Earthquake with magnitude of ML 0.5 on date 22-12-2023 and time 11:52:52 (Italy) in region 6 km N Nocera Umbra (PG)

A magnitude ML 0.5 earthquake occured in region: 6 km N Nocera Umbra (PG), on

  • 22-12-2023 10:52:52 (UTC)
  • 22-12-2023 11:52:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1680, 12.7740 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.

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
Gualdo Tadino PG 7 15208 21047
Valtopina PG 12 1398 22445
Fiuminata MC 13 1402 23847
Valfabbrica PG 14 3389 27236
Fossato di Vico PG 14 2840 30076
Sefro MC 14 422 30498
Assisi PG 17 28299 58797
Esanatoglia MC 17 2034 60831
Pioraco MC 17 1134 61965
Serravalle di Chienti MC 18 1070 63035
Sigillo PG 19 2404 65439

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km N of Foligno (57155 inhabitants)
32 Km E of Perugia (166134 inhabitants)
68 Km N of Terni (111501 inhabitants)
78 Km S of Fano (60888 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
79 Km E of Arezzo (99543 inhabitants)
84 Km S of Pesaro (94582 inhabitants)
95 Km NW of Teramo (54892 inhabitants)
100 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 0.5 2023-12-22
10:52:52
43.1675 12.7743 10 2023-12-22
11:04:23
Sala Sismica INGV-Roma 124201401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-22 10:52:52 ± 0.04
Latitude 43.1675 ± 0.0027
Longitude 12.7743 ± 0.0025
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 124201401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 203
Semi-minor axis of confidence ellipse (meter) 202
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26440
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 124201401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-22 11:04:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.FUORN.HHZ. 2023-12-22T10:54:48.42 3.0 undecidable manual Sg 6.99 0
GU.CIRO.HHZ. 2023-12-22T10:54:45.84 3.0 undecidable manual Sn -9.86 0
IV.CET2.HHZ. 2023-12-22T10:54:37.38 3.0 undecidable manual Sn -9.99 0
IV.ECTS.HHZ. 2023-12-22T10:54:26.39 3.0 undecidable manual Pg 11.87 0
IV.MBAL.HNZ. 2023-12-22T10:54:19.65 3.0 undecidable manual Sg 2.82 0
ST.RONC.HNZ. 2023-12-22T10:54:14.97 3.0 undecidable manual Sn -9.85 0
IV.ZEN8.EHZ. 2023-12-22T10:54:14.49 3.0 undecidable manual Sg -2.21 0
GU.RRL.HHZ. 2023-12-22T10:54:12.30 3.0 undecidable manual Pg 8.06 0
CH.FUORN.HHZ. 2023-12-22T10:53:56.08 3.0 undecidable manual Pg 2.63 0
IV.CERA.HNZ. 2023-12-22T10:53:46.64 3.0 undecidable manual Sg -0.32 0
IV.BDI.HHZ. 2023-12-22T10:53:42.90 3.0 undecidable manual Sn -8.33 0
ST.ZIAN.EHZ. 2023-12-22T10:53:38.93 3.0 undecidable manual Pg -5.32 0
ST.RONC.HNZ. 2023-12-22T10:53:36.22 3.0 positive manual Pn -7.9 0
IV.FDMO.HHN. 2023-12-22T10:53:03.01 0.6 undecidable manual S 120 29.2485 50 0.11 48
IV.ATSC.EHZ. 2023-12-22T10:53:02.67 0.6 undecidable manual S 346 29.3484 50 -0.26 47
IV.CRE.HHZ. 2023-12-22T10:53:02.59 3.0 positive manual P -6.8 0
IV.MURB.HHZ. 2023-12-22T10:53:01.37 0.6 undecidable manual S 298 22.755 114 0.26 47
IV.CESI.HHZ. 2023-12-22T10:53:00.51 0.6 undecidable manual S 150 20.868 116 0 50
IV.SNTG.HHZ. 2023-12-22T10:52:59.07 0.6 undecidable manual S 54 16.5723 121 -0.12 49
IV.MML1.EHZ. 2023-12-22T10:52:59.38 0.6 undecidable manual S 110 17.0718 121 0.04 50
IV.FDMO.HHN. 2023-12-22T10:52:58.38 0.1 undecidable manual P 120 29.2485 50 -0.11 96
IV.ASSB.HHZ. 2023-12-22T10:52:58.97 0.6 undecidable manual S 214 16.7721 121 -0.27 48
IV.ATSC.EHZ. 2023-12-22T10:52:58.70 0.3 undecidable manual P 346 29.3484 50 0.2 71
IV.FOSV.EHZ. 2023-12-22T10:52:58.32 0.6 undecidable manual S 356 14.1747 126 -0.17 49
IV.CESI.HHZ. 2023-12-22T10:52:57.14 1.0 undecidable manual P 150 20.868 116 0.04 25
IV.ATCC.EHZ. 2023-12-22T10:52:57.59 0.6 undecidable manual S 280 11.0778 133 -0.06 50
IV.MURB.HHZ. 2023-12-22T10:52:57.28 0.6 undecidable manual P 298 22.755 114 -0.17 48
IV.SNTG.HHZ. 2023-12-22T10:52:56.49 0.3 undecidable manual P 54 16.5723 121 0.15 73
IV.MML1.EHZ. 2023-12-22T10:52:56.46 0.6 undecidable manual P 110 17.0718 121 0.04 50
IV.ASSB.HHZ. 2023-12-22T10:52:56.40 0.1 positive manual P 214 16.7721 121 0.03 100
IV.FOSV.EHZ. 2023-12-22T10:52:55.93 0.3 undecidable manual P 356 14.1747 126 -0.01 76
IV.ATCC.EHZ. 2023-12-22T10:52:55.57 0.1 negative manual P 280 11.0778 133 0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHE. ML:0.5 0.0000398219665 0.1856 AML other m 2023-12-22T10:52:58.25
IV.ATCC.EHN. ML:0.7 0.000057448685 0.1408 AML other m 2023-12-22T10:52:57.68
IV.ASSB.HHE. ML:0.2 0.0000160870165 0.0576 AML other m 2023-12-22T10:53:00.71
IV.ASSB.HHN. ML:0.4 0.0000179561085 0.1792 AML other m 2023-12-22T10:52:59.79
IV.CESI.HHE. ML:0.4 0.0000211556015 0.64 AML other m 2023-12-22T10:53:01.16
IV.CESI.HHN. ML:0.6 0.000022578232 1.9008 AML other m 2023-12-22T10:53:00.48
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