Earthquake with magnitude of ML 0.8 on date 22-01-2024 and time 05:23:25 (UTC) in region 8 km NW Accumoli (RI)

A magnitude ML 0.8 earthquake occured in region: 8 km NW Accumoli (RI), on

  • 22-01-2024 05:23:25 (UTC)
  • 22-01-2024 06:23:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7460, 13.1780 at 11 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 8 667 667
Norcia PG 9 4957 5624
Arquata del Tronto AP 10 1178 6802
Cascia PG 14 3217 10019
Cittareale RI 14 482 10501
Amatrice RI 16 2657 13158
Castelsantangelo sul Nera MC 17 281 13439
Montegallo AP 17 523 13962
Preci PG 19 724 14686
Acquasanta Terme AP 19 2916 17602

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Teramo (54892 inhabitants)
45 Km SE of Foligno (57155 inhabitants)
47 Km NW of L'Aquila (69753 inhabitants)
48 Km E of Terni (111501 inhabitants)
76 Km SE of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
90 Km W of Pescara (121014 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km W of Chieti (51815 inhabitants)
92 Km NE of Tivoli (56533 inhabitants)
95 Km E of Viterbo (67173 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 0.8 2024-01-22
05:23:25
42.7463 13.178 11 2024-01-22
05:29:35
Sala Sismica INGV-Roma 124787651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-22 05:23:25 ± 0.04
Latitude 42.7463 ± 0.0018
Longitude 13.1780 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124787651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 325
Semi-minor axis of confidence ellipse (meter) 78
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.09893
Epicentral distance of station farthest from the epicenter (degree) 0.34624
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 124787651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-22 05:29:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2024-01-22T05:23:38.16 0.1 undecidable manual S 3 38.4282 50 0.04 96
IV.RM33.EHZ. 2024-01-22T05:23:34.78 0.3 undecidable manual S 174 26.4513 50 -0.16 72
IV.MMO1.EHZ. 2024-01-22T05:23:33.37 0.1 undecidable manual S 35 20.868 117 -0.04 99
IV.TERO.HHZ. 2024-01-22T05:23:32.54 0.3 undecidable manual P 111 37.3293 50 0 73
IV.SMA1.EHZ. 2024-01-22T05:23:32.35 0.6 undecidable manual S 135 18.1707 120 -0.23 48
IV.LNSS.HHZ. 2024-01-22T05:23:32.98 0.1 undecidable manual S 215 19.4694 118 0 100
IV.CSP1.EHZ. 2024-01-22T05:23:32.62 0.3 undecidable manual P 3 38.4282 50 -0.08 71
IV.NRCA.HHZ. 2024-01-22T05:23:30.43 0.1 undecidable manual S 332 10.9779 134 -0.15 98
IV.MMO1.EHZ. 2024-01-22T05:23:30.00 0.1 undecidable manual P 35 20.868 117 0.02 99
IV.RM33.EHZ. 2024-01-22T05:23:30.93 0.3 undecidable manual P 174 26.4513 50 0.06 73
IV.LNSS.HHZ. 2024-01-22T05:23:29.76 0.1 undecidable manual P 215 19.4694 118 0.03 100
IV.SMA1.EHZ. 2024-01-22T05:23:29.71 0.1 undecidable manual P 135 18.1707 120 0.21 96
IV.NRCA.HHZ. 2024-01-22T05:23:28.49 0.1 undecidable manual P 332 10.9779 134 0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.8 0.00006395000000000001 0.72 AML other m 2024-01-22T05:23:30.61
IV.NRCA.HHE. ML:0.8 0.00006675000000000001 0.08 AML other m 2024-01-22T05:23:30.75
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