Earthquake with magnitude of ML 0.9 on date 23-05-2024 and time 22:50:19 (Italy) in region 4 km N Capitignano (AQ)

A magnitude ML 0.9 earthquake occured in region: 4 km N Capitignano (AQ), on

  • 23-05-2024 20:50:19 (UTC)
  • 23-05-2024 22:50:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5550, 13.2990 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
Capitignano AQ 4 665 665
Montereale AQ 5 2581 3246
Campotosto AQ 6 542 3788
Amatrice RI 8 2657 6445
Barete AQ 12 737 7182
Cagnano Amiterno AQ 12 1369 8551
Pizzoli AQ 13 4326 12877
Cittareale RI 13 482 13359
Borbona RI 14 617 13976
Crognaleto TE 15 1297 15273
Accumoli RI 16 667 15940
Posta RI 17 694 16634
Cortino TE 19 656 17290
Fano Adriano TE 20 296 17586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of L'Aquila (69753 inhabitants)
35 Km W of Teramo (54892 inhabitants)
53 Km E of Terni (111501 inhabitants)
66 Km SE of Foligno (57155 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
75 Km W of Chieti (51815 inhabitants)
76 Km W of Pescara (121014 inhabitants)
77 Km NE of Tivoli (56533 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SE of Perugia (166134 inhabitants)
99 Km E of Viterbo (67173 inhabitants)
100 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 0.9 2024-05-23
20:50:19
42.5547 13.2987 13 2024-05-23
21:02:46
Sala Sismica INGV-Roma 128094271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-05-23 20:50:19 ± 0.16
Latitude 42.5547 ± 0.0081
Longitude 13.2987 ± 0.0195
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 128094271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1673
Semi-minor axis of confidence ellipse (meter) 369
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 292
Circular confidence region, given by single value of horizontal uncertainty (meter) 1670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31027
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 128094271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-05-23 21:02:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2024-05-23T20:50:37.19 3.0 positive manual P 0.37 0
IV.NRCA.HHZ. 2024-05-23T20:50:30.96 0.6 undecidable manual S 334 34.4433 96 -0.13 64
IV.NRCA.HHZ. 2024-05-23T20:50:26.19 0.3 negative manual P 334 34.4433 96 0.03 98
IV.SMA1.EHZ. 2024-05-23T20:50:24.73 0.6 undecidable manual S 20 8.88 137 -0.02 67
IV.TERO.HHZ. 2024-05-23T20:50:24.69 1.0 undecidable manual P 73 26.0517 99 -0.2 31
IV.RM33.EHZ. 2024-05-23T20:50:24.58 0.6 undecidable manual S 234 8.5803 138 -0.1 67
IV.RM33.EHZ. 2024-05-23T20:50:22.63 1.0 undecidable manual P 234 8.5803 138 0.17 33
IV.SMA1.EHZ. 2024-05-23T20:50:22.65 0.3 positive manual P 20 8.88 137 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:0.7 0.00004865 0.52 AML other m 2024-05-23T20:50:25.26
IV.SMA1.EHE. ML:0.6 0.000038900000000000004 0.18 AML other m 2024-05-23T20:50:25.09
IV.NRCA.HHN. ML:1.1 0.000056999999999999996 0.12 AML other m 2024-05-23T20:50:31.25
IV.NRCA.HHE. ML:1.2 0.00005755 0.68 AML other m 2024-05-23T20:50:31.35
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