Earthquake with magnitude of ML 1.1 on date 26-02-2024 and time 10:47:32 (UTC) in region 1 km W Accumoli (RI)

A magnitude ML 1.1 earthquake occured in region: 1 km W Accumoli (RI), on

  • 26-02-2024 10:47:32 (UTC)
  • 26-02-2024 11:47:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6960, 13.2380 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 1 667 667
Amatrice RI 8 2657 3324
Arquata del Tronto AP 10 1178 4502
Cittareale RI 11 482 4984
Norcia PG 16 4957 9941
Acquasanta Terme AP 16 2916 12857
Montegallo AP 18 523 13380
Cascia PG 19 3217 16597
Campotosto AQ 19 542 17139
Montereale AQ 19 2581 19720

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of Teramo (54892 inhabitants)
40 Km NW of L'Aquila (69753 inhabitants)
51 Km E of Terni (111501 inhabitants)
52 Km SE of Foligno (57155 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
84 Km W of Pescara (121014 inhabitants)
85 Km W of Chieti (51815 inhabitants)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km NE of Tivoli (56533 inhabitants)
98 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 1.1 2024-02-26
10:47:32
42.6957 13.2385 11 2024-02-26
11:00:58
Sala Sismica INGV-Roma 125555231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-26 10:47:32 ± 0.06
Latitude 42.6957 ± 0.0027
Longitude 13.2385 ± 0.0049
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 125555231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 276
Semi-minor axis of confidence ellipse (meter) 246
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 259
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27789
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 125555231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-26 11:00:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZCCA.HHZ. 2024-02-26T10:48:44.74 3.0 undecidable manual Sg 3.91 0
IV.MFNL.HHZ. 2024-02-26T10:48:39.22 3.0 negative manual Pn -4 0
IV.ZEN8.EHZ. 2024-02-26T10:48:35.56 3.0 undecidable manual Pg 12.15 0
IV.BRSN.HNZ. 2024-02-26T10:48:26.53 3.0 undecidable manual Sg 0.69 0
GU.CARD.HHZ. 2024-02-26T10:48:17.25 3.0 undecidable manual Pg 6.43 0
IV.SACR.HHZ. 2024-02-26T10:48:17.27 3.0 undecidable manual Sn -0.31 0
IV.RIBO.EHZ.01 2024-02-26T10:48:05.93 3.0 negative manual Pg 4.74 0
IV.PIEI.HHZ. 2024-02-26T10:48:03.13 3.0 undecidable manual Sg -3.81 0
IT.VNF1.HNZ. 2024-02-26T10:47:52.67 3.0 negative manual Pn 0.09 0
IV.PARC.HHZ. 2024-02-26T10:47:49.19 3.0 undecidable manual P -4.12 0
IV.TERO.HHZ. 2024-02-26T10:47:42.46 0.6 undecidable manual S 105 30.8469 50 -0.36 47
IV.GAVE.EHE. 2024-02-26T10:47:41.85 0.6 undecidable manual S 269 28.0497 50 -0.22 48
IV.RM33.EHZ. 2024-02-26T10:47:40.32 0.6 undecidable manual S 185 20.7681 117 0.21 48
7F.SIB2.EHZ. 2024-02-26T10:47:40.46 0.6 undecidable manual S 14 22.3554 50 -0.08 50
7F.SIB1.HNN. 2024-02-26T10:47:40.70 0.6 undecidable manual S 7 22.2555 50 0.19 48
IV.NRCA.HHZ. 2024-02-26T10:47:39.05 0.6 undecidable manual S 327 18.3705 120 -0.31 47
IV.LNSS.HHZ. 2024-02-26T10:47:39.46 0.6 undecidable manual S 238 19.1697 119 -0.15 48
IV.TERO.HHZ. 2024-02-26T10:47:38.17 0.1 undecidable manual P 105 30.8469 50 -0.08 98
IV.SMA1.EHZ. 2024-02-26T10:47:37.26 0.6 undecidable manual S 132 10.6782 135 0.03 51
IV.GAVE.EHE. 2024-02-26T10:47:37.88 0.1 undecidable manual P 269 28.0497 50 0.06 98
7F.SIB1.HNN. 2024-02-26T10:47:37.06 0.1 undecidable manual P 7 22.2555 50 0.14 97
IV.MC2.EHZ. 2024-02-26T10:47:37.40 0.1 undecidable manual P 350 24.2535 50 0.17 96
IV.LNSS.HHZ. 2024-02-26T10:47:36.72 0.6 undecidable manual P 238 19.1697 119 0.32 48
IV.NRCA.HHZ. 2024-02-26T10:47:36.23 1.0 negative manual P 327 18.3705 120 -0.02 25
IV.RM33.EHZ. 2024-02-26T10:47:36.68 0.3 positive manual P 185 20.7681 117 -0.01 76
7F.SIB2.EHZ. 2024-02-26T10:47:36.85 0.1 undecidable manual P 14 22.3554 50 -0.08 100
IV.SMA1.EHZ. 2024-02-26T10:47:35.30 1.0 negative manual P 132 10.6782 135 0.27 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.4 0.00019539855 0.0832 AML other m 2024-02-26T10:47:39.32
IV.NRCA.HHE. ML:1.5 0.000262 0.12 AML other m 2024-02-26T10:47:39.41
IV.RM33.EHE. ML:0.8 0.00004915 1 AML other m 2024-02-26T10:47:40.50
IV.RM33.EHN. ML:0.7 0.000032800000000000004 0.6 AML other m 2024-02-26T10:47:46.00
IV.SMA1.EHE. ML:0.7 0.000055888364999999996 0.32 AML other m 2024-02-26T10:47:41.03
IV.SMA1.EHN. ML:0.7 0.00006732266000000001 0.1984 AML other m 2024-02-26T10:47:38.24
IV.NRCA.HNE. ML:1.5 0.00025231405000000003 0.0896 AML other m 2024-02-26T10:47:39.37
IV.NRCA.HNN. ML:1.4 0.00021889025000000002 0.8896 AML other m 2024-02-26T10:47:50.51
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download