Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 26-02-2024 and time 15:28:28 (UTC) in region 2 km W Amatrice (RI)

A magnitude ML 1.6 earthquake occured in region: 2 km W Amatrice (RI), on

  • 26-02-2024 15:28:28 (UTC)
  • 26-02-2024 16:28:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6260, 13.2590 at 13 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Amatrice RI 3 2657 2657
Accumoli RI 8 667 3324
Cittareale RI 8 482 3806
Montereale AQ 11 2581 6387
Campotosto AQ 12 542 6929
Capitignano AQ 12 665 7594
Borbona RI 16 617 8211
Arquata del Tronto AP 17 1178 9389
Posta RI 18 694 10083
Cagnano Amiterno AQ 19 1369 11452
Barete AQ 20 737 12189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of L'Aquila (69753 inhabitants)
37 Km W of Teramo (54892 inhabitants)
51 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
80 Km W of Pescara (121014 inhabitants)
81 Km W of Chieti (51815 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
97 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 1.6 2024-02-26
15:28:28		 42.6263 13.2593 13 2024-02-26
15:36:04		 Sala Sismica INGV-Roma 125558391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-26 15:28:28 ± 0.06
Latitude 42.6263 ± 0.0027
Longitude 13.2593 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125558391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 289
Semi-minor axis of confidence ellipse (meter) 106
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 25
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 23
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) 0.28958
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 125558391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-26 15:36:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.MTCL.HGZ. 2024-02-26T15:28:41.02 3.0 undecidable manual Sn -4.32 0
7F.SIB1.EHN. 2024-02-26T15:28:39.08 0.6 undecidable manual S 2 29.748 96 0.03 48
IV.GIGS.HHZ. 2024-02-26T15:28:39.52 0.3 undecidable manual S 127 32.0457 95 -0.13 70
IV.GAVE.EHZ. 2024-02-26T15:28:39.13 0.3 undecidable manual S 284 30.6471 96 -0.16 70
IV.TERO.HHZ. 2024-02-26T15:28:38.46 0.1 undecidable manual S 91 28.1496 96 -0.16 93
7F.SIB2.EHZ. 2024-02-26T15:28:38.95 0.3 undecidable manual S 7 29.5482 96 -0.05 71
IV.NRCA.HHZ. 2024-02-26T15:28:37.60 0.3 undecidable manual S 333 25.8519 98 -0.41 67
IV.MF5.EHZ. 2024-02-26T15:28:37.44 3.0 positive manual Pg 3.46 0
IV.LNSS.HHZ. 2024-02-26T15:28:35.80 0.3 undecidable manual S 262 18.0708 106 -0.17 72
IV.GIGS.HHZ. 2024-02-26T15:28:35.00 0.3 undecidable manual P 127 32.0457 95 0.01 72
IV.MC2.EHE. 2024-02-26T15:28:35.39 0.6 undecidable manual P 350 32.1456 95 0.38 44
IV.CAMP.HHZ. 2024-02-26T15:28:35.25 0.3 undecidable manual S 129 15.873 111 -0.16 72
IV.MTRA.HNN. 2024-02-26T15:28:35.78 0.3 undecidable manual S 38 18.2706 106 -0.25 69
IV.GAVE.EHZ. 2024-02-26T15:28:34.77 0.1 undecidable manual P 284 30.6471 96 -0.01 96
IV.RM33.EHZ. 2024-02-26T15:28:34.69 0.1 undecidable manual S 196 13.5753 118 -0.16 96
IV.NRCA.HHZ. 2024-02-26T15:28:34.09 0.1 undecidable manual P 333 25.8519 98 0.05 96
7F.SIB1.EHN. 2024-02-26T15:28:34.84 0.1 undecidable manual P 2 29.748 96 0.19 93
IV.TERO.HHZ. 2024-02-26T15:28:34.41 0.1 undecidable manual P 91 28.1496 96 0.01 96
7F.SIB2.EHZ. 2024-02-26T15:28:34.66 0.3 undecidable manual P 7 29.5482 96 0.04 72
IV.SMA1.EHZ. 2024-02-26T15:28:33.42 0.1 undecidable manual S 86 6.1938 147 0.02 100
IV.LNSS.HHZ. 2024-02-26T15:28:32.94 0.1 undecidable manual P 262 18.0708 106 0.07 96
IV.CAMP.HHZ. 2024-02-26T15:28:32.74 0.1 undecidable manual P 129 15.873 111 0.2 95
IV.MTRA.HNN. 2024-02-26T15:28:32.99 0.1 undecidable manual P 38 18.2706 106 0.09 97
IV.RM33.EHZ. 2024-02-26T15:28:32.37 0.1 undecidable manual P 196 13.5753 118 0.15 96
IV.SMA1.EHZ. 2024-02-26T15:28:31.64 0.1 undecidable manual P 86 6.1938 147 0.26 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:2.3 0.002542192 0.2688 AML other m 2024-02-26T15:28:33.67
IV.SMA1.EHN. ML:1.7 0.00062881675 0.1024 AML other m 2024-02-26T15:28:34.16
IV.RM33.EHE. ML:1.5 0.0002878658 0.1152 AML other m 2024-02-26T15:28:35.16
IV.RM33.EHN. ML:1.6 0.0004005 1.88 AML other m 2024-02-26T15:28:35.99
IV.LNSS.HHN. ML:1.5 0.00022049999999999997 1.62 AML other m 2024-02-26T15:28:35.95
IV.LNSS.HHE. ML:1.6 0.00026450000000000003 0.14 AML other m 2024-02-26T15:28:36.00
IV.NRCA.HHN. ML:1.8 0.00035950000000000006 0.16 AML other m 2024-02-26T15:28:37.90
IV.NRCA.HNN. ML:1.7 0.0003010253 0.1664 AML other m 2024-02-26T15:28:37.91
IV.NRCA.HNE. ML:1.8 0.00031280470000000004 0.0896 AML other m 2024-02-26T15:28:38.38
IV.NRCA.HHE. ML:1.8 0.0003226272 0.1024 AML other m 2024-02-26T15:28:38.38
IV.TERO.HHN. ML:1.2 0.000076757435 0.064 AML other m 2024-02-26T15:28:39.17
IV.GAVE.EHN. ML:1.4 0.00011300000000000001 0.3 AML other m 2024-02-26T15:28:39.32
IV.GAVE.EHE. ML:1.6 0.0001629159 0.128 AML other m 2024-02-26T15:28:39.87
IV.TERO.HHE. ML:1.0 0.000050577535 0.128 AML other m 2024-02-26T15:28:40.95
IV.RM33.HNE. ML:1.5 0.0003079655 0.128 AML other m 2024-02-26T15:28:35.23
IV.RM33.HNN. ML:1.6 0.00041139475 0.1152 AML other m 2024-02-26T15:28:34.00
IV.LNSS.HNE. ML:1.5 0.00023707865 0.1408 AML other m 2024-02-26T15:28:36.07
IV.LNSS.HNN. ML:1.5 0.0002412019 0.1664 AML other m 2024-02-26T15:28:35.96
IV.TERO.HNE. ML:1.4 0.00013240205 2.3296 AML other m 2024-02-26T15:28:39.85
IV.TERO.HNN. ML:1.3 0.00009107500999999999 0.0768 AML other m 2024-02-26T15:28:39.18
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