Earthquake with magnitude of ML 1.1 on date 26-01-2023 and time 20:20:17 (UTC) in region 3 km NW Ussita (MC)

A magnitude ML 1.1 earthquake occured in region: 3 km NW Ussita (MC), on

  • 26-01-2023 20:20:17 (UTC)
  • 26-01-2023 21:20:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9690, 13.1180 at 10 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
Ussita MC 3 444 444
Visso MC 5 1107 1551
Fiordimonte MC 8 202 1753
Fiastra MC 8 559 2312
Acquacanina MC 8 121 2433
Castelsantangelo sul Nera MC 9 281 2714
Bolognola MC 9 142 2856
Monte Cavallo MC 10 145 3001
Pieve Torina MC 10 1458 4459
Pievebovigliana MC 11 866 5325
Preci PG 12 724 6049
Muccia MC 14 915 6964
Sarnano MC 17 3264 10228
Serravalle di Chienti MC 18 1070 11298
Sellano PG 18 1079 12377
Montefortino FM 19 1178 13555
Montemonaco AP 19 604 14159
Camerino MC 19 6974 21133
Cessapalombo MC 19 512 21645
Amandola FM 20 3629 25274
Norcia PG 20 4957 30231

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
59 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
61 Km E of Perugia (166134 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
98 Km S of Fano (60888 inhabitants)
98 Km NW of Montesilvano (53738 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 2023-01-26
20:20:17
42.9693 13.1177 10 2023-01-26
20:29:54
Sala Sismica INGV-Roma 113820081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-26 20:20:17 ± 0.09
Latitude 42.9693 ± 0.0027
Longitude 13.1177 ± 0.0037
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113820081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 327
Semi-minor axis of confidence ellipse (meter) 182
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 30
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.05036
Epicentral distance of station farthest from the epicenter (degree) 0.25091
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 113820081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-26 20:29:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2023-01-26T20:20:28.22 0.6 undecidable manual S 86 27.8499 50 0.52 43
IV.GUMA.HHZ. 2023-01-26T20:20:25.81 0.3 undecidable manual S 60 20.4684 115 0.46 67
7F.SIB2.EHZ. 2023-01-26T20:20:24.10 0.3 undecidable manual S 120 17.4714 119 -0.32 69
IV.MMO1.EHZ. 2023-01-26T20:20:24.62 0.3 undecidable manual S 114 18.6702 117 -0.18 71
IV.PF6.EHZ. 2023-01-26T20:20:24.68 0.3 undecidable manual S 18 19.6692 116 -0.44 67
IV.CESI.HHZ. 2023-01-26T20:20:24.33 0.3 undecidable manual S 283 17.7711 119 -0.18 71
7F.SIB1.EHZ. 2023-01-26T20:20:23.71 0.3 undecidable manual S 124 14.874 123 0.05 74
IV.MF5.EHZ. 2023-01-26T20:20:23.48 0.3 undecidable manual P 86 27.8499 50 0.09 71
IV.NRCA.HHZ. 2023-01-26T20:20:23.46 0.3 undecidable manual S 181 15.0738 123 -0.25 71
7F.SIB3.EHZ. 2023-01-26T20:20:23.85 0.3 undecidable manual S 130 16.1727 121 -0.2 71
IV.CSP1.EHZ. 2023-01-26T20:20:23.77 0.3 undecidable manual S 27 15.3735 122 -0.02 74
IV.MC2.EHZ. 2023-01-26T20:20:22.37 0.3 undecidable manual S 138 8.6802 138 0.36 70
IT.MTCL.HGZ. 2023-01-26T20:20:22.42 0.3 undecidable manual S 286 9.9789 134 0.1 74
IV.GUMA.HHZ. 2023-01-26T20:20:22.13 0.1 undecidable manual P 60 20.4684 115 0.1 96
IV.PF6.EHZ. 2023-01-26T20:20:21.61 0.1 undecidable manual P 18 19.6692 116 -0.29 93
IV.CESI.HHZ. 2023-01-26T20:20:21.40 0.1 undecidable manual P 283 17.7711 119 -0.15 96
7F.SIB2.EHZ. 2023-01-26T20:20:21.35 0.1 undecidable manual P 120 17.4714 119 -0.14 96
IV.MMO1.EHZ. 2023-01-26T20:20:21.58 0.1 undecidable manual P 114 18.6702 117 -0.14 96
7F.SIB1.EHZ. 2023-01-26T20:20:21.14 0.1 undecidable manual P 124 14.874 123 0.08 98
IV.FEMA.HNZ. 2023-01-26T20:20:21.74 0.3 undecidable manual S 262 5.5944 150 0.37 70
IV.NRCA.HHZ. 2023-01-26T20:20:21.00 0.1 undecidable manual P 181 15.0738 123 -0.09 97
IV.FDMO.HHZ. 2023-01-26T20:20:21.84 0.3 undecidable manual S 342 7.881 141 0.02 75
7F.SIB3.EHZ. 2023-01-26T20:20:21.17 0.1 undecidable manual P 130 16.1727 121 -0.11 97
IV.CSP1.EHZ. 2023-01-26T20:20:21.09 0.1 undecidable manual P 27 15.3735 122 -0.04 98
IV.FDMO.HHZ. 2023-01-26T20:20:20.05 0.1 undecidable manual P 342 7.881 141 0.05 99
IV.MC2.EHZ. 2023-01-26T20:20:20.42 0.1 undecidable manual P 138 8.6802 138 0.32 94
IT.MTCL.HGZ. 2023-01-26T20:20:20.28 0.1 undecidable manual P 286 9.9789 134 0 100
IV.FEMA.HNZ. 2023-01-26T20:20:19.98 0.1 undecidable manual P 262 5.5944 150 0.24 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.3 0.000273 0.18 AML other m 2023-01-26T20:20:22.02
IV.FDMO.HHE. ML:0.8 0.000103975575 0.2688 AML other m 2023-01-26T20:20:22.06
IV.NRCA.HHN. ML:1.1 0.00012113811 0.0896 AML other m 2023-01-26T20:20:23.72
IV.NRCA.HHE. ML:1.1 0.00011821626500000002 0.1664 AML other m 2023-01-26T20:20:23.69
IV.MC2.EHE. ML:1.3 0.0002799324 0.1024 AML other m 2023-01-26T20:20:22.74
IV.MC2.EHN. ML:1.5 0.000422794 0.2048 AML other m 2023-01-26T20:20:22.87
IV.NRCA.HNE. ML:1.1 0.00012315099500000002 0.128 AML other m 2023-01-26T20:20:23.98
IV.NRCA.HNN. ML:0.9 0.000071518765 0.1536 AML other m 2023-01-26T20:20:23.68
IV.CSP1.EHE. ML:1.2 0.00013283757000000002 0.192 AML other m 2023-01-26T20:20:23.94
IV.CSP1.EHN. ML:1.2 0.00013458865 0.1408 AML other m 2023-01-26T20:20:24.01
IV.CESI.HNE. ML:1.1 0.000095721925 0.5632 AML other m 2023-01-26T20:20:28.61
IV.CESI.HNN. ML:1.1 0.00010661698 0.832 AML other m 2023-01-26T20:20:24.00
IV.CESI.HHE. ML:0.8 0.000054310105 0.2048 AML other m 2023-01-26T20:20:24.54
IV.CESI.HHN. ML:0.7 0.0000403854 0.1792 AML other m 2023-01-26T20:20:24.81
IV.GUMA.HNE. ML:1.4 0.00016425551 0.2048 AML other m 2023-01-26T20:20:31.16
IV.GUMA.HNN. ML:1.5 0.00023257720000000002 0.192 AML other m 2023-01-26T20:20:26.36
IV.GUMA.HHE. ML:1.2 0.00012056694499999999 0.8192 AML other m 2023-01-26T20:20:31.12
IV.GUMA.HHN. ML:1.3 0.00013492297 0.1792 AML other m 2023-01-26T20:20:25.96
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