Earthquake with magnitude of ML 1.3 on date 11-04-2024 and time 11:43:35 (Italy) in region 6 km SW Amatrice (RI)

A magnitude ML 1.3 earthquake occured in region: 6 km SW Amatrice (RI), on

  • 11-04-2024 09:43:35 (UTC)
  • 11-04-2024 11:43:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5850, 13.2510 at 15 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
Amatrice RI 6 2657 2657
Montereale AQ 7 2581 5238
Capitignano AQ 8 665 5903
Cittareale RI 8 482 6385
Campotosto AQ 10 542 6927
Accumoli RI 12 667 7594
Borbona RI 13 617 8211
Cagnano Amiterno AQ 14 1369 9580
Posta RI 14 694 10274
Barete AQ 15 737 11011
Pizzoli AQ 17 4326 15337
Crognaleto TE 19 1297 16634

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of L'Aquila (69753 inhabitants)
38 Km W of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
61 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
78 Km NE of Tivoli (56533 inhabitants)
80 Km W of Chieti (51815 inhabitants)
80 Km W of Pescara (121014 inhabitants)
91 Km SE of Perugia (166134 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
99 Km NE of Roma (2864731 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 1.3 2024-04-11
09:43:35
42.5852 13.2508 15 2024-04-11
09:52:41
Sala Sismica INGV-Roma 126643051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-11 09:43:35 ± 0.08
Latitude 42.5852 ± 0.0054
Longitude 13.2508 ± 0.0037
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126643051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 560
Semi-minor axis of confidence ellipse (meter) 28
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 359
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.07644
Epicentral distance of station farthest from the epicenter (degree) 0.30937
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 126643051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-11 09:52:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIGS.HHZ. 2024-04-11T09:43:46.41 0.3 undecidable manual S 119 30.1476 102 -0.1 72
IV.TERO.HHZ. 2024-04-11T09:43:46.05 0.3 undecidable manual S 82 29.1486 102 -0.2 72
IV.NRCA.HHZ. 2024-04-11T09:43:46.28 0.3 undecidable manual S 338 29.748 102 -0.12 73
IV.GAVE.HNZ. 2024-04-11T09:43:46.66 0.6 undecidable manual S 292 31.4463 101 -0.19 48
IV.MTRA.EHZ. 2024-04-11T09:43:44.17 0.3 undecidable manual S 32 22.4553 108 -0.35 71
IV.LNSS.HHZ. 2024-04-11T09:43:43.14 0.3 undecidable manual S 277 17.2716 117 -0.12 74
7F.SIB1.HNZ. 2024-04-11T09:43:43.12 0.3 undecidable manual P 3 34.3434 99 0.45 67
IV.GAVE.HNZ. 2024-04-11T09:43:42.18 0.3 undecidable manual P 292 31.4463 101 -0.05 73
IV.GIGS.HHZ. 2024-04-11T09:43:42.08 0.1 undecidable manual P 119 30.1476 102 0.05 99
IV.RM33.EHZ. 2024-04-11T09:43:41.31 0.3 undecidable manual S 199 8.9799 141 -0.21 74
IV.NRCA.HHZ. 2024-04-11T09:43:41.94 0.1 undecidable manual P 338 29.748 102 -0.03 99
IV.SMA1.EHZ. 2024-04-11T09:43:41.55 0.6 undecidable manual S 54 8.4804 143 0.1 50
IV.TERO.HHZ. 2024-04-11T09:43:41.88 0.1 undecidable manual P 82 29.1486 102 0 99
IV.LNSS.HHZ. 2024-04-11T09:43:40.23 0.1 undecidable manual P 277 17.2716 117 0.08 100
IV.MTRA.EHZ. 2024-04-11T09:43:40.89 0.1 undecidable manual P 32 22.4553 108 0.01 100
IV.RM33.EHZ. 2024-04-11T09:43:39.32 0.1 undecidable manual P 199 8.9799 141 0.17 100
IV.SMA1.EHZ. 2024-04-11T09:43:39.46 0.3 undecidable manual P 54 8.4804 143 0.35 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:1.2 0.0001535 0.6 AML other m 2024-04-11T09:43:41.49
IV.RM33.EHN. ML:1.1 0.00013465 0.14 AML other m 2024-04-11T09:43:41.61
IV.LNSS.HHE. ML:1.5 0.0002415 0.16 AML other m 2024-04-11T09:43:43.36
IV.LNSS.HHN. ML:1.4 0.000184 0.88 AML other m 2024-04-11T09:43:43.39
IV.TERO.HHE. ML:1.1 0.000053400000000000004 1.16 AML other m 2024-04-11T09:43:46.26
IV.NRCA.HHE. ML:1.2 0.00006409999999999999 0.84 AML other m 2024-04-11T09:43:46.76
IV.NRCA.HHN. ML:1.0 0.00004825 0.12 AML other m 2024-04-11T09:43:46.46
IV.TERO.HHN. ML:1.1 0.000053700000000000004 1.16 AML other m 2024-04-11T09:43:46.30
IV.MOMA.HNN. ML:1.9 0.0001579 0.98 AML other m 2024-04-11T09:44:14.57
IV.MOMA.HNE. ML:1.9 0.00016835 1.34 AML other m 2024-04-11T09:44:14.80
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