.52
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