Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 24-01-2023 and time 01:37:44 (Italy) in region 4 km N Scheggia e Pascelupo (PG)

A magnitude ML 1.2 earthquake occured in region: 4 km N Scheggia e Pascelupo (PG), on

  • 24-01-2023 00:37:44 (UTC)
  • 24-01-2023 01:37:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4370, 12.6790 at 21 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Scheggia e Pascelupo PG 4 1393 1393
Cantiano PU 6 2245 3638
Costacciaro PG 9 1216 4854
Serra Sant'Abbondio PU 10 1027 5881
Frontone PU 10 1300 7181
Gubbio PG 12 32216 39397
Cagli PU 13 8731 48128
Sigillo PG 13 2404 50532
Sassoferrato AN 15 7285 57817
Fossato di Vico PG 17 2840 60657
Pergola PU 19 6333 66990
Pietralunga PG 20 2111 69101

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NE of Perugia (166134 inhabitants)
53 Km SW of Fano (60888 inhabitants)
53 Km N of Foligno (57155 inhabitants)
56 Km SW of Pesaro (94582 inhabitants)
64 Km E of Arezzo (99543 inhabitants)
70 Km S of Rimini (147750 inhabitants)
71 Km W of Ancona (100861 inhabitants)
85 Km SE of Cesena (96758 inhabitants)
97 Km N of Terni (111501 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 1.2 2023-01-24
00:37:44		 43.4368 12.679 21 2024-03-01
17:17:55		 Bollettino Sismico Italiano INGV 114411881
Reviewed
Rev100 		ML 1.1 2023-01-24
00:37:44		 43.4473 12.6588 21 2023-01-24
01:10:59		 Sala Sismica INGV-Roma 113750921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-24 00:37:44 ± 0.15
Latitude 43.4368 ± 0.0063
Longitude 12.6790 ± 0.0087
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114411881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 677
Semi-minor axis of confidence ellipse (meter) 559
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 135
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29048
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 113750921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-24 01:10:59

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 114411881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-02-13 14:16:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSSA.HHZ. 2023-01-24T00:38:15.94 3.0 positive manual Pn 2.44 0
IV.ZCCA.HHZ. 2023-01-24T00:38:00.83 3.0 negative manual P -0.14 0
IV.MURB.HHE. 2023-01-24T00:37:53.71 0.3 undecidable manual S 213 22.9548 125 0.14 69
IV.MPAG.EHZ. 2023-01-24T00:37:53.23 0.6 undecidable manual S 17 22.2555 126 -0.2 46
IV.ARVD.HHZ. 2023-01-24T00:37:53.76 0.1 undecidable manual S 72 22.1556 127 0.35 90
IV.FRON.EHZ. 2023-01-24T00:37:51.09 0.6 undecidable manual S 23 9.7791 152 -0.11 48
IV.SSFR.HHZ. 2023-01-24T00:37:51.07 0.6 undecidable manual S 90 8.2806 155 0.04 49
IV.ATFO.HHZ. 2023-01-24T00:37:51.64 0.6 undecidable manual S 228 11.6772 147 0.18 47
IV.PE3.EHE. 2023-01-24T00:37:51.00 0.3 undecidable manual P 333 32.2455 115 0.21 68
IV.ATSC.EHE. 2023-01-24T00:37:50.61 0.1 undecidable manual S 157 1.4985 175 0.05 99
IV.ARVD.HHZ. 2023-01-24T00:37:49.51 0.1 undecidable manual P 72 22.1556 127 0.06 95
IV.TB02.DHZ.01 2023-01-24T00:37:49.79 0.3 undecidable manual P 251 22.9548 125 0.25 68
IV.FOSV.EHZ. 2023-01-24T00:37:49.04 1.0 positive manual P 157 17.0718 135 0.19 23
IV.APEC.HNN. 2023-01-24T00:37:49.91 0.3 undecidable manual P 303 24.8529 123 0.13 70
IV.MPAG.EHZ. 2023-01-24T00:37:49.24 0.1 undecidable manual P 17 22.2555 126 -0.22 92
IV.ATPC.HHE. 2023-01-24T00:37:48.94 0.3 undecidable manual P 285 18.5703 133 -0.07 72
IV.SSFR.HHZ. 2023-01-24T00:37:48.03 0.1 undecidable manual P 90 8.2806 155 -0.04 98
IV.MURB.HHE. 2023-01-24T00:37:48.99 0.1 undecidable manual P 213 22.9548 125 -0.55 87
IV.ATFO.HHZ. 2023-01-24T00:37:48.31 0.1 undecidable manual P 228 11.6772 147 -0.01 98
IV.FRON.EHZ. 2023-01-24T00:37:47.95 0.1 undecidable manual P 23 9.7791 152 -0.22 94
IV.ATSC.EHE. 2023-01-24T00:37:47.79 0.1 undecidable manual P 157 1.4985 175 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHN. ML:1.1 0.0000947 0.36 AML other m 2023-01-24T00:37:51.31
IV.SSFR.HHE. ML:1.0 0.00008199999999999999 1.56 AML other m 2023-01-24T00:37:52.97
IV.FRON.EHE. ML:0.8 0.0000489701 2.54 AML other m 2023-01-24T00:37:51.32
IV.FRON.EHN. ML:0.8 0.00003889948 2.02 AML other m 2023-01-24T00:37:48.03
IV.SSFR.HNN. ML:1.5 0.00022047555499999998 0.22 AML other m 2023-01-24T00:37:51.59
IV.SSFR.HNE. ML:1.3 0.00016151375000000002 0.64 AML other m 2023-01-24T00:37:52.75
IV.ATFO.HHE. ML:1.0 0.000065020965 2.08 AML other m 2023-01-24T00:37:50.34
IV.ATFO.HHN. ML:1.0 0.00007572036499999999 2.38 AML other m 2023-01-24T00:37:56.42
IV.ATFO.HNN. ML:1.4 0.00016002024999999998 1.33 AML other m 2023-01-24T00:37:48.17
IV.ATFO.HNE. ML:1.3 0.00013686886500000002 3.8 AML other m 2023-01-24T00:37:48.05
IV.FOSV.EHE. ML:0.9 0.00004277167 2.14 AML other m 2023-01-24T00:37:50.21
IV.FOSV.HNE. ML:1.4 0.000137622035 1.49 AML other m 2023-01-24T00:37:57.38
IV.FOSV.HNN. ML:1.3 0.00012428880000000002 3.14 AML other m 2023-01-24T00:37:57.20
IV.FOSV.EHN. ML:0.8 0.00004056008 3.68 AML other m 2023-01-24T00:37:57.46
IV.MPAG.HNE. ML:1.5 0.0001553319 0.93 AML other m 2023-01-24T00:37:48.57
IV.MPAG.HNN. ML:1.4 0.0001368591 1.43 AML other m 2023-01-24T00:37:57.44
IV.MPAG.EHE. ML:1.2 0.00007257290999999999 4.1 AML other m 2023-01-24T00:37:49.24
IV.MPAG.EHN. ML:1.2 0.000071311885 2.28 AML other m 2023-01-24T00:38:03.16
IV.ARVD.HHN. ML:1.2 0.00007837701999999999 2.08 AML other m 2023-01-24T00:37:49.56
IV.ARVD.HHE. ML:1.2 0.00008504576 2.48 AML other m 2023-01-24T00:37:53.47
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