Earthquake with magnitude of ML 0.8 on date 22-03-2024 and time 21:51:12 (Italy) in region 8 km NW Nocera Umbra (PG)

A magnitude ML 0.8 earthquake occured in region: 8 km NW Nocera Umbra (PG), on

  • 22-03-2024 20:51:12 (UTC)
  • 22-03-2024 21:51:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1610, 12.7280 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
Nocera Umbra PG 8 5839 5839
Gualdo Tadino PG 9 15208 21047
Valfabbrica PG 10 3389 24436
Valtopina PG 12 1398 25834
Assisi PG 13 28299 54133
Fossato di Vico PG 15 2840 56973
Fiuminata MC 17 1402 58375
Bastia Umbra PG 18 21874 80249
Sefro MC 18 422 80671
Sigillo PG 19 2404 83075
Spello PG 19 8645 91720

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km N of Foligno (57155 inhabitants)
28 Km E of Perugia (166134 inhabitants)
67 Km N of Terni (111501 inhabitants)
76 Km E of Arezzo (99543 inhabitants)
80 Km SW of Fano (60888 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
85 Km S of Pesaro (94582 inhabitants)
97 Km NE of Viterbo (67173 inhabitants)
97 Km NW of Teramo (54892 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 2024-03-22
20:51:12
43.1613 12.7277 11 2024-03-22
20:55:32
Sala Sismica INGV-Roma 126066211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-22 20:51:12 ± 0.04
Latitude 43.1613 ± 0.0018
Longitude 12.7277 ± 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 126066211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 236
Semi-minor axis of confidence ellipse (meter) 174
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) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
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) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.12860
Epicentral distance of station farthest from the epicenter (degree) 0.29048
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:0.8

Field Value
Value 0.8
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 126066211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-22 20:55:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2024-03-22T20:51:23.31 0.6 undecidable manual S 8 30.8469 50 -0.14 47
IV.FDMO.HHZ. 2024-03-22T20:51:23.99 0.6 undecidable manual S 115 32.2455 50 0.16 47
IV.CESI.HHZ. 2024-03-22T20:51:21.23 0.6 undecidable manual S 140 22.4553 50 0 49
IV.MURB.HHZ. 2024-03-22T20:51:20.69 0.6 undecidable manual S 305 19.9689 118 0.22 48
IV.MML1.EHZ. 2024-03-22T20:51:20.67 0.6 undecidable manual S 105 20.4684 117 0.04 49
IV.FDMO.HHZ. 2024-03-22T20:51:19.10 1.0 undecidable manual P 115 32.2455 50 0 24
IV.ASSB.HHZ. 2024-03-22T20:51:18.63 0.6 undecidable manual S 203 14.2746 126 -0.19 48
IV.FOSV.EHZ. 2024-03-22T20:51:18.91 0.6 undecidable manual S 10 15.0738 125 -0.12 49
IV.SSFR.HHZ. 2024-03-22T20:51:18.77 1.0 negative manual P 8 30.8469 50 -0.11 24
IV.MURB.HHZ. 2024-03-22T20:51:17.18 0.3 positive manual P 305 19.9689 118 0.01 74
IV.MML1.EHZ. 2024-03-22T20:51:17.29 0.6 undecidable manual P 105 20.4684 117 0.03 49
IV.CESI.HHZ. 2024-03-22T20:51:17.54 1.0 undecidable manual P 140 22.4553 50 -0.06 24
IV.ASSB.HHZ. 2024-03-22T20:51:16.23 0.1 positive manual P 203 14.2746 126 0.02 100
IV.FOSV.EHZ. 2024-03-22T20:51:16.42 0.6 negative manual P 10 15.0738 125 0.09 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:0.8 0.0000665 0.34 AML other m 2024-03-22T20:51:18.69
IV.ASSB.HHE. ML:0.9 0.0000675 0.82 AML other m 2024-03-22T20:51:19.40
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