Earthquake with magnitude of ML 0.6 on date 05-04-2023 and time 21:56:26 (Italy) in region 5 km SW Accumoli (RI)

A magnitude ML 0.6 earthquake occured in region: 5 km SW Accumoli (RI), on

  • 05-04-2023 19:56:26 (UTC)
  • 05-04-2023 21:56:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6670, 13.2080 at 16 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
Accumoli RI 5 667 667
Cittareale RI 7 482 1149
Amatrice RI 8 2657 3806
Arquata del Tronto AP 14 1178 4984
Montereale AQ 16 2581 7565
Cascia PG 17 3217 10782
Norcia PG 17 4957 15739
Capitignano AQ 18 665 16404
Campotosto AQ 18 542 16946
Borbona RI 18 617 17563
Posta RI 18 694 18257

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of L'Aquila (69753 inhabitants)
41 Km W of Teramo (54892 inhabitants)
47 Km E of Terni (111501 inhabitants)
52 Km SE of Foligno (57155 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
85 Km W of Pescara (121014 inhabitants)
86 Km W of Chieti (51815 inhabitants)
94 Km E of Viterbo (67173 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 0.6 2023-04-05
19:56:26
42.6668 13.2077 16 2023-04-05
20:03:44
Sala Sismica INGV-Roma 116096391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-05 19:56:26 ± 0.12
Latitude 42.6668 ± 0.0045
Longitude 13.2077 ± 0.0049
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116096391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 529
Semi-minor axis of confidence ellipse (meter) 103
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 336
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29498
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 116096391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-05 20:03:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPG.HHZ. 2023-04-05T19:58:09.42 3.0 undecidable manual Sn -9.07 0
MN.TRI.HHZ. 2023-04-05T19:57:43.31 3.0 undecidable manual Sn -0.31 0
IV.ZCCA.HHZ. 2023-04-05T19:57:29.50 3.0 undecidable manual Sg 13.69 0
IV.MOCO.HHZ. 2023-04-05T19:57:26.00 3.0 undecidable manual Sg 1.13 0
IV.AGLI.HHZ. 2023-04-05T19:57:08.70 3.0 undecidable manual Pg 4.52 0
IV.CELB.HHZ. 2023-04-05T19:56:47.11 3.0 undecidable manual Pn -0.1 0
IV.TERO.HHZ. 2023-04-05T19:56:37.23 0.6 undecidable manual S 98 32.745 103 -0.61 43
7F.SIB1.EHE. 2023-04-05T19:56:36.12 0.6 undecidable manual S 11 25.752 108 0.06 49
IV.MMO1.EHZ. 2023-04-05T19:56:36.66 0.6 undecidable manual S 21 27.5502 106 0.15 48
IV.GAVE.HNZ. 2023-04-05T19:56:36.07 0.6 undecidable manual S 276 25.752 108 0.03 49
7F.SIB3.EHE. 2023-04-05T19:56:35.17 0.6 undecidable manual S 12 23.6541 110 -0.34 46
IV.RM33.EHZ. 2023-04-05T19:56:34.13 0.6 undecidable manual S 178 17.4714 120 0.1 49
IV.NRCA.HHZ. 2023-04-05T19:56:34.26 0.6 undecidable manual S 338 19.9689 116 -0.36 46
IV.MURB.HNZ. 2023-04-05T19:56:34.05 3.0 undecidable manual P 1.55 0
IV.TERO.HHZ. 2023-04-05T19:56:33.12 1.0 undecidable manual P 98 32.745 103 0.06 24
IV.LNSS.HNE. 2023-04-05T19:56:33.51 0.6 undecidable manual S 243 15.3735 125 -0.05 50
IV.SMA1.EHZ. 2023-04-05T19:56:32.90 0.6 undecidable manual S 111 11.1777 137 0.2 49
IV.MMO1.EHZ. 2023-04-05T19:56:32.54 1.0 undecidable manual P 21 27.5502 106 0.25 23
7F.SIB1.EHE. 2023-04-05T19:56:32.21 0.1 undecidable manual P 11 25.752 108 0.19 95
IV.GAVE.HNZ. 2023-04-05T19:56:31.94 0.1 undecidable manual P 276 25.752 108 -0.08 98
IV.RM33.EHZ. 2023-04-05T19:56:31.03 1.0 positive manual P 178 17.4714 120 0.17 24
7F.SIB3.EHE. 2023-04-05T19:56:31.79 0.1 undecidable manual P 12 23.6541 110 0.08 98
IV.NRCA.HHZ. 2023-04-05T19:56:31.21 0.1 negative manual P 338 19.9689 116 0.02 100
IV.LNSS.HNE. 2023-04-05T19:56:30.52 0.1 undecidable manual P 243 15.3735 125 -0.06 100
IV.SMA1.EHZ. 2023-04-05T19:56:30.37 1.0 negative manual P 111 11.1777 137 0.28 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:0.5 0.00003060729 0.1408 AML other m 2023-04-05T19:56:33.29
IV.SMA1.EHN. ML:0.4 0.00002465636 1.0112 AML other m 2023-04-05T19:56:33.15
IV.RM33.EHE. ML:0.6 0.00002572431 0.1536 AML other m 2023-04-05T19:56:34.49
IV.RM33.EHN. ML:0.6 0.00002844159 0.2432 AML other m 2023-04-05T19:56:34.30
IV.NRCA.HHE. ML:0.7 0.000034302044999999994 0.0768 AML other m 2023-04-05T19:56:34.52
IV.NRCA.HHN. ML:0.6 0.000025982190000000003 0.1536 AML other m 2023-04-05T19:56:34.44
IV.TERO.HHN. ML:0.4 0.0000106404475 0.8192 AML other m 2023-04-05T19:56:35.14
IV.TERO.HNE. ML:1.4 0.00008786465 0.5632 AML other m 2023-04-05T19:56:40.93
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