Earthquake with magnitude of ML 0.9 on date 11-04-2022 and time 21:59:03 (UTC) in region 2 km SW Preci (PG)

A magnitude ML 0.9 earthquake occured in region: 2 km SW Preci (PG), on

  • 11-04-2022 21:59:03 (UTC)
  • 11-04-2022 23:59:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8700, 13.0190 at 11 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
Preci PG 2 724 724
Sellano PG 8 1079 1803
Visso MC 9 1107 2910
Cerreto di Spoleto PG 10 1075 3985
Norcia PG 11 4957 8942
Castelsantangelo sul Nera MC 11 281 9223
Ussita MC 13 444 9667
Monte Cavallo MC 14 145 9812
Cascia PG 17 3217 13029
Vallo di Nera PG 17 364 13393
Poggiodomo PG 19 117 13510
Fiordimonte MC 20 202 13712
Pieve Torina MC 20 1458 15170

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
58 Km E of Perugia (166134 inhabitants)
61 Km W of Teramo (54892 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
90 Km NE of Viterbo (67173 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
100 Km N of Guidonia Montecelio (88673 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 0.9 2022-04-11
21:59:03
42.8703 13.0193 11 2022-04-11
22:04:07
Sala Sismica INGV-Roma 103098741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-11 21:59:03 ± 0.05
Latitude 42.8703 ± 0.0027
Longitude 13.0193 ± 0.0037
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 103098741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 309
Semi-minor axis of confidence ellipse (meter) 296
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 89
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.07824
Epicentral distance of station farthest from the epicenter (degree) 0.25990
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 103098741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-11 22:04:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2022-04-11T21:59:12.32 0.3 undecidable manual S 83 25.1526 50 -0.14 73
IV.GAVE.EHN. 2022-04-11T21:59:11.64 0.3 undecidable manual S 207 22.2555 50 -0.03 75
IV.FDMO.HHZ. 2022-04-11T21:59:10.77 0.3 undecidable manual S 17 19.2696 50 -0.1 74
IV.CESI.HHZ. 2022-04-11T21:59:10.33 0.3 undecidable manual S 328 17.5713 50 -0.11 74
IV.CSP1.EHZ. 2022-04-11T21:59:09.25 0.6 negative manual P 31 28.8489 50 0.12 48
IV.MC2.EHZ. 2022-04-11T21:59:09.77 0.3 undecidable manual S 72 14.4744 127 0.2 72
IV.MMO1.EHZ. 2022-04-11T21:59:08.59 0.6 positive manual P 83 25.1526 50 0.02 49
IV.GAVE.EHN. 2022-04-11T21:59:08.21 0.1 undecidable manual P 207 22.2555 50 0.09 98
IV.MC2.EHZ. 2022-04-11T21:59:07.09 0.6 positive manual P 72 14.4744 127 0.19 48
IV.FDMO.HHZ. 2022-04-11T21:59:07.70 0.3 undecidable manual P 17 19.2696 50 0.05 75
IV.NRCA.HHZ. 2022-04-11T21:59:07.84 0.3 undecidable manual S 118 8.6802 141 -0.28 74
IV.CESI.HHZ. 2022-04-11T21:59:07.45 0.3 undecidable manual P 328 17.5713 50 0.05 75
IV.NRCA.HHZ. 2022-04-11T21:59:06.12 0.1 positive manual P 118 8.6802 141 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.9 0.00010275 1.32 AML other m 2022-04-11T21:59:07.24
IV.NRCA.HHE. ML:0.9 0.00010899999999999999 0.06 AML other m 2022-04-11T21:59:07.92
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