Earthquake with magnitude of ML 1.0 on date 03-09-2023 and time 16:01:24 (UTC) in region 5 km E Amatrice (RI)

A magnitude ML 1.0 earthquake occured in region: 5 km E Amatrice (RI), on

  • 03-09-2023 16:01:24 (UTC)
  • 03-09-2023 18:01:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6140, 13.3510 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
Amatrice RI 5 2657 2657
Campotosto AQ 6 542 3199
Capitignano AQ 11 665 3864
Accumoli RI 12 667 4531
Crognaleto TE 13 1297 5828
Cortino TE 13 656 6484
Montereale AQ 13 2581 9065
Cittareale RI 16 482 9547
Rocca Santa Maria TE 17 537 10084
Fano Adriano TE 17 296 10380
Acquasanta Terme AP 18 2916 13296
Valle Castellana TE 18 977 14273
Arquata del Tronto AP 18 1178 15451
Barete AQ 19 737 16188
Pietracamela TE 19 271 16459
Cagnano Amiterno AQ 20 1369 17828

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km N of L'Aquila (69753 inhabitants)
29 Km W of Teramo (54892 inhabitants)
58 Km E of Terni (111501 inhabitants)
65 Km SE of Foligno (57155 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
73 Km W of Pescara (121014 inhabitants)
73 Km W of Chieti (51815 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
96 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 2023-09-03
16:01:24
42.614 13.351 11 2023-09-03
16:06:45
Sala Sismica INGV-Roma 120714921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-03 16:01:24 ± 0.07
Latitude 42.6140 ± 0.0045
Longitude 13.3510 ± 0.0049
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120714921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 500
Semi-minor axis of confidence ellipse (meter) 193
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 209
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48923
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 120714921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-03 16:06:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-09-03T16:01:42.31 1.0 undecidable manual S 347 54.3012 90 0.5 21
IV.FDMO.HHZ. 2023-09-03T16:01:41.50 3.0 undecidable manual S 0
IV.FDMO.HHZ. 2023-09-03T16:01:38.46 3.0 undecidable manual P 0
IV.MF5.EHZ. 2023-09-03T16:01:38.95 0.3 undecidable manual S 12 42.4242 90 0.32 68
IV.NRCA.HHZ. 2023-09-03T16:01:35.25 0.1 undecidable manual S 322 31.0467 90 -0.35 92
IV.LNSS.HHZ. 2023-09-03T16:01:34.11 0.1 undecidable manual S 267 25.3524 91 0.02 99
IV.CSP1.EHZ. 2023-09-03T16:01:34.46 0.3 undecidable manual P 347 54.3012 90 -0.18 68
IV.MF5.EHZ. 2023-09-03T16:01:33.26 1.0 negative manual P 12 42.4242 90 0.46 22
IV.GIGS.HHZ. 2023-09-03T16:01:33.82 0.1 undecidable manual S 134 25.4523 91 -0.28 94
IV.NRCA.HHZ. 2023-09-03T16:01:31.02 0.1 negative manual P 322 31.0467 90 -0.04 98
IV.RM33.EHZ. 2023-09-03T16:01:31.64 0.1 undecidable manual S 224 16.1727 93 0.03 100
IV.CAMP.HHZ. 2023-09-03T16:01:30.15 0.1 undecidable manual S 151 9.879 121 0.12 100
IV.GIGS.HHZ. 2023-09-03T16:01:30.17 0.6 undecidable manual P 134 25.4523 91 -0.02 50
IV.LNSS.HHZ. 2023-09-03T16:01:30.17 0.6 undecidable manual P 267 25.3524 91 -0.01 50
IV.TERO.HNZ. 2023-09-03T16:01:29.40 0.1 undecidable manual P 87 20.6682 91 -0.06 99
IV.SMA1.EHZ. 2023-09-03T16:01:28.52 0.1 undecidable manual S 325 2.1978 165 -0.29 97
IV.CAMP.HHZ. 2023-09-03T16:01:28.00 0.1 undecidable manual P 151 9.879 121 0.16 99
IV.RM33.EHZ. 2023-09-03T16:01:28.99 0.6 negative manual P 224 16.1727 93 0.23 48
IV.SMA1.EHZ. 2023-09-03T16:01:27.36 0.3 undecidable manual P 325 2.1978 165 0.22 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.1 0.00019600000000000002 0.2 AML other m 2023-09-03T16:01:29.25
IV.SMA1.EHN. ML:1.1 0.00020649999999999998 0.46 AML other m 2023-09-03T16:01:29.81
IV.CAMP.HHE. ML:0.9 0.00009640000000000001 0.34 AML other m 2023-09-03T16:01:30.39
IV.CAMP.HHN. ML:0.7 0.00006429999999999999 0.38 AML other m 2023-09-03T16:01:30.25
IV.RM33.EHN. ML:1.2 0.0001245 1.7 AML other m 2023-09-03T16:01:31.90
IV.RM33.EHE. ML:1.1 0.0001008 0.92 AML other m 2023-09-03T16:01:32.51
IV.LNSS.HHE. ML:0.9 0.00004435 1.26 AML other m 2023-09-03T16:01:34.84
IV.LNSS.HHN. ML:0.8 0.0000409 0.4 AML other m 2023-09-03T16:01:34.66
IV.NRCA.HHE. ML:1.3 0.00008879999999999999 0.66 AML other m 2023-09-03T16:01:35.87
IV.NRCA.HHN. ML:1.3 0.00009135 0.18 AML other m 2023-09-03T16:01:35.74
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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