Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 26-01-2024 and time 00:33:44 (Italy) in region 6 km NE Sellano (PG)

A magnitude ML 0.5 earthquake occured in region: 6 km NE Sellano (PG), on

  • 25-01-2024 23:33:44 (UTC)
  • 26-01-2024 00:33:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9170, 12.9870 at 11 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
Sellano PG 6 1079 1079
Preci PG 6 724 1803
Visso MC 9 1107 2910
Monte Cavallo MC 9 145 3055
Cerreto di Spoleto PG 12 1075 4130
Ussita MC 13 444 4574
Castelsantangelo sul Nera MC 14 281 4855
Pieve Torina MC 15 1458 6313
Fiordimonte MC 16 202 6515
Norcia PG 16 4957 11472
Serravalle di Chienti MC 18 1070 12542
Pievebovigliana MC 18 866 13408
Muccia MC 19 915 14323
Vallo di Nera PG 19 364 14687
Fiastra MC 19 559 15246
Acquacanina MC 20 121 15367
Trevi PG 20 8469 23836

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
53 Km E of Perugia (166134 inhabitants)
65 Km W of Teramo (54892 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
91 Km NE of Viterbo (67173 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 2024-01-25
23:33:44		 42.9168 12.9873 11 2024-01-25
23:40:09		 Sala Sismica INGV-Roma 124860871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-25 23:33:44 ± 0.08
Latitude 42.9168 ± 0.0045
Longitude 12.9873 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124860871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 518
Semi-minor axis of confidence ellipse (meter) 350
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 219
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.10702
Epicentral distance of station farthest from the epicenter (degree) 0.27160
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
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 124860871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-25 23:40:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2024-01-25T23:34:15.66 0.3 undecidable manual S 16.3725 2.474 0
IV.MC2.EHZ. 2024-01-25T23:34:14.29 0.3 undecidable manual P 16.3725 2.626 0
IV.ASSB.HHN. 2024-01-25T23:33:54.32 0.6 undecidable manual S 298 30.1476 50 -0.26 62
IV.CSP1.EHZ. 2024-01-25T23:33:53.44 0.3 undecidable manual S 42 26.2515 50 -0.11 97
IV.MML1.EHZ. 2024-01-25T23:33:52.53 0.3 undecidable manual S 357 21.867 50 0.15 97
IV.ASSB.HHN. 2024-01-25T23:33:50.38 1.0 undecidable manual P 298 30.1476 50 0.24 31
IV.FDMO.HHZ. 2024-01-25T23:33:50.63 0.3 undecidable manual S 31 15.5733 125 -0.06 100
IV.NRCA.HNZ. 2024-01-25T23:33:50.08 0.3 undecidable manual S 132 13.875 129 -0.14 99
IV.CSP1.EHZ. 2024-01-25T23:33:49.44 0.3 undecidable manual P 42 26.2515 50 -0.11 97
IV.CESI.HHZ. 2024-01-25T23:33:49.51 0.3 undecidable manual S 326 11.877 133 -0.19 98
IV.MML1.EHZ. 2024-01-25T23:33:48.92 0.3 undecidable manual P 357 21.867 50 0.05 99
IV.FDMO.HHZ. 2024-01-25T23:33:48.06 0.3 undecidable manual P 31 15.5733 125 0.16 98
IV.CESI.HHZ. 2024-01-25T23:33:47.51 0.3 undecidable manual P 326 11.877 133 0.19 98
IV.NRCA.HNZ. 2024-01-25T23:33:47.77 0.3 undecidable manual P 132 13.875 129 0.15 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.7 0.000050299999999999996 1.64 AML other m 2024-01-25T23:33:49.94
IV.CESI.HHE. ML:0.4 0.000031 1.66 AML other m 2024-01-25T23:33:50.86
IV.FDMO.HHE. ML:0.7 0.00004705 0.18 AML other m 2024-01-25T23:33:50.82
IV.FDMO.HHN. ML:0.5 0.0000282 1.54 AML other m 2024-01-25T23:33:50.05
IV.MML1.EHE. ML:0.5 0.00001854449 0.1408 AML other m 2024-01-25T23:33:52.81
IV.MML1.EHN. ML:0.4 0.000015914278 0.1664 AML other m 2024-01-25T23:33:52.79
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