Earthquake with magnitude of ML 0.1 on date 31-12-2023 and time 06:12:33 (UTC) in region 6 km S Castelsantangelo sul Nera (MC)

A magnitude ML 0.1 earthquake occured in region: 6 km S Castelsantangelo sul Nera (MC), on

  • 31-12-2023 06:12:33 (UTC)
  • 31-12-2023 07:12:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8440, 13.1580 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
Castelsantangelo sul Nera MC 6 281 281
Norcia PG 8 4957 5238
Preci PG 10 724 5962
Visso MC 11 1107 7069
Ussita MC 11 444 7513
Arquata del Tronto AP 14 1178 8691
Montegallo AP 14 523 9214
Montemonaco AP 15 604 9818
Bolognola MC 18 142 9960
Accumoli RI 18 667 10627
Cascia PG 18 3217 13844
Montefortino FM 19 1178 15022
Sellano PG 19 1079 16101
Cerreto di Spoleto PG 20 1075 17176

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
49 Km W of Teramo (54892 inhabitants)
52 Km NE of Terni (111501 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
91 Km SW of Ancona (100861 inhabitants)
96 Km W of Pescara (121014 inhabitants)
98 Km E of Viterbo (67173 inhabitants)
99 Km NW of Chieti (51815 inhabitants)
100 Km NE of Guidonia Montecelio (88673 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 0.1 2023-12-31
06:12:33
42.8442 13.1583 12 2023-12-31
13:00:48
Sala Sismica INGV-Roma 124374971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-31 06:12:33 ± 0.15
Latitude 42.8442 ± 0.0081
Longitude 13.1583 ± 0.0061
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 124374971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 854
Semi-minor axis of confidence ellipse (meter) 289
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 350
Circular confidence region, given by single value of horizontal uncertainty (meter) 850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 183
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
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) 0.19875
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 124374971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-31 13:00:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2023-12-31T06:12:47.61 3.0 undecidable manual P 0 0
IV.FDMO.HHZ. 2023-12-31T06:12:42.17 0.6 undecidable manual S 345 22.0668 98 -0.15 48
IV.MMO1.EHZ. 2023-12-31T06:12:40.32 0.6 undecidable manual S 66 14.9739 110 -0.16 48
7F.SIB1.HNZ. 2023-12-31T06:12:39.91 0.6 undecidable manual S 58 10.6782 125 0.46 46
7F.SIB2.EHZ. 2023-12-31T06:12:39.95 0.6 undecidable manual S 66 12.876 117 -0.02 50
IV.FDMO.HHZ. 2023-12-31T06:12:38.79 0.6 undecidable manual P 345 22.0668 98 0 49
IV.MC2.EHZ. 2023-12-31T06:12:38.92 0.6 undecidable manual S 19 7.881 138 0.03 50
IV.NRCA.HHZ. 2023-12-31T06:12:38.17 0.6 undecidable manual S 252 3.7962 158 -0.14 49
7F.SIB3.EHZ. 2023-12-31T06:12:38.94 0.6 undecidable manual S 69 9.6792 129 -0.31 47
IV.MMO1.EHZ. 2023-12-31T06:12:37.85 0.6 positive manual P 66 14.9739 110 0.13 49
7F.SIB2.EHZ. 2023-12-31T06:12:37.35 0.1 undecidable manual P 66 12.876 117 -0.08 98
7F.SIB1.HNZ. 2023-12-31T06:12:37.32 0.1 undecidable manual P 58 10.6782 125 0.19 97
IV.MC2.EHZ. 2023-12-31T06:12:36.67 0.1 undecidable manual P 19 7.881 138 -0.13 99
IV.NRCA.HHZ. 2023-12-31T06:12:36.62 0.3 positive manual P 252 3.7962 158 0.15 74
7F.SIB3.EHZ. 2023-12-31T06:12:36.99 0.1 undecidable manual P 69 9.6792 129 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.2 0.000024530825 0.08 AML other m 2023-12-31T06:12:38.18
IV.NRCA.HHN. ML:0.2 0.000020963155 0.0992 AML other m 2023-12-31T06:12:38.59
IV.FDMO.HHE. ML:-0.1 0.0000035241185 0.6208 AML other m 2023-12-31T06:12:40.81
IV.FDMO.HHN. ML:-0.1 0.0000029837650000000002 0.1408 AML other m 2023-12-31T06:12:42.42
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