Earthquake with magnitude of ML 0.3 on date 10-08-2023 and time 20:31:12 (Italy) in region 3 km S Nocera Umbra (PG)

A magnitude ML 0.3 earthquake occured in region: 3 km S Nocera Umbra (PG), on

  • 10-08-2023 18:31:12 (UTC)
  • 10-08-2023 20:31:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0880, 12.7960 at 8 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 3 5839 5839
Valtopina PG 5 1398 7237
Serravalle di Chienti MC 13 1070 8307
Sefro MC 14 422 8729
Spello PG 15 8645 17374
Assisi PG 15 28299 45673
Fiuminata MC 16 1402 47075
Gualdo Tadino PG 16 15208 62283
Foligno PG 16 57155 119438
Valfabbrica PG 18 3389 122827
Pioraco MC 19 1134 123961
Monte Cavallo MC 20 145 124106
Cannara PG 20 4305 128411

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NE of Foligno (57155 inhabitants)
33 Km E of Perugia (166134 inhabitants)
60 Km N of Terni (111501 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
85 Km SE of Arezzo (99543 inhabitants)
86 Km S of Fano (60888 inhabitants)
88 Km NW of Teramo (54892 inhabitants)
92 Km S of Pesaro (94582 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
96 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 0.3 2023-08-10
18:31:12
43.0883 12.7955 8 2023-08-10
19:34:34
Sala Sismica INGV-Roma 120009271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-10 18:31:12 ± 0.06
Latitude 43.0883 ± 0.0036
Longitude 12.7955 ± 0.0037
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120009271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 344
Semi-minor axis of confidence ellipse (meter) 184
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 169
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.10972
Epicentral distance of station farthest from the epicenter (degree) 0.40200
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 120009271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-10 19:34:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.HNZ. 2023-08-10T18:31:21.89 1.0 undecidable manual P 170 44.622 50 0.26 23
IV.FDMO.HHZ. 2023-08-10T18:31:21.46 0.6 undecidable manual S 104 24.3534 107 -0.23 47
IV.SNTG.HHZ. 2023-08-10T18:31:20.81 0.6 undecidable manual S 32 21.867 109 -0.08 49
IV.NRCA.HHZ. 2023-08-10T18:31:20.63 0.3 undecidable manual P 137 38.3283 50 -0.02 72
IV.MML1.EHZ. 2023-08-10T18:31:18.84 0.6 undecidable manual S 79 14.5743 117 0.31 47
IV.FDMO.HHZ. 2023-08-10T18:31:17.63 1.0 undecidable manual P 104 24.3534 107 -0.33 23
IV.ASSB.HHZ. 2023-08-10T18:31:17.81 0.6 undecidable manual S 245 12.1767 121 0 50
IV.SNTG.HHZ. 2023-08-10T18:31:17.52 0.3 undecidable manual P 32 21.867 109 0.03 74
IV.FOSV.EHZ. 2023-08-10T18:31:17.76 0.1 undecidable manual P 353 23.0547 108 0.04 98
IV.ATCC.HNE. 2023-08-10T18:31:16.41 0.1 undecidable manual P 311 16.5723 114 -0.09 99
IV.MML1.EHZ. 2023-08-10T18:31:16.25 1.0 negative manual P 79 14.5743 117 0.12 25
IV.ASSB.HHZ. 2023-08-10T18:31:15.77 0.1 undecidable manual P 245 12.1767 121 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:0.4 0.000027728524999999996 0.1792 AML other m 2023-08-10T18:31:17.89
IV.ASSB.HHN. ML:0.4 0.000029011745000000002 0.0768 AML other m 2023-08-10T18:31:18.36
IV.MML1.EHE. ML:0.0 0.0000112438165 0.2048 AML other m 2023-08-10T18:31:18.96
IV.MML1.EHN. ML:0.0 0.000011450160000000002 0.128 AML other m 2023-08-10T18:31:19.35
IV.MML1.HNE. ML:0.8 0.0000759091 0.6528 AML other m 2023-08-10T18:31:22.00
IV.MML1.HNN. ML:0.9 0.000085124475 0.7424 AML other m 2023-08-10T18:31:21.34
IV.SNTG.HHE. ML:-0.2 0.000006894736350000001 0.064 AML other m 2023-08-10T18:31:21.75
IV.SNTG.HHN. ML:0.2 0.000009426812500000002 0.2048 AML other m 2023-08-10T18:31:21.40
IV.SNTG.HNE. ML:1.2 0.00011148812 0.9984 AML other m 2023-08-10T18:31:26.94
IV.SNTG.HNN. ML:1.0 0.000065332981 43.4304 AML other m 2023-08-10T18:31:16.86
IV.FDMO.HHE. ML:-0.1 0.00000507160995 0.1024 AML other m 2023-08-10T18:31:23.52
IV.FDMO.HHN. ML:0.2 0.000008851604499999999 0.1792 AML other m 2023-08-10T18:31:21.72
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