Earthquake with magnitude of ML 1.5 on date 25-12-2023 and time 03:57:31 (Italy) in region 3 km E Accumoli (RI)

A magnitude ML 1.5 earthquake occured in region: 3 km E Accumoli (RI), on

  • 25-12-2023 02:57:31 (UTC)
  • 25-12-2023 03:57:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6840, 13.2820 at 6 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
Accumoli RI 3 667 667
Amatrice RI 6 2657 3324
Arquata del Tronto AP 10 1178 4502
Cittareale RI 12 482 4984
Acquasanta Terme AP 14 2916 7900
Campotosto AQ 16 542 8442
Montereale AQ 18 2581 11023
Capitignano AQ 18 665 11688
Montegallo AP 18 523 12211
Valle Castellana TE 19 977 13188
Norcia PG 20 4957 18145
Cortino TE 20 656 18801

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Teramo (54892 inhabitants)
38 Km N of L'Aquila (69753 inhabitants)
54 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
80 Km W of Pescara (121014 inhabitants)
82 Km W of Chieti (51815 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
89 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
ML 1.5 2023-12-25
02:57:31
42.6838 13.2823 6 2023-12-25
03:03:22
Sala Sismica INGV-Roma 124256091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-25 02:57:31 ± 0.09
Latitude 42.6838 ± 0.0045
Longitude 13.2823 ± 0.0061
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124256091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 452
Semi-minor axis of confidence ellipse (meter) 294
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 74
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38761
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 124256091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-25 03:03:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2023-12-25T02:57:47.06 3.0 undecidable manual S -0.32 0
IV.OFFI.HHZ. 2023-12-25T02:57:47.67 0.3 undecidable manual S 50 43.0236 50 1.47 38
IV.GUMA.HHZ. 2023-12-25T02:57:45.84 0.6 undecidable manual S 6 42.2244 98 -0.13 48
IV.MF5.EHZ. 2023-12-25T02:57:44.49 0.3 undecidable manual S 23 36.6411 99 0.43 66
IV.GIGS.HHZ. 2023-12-25T02:57:43.12 0.3 undecidable manual S 137 34.9428 100 -0.33 69
IV.GAVE.EHZ. 2023-12-25T02:57:42.09 0.3 undecidable manual S 272 31.6461 101 -0.25 70
IV.VCEL.EHZ. 2023-12-25T02:57:41.54 3.0 negative manual P -0.04 0
IV.MNTT.EHZ. 2023-12-25T02:57:40.88 3.0 negative manual P 0.3 0
IV.TERO.HNZ. 2023-12-25T02:57:40.43 0.3 undecidable manual S 104 27.0507 103 -0.37 70
IV.CSP1.EHZ. 2023-12-25T02:57:39.58 3.0 negative manual P -0.41 0
IV.LNSS.HHZ. 2023-12-25T02:57:39.40 0.3 undecidable manual S 246 21.6672 106 0.43 70
IV.MMO1.EHZ. 2023-12-25T02:57:39.78 0.3 undecidable manual S 9 24.1536 104 -0.03 74
IV.OFFI.HHZ. 2023-12-25T02:57:39.95 0.1 undecidable manual P 50 43.0236 50 0.11 93
IV.GUMA.HHZ. 2023-12-25T02:57:39.38 0.1 undecidable manual P 6 42.2244 98 -0.33 92
IV.MF5.EHZ. 2023-12-25T02:57:38.57 0.1 undecidable manual P 23 36.6411 99 -0.04 98
IV.NRCA.HHZ. 2023-12-25T02:57:38.98 0.3 undecidable manual S 321 21.5673 106 0.06 74
IV.CESI.HHZ. 2023-12-25T02:57:38.77 3.0 undecidable manual P -1.41 0
IV.CAMP.HHZ. 2023-12-25T02:57:38.30 0.3 undecidable manual S 148 19.3695 108 0.09 75
IV.RM33.EHZ. 2023-12-25T02:57:38.83 0.6 undecidable manual S 196 20.1687 107 0.36 48
IV.GAVE.EHZ. 2023-12-25T02:57:37.21 0.1 undecidable manual P 272 31.6461 101 -0.4 91
IV.GIGS.HHZ. 2023-12-25T02:57:37.68 0.6 negative manual P 137 34.9428 100 -0.57 43
IV.MMO1.EHZ. 2023-12-25T02:57:36.02 0.1 positive manual P 9 24.1536 104 -0.13 99
IV.TERO.HNZ. 2023-12-25T02:57:36.36 0.1 undecidable manual P 104 27.0507 103 -0.36 93
IV.CAMP.HHZ. 2023-12-25T02:57:35.29 0.1 undecidable manual P 148 19.3695 108 0.06 100
IV.RM33.EHZ. 2023-12-25T02:57:35.42 1.0 undecidable manual P 196 20.1687 107 0.04 25
IV.NRCA.HHZ. 2023-12-25T02:57:35.50 1.0 negative manual P 321 21.5673 106 -0.14 25
IV.LNSS.HHZ. 2023-12-25T02:57:35.77 0.1 negative manual P 246 21.6672 106 0.1 99
IV.SMA1.EHZ. 2023-12-25T02:57:34.86 0.3 undecidable manual S 144 7.2927 130 0.39 72
IV.SMA1.EHZ. 2023-12-25T02:57:33.29 0.1 undecidable manual P 144 7.2927 130 0.22 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:1.0 0.0000817 0.22 AML other m 2023-12-25T02:57:38.49
IV.CAMP.HHN. ML:0.9 0.00006829999999999999 0.66 AML other m 2023-12-25T02:57:38.50
IV.NRCA.HHN. ML:1.3 0.000158 0.52 AML other m 2023-12-25T02:57:39.30
IV.LNSS.HHN. ML:1.9 0.0005600000000000001 0.2 AML other m 2023-12-25T02:57:39.63
IV.LNSS.HHE. ML:1.8 0.0005265 0.36 AML other m 2023-12-25T02:57:39.66
IV.MMO1.EHN. ML:1.2 0.000117 1.64 AML other m 2023-12-25T02:57:39.90
IV.NRCA.HHE. ML:1.6 0.000268 1.1 AML other m 2023-12-25T02:57:39.98
IV.MMO1.EHE. ML:1.2 0.00011690000000000001 0.48 AML other m 2023-12-25T02:57:40.31
IV.TERO.HHN. ML:1.6 0.00021150000000000002 0.06 AML other m 2023-12-25T02:57:40.71
IV.RM33.EHN. ML:1.2 0.0001315 0.48 AML other m 2023-12-25T02:57:41.46
IV.RM33.EHE. ML:1.4 0.00020950000000000002 0.46 AML other m 2023-12-25T02:57:41.53
IV.TERO.HHE. ML:1.5 0.00017199999999999998 1.08 AML other m 2023-12-25T02:57:41.65
IV.GAVE.EHN. ML:1.5 0.000155 0.48 AML other m 2023-12-25T02:57:42.32
IV.GAVE.EHE. ML:1.5 0.0001575 1.82 AML other m 2023-12-25T02:57:42.01
IV.GUMA.HHE. ML:1.6 0.0001455 0.32 AML other m 2023-12-25T02:57:46.18
IV.GUMA.HHN. ML:1.6 0.00014150000000000002 0.62 AML other m 2023-12-25T02:57:46.79
IV.GUMA.HNN. ML:2.3 0.0005995 0.72 AML other m 2023-12-25T02:57:48.57
IV.GUMA.HNE. ML:2.1 0.0004445 0.42 AML other m 2023-12-25T02:57:50.56
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