Earthquake with magnitude of ML 0.9 on date 08-12-2023 and time 01:41:50 (UTC) in region 4 km S Fiordimonte (MC)

A magnitude ML 0.9 earthquake occured in region: 4 km S Fiordimonte (MC), on

  • 08-12-2023 01:41:50 (UTC)
  • 08-12-2023 02:41:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0020, 13.0820 at 12 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
Fiordimonte MC 4 202 202
Pieve Torina MC 5 1458 1660
Monte Cavallo MC 7 145 1805
Pievebovigliana MC 7 866 2671
Fiastra MC 7 559 3230
Visso MC 8 1107 4337
Ussita MC 8 444 4781
Acquacanina MC 8 121 4902
Muccia MC 10 915 5817
Bolognola MC 12 142 5959
Serravalle di Chienti MC 13 1070 7029
Castelsantangelo sul Nera MC 13 281 7310
Preci PG 14 724 8034
Camerino MC 15 6974 15008
Sellano PG 18 1079 16087
Sarnano MC 18 3264 19351
Cessapalombo MC 19 512 19863
Caldarola MC 19 1823 21686
Sefro MC 19 422 22108

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
58 Km E of Perugia (166134 inhabitants)
61 Km NE of Terni (111501 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
77 Km SW of Ancona (100861 inhabitants)
94 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 2023-12-08
01:41:50
43.002 13.0823 12 2023-12-08
02:01:19
Sala Sismica INGV-Roma 123885281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-08 01:41:50 ± 0.07
Latitude 43.0020 ± 0.0027
Longitude 13.0823 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123885281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 300
Semi-minor axis of confidence ellipse (meter) 21
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 313
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.03507
Epicentral distance of station farthest from the epicenter (degree) 0.38221
Number of stations at which the event was observed 12
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 8
Type of magnitude ML
Reference to an origin 123885281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-08 02:01:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2023-12-08T01:42:04.32 0.6 undecidable manual S 12 42.4242 91 -0.11 46
IV.ASSB.HHZ. 2023-12-08T01:42:02.35 0.6 undecidable manual S 278 34.6431 92 0 47
IV.SNTG.HHZ. 2023-12-08T01:42:00.82 0.6 undecidable manual S 338 30.3474 92 -0.38 45
IV.GUMA.HHZ. 2023-12-08T01:41:59.32 0.6 undecidable manual S 72 21.5673 94 0.45 44
IV.MMO1.EHZ. 2023-12-08T01:41:58.95 0.6 undecidable manual S 120 22.8549 94 -0.26 46
IV.CING.HHZ. 2023-12-08T01:41:58.68 1.0 negative manual P 12 42.4242 91 0.08 23
IV.NRCA.HHZ. 2023-12-08T01:41:58.00 0.6 undecidable manual S 172 18.87 96 -0.14 47
IV.ASSB.HHZ. 2023-12-08T01:41:57.24 0.6 negative manual P 278 34.6431 92 -0.16 46
IV.CESI.HHZ. 2023-12-08T01:41:57.13 0.6 undecidable manual S 271 14.3745 106 0.16 47
IV.MML1.EHZ. 2023-12-08T01:41:57.13 0.6 undecidable manual S 324 15.2736 103 -0.07 49
IV.SNTG.HHZ. 2023-12-08T01:41:56.54 1.0 negative manual P 338 30.3474 92 -0.19 23
IV.CSP1.EHZ. 2023-12-08T01:41:56.80 0.6 undecidable manual S 45 14.0748 107 -0.09 48
IV.MMO1.EHZ. 2023-12-08T01:41:55.45 1.0 positive manual P 120 22.8549 94 -0.14 24
IV.FEMA.HNE. 2023-12-08T01:41:55.25 0.6 undecidable manual S 211 5.1948 149 0.23 48
IV.GUMA.HHZ. 2023-12-08T01:41:55.57 0.6 undecidable manual P 72 21.5673 94 0.18 47
IT.MTCL.HGE. 2023-12-08T01:41:55.20 0.6 undecidable manual S 262 6.7932 140 -0.07 49
IV.MML1.EHZ. 2023-12-08T01:41:54.44 0.1 undecidable manual P 324 15.2736 103 0.01 97
IV.NRCA.HHZ. 2023-12-08T01:41:54.84 0.1 undecidable manual P 172 18.87 96 -0.13 95
IV.FDMO.HHZ. 2023-12-08T01:41:54.71 0.6 undecidable manual S 6 3.8961 156 -0.15 48
IV.CSP1.EHZ. 2023-12-08T01:41:54.19 0.1 negative manual P 45 14.0748 107 -0.06 97
IV.CESI.HHZ. 2023-12-08T01:41:54.39 0.1 positive manual P 271 14.3745 106 0.09 96
IV.FEMA.HNE. 2023-12-08T01:41:53.39 0.1 undecidable manual P 211 5.1948 149 0.22 96
IT.MTCL.HGE. 2023-12-08T01:41:53.35 0.1 undecidable manual P 262 6.7932 140 0.03 99
IV.FDMO.HHZ. 2023-12-08T01:41:53.09 0.1 undecidable manual P 6 3.8961 156 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:1.3 0.000188 0.18 AML other m 2023-12-08T01:41:56.89
IV.CSP1.EHE. ML:1.4 0.00022250000000000001 0.44 AML other m 2023-12-08T01:41:56.99
IV.CESI.HHE. ML:0.8 0.00005255 0.34 AML other m 2023-12-08T01:41:57.25
IV.MML1.EHN. ML:0.7 0.000041700000000000004 0.12 AML other m 2023-12-08T01:41:57.33
IV.CESI.HHN. ML:0.8 0.0000613 0.32 AML other m 2023-12-08T01:41:57.58
IV.MML1.EHE. ML:0.8 0.00005395 0.82 AML other m 2023-12-08T01:41:57.45
IV.NRCA.HHE. ML:0.9 0.0000567 0.12 AML other m 2023-12-08T01:41:58.17
IV.NRCA.HHN. ML:0.9 0.00006715 0.12 AML other m 2023-12-08T01:41:58.71
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