Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 03-02-2024 and time 10:37:36 (UTC) in region 4 km E Amatrice (RI)

A magnitude ML 1.0 earthquake occured in region: 4 km E Amatrice (RI), on

  • 03-02-2024 10:37:36 (UTC)
  • 03-02-2024 11:37:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6200, 13.3380 at 14 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 4 2657 2657
Campotosto AQ 7 542 3199
Accumoli RI 11 667 3866
Capitignano AQ 11 665 4531
Montereale AQ 13 2581 7112
Cortino TE 14 656 7768
Crognaleto TE 14 1297 9065
Cittareale RI 15 482 9547
Rocca Santa Maria TE 17 537 10084
Arquata del Tronto AP 17 1178 11262
Acquasanta Terme AP 18 2916 14178
Fano Adriano TE 18 296 14474
Valle Castellana TE 18 977 15451
Barete AQ 19 737 16188

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of L'Aquila (69753 inhabitants)
30 Km W of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
74 Km W of Pescara (121014 inhabitants)
74 Km W of Chieti (51815 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
95 Km SE of Perugia (166134 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 1.0 2024-02-03
10:37:36		 42.6203 13.3385 15 2024-02-03
10:49:34		 Sala Sismica INGV-Roma 125007851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-03 10:37:36 ± 0.17
Latitude 42.6203 ± 0.0063
Longitude 13.3385 ± 0.0098
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 125007851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 804
Semi-minor axis of confidence ellipse (meter) 202
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26890
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 125007851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-03 10:49:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2024-02-03T10:37:49.55 3.0 undecidable manual P -0.3 0
IV.GIGS.HHZ. 2024-02-03T10:37:46.15 0.6 undecidable manual S 134 26.6511 103 -0.15 48
IV.NRCA.HHZ. 2024-02-03T10:37:46.81 0.6 undecidable manual S 322 29.8479 101 -0.33 47
IV.LNSS.HHZ. 2024-02-03T10:37:45.54 0.6 undecidable manual S 266 24.4533 106 -0.18 48
IV.RM33.EHZ. 2024-02-03T10:37:43.36 0.6 undecidable manual S 219 15.9729 119 -0.27 48
IV.GIGS.HHZ. 2024-02-03T10:37:42.23 1.0 undecidable manual P 134 26.6511 103 0.03 25
IV.CAMP.HHN. 2024-02-03T10:37:42.49 0.6 undecidable manual S 148 10.9779 134 -0.07 50
IV.NRCA.HHZ. 2024-02-03T10:37:42.69 0.1 negative manual P 322 29.8479 101 0 99
IV.LNSS.HHZ. 2024-02-03T10:37:42.70 0.6 positive manual P 266 24.4533 106 0.83 40
IV.SMA1.EHZ. 2024-02-03T10:37:41.35 0.6 undecidable manual S 347 1.1988 174 -0.02 52
IV.RM33.EHZ. 2024-02-03T10:37:40.64 0.3 positive manual P 219 15.9729 119 -0.02 75
IV.CAMP.HHN. 2024-02-03T10:37:40.17 0.1 undecidable manual P 148 10.9779 134 0.13 100
IV.SMA1.EHZ. 2024-02-03T10:37:39.52 1.0 undecidable manual P 347 1.1988 174 0.16 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.0 0.00011599999999999999 0.22 AML other m 2024-02-03T10:37:41.39
IV.SMA1.EHE. ML:0.9 0.00009705 0.88 AML other m 2024-02-03T10:37:42.08
IV.RM33.EHN. ML:0.9 0.00006585 0.34 AML other m 2024-02-03T10:37:43.56
IV.RM33.EHE. ML:1.0 0.0000817 0.16 AML other m 2024-02-03T10:37:43.60
IV.NRCA.HHN. ML:1.0 0.00004149999999999999 0.48 AML other m 2024-02-03T10:37:47.34
IV.NRCA.HHE. ML:1.1 0.0000547 0.44 AML other m 2024-02-03T10:37:47.16
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