Earthquake with magnitude of ML 0.7 on date 21-01-2023 and time 20:03:25 (Italy) in region 7 km NE Nocera Umbra (PG)

A magnitude ML 0.7 earthquake occured in region: 7 km NE Nocera Umbra (PG), on

  • 21-01-2023 19:03:25 (UTC)
  • 21-01-2023 20:03:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1630, 12.8400 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 7 5839 5839
Fiuminata MC 8 1402 7241
Gualdo Tadino PG 9 15208 22449
Sefro MC 9 422 22871
Pioraco MC 12 1134 24005
Esanatoglia MC 13 2034 26039
Valtopina PG 13 1398 27437
Serravalle di Chienti MC 14 1070 28507
Fossato di Vico PG 16 2840 31347
Matelica MC 17 9981 41328
Castelraimondo MC 19 4587 45915
Camerino MC 19 6974 52889
Muccia MC 19 915 53804
Valfabbrica PG 19 3389 57193

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NE of Foligno (57155 inhabitants)
37 Km E of Perugia (166134 inhabitants)
69 Km N of Terni (111501 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
77 Km S of Fano (60888 inhabitants)
83 Km S of Pesaro (94582 inhabitants)
85 Km E of Arezzo (99543 inhabitants)
90 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
Bulletin
Rev1000
ML 0.7 2023-01-21
19:03:25
43.1628 12.8395 11 2024-03-01
17:18:15
Bollettino Sismico Italiano INGV 120440721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-21 19:03:25 ± 0.05
Latitude 43.1628 ± 0.0027
Longitude 12.8395 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 120440721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 350
Semi-minor axis of confidence ellipse (meter) 188
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.10792
Epicentral distance of station farthest from the epicenter (degree) 0.38581
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 120440721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-24 15:25:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-01-21T19:03:39.50 0.6 undecidable manual S 149 42.8238 50 0.04 48
IV.CSP1.EHZ. 2023-01-21T19:03:36.50 0.3 undecidable manual S 105 30.6471 50 0.29 69
IV.FDMO.HHZ. 2023-01-21T19:03:34.40 0.3 undecidable manual S 125 24.4533 50 -0.18 72
IV.NRCA.HHZ. 2023-01-21T19:03:33.42 0.1 undecidable manual P 149 42.8238 50 -0.13 93
IV.CESI.HHZ. 2023-01-21T19:03:32.60 0.1 undecidable manual S 163 18.2706 120 -0.21 96
IV.ATCC.EHZ. 2023-01-21T19:03:32.50 0.3 undecidable manual S 279 16.3725 123 0.27 71
IV.SNTG.HHZ. 2023-01-21T19:03:31.20 0.3 undecidable manual S 39 13.0758 129 -0.12 74
IV.CSP1.EHZ. 2023-01-21T19:03:31.69 0.1 undecidable manual P 105 30.6471 50 0.01 98
IV.MML1.EHZ. 2023-01-21T19:03:31.20 0.3 undecidable manual S 117 11.9769 131 0.17 73
IV.FOSV.HNE. 2023-01-21T19:03:31.96 0.1 undecidable manual S 337 15.9729 124 -0.16 97
IV.MURB.HHZ. 2023-01-21T19:03:31.22 0.6 undecidable manual P 294 27.75 50 -0.02 49
IV.FDMO.HHZ. 2023-01-21T19:03:30.67 1.0 positive manual P 125 24.4533 50 -0.06 24
IV.CESI.HHZ. 2023-01-21T19:03:29.71 0.1 undecidable manual P 163 18.2706 120 0 100
IV.ATCC.EHZ. 2023-01-21T19:03:29.42 0.1 undecidable manual P 279 16.3725 123 0.05 99
IV.FOSV.HNE. 2023-01-21T19:03:29.23 0.1 undecidable manual P 337 15.9729 124 -0.09 99
IV.SNTG.HHZ. 2023-01-21T19:03:28.92 0.1 undecidable manual P 39 13.0758 129 0.07 100
IV.MML1.EHZ. 2023-01-21T19:03:28.83 0.1 undecidable manual P 117 11.9769 131 0.14 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.HNE. ML:0.7 0.000056254014999999995 0.448 AML other m 2023-01-21T19:03:31.32
IV.MML1.EHN. ML:0.7 0.000051852259999999995 0.1664 AML other m 2023-01-21T19:03:31.67
IV.MML1.EHE. ML:0.6 0.000039659 0.2432 AML other m 2023-01-21T19:03:31.96
IV.MML1.HNN. ML:1.5 0.00031476999999999997 1.0112 AML other m 2023-01-21T19:03:30.75
IV.SNTG.HNN. ML:0.7 0.00005283764 0.1664 AML other m 2023-01-21T19:03:31.62
IV.SNTG.HHE. ML:0.5 0.000033367894999999996 0.1792 AML other m 2023-01-21T19:03:31.37
IV.SNTG.HNE. ML:0.5 0.000029823545000000003 0.1792 AML other m 2023-01-21T19:03:31.56
IV.SNTG.HHN. ML:0.6 0.000040676299999999995 0.1792 AML other m 2023-01-21T19:03:31.62
IV.ATCC.EHE. ML:0.5 0.000027493829999999996 0.1024 AML other m 2023-01-21T19:03:32.66
IV.ATCC.HNE. ML:0.7 0.000038678665000000004 0.1152 AML other m 2023-01-21T19:03:32.66
IV.FDMO.HHE. ML:0.8 0.0000374619425 0.1536 AML other m 2023-01-21T19:03:34.75
IV.FDMO.HHN. ML:0.9 0.000049995466 0.128 AML other m 2023-01-21T19:03:34.74
IV.NRCA.HHN. ML:1.4 0.00006863402000000001 0.1408 AML other m 2023-01-21T19:03:40.06
IV.NRCA.HHE. ML:1.1 0.000041892335 0.1408 AML other m 2023-01-21T19:03:40.17
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download