Earthquake with magnitude of ML 1.0 on date 30-11-2023 and time 05:32:43 (UTC) in region 2 km NE Ussita (MC)

A magnitude ML 1.0 earthquake occured in region: 2 km NE Ussita (MC), on

  • 30-11-2023 05:32:43 (UTC)
  • 30-11-2023 06:32:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9620, 13.1480 at 9 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 2 444 444
Visso MC 6 1107 1551
Castelsantangelo sul Nera MC 7 281 1832
Bolognola MC 8 142 1974
Acquacanina MC 8 121 2095
Fiastra MC 8 559 2654
Fiordimonte MC 10 202 2856
Pieve Torina MC 12 1458 4314
Monte Cavallo MC 12 145 4459
Pievebovigliana MC 12 866 5325
Preci PG 13 724 6049
Sarnano MC 15 3264 9313
Montefortino FM 16 1178 10491
Muccia MC 16 915 11406
Montemonaco AP 16 604 12010
Amandola FM 17 3629 15639
Cessapalombo MC 19 512 16151
Norcia PG 19 4957 21108
Gualdo MC 20 815 21923
Sellano PG 20 1079 23002

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
60 Km NE of Terni (111501 inhabitants)
64 Km E of Perugia (166134 inhabitants)
71 Km N of L'Aquila (69753 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
96 Km NW of Montesilvano (53738 inhabitants)
99 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 1.0 2023-11-30
05:32:43
42.9617 13.148 9 2023-11-30
06:16:00
Sala Sismica INGV-Roma 123572761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-30 05:32:43 ± 0.12
Latitude 42.9617 ± 0.0018
Longitude 13.1480 ± 0.0037
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123572761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 310
Semi-minor axis of confidence ellipse (meter) 42
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19875
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 123572761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-30 06:16:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATFO.HHZ. 2023-11-30T05:32:53.78 3.0 positive manual P -0.23 0
IV.MML1.EHZ. 2023-11-30T05:32:51.58 0.6 undecidable manual S 320 22.0668 112 0.13 64
IV.MMO1.EHZ. 2023-11-30T05:32:49.58 0.6 undecidable manual S 115 16.0728 120 0.01 66
IV.CSP1.EHZ. 2023-11-30T05:32:49.34 0.6 undecidable manual S 18 15.1737 121 0.05 66
IV.NRCA.HHZ. 2023-11-30T05:32:49.06 0.6 undecidable manual S 191 14.4744 122 -0.02 66
IV.FDMO.HHZ. 2023-11-30T05:32:47.74 0.6 undecidable manual S 329 9.6792 133 -0.02 67
IV.MML1.EHZ. 2023-11-30T05:32:47.93 0.6 undecidable manual P 320 22.0668 112 -0.01 66
IV.NRCA.HHZ. 2023-11-30T05:32:46.58 0.3 negative manual P 191 14.4744 122 0.01 100
IV.MMO1.EHZ. 2023-11-30T05:32:46.95 0.6 positive manual P 115 16.0728 120 0.1 65
IV.CSP1.EHZ. 2023-11-30T05:32:46.38 1.0 undecidable manual P 18 15.1737 121 -0.31 31
IV.FDMO.HHZ. 2023-11-30T05:32:45.72 0.6 undecidable manual P 329 9.6792 133 -0.09 66
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.9 0.000121 1.2 AML other m 2023-11-30T05:32:47.29
IV.FDMO.HHN. ML:0.9 0.0001007 0.6 AML other m 2023-11-30T05:32:48.39
IV.NRCA.HHE. ML:1.1 0.000141 0.1 AML other m 2023-11-30T05:32:49.60
IV.NRCA.HHN. ML:1.1 0.0001135 0.4 AML other m 2023-11-30T05:32:49.52
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