Earthquake with magnitude of ML 0.7 on date 31-12-2023 and time 16:19:51 (Italy) in region 2 km NE Nocera Umbra (PG)

A magnitude ML 0.7 earthquake occured in region: 2 km NE Nocera Umbra (PG), on

  • 31-12-2023 15:19:51 (UTC)
  • 31-12-2023 16:19:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1220, 12.8100 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 2 5839 5839
Valtopina PG 8 1398 7237
Sefro MC 12 422 7659
Gualdo Tadino PG 12 15208 22867
Fiuminata MC 13 1402 24269
Serravalle di Chienti MC 13 1070 25339
Pioraco MC 16 1134 26473
Assisi PG 17 28299 54772
Valfabbrica PG 17 3389 58161
Spello PG 18 8645 66806
Esanatoglia MC 18 2034 68840
Muccia MC 20 915 69755
Fossato di Vico PG 20 2840 72595

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Foligno (57155 inhabitants)
34 Km E of Perugia (166134 inhabitants)
64 Km N of Terni (111501 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
82 Km S of Fano (60888 inhabitants)
84 Km E of Arezzo (99543 inhabitants)
88 Km S of Pesaro (94582 inhabitants)
89 Km NW of Teramo (54892 inhabitants)
97 Km NE of Viterbo (67173 inhabitants)
98 Km NW of L'Aquila (69753 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 0.7 2023-12-31
15:19:51
43.122 12.8102 11 2023-12-31
15:25:48
Sala Sismica INGV-Roma 124377521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-31 15:19:51 ± 0.05
Latitude 43.1220 ± 0.0036
Longitude 12.8102 ± 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 124377521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 258
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 206
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.11781
Epicentral distance of station farthest from the epicenter (degree) 0.37772
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 124377521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-31 15:25:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HNZ. 2023-12-31T15:20:05.45 0.6 undecidable manual S 48 41.9247 50 0.43 44
IV.NRCA.HHZ. 2023-12-31T15:20:04.75 0.6 undecidable manual S 142 40.4262 50 0.14 47
IV.EL6.EHE. 2023-12-31T15:20:03.03 0.6 undecidable manual S 46 32.9448 50 0.42 45
IV.CSP1.EHZ. 2023-12-31T15:20:02.18 0.6 undecidable manual S 96 32.1456 50 -0.22 47
IV.MURB.HHZ. 2023-12-31T15:20:01.55 0.3 undecidable manual S 304 27.8499 50 0.28 70
IV.FDMO.HHZ. 2023-12-31T15:19:59.96 0.6 undecidable manual S 113 24.3534 50 -0.37 46
IT.MTCL.HGZ. 2023-12-31T15:19:59.44 0.6 undecidable manual S 133 20.868 117 0.07 49
IV.CING.HNZ. 2023-12-31T15:19:58.91 0.1 undecidable manual P 48 41.9247 50 -0.29 90
IV.SNTG.HHZ. 2023-12-31T15:19:58.22 0.6 undecidable manual S 35 18.1707 120 -0.3 47
IV.NRCA.HHZ. 2023-12-31T15:19:58.95 0.6 undecidable manual P 142 40.4262 50 -0.01 48
IV.ASSB.HHZ. 2023-12-31T15:19:57.45 0.6 undecidable manual S 234 15.0738 125 -0.19 48
IV.ATCC.EHZ. 2023-12-31T15:19:57.79 0.6 undecidable manual S 297 15.4734 124 0.05 50
IV.CSP1.EHZ. 2023-12-31T15:19:57.60 0.1 undecidable manual P 96 32.1456 50 -0.09 96
IV.MML1.EHZ. 2023-12-31T15:19:57.11 0.6 undecidable manual S 94 13.0758 129 0.03 50
IV.EL6.EHE. 2023-12-31T15:19:57.74 0.1 undecidable manual P 46 32.9448 50 -0.07 96
IV.CESI.HHZ. 2023-12-31T15:19:57.56 0.6 undecidable manual S 149 15.0738 125 -0.07 50
IV.MURB.HHZ. 2023-12-31T15:19:56.85 0.1 undecidable manual P 304 27.8499 50 -0.18 95
IV.FDMO.HHZ. 2023-12-31T15:19:56.46 1.0 positive manual P 113 24.3534 50 -0.03 25
IT.MTCL.HGZ. 2023-12-31T15:19:56.32 0.1 undecidable manual P 133 20.868 117 0.38 92
IV.SNTG.HHZ. 2023-12-31T15:19:55.39 0.6 undecidable manual P 35 18.1707 120 -0.06 49
IV.ATCC.EHZ. 2023-12-31T15:19:55.01 0.1 undecidable manual P 297 15.4734 124 0.02 100
IV.MML1.EHZ. 2023-12-31T15:19:54.76 0.3 positive manual P 94 13.0758 129 0.15 73
IV.CESI.HHZ. 2023-12-31T15:19:54.89 0.6 undecidable manual P 149 15.0738 125 -0.04 50
IV.ASSB.HHZ. 2023-12-31T15:19:54.90 0.3 positive manual P 234 15.0738 125 -0.04 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHE. ML:0.8 0.00006785 0.16 AML other m 2023-12-31T15:19:57.29
IV.MML1.EHN. ML:0.6 0.0000441 0.24 AML other m 2023-12-31T15:19:57.41
IV.ATCC.EHN. ML:0.8 0.00006525 0.16 AML other m 2023-12-31T15:19:57.95
IV.ATCC.EHE. ML:1.1 0.000127 1.74 AML other m 2023-12-31T15:19:57.88
IV.ASSB.HHN. ML:0.5 0.00002785 0.74 AML other m 2023-12-31T15:19:58.76
IV.ASSB.HHE. ML:0.6 0.000036049999999999995 0.8 AML other m 2023-12-31T15:19:59.03
IV.FDMO.HHN. ML:0.7 0.00003175 0.18 AML other m 2023-12-31T15:20:00.45
IV.FDMO.HHE. ML:0.6 0.00002405 0.1 AML other m 2023-12-31T15:20:00.66
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