Earthquake with magnitude of ML 1.0 on date 24-12-2023 and time 01:23:43 (Italy) in region 6 km NW Arquata del Tronto (AP)

A magnitude ML 1.0 earthquake occured in region: 6 km NW Arquata del Tronto (AP), on

  • 24-12-2023 00:23:43 (UTC)
  • 24-12-2023 01:23:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8040, 13.2340 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
Arquata del Tronto AP 6 1178 1178
Montegallo AP 9 523 1701
Norcia PG 12 4957 6658
Castelsantangelo sul Nera MC 12 281 6939
Accumoli RI 12 667 7606
Montemonaco AP 13 604 8210
Acquasanta Terme AP 15 2916 11126
Ussita MC 18 444 11570
Montefortino FM 18 1178 12748
Preci PG 18 724 13472
Visso MC 19 1107 14579
Amatrice RI 20 2657 17236

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
52 Km N of L'Aquila (69753 inhabitants)
55 Km E of Terni (111501 inhabitants)
77 Km E of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
92 Km NW of Chieti (51815 inhabitants)
93 Km S of Ancona (100861 inhabitants)
99 Km NE of Guidonia Montecelio (88673 inhabitants)
100 Km NE of Tivoli (56533 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
Md 1.4
ML 1.0
2023-12-24
00:23:43
42.8043 13.2343 9 2023-12-24
00:48:29
Sala Sismica INGV-Roma 124230571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-24 00:23:43 ± 0.06
Latitude 42.8043 ± 0.0027
Longitude 13.2343 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124230571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 379
Semi-minor axis of confidence ellipse (meter) 140
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42988
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 124230571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-24 00:48:29

Md:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude Md
Reference to an origin 124230571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-24 00:48:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIGS.HHN. 2023-12-24T00:23:59.14 0.3 undecidable manual S 145 47.7189 50 0.02 70
IV.MML1.EHZ. 2023-12-24T00:23:57.27 0.3 undecidable manual S 328 40.3263 50 0.13 70
IV.SRES.HHZ. 2023-12-24T00:23:56.28 3.0 undecidable manual P -0.07 0
IV.TERO.HHZ. 2023-12-24T00:23:55.68 0.3 undecidable manual S 124 36.2415 50 -0.36 67
IV.RM33.EHN. 2023-12-24T00:23:55.28 0.6 undecidable manual S 183 32.8449 105 0.16 47
IV.GUMA.HHZ. 2023-12-24T00:23:54.60 0.3 undecidable manual S 16 29.748 106 0.49 66
IV.MF5.EHZ. 2023-12-24T00:23:53.95 0.3 undecidable manual S 42 27.3504 107 0.65 62
IV.LNSS.HHE. 2023-12-24T00:23:53.52 0.3 undecidable manual S 215 27.3504 107 0.21 70
IT.MTCL.HGE. 2023-12-24T00:23:53.65 0.6 undecidable manual S 318 28.3494 107 0.01 49
IV.FDMO.HHZ. 2023-12-24T00:23:53.44 0.6 undecidable manual S 335 28.3494 107 -0.2 47
IV.GIGS.HHN. 2023-12-24T00:23:52.93 0.1 undecidable manual P 145 47.7189 50 0.48 85
IV.SMA1.EHZ. 2023-12-24T00:23:51.28 0.3 undecidable manual S 157 20.9679 112 0.07 73
IV.MML1.EHZ. 2023-12-24T00:23:51.30 0.1 undecidable manual P 328 40.3263 50 -0.01 95
IV.RM33.EHN. 2023-12-24T00:23:50.10 0.1 undecidable manual P 183 32.8449 105 -0.05 96
IV.TERO.HHZ. 2023-12-24T00:23:50.29 0.1 undecidable manual P 124 36.2415 50 -0.39 89
IV.MTRA.EHE. 2023-12-24T00:23:49.70 0.6 undecidable manual S 112 14.1747 121 0.59 43
IV.LNSS.HHE. 2023-12-24T00:23:49.15 0.1 undecidable manual P 215 27.3504 107 0.05 97
IT.MTCL.HGE. 2023-12-24T00:23:49.30 0.1 undecidable manual P 318 28.3494 107 0.01 97
IV.FDMO.HHZ. 2023-12-24T00:23:49.06 0.1 undecidable manual P 335 28.3494 107 -0.23 93
IV.MF5.EHZ. 2023-12-24T00:23:49.40 0.1 undecidable manual P 42 27.3504 107 0.3 92
IV.GUMA.HHZ. 2023-12-24T00:23:49.64 0.1 undecidable manual P 16 29.748 106 0.08 96
IV.MC2.EHE. 2023-12-24T00:23:48.83 0.3 undecidable manual S 343 12.4764 125 0.24 71
IV.MMO1.EHZ. 2023-12-24T00:23:48.43 0.3 undecidable manual S 35 12.9759 123 -0.3 70
IV.SMA1.EHZ. 2023-12-24T00:23:47.70 0.1 undecidable manual P 157 20.9679 112 -0.19 95
7F.SIB2.EHE. 2023-12-24T00:23:47.70 0.3 undecidable manual S 30 11.1777 128 -0.53 67
7F.SIB3.EHE. 2023-12-24T00:23:47.96 0.6 undecidable manual S 20 8.3805 136 0.46 46
IV.NRCA.HHZ. 2023-12-24T00:23:47.89 0.3 undecidable manual S 288 10.2786 130 -0.11 74
7F.SIB1.EHE. 2023-12-24T00:23:47.85 0.3 undecidable manual S 16 10.3785 129 -0.18 73
IV.MTRA.EHE. 2023-12-24T00:23:46.51 0.1 undecidable manual P 112 14.1747 121 -0.17 96
IV.NRCA.HHZ. 2023-12-24T00:23:46.11 0.1 negative manual P 288 10.2786 130 0.08 99
7F.SIB1.EHE. 2023-12-24T00:23:46.00 0.1 positive manual P 16 10.3785 129 -0.05 99
IV.MC2.EHE. 2023-12-24T00:23:46.37 0.1 undecidable manual P 343 12.4764 125 0 100
IV.MMO1.EHZ. 2023-12-24T00:23:46.37 0.1 undecidable manual P 35 12.9759 123 -0.09 98
7F.SIB2.EHE. 2023-12-24T00:23:45.99 0.1 undecidable manual P 30 11.1777 128 -0.18 97
7F.SIB3.EHE. 2023-12-24T00:23:45.47 0.1 undecidable manual P 20 8.3805 136 -0.28 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.2 0.00023099999999999998 0.6 AML other m 2023-12-24T00:23:48.03
IV.NRCA.HHN. ML:1.4 0.000375 0.9 AML other m 2023-12-24T00:23:48.08
IV.MMO1.EHE. ML:0.7 0.000060400000000000004 1 AML other m 2023-12-24T00:23:49.42
IV.MMO1.EHN. ML:0.8 0.00007345 0.64 AML other m 2023-12-24T00:23:51.80
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