Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 24-05-2023 and time 12:39:24 (Italy) in region 4 km SE Accumoli (RI)

A magnitude ML 2.0 earthquake occured in region: 4 km SE Accumoli (RI), on

  • 24-05-2023 10:39:24 (UTC)
  • 24-05-2023 12:39:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6700, 13.2790 at 12 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
Accumoli RI 4 667 667
Amatrice RI 5 2657 3324
Cittareale RI 11 482 3806
Arquata del Tronto AP 12 1178 4984
Campotosto AQ 15 542 5526
Acquasanta Terme AP 15 2916 8442
Montereale AQ 16 2581 11023
Capitignano AQ 17 665 11688
Valle Castellana TE 19 977 12665
Cortino TE 20 656 13321
Montegallo AP 20 523 13844

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Teramo (54892 inhabitants)
37 Km N of L'Aquila (69753 inhabitants)
53 Km E of Terni (111501 inhabitants)
57 Km SE of Foligno (57155 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
80 Km W of Pescara (121014 inhabitants)
81 Km W of Chieti (51815 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
88 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 2.0 2023-05-24
10:39:24		 42.6703 13.2788 12 2023-05-24
10:49:29		 Sala Sismica INGV-Roma 117672501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-24 10:39:24 ± 0.06
Latitude 42.6703 ± 0.0027
Longitude 13.2788 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117672501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 359
Semi-minor axis of confidence ellipse (meter) 96
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 269
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 32
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) 0.80399
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 24
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 117672501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-24 10:49:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.HHZ. 2023-05-24T10:40:17.94 3.0 undecidable manual Sg 3.92 0
IV.OSSC.HHZ. 2023-05-24T10:39:59.04 3.0 undecidable manual Pg 6.22 0
IV.MOMA.HHZ. 2023-05-24T10:39:43.60 0.6 undecidable manual S 285 59.5959 91 0.91 36
IV.INTR.HHZ. 2023-05-24T10:39:39.66 0.6 undecidable manual P 145 89.244 91 0.16 43
IV.MOMA.HHZ. 2023-05-24T10:39:35.25 0.1 undecidable manual P 285 59.5959 91 0.32 87
IV.T0110.HHZ. 2023-05-24T10:39:35.64 0.6 undecidable manual P 140 63.6918 91 0.09 46
IV.FAGN.HHZ. 2023-05-24T10:39:34.21 1.0 negative manual P 151 51.3153 92 0.56 21
IV.VCEL.EHZ. 2023-05-24T10:39:34.71 0.3 undecidable manual P 123 55.2003 91 0.47 64
IV.MML1.EHZ. 2023-05-24T10:39:34.19 0.3 undecidable manual P 333 55.1004 91 -0.05 70
IV.CESI.HHZ. 2023-05-24T10:39:33.13 0.1 positive manual P 321 48.0186 92 -0.01 95
IV.TERO.HHZ. 2023-05-24T10:39:33.88 0.3 undecidable manual S 101 27.0507 94 -0.13 73
IV.FDMO.HHZ. 2023-05-24T10:39:32.35 0.3 positive manual P 339 43.5231 92 -0.09 71
IV.FIAM.HHZ. 2023-05-24T10:39:32.81 0.3 positive manual P 197 46.5201 92 -0.1 70
IV.LNSS.HHZ. 2023-05-24T10:39:32.13 0.3 undecidable manual S 249 20.868 97 -0.23 71
IV.ARRO.EHZ. 2023-05-24T10:39:32.18 0.3 undecidable manual P 257 43.1235 92 -0.2 69
IV.NRCA.HNZ. 2023-05-24T10:39:32.48 0.1 undecidable manual S 324 22.5552 96 -0.32 94
IV.CSP1.EHZ. 2023-05-24T10:39:32.62 0.6 positive manual P 353 47.1195 92 -0.39 44
IV.GUMA.HHZ. 2023-05-24T10:39:32.91 0.1 positive manual P 6 43.7229 92 0.42 88
IV.CAMP.HHZ. 2023-05-24T10:39:31.47 0.1 undecidable manual S 144 18.3705 100 -0.22 96
IV.RM33.HNZ. 2023-05-24T10:39:31.68 0.1 undecidable manual S 196 18.6702 100 -0.1 98
IV.GAVE.EHZ. 2023-05-24T10:39:30.43 0.1 undecidable manual P 275 31.4463 93 -0.16 95
IV.MTRA.EHZ. 2023-05-24T10:39:30.28 0.1 undecidable manual S 45 13.5753 113 -0.19 98
IV.GIGS.HHZ. 2023-05-24T10:39:30.86 0.1 undecidable manual P 135 34.0437 93 -0.13 96
IV.NRCA.HNZ. 2023-05-24T10:39:29.14 0.1 undecidable manual P 324 22.5552 96 -0.08 99
IV.TERO.HHZ. 2023-05-24T10:39:29.88 0.1 undecidable manual P 101 27.0507 94 -0.03 99
7F.SIB2.EHZ. 2023-05-24T10:39:29.42 0.1 undecidable manual P 5 24.5532 95 -0.11 98
IV.MMO1.EHZ. 2023-05-24T10:39:29.76 0.1 undecidable manual P 9 25.752 95 0.05 98
7F.SIB3.EHZ. 2023-05-24T10:39:29.20 0.1 undecidable manual P 358 22.755 96 -0.05 99
IV.MTRA.EHZ. 2023-05-24T10:39:28.03 0.1 negative manual P 45 13.5753 113 0.16 98
IV.RM33.HNZ. 2023-05-24T10:39:28.68 0.1 undecidable manual P 196 18.6702 100 0.05 100
IV.SMA1.EHZ. 2023-05-24T10:39:28.79 0.3 undecidable manual S 134 6.3936 144 -0.18 73
IV.CAMP.HHZ. 2023-05-24T10:39:28.70 0.1 positive manual P 144 18.3705 100 0.12 98
IV.LNSS.HHZ. 2023-05-24T10:39:28.96 0.1 negative manual P 249 20.868 97 0 100
IV.SMA1.EHZ. 2023-05-24T10:39:27.28 0.1 positive manual P 134 6.3936 144 0.28 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:2.4 0.0035099999999999997 0.34 AML other m 2023-05-24T10:39:29.33
IV.SMA1.EHN. ML:2.3 0.00264 0.26 AML other m 2023-05-24T10:39:29.56
IV.MTRA.HNN. ML:2.2 0.00172 0.14 AML other m 2023-05-24T10:39:30.47
IV.MTRA.EHN. ML:2.2 0.001745 0.14 AML other m 2023-05-24T10:39:30.48
IV.MTRA.HNE. ML:2.4 0.002675 0.22 AML other m 2023-05-24T10:39:30.75
IV.MTRA.EHE. ML:2.5 0.002715 0.24 AML other m 2023-05-24T10:39:30.76
IV.CAMP.HHE. ML:2.0 0.000776 0.24 AML other m 2023-05-24T10:39:31.78
IV.RM33.EHN. ML:1.9 0.000687 0.12 AML other m 2023-05-24T10:39:32.13
IV.RM33.EHE. ML:1.9 0.000597 0.7 AML other m 2023-05-24T10:39:32.44
IV.LNSS.HHN. ML:2.3 0.001285 0.52 AML other m 2023-05-24T10:39:32.54
IV.RM33.HNN. ML:2.0 0.0007210000000000001 0.4 AML other m 2023-05-24T10:39:32.13
IV.CAMP.HHN. ML:1.6 0.000329 0.78 AML other m 2023-05-24T10:39:32.42
IV.LNSS.HHE. ML:2.2 0.00123 0.1 AML other m 2023-05-24T10:39:32.60
IV.NRCA.HNN. ML:2.4 0.0014550000000000001 0.82 AML other m 2023-05-24T10:39:32.67
IV.NRCA.HHN. ML:2.4 0.0015 0.64 AML other m 2023-05-24T10:39:32.67
IV.NRCA.HNE. ML:2.5 0.001925 0.58 AML other m 2023-05-24T10:39:32.62
IV.NRCA.HHE. ML:2.5 0.002065 0.16 AML other m 2023-05-24T10:39:32.91
IV.RM33.HNE. ML:1.9 0.0005775 0.66 AML other m 2023-05-24T10:39:33.43
IV.MMO1.EHN. ML:1.9 0.0004215 1.72 AML other m 2023-05-24T10:39:34.01
IV.GIGS.HHE. ML:1.5 0.000131 0.26 AML other m 2023-05-24T10:39:35.83
IV.GIGS.HHN. ML:1.5 0.00013025 0.2 AML other m 2023-05-24T10:39:35.86
IV.GAVE.EHN. ML:1.8 0.00027649999999999994 1.04 AML other m 2023-05-24T10:39:35.91
IV.MMO1.EHE. ML:1.7 0.00030700000000000004 1.56 AML other m 2023-05-24T10:39:36.18
IV.GAVE.EHE. ML:2.0 0.0004665 0.22 AML other m 2023-05-24T10:39:36.24
IV.ARRO.EHN. ML:1.5 0.000104 0.62 AML other m 2023-05-24T10:39:38.65
IV.FDMO.HHE. ML:1.7 0.00016700000000000002 0.96 AML other m 2023-05-24T10:39:39.88
IV.FDMO.HHN. ML:1.7 0.000148 1.8 AML other m 2023-05-24T10:39:39.00
IV.CESI.HHE. ML:1.8 0.000157 0.58 AML other m 2023-05-24T10:39:40.02
IV.ARRO.EHE. ML:1.6 0.0001147 0.9 AML other m 2023-05-24T10:39:40.96
IV.CSP1.EHE. ML:2.0 0.00027150000000000004 0.26 AML other m 2023-05-24T10:39:41.24
IV.GUMA.HHN. ML:2.0 0.000296 0.58 AML other m 2023-05-24T10:39:41.44
IV.GUMA.HNN. ML:2.1 0.00034950000000000004 0.52 AML other m 2023-05-24T10:39:42.21
IV.MML1.EHN. ML:1.8 0.000136 0.16 AML other m 2023-05-24T10:39:42.25
IV.GUMA.HHE. ML:1.9 0.00026000000000000003 0.62 AML other m 2023-05-24T10:39:42.66
IV.CESI.HHN. ML:2.0 0.00026649999999999997 1.06 AML other m 2023-05-24T10:39:42.44
IV.MML1.EHE. ML:1.7 0.000106 0.16 AML other m 2023-05-24T10:39:42.55
IV.CSP1.EHN. ML:2.1 0.0003255 1.72 AML other m 2023-05-24T10:39:42.97
IV.FAGN.HHE. ML:2.1 0.0002875 1.6 AML other m 2023-05-24T10:39:43.10
IV.FIAM.HHE. ML:1.4 0.00006520000000000001 0.38 AML other m 2023-05-24T10:39:43.11
IV.GUMA.HNE. ML:1.9 0.0002675 0.46 AML other m 2023-05-24T10:39:43.76
IV.VCEL.EHE. ML:2.3 0.0004215 1.34 AML other m 2023-05-24T10:39:44.82
IV.MOMA.HHN. ML:1.3 0.00004065 0.2 AML other m 2023-05-24T10:39:44.19
IV.MOMA.HHE. ML:1.8 0.0001175 0.18 AML other m 2023-05-24T10:39:44.37
IV.FIAM.HHN. ML:1.5 0.0000967 0.94 AML other m 2023-05-24T10:39:44.29
IV.VCEL.EHN. ML:2.2 0.0003235 0.78 AML other m 2023-05-24T10:39:45.79
IV.T0110.HHE. ML:2.1 0.000242 0.46 AML other m 2023-05-24T10:39:45.97
IV.T0110.HHN. ML:2.1 0.00022950000000000002 0.5 AML other m 2023-05-24T10:39:49.27
IV.FAGN.HHN. ML:1.9 0.0001985 0.4 AML other m 2023-05-24T10:39:49.63
IV.INTR.HHE. ML:1.6 0.0000505 0.84 AML other m 2023-05-24T10:39:54.50
IV.INTR.HHN. ML:1.8 0.00007795000000000001 0.46 AML other m 2023-05-24T10:39:58.46
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
Waveforms Seismic signals in miniseed + resp format Download