Earthquake with magnitude of ML 0.9 on date 24-12-2023 and time 23:58:45 (Italy) in region 1 km N Ussita (MC)

A magnitude ML 0.9 earthquake occured in region: 1 km N Ussita (MC), on

  • 24-12-2023 22:58:45 (UTC)
  • 24-12-2023 23:58:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9500, 13.1380 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.

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 1 444 444
Visso MC 5 1107 1551
Castelsantangelo sul Nera MC 6 281 1832
Bolognola MC 9 142 1974
Acquacanina MC 10 121 2095
Fiastra MC 10 559 2654
Fiordimonte MC 11 202 2856
Preci PG 11 724 3580
Monte Cavallo MC 12 145 3725
Pieve Torina MC 13 1458 5183
Pievebovigliana MC 13 866 6049
Montemonaco AP 16 604 6653
Sarnano MC 16 3264 9917
Muccia MC 17 915 10832
Montefortino FM 17 1178 12010
Norcia PG 18 4957 16967
Amandola FM 18 3629 20596
Sellano PG 18 1079 21675
Montegallo AP 20 523 22198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
56 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
63 Km E of Perugia (166134 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
96 Km NW of Montesilvano (53738 inhabitants)
100 Km S of Fano (60888 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 0.9 2023-12-24
22:58:45
42.9502 13.1378 11 2023-12-24
23:09:54
Sala Sismica INGV-Roma 124253851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-24 22:58:45 ± 0.05
Latitude 42.9502 ± 0.0027
Longitude 13.1378 ± 0.0037
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 124253851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 353
Semi-minor axis of confidence ellipse (meter) 239
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 56
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) 93
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.20325
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 124253851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-24 23:09:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HNZ. 2023-12-24T22:58:58.40 3.0 undecidable manual P 0.12 0
IV.MML1.EHZ. 2023-12-24T22:58:54.16 0.1 undecidable manual S 323 22.5552 50 -0.03 98
IV.CESI.HHZ. 2023-12-24T22:58:53.38 0.3 undecidable manual S 288 19.869 50 -0.09 73
IV.MMO1.EHZ. 2023-12-24T22:58:52.35 0.1 undecidable manual S 110 16.3725 124 -0.16 96
IV.CSP1.EHZ. 2023-12-24T22:58:52.56 0.3 undecidable manual S 19 16.6722 123 -0.03 74
7F.SIB3.EHZ. 2023-12-24T22:58:51.59 0.3 undecidable manual S 128 13.5753 129 -0.15 73
IT.MTCL.HGZ. 2023-12-24T22:58:51.27 0.3 undecidable manual S 293 12.2766 132 -0.11 73
IV.NRCA.HHZ. 2023-12-24T22:58:51.35 0.1 undecidable manual S 188 13.0758 130 -0.25 95
7F.SIB1.EHZ. 2023-12-24T22:58:51.42 0.6 undecidable manual S 120 12.3765 132 0 50
7F.SIB2.EHZ. 2023-12-24T22:58:51.90 0.3 undecidable manual S 116 14.9739 126 -0.23 71
IV.FDMO.HHZ. 2023-12-24T22:58:50.64 0.3 undecidable manual S 337 10.3785 136 -0.29 71
IV.CESI.HHZ. 2023-12-24T22:58:50.21 0.1 positive manual P 288 19.869 50 0.04 98
IV.MML1.EHZ. 2023-12-24T22:58:50.61 0.6 undecidable manual P 323 22.5552 50 0.02 49
IV.MC2.EHZ. 2023-12-24T22:58:50.34 0.3 undecidable manual S 136 5.994 151 0.33 71
IV.MMO1.EHZ. 2023-12-24T22:58:49.65 0.6 positive manual P 110 16.3725 124 0.02 49
IV.CSP1.EHZ. 2023-12-24T22:58:49.75 0.3 positive manual P 19 16.6722 123 0.08 73
7F.SIB2.EHZ. 2023-12-24T22:58:49.38 0.1 undecidable manual P 116 14.9739 126 -0.02 99
7F.SIB3.EHZ. 2023-12-24T22:58:49.17 0.1 undecidable manual P 128 13.5753 129 -0.01 100
IV.NRCA.HHZ. 2023-12-24T22:58:49.10 0.1 undecidable manual P 188 13.0758 130 0 100
7F.SIB1.EHZ. 2023-12-24T22:58:49.19 0.1 undecidable manual P 120 12.3765 132 0.19 96
IV.MC2.EHZ. 2023-12-24T22:58:48.55 0.1 undecidable manual P 136 5.994 151 0.36 94
IV.FDMO.HHZ. 2023-12-24T22:58:48.73 0.1 undecidable manual P 337 10.3785 136 0.02 100
IT.MTCL.HGZ. 2023-12-24T22:58:48.99 0.1 undecidable manual P 293 12.2766 132 0.02 100
IV.FEMA.HNZ. 2023-12-24T22:58:48.57 0.1 undecidable manual P 281 7.2927 146 0.25 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.00011685 0.08 AML other m 2023-12-24T22:58:51.41
IV.NRCA.HHE. ML:1.1 0.00013350000000000002 0.7 AML other m 2023-12-24T22:58:51.87
IV.MML1.EHN. ML:0.8 0.0000465 0.18 AML other m 2023-12-24T22:58:54.28
IV.MML1.EHE. ML:0.6 0.000026 0.62 AML other m 2023-12-24T22:58:56.37
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download