Earthquake with magnitude of ML 0.5 on date 16-08-2023 and time 18:15:05 (Italy) in region 4 km NE Nocera Umbra (PG)

A magnitude ML 0.5 earthquake occured in region: 4 km NE Nocera Umbra (PG), on

  • 16-08-2023 16:15:05 (UTC)
  • 16-08-2023 18:15:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1360, 12.8230 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 4 5839 5839
Valtopina PG 10 1398 7237
Sefro MC 10 422 7659
Fiuminata MC 11 1402 9061
Gualdo Tadino PG 11 15208 24269
Serravalle di Chienti MC 13 1070 25339
Pioraco MC 14 1134 26473
Esanatoglia MC 16 2034 28507
Valfabbrica PG 18 3389 31896
Assisi PG 18 28299 60195
Fossato di Vico PG 18 2840 63035
Muccia MC 19 915 63950
Camerino MC 20 6974 70924
Spello PG 20 8645 79569

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Foligno (57155 inhabitants)
35 Km E of Perugia (166134 inhabitants)
66 Km N of Terni (111501 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
80 Km S of Fano (60888 inhabitants)
85 Km E of Arezzo (99543 inhabitants)
87 Km S of Pesaro (94582 inhabitants)
89 Km NW of Teramo (54892 inhabitants)
99 Km NE of Viterbo (67173 inhabitants)
99 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 0.5 2023-08-16
16:15:05
43.1362 12.8227 10 2023-08-16
16:24:07
Sala Sismica INGV-Roma 120195671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-16 16:15:05 ± 0.15
Latitude 43.1362 ± 0.0045
Longitude 12.8227 ± 0.0025
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120195671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 459
Semi-minor axis of confidence ellipse (meter) 56
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 7
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 9
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) 0.21764
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 120195671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-16 16:24:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
mn.BZS.HHZ. 2023-08-16T16:16:38.45 3.0 negative manual Pn -4.96 0
MN.TRI.HHZ. 2023-08-16T16:16:38.56 3.0 undecidable manual Sg 10.05 0
CH.MUGIO.HHZ. 2023-08-16T16:16:24.31 3.0 undecidable manual Sn -9.21 0
IV.CTI.HHZ. 2023-08-16T16:16:18.40 3.0 undecidable manual Sn -8.67 0
GU.BURY.HHZ. 2023-08-16T16:16:15.71 3.0 undecidable manual Sn -0.33 0
GU.MGRO.HHZ. 2023-08-16T16:16:11.90 3.0 undecidable manual Sn -3.14 0
IV.SACR.HHZ. 2023-08-16T16:16:11.24 3.0 undecidable manual Sg 6.72 0
IV.SCHR.EHZ. 2023-08-16T16:15:59.43 3.0 undecidable manual Pg 8.59 0
SI.BOSI.HHZ. 2023-08-16T16:15:56.55 3.0 positive manual Pg 6.75 0
IV.ALJA.HHZ. 2023-08-16T16:15:54.26 3.0 undecidable manual Pn -8.05 0
IV.MONC.HHZ. 2023-08-16T16:15:54.68 3.0 negative manual Pg 10.14 0
CH.MUGIO.HHZ. 2023-08-16T16:15:53.78 3.0 undecidable manual Pg 6.26 0
IV.CTI.HHZ. 2023-08-16T16:15:52.75 3.0 undecidable manual Pg 8.85 0
IV.VULT.HHZ. 2023-08-16T16:15:51.49 3.0 undecidable manual Pg 9.73 0
IV.POFI.HHZ. 2023-08-16T16:15:46.57 3.0 undecidable manual Sn -0.08 0
IV.PZUN.HHZ. 2023-08-16T16:15:45.21 3.0 positive manual Pn -0.17 0
IV.SIRI.HHZ. 2023-08-16T16:15:45.52 3.0 negative manual Pn -3.7 0
GU.RSP.HHZ. 2023-08-16T16:15:45.31 3.0 undecidable manual Pn -4.48 0
IV.MTRZ.HHZ. 2023-08-16T16:15:45.66 3.0 undecidable manual Sn -2 0
IV.VVLD.HHZ. 2023-08-16T16:15:41.56 3.0 undecidable manual Sn -2.63 0
IV.MCRV.HHZ. 2023-08-16T16:15:36.92 3.0 undecidable manual Pn -2.04 0
GU.MGRO.HHZ. 2023-08-16T16:15:33.58 3.0 positive manual Pn -3.56 0
GU.IMI.HHZ. 2023-08-16T16:15:31.62 3.0 positive manual Pn -3.98 0
IV.RIBO.EHZ.01 2023-08-16T16:15:27.39 3.0 undecidable manual Sn 2.37 0
IV.CSNT.HHZ. 2023-08-16T16:15:16.91 3.0 undecidable manual Pg 4.22 0
IV.FDMO.HHZ. 2023-08-16T16:15:15.19 0.3 undecidable manual S 117 24.1536 50 0.17 72
IV.GUAR.HHZ. 2023-08-16T16:15:14.73 3.0 undecidable manual P -2.96 0
IV.ATCC.EHZ. 2023-08-16T16:15:12.64 0.3 undecidable manual S 290 15.7731 123 0.14 73
IV.ASSB.HHZ. 2023-08-16T16:15:12.67 0.3 undecidable manual S 232 16.872 122 -0.15 73
IV.MML1.EHZ. 2023-08-16T16:15:11.51 0.3 undecidable manual S 102 12.3765 130 -0.04 75
IV.FDMO.HHZ. 2023-08-16T16:15:11.16 0.3 undecidable manual P 117 24.1536 50 -0.04 73
IV.ASSB.HHZ. 2023-08-16T16:15:10.05 0.1 undecidable manual P 232 16.872 122 0.13 97
IV.SNTG.HHZ. 2023-08-16T16:15:09.77 0.3 undecidable manual P 36 16.2726 122 -0.06 74
IV.MML1.EHZ. 2023-08-16T16:15:09.20 0.1 undecidable manual P 102 12.3765 130 0.01 100
IV.ATCC.EHZ. 2023-08-16T16:15:09.66 0.1 undecidable manual P 290 15.7731 123 -0.08 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHE. ML:0.5 0.00002985 0.54 AML other m 2023-08-16T16:15:13.06
IV.ATCC.EHN. ML:0.5 0.000030150000000000004 0.94 AML other m 2023-08-16T16:15:13.34
IV.ASSB.HHN. ML:0.5 0.000027249999999999998 0.18 AML other m 2023-08-16T16:15:13.66
IV.ASSB.HHE. ML:0.5 0.00002615 0.92 AML other m 2023-08-16T16:15:14.03
IV.FDMO.HHN. ML:0.7 0.00003165 0.16 AML other m 2023-08-16T16:15:15.36
IV.FDMO.HHE. ML:0.4 0.00001605 1.32 AML other m 2023-08-16T16:15:15.21
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