Earthquake with magnitude of ML 1.4 on date 23-04-2024 and time 16:37:30 (UTC) in region 5 km NE Accumoli (RI)

A magnitude ML 1.4 earthquake occured in region: 5 km NE Accumoli (RI), on

  • 23-04-2024 16:37:30 (UTC)
  • 23-04-2024 18:37:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7280, 13.2930 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Arquata del Tronto AP 5 1178 1178
Accumoli RI 5 667 1845
Acquasanta Terme AP 11 2916 4761
Amatrice RI 11 2657 7418
Montegallo AP 13 523 7941
Cittareale RI 16 482 8423
Valle Castellana TE 17 977 9400
Norcia PG 18 4957 14357
Montemonaco AP 19 604 14961
Rocca Santa Maria TE 20 537 15498
Campotosto AQ 20 542 16040

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Teramo (54892 inhabitants)
43 Km N of L'Aquila (69753 inhabitants)
54 Km E of Foligno (57155 inhabitants)
56 Km E of Terni (111501 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
81 Km W of Pescara (121014 inhabitants)
83 Km NW of Chieti (51815 inhabitants)
85 Km SE of Perugia (166134 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km NE of Tivoli (56533 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 1.4 2024-04-23
16:37:30
42.7278 13.2932 13 2024-04-23
16:50:01
Sala Sismica INGV-Roma 127013591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-23 16:37:30
Latitude 42.7278
Longitude 13.2932
Depth (km) 13 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 127013591

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.08094
Epicentral distance of station farthest from the epicenter (degree) 0.45146
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 127013591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-23 16:50:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2024-04-23T16:37:42.73 0.3 undecidable manual S 334 38.1285 -0.57 0.99
IV.MF5.EHZ. 2024-04-23T16:37:41.94 0.3 undecidable manual S 25 31.8459 0.33 0.99
IV.TERO.HHZ. 2024-04-23T16:37:40.18 0.1 undecidable manual S 114 27.9498 -0.36 1.31
IV.RM33.EHZ. 2024-04-23T16:37:39.78 0.3 undecidable manual S 195 25.1526 0.02 0.99
IV.MML1.EHZ. 2024-04-23T16:37:39.47 0.3 undecidable manual P 329 50.1165 0 0.99
IV.LNSS.HHZ. 2024-04-23T16:37:39.76 0.6 undecidable manual S 237 24.8529 0.05 0.66
IV.CESI.HHZ. 2024-04-23T16:37:38.41 1.0 undecidable manual P 315 44.1225 -0.13 0.33
IV.CSP1.EHZ. 2024-04-23T16:37:37.87 0.3 undecidable manual P 350 41.0256 -0.19 0.99
IV.MF5.EHZ. 2024-04-23T16:37:37.02 0.1 undecidable manual P 25 31.8459 0.36 1.31
IV.GUMA.HHZ. 2024-04-23T16:37:37.72 0.1 undecidable manual P 5 37.3293 0.23 1.31
IV.FDMO.HHZ. 2024-04-23T16:37:37.35 0.1 undecidable manual P 334 38.1285 -0.26 1.31
IV.NRCA.HHZ. 2024-04-23T16:37:37.62 0.6 undecidable manual S 309 18.7701 -0.43 0.66
IV.GIGS.HHZ. 2024-04-23T16:37:37.68 0.1 undecidable manual P 142 38.1285 0.07 1.31
IV.SMA1.EHZ. 2024-04-23T16:37:36.04 0.3 undecidable manual S 162 11.3775 -0.18 0.99
IV.GAVE.EHZ. 2024-04-23T16:37:36.81 0.3 undecidable manual P 264 32.8449 0 0.99
IV.MTRA.EHZ. 2024-04-23T16:37:35.57 0.6 undecidable manual S 69 8.9799 -0.17 0.66
IV.LNSS.HHZ. 2024-04-23T16:37:35.74 0.1 undecidable manual P 237 24.8529 0.15 1.31
IV.RM33.EHZ. 2024-04-23T16:37:35.80 0.3 undecidable manual P 195 25.1526 0.18 0.99
IV.TERO.HHZ. 2024-04-23T16:37:35.83 0.1 undecidable manual P 114 27.9498 -0.23 1.31
IV.NRCA.HHZ. 2024-04-23T16:37:34.59 1.0 undecidable manual P 309 18.7701 -0.07 0.33
IV.MTRA.EHZ. 2024-04-23T16:37:33.54 0.1 undecidable manual P 69 8.9799 0.18 1.31
IV.SMA1.EHZ. 2024-04-23T16:37:33.98 0.3 undecidable manual P 162 11.3775 0.35 0.99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.5 0.00031800000000000003 0.32 AML other m 2024-04-23T16:37:36.15
IV.MTRA.EHE. ML:1.7 0.000526 0.42 AML other m 2024-04-23T16:37:35.71
IV.SMA1.EHN. ML:1.4 0.00022250000000000001 0.34 AML other m 2024-04-23T16:37:36.52
IV.SMA1.EHE. ML:1.3 0.000194 0.18 AML other m 2024-04-23T16:37:36.52
IV.NRCA.HNN. ML:1.9 0.0005520000000000001 0.16 AML other m 2024-04-23T16:37:37.81
IV.NRCA.HNE. ML:1.9 0.0006085 0.18 AML other m 2024-04-23T16:37:37.67
IV.NRCA.HHN. ML:1.9 0.0005915 0.18 AML other m 2024-04-23T16:37:37.81
IV.NRCA.HHE. ML:2.0 0.0006535 0.18 AML other m 2024-04-23T16:37:37.67
IV.LNSS.HHN. ML:1.3 0.00009885 1.36 AML other m 2024-04-23T16:37:40.70
IV.LNSS.HHE. ML:1.2 0.00008845 1.56 AML other m 2024-04-23T16:37:40.09
IV.TERO.HHN. ML:1.1 0.00006845 1.24 AML other m 2024-04-23T16:37:40.25
IV.TERO.HHE. ML:1.4 0.0001125 0.98 AML other m 2024-04-23T16:37:40.82
IV.FDMO.HHN. ML:1.0 0.0000353 0.4 AML other m 2024-04-23T16:37:43.08
IV.FDMO.HHE. ML:1.0 0.000034099999999999995 1.46 AML other m 2024-04-23T16:37:44.73
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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