Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 20-01-2024 and time 11:51:27 (UTC) in region 1 km E Costacciaro (PG)

A magnitude ML 1.1 earthquake occured in region: 1 km E Costacciaro (PG), on

  • 20-01-2024 11:51:27 (UTC)
  • 20-01-2024 12:51:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3620, 12.7280 at 13 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.

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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
Costacciaro PG 1 1216 1216
Sigillo PG 4 2404 3620
Scheggia e Pascelupo PG 7 1393 5013
Fossato di Vico PG 8 2840 7853
Gubbio PG 12 32216 40069
Sassoferrato AN 14 7285 47354
Fabriano AN 15 31480 78834
Cantiano PU 15 2245 81079
Serra Sant'Abbondio PU 15 1027 82106
Gualdo Tadino PG 15 15208 97314
Frontone PU 17 1300 98614
Genga AN 19 1797 100411

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NE of Perugia (166134 inhabitants)
45 Km N of Foligno (57155 inhabitants)
59 Km SW of Fano (60888 inhabitants)
63 Km S of Pesaro (94582 inhabitants)
69 Km E of Arezzo (99543 inhabitants)
70 Km W of Ancona (100861 inhabitants)
79 Km S of Rimini (147750 inhabitants)
89 Km N of Terni (111501 inhabitants)
95 Km SE of Cesena (96758 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 1.1 2024-01-20
11:51:27		 43.3618 12.7277 13 2024-01-20
11:58:42		 Sala Sismica INGV-Roma 124762161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-20 11:51:27 ± 0.05
Latitude 43.3618 ± 0.0027
Longitude 12.7277 ± 0.0025
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124762161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 251
Semi-minor axis of confidence ellipse (meter) 143
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 347
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 40
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
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) 0.07105
Epicentral distance of station farthest from the epicenter (degree) 0.33994
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 124762161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-20 11:58:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2024-01-20T11:51:38.44 0.6 undecidable manual S 337 30.0477 96 -0.03 49
IV.ATVO.HHZ. 2024-01-20T11:51:37.43 0.6 undecidable manual S 275 25.9518 98 0.04 49
IV.ATCC.EHZ. 2024-01-20T11:51:36.23 0.6 undecidable manual S 200 20.868 102 0.2 48
IV.ARVD.HHZ. 2024-01-20T11:51:36.30 0.6 undecidable manual S 49 22.9548 100 -0.28 46
IV.SNTG.HHZ. 2024-01-20T11:51:35.95 0.6 undecidable manual S 125 20.868 102 -0.09 48
IV.CING.HNN. 2024-01-20T11:51:35.82 0.1 undecidable manual P 88 37.7289 94 0.61 84
IV.MPAG.HNZ. 2024-01-20T11:51:34.02 0.1 undecidable manual P 5 29.748 96 0.03 97
IV.FRON.EHZ. 2024-01-20T11:51:34.99 0.6 undecidable manual S 359 17.2716 108 -0.13 49
IV.TB01.DHZ. 2024-01-20T11:51:33.06 0.1 undecidable manual P 275 23.6541 99 0.01 98
IV.NARO.HHZ. 2024-01-20T11:51:33.96 0.3 undecidable manual P 337 30.0477 96 -0.07 72
IV.ATPC.HHZ. 2024-01-20T11:51:33.31 0.1 undecidable manual P 301 25.4523 98 -0.02 97
IV.SSFR.HHZ. 2024-01-20T11:51:33.39 0.6 undecidable manual S 28 9.3795 133 0.1 49
IV.ATLO.EHZ. 2024-01-20T11:51:33.48 0.1 undecidable manual P 259 26.3514 97 0.02 98
IV.ATFO.HHZ. 2024-01-20T11:51:33.99 0.6 undecidable manual S 272 12.5763 121 0.01 50
IV.TB03.DHZ. 2024-01-20T11:51:33.35 0.1 undecidable manual P 280 25.9518 98 -0.05 97
IV.EL6.EHZ. 2024-01-20T11:51:33.99 0.1 undecidable manual P 97 30.3474 96 -0.09 94
IV.ATVO.HHZ. 2024-01-20T11:51:33.39 0.1 positive manual P 275 25.9518 98 -0.01 97
IV.ATBU.EHZ. 2024-01-20T11:51:32.56 0.1 undecidable manual P 311 19.1697 104 0.18 96
IV.FOSV.EHZ. 2024-01-20T11:51:32.78 0.6 undecidable manual S 160 7.881 139 -0.24 48
IV.TSM2.DHZ. 2024-01-20T11:51:32.27 0.1 undecidable manual P 281 19.5693 104 -0.16 96
IV.ATCC.EHZ. 2024-01-20T11:51:32.58 0.1 undecidable manual P 200 20.868 102 -0.05 97
IV.SNTG.HHZ. 2024-01-20T11:51:32.52 0.6 undecidable manual P 125 20.868 102 -0.11 48
IV.ARVD.HHZ. 2024-01-20T11:51:32.94 0.6 undecidable manual P 49 22.9548 100 0 49
IV.MURB.HNZ. 2024-01-20T11:51:32.56 0.1 undecidable manual P 236 19.7691 103 0.1 98
IV.ATFO.HHZ. 2024-01-20T11:51:31.50 0.3 negative manual P 272 12.5763 121 0.06 74
IV.FRON.EHZ. 2024-01-20T11:51:31.99 0.6 undecidable manual P 359 17.2716 108 -0.11 49
IV.TSM5.DHZ. 2024-01-20T11:51:31.92 0.1 undecidable manual P 322 16.4724 110 -0.06 98
IV.SSFR.HHZ. 2024-01-20T11:51:31.07 0.3 undecidable manual P 28 9.3795 133 0.03 75
IV.TSM1.DHZ. 2024-01-20T11:51:31.13 0.1 undecidable manual P 260 10.6782 128 -0.06 99
IV.FOSV.EHZ. 2024-01-20T11:51:30.85 0.1 negative manual P 160 7.881 139 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHE. ML:0.9 0.00008309727 0.1024 AML other m 2024-01-20T11:51:33.04
IV.FOSV.EHN. ML:0.8 0.00008002729999999999 0.096 AML other m 2024-01-20T11:51:32.95
IV.NARO.HHE. ML:1.2 0.00007756337500000001 0.0576 AML other m 2024-01-20T11:51:38.95
IV.NARO.HHN. ML:0.9 0.000041080495 0.0768 AML other m 2024-01-20T11:51:39.19
IV.FOSV.HNE. ML:0.8 0.00008002781 0.0896 AML other m 2024-01-20T11:51:32.98
IV.ATFO.HNN. ML:1.1 0.00012078145 0.2624 AML other m 2024-01-20T11:51:35.27
IV.ATFO.HHE. ML:1.0 0.0000964707 0.2176 AML other m 2024-01-20T11:51:34.84
IV.ATFO.HHN. ML:1.0 0.000105493105 0.096 AML other m 2024-01-20T11:51:34.19
IV.ATFO.HNE. ML:0.9 0.00007847401000000001 0.1088 AML other m 2024-01-20T11:51:34.31
IV.FRON.EHN. ML:1.2 0.00013342185000000001 0.096 AML other m 2024-01-20T11:51:35.56
IV.FRON.EHE. ML:1.2 0.000128033365 0.0768 AML other m 2024-01-20T11:51:35.22
IV.ATCC.EHN. ML:1.3 0.00013370520000000004 0.1216 AML other m 2024-01-20T11:51:36.48
IV.ATCC.HNE. ML:1.4 0.00015017222000000003 0.2176 AML other m 2024-01-20T11:51:36.55
IV.ATCC.HNN. ML:1.3 0.00014385495 0.1216 AML other m 2024-01-20T11:51:36.53
IV.ATCC.EHE. ML:1.1 0.00008957859 0.2176 AML other m 2024-01-20T11:51:36.74
IV.ARVD.HHN. ML:1.2 0.00009657560500000001 0.1408 AML other m 2024-01-20T11:51:36.76
IV.ARVD.HHE. ML:1.4 0.000133467495 0.1408 AML other m 2024-01-20T11:51:36.94
IV.ATVO.HHN. ML:1.0 0.000051543030000000006 0.4544 AML other m 2024-01-20T11:51:37.58
IV.ATVO.HHE. ML:1.0 0.000057044344999999995 0.32 AML other m 2024-01-20T11:51:37.66
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