Earthquake with magnitude of ML 1.2 on date 01-05-2023 and time 15:02:21 (Italy) in region 6 km W Accumoli (RI)

A magnitude ML 1.2 earthquake occured in region: 6 km W Accumoli (RI), on

  • 01-05-2023 13:02:21 (UTC)
  • 01-05-2023 15:02:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7040, 13.1740 at 10 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 6 667 667
Cittareale RI 10 482 1149
Norcia PG 12 4957 6106
Amatrice RI 13 2657 8763
Arquata del Tronto AP 13 1178 9941
Cascia PG 13 3217 13158
Monteleone di Spoleto PG 19 599 13757
Poggiodomo PG 20 117 13874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NW of L'Aquila (69753 inhabitants)
44 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
48 Km SE of Foligno (57155 inhabitants)
78 Km SE of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
86 Km NE of Guidonia Montecelio (88673 inhabitants)
88 Km NE of Tivoli (56533 inhabitants)
89 Km W of Pescara (121014 inhabitants)
90 Km W of Chieti (51815 inhabitants)
93 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 1.2 2023-05-01
13:02:21
42.7038 13.1743 10 2023-05-01
13:18:15
Sala Sismica INGV-Roma 116937481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-01 13:02:21 ± 0.07
Latitude 42.7038 ± 0.0027
Longitude 13.1743 ± 0.0061
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116937481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 405
Semi-minor axis of confidence ellipse (meter) 342
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 108
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
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) 0.35973
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 116937481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-01 13:18:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FOSV.EHZ. 2023-05-01T13:02:45.54 3.0 undecidable manual S 0.02 0
IV.CESI.HHZ. 2023-05-01T13:02:35.06 0.6 undecidable manual S 327 39.9267 50 0.03 48
7F.SIB2.EHZ. 2023-05-01T13:02:30.45 0.3 undecidable manual S 27 23.2545 113 0.02 75
IV.RM33.EHZ. 2023-05-01T13:02:29.76 0.3 undecidable manual S 171 21.867 114 -0.22 72
7F.SIB3.EHZ. 2023-05-01T13:02:29.43 0.3 undecidable manual S 22 20.5683 116 -0.12 74
IV.CESI.HHZ. 2023-05-01T13:02:29.36 0.1 undecidable manual P 327 39.9267 50 -0.02 97
IV.LNSS.HHZ. 2023-05-01T13:02:28.10 0.3 undecidable manual S 224 15.6732 122 0.03 76
IV.NRCA.HHZ. 2023-05-01T13:02:27.90 0.6 undecidable manual S 341 15.1737 123 -0.04 50
IV.RM33.EHZ. 2023-05-01T13:02:26.25 0.1 undecidable manual P 171 21.867 114 -0.21 96
7F.SIB3.EHZ. 2023-05-01T13:02:26.18 0.1 undecidable manual P 22 20.5683 116 -0.03 100
7F.SIB2.EHZ. 2023-05-01T13:02:26.61 0.1 undecidable manual P 27 23.2545 113 -0.11 98
IV.NRCA.HHZ. 2023-05-01T13:02:25.37 0.1 undecidable manual P 341 15.1737 123 0.09 100
IV.LNSS.HHZ. 2023-05-01T13:02:25.47 0.1 undecidable manual P 224 15.6732 122 0.11 99
IV.SMA1.EHZ. 2023-05-01T13:02:25.72 0.1 undecidable manual P 122 15.4734 123 0.4 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.1 0.0001255 1.84 AML other m 2023-05-01T13:02:27.97
IV.NRCA.HNE. ML:1.3 0.0001764029 0.1728 AML other m 2023-05-01T13:02:28.20
IV.LNSS.HHE. ML:1.2 0.00015749999999999998 0.66 AML other m 2023-05-01T13:02:28.19
IV.NRCA.HNN. ML:1.2 0.00016362585000000003 0.48 AML other m 2023-05-01T13:02:27.17
IV.NRCA.HHE. ML:1.3 0.00018841 0.16 AML other m 2023-05-01T13:02:28.21
IV.LNSS.HHN. ML:1.2 0.0001436922 0.1984 AML other m 2023-05-01T13:02:28.47
IV.LNSS.HNE. ML:1.2 0.000139106275 0.128 AML other m 2023-05-01T13:02:28.52
IV.LNSS.HNN. ML:1.4 0.0002037409 0.8704 AML other m 2023-05-01T13:02:34.67
IV.RM33.HNE. ML:1.2 0.00010060337000000001 0.5376 AML other m 2023-05-01T13:02:35.88
IV.RM33.HNN. ML:1.3 0.0001369852 0.5824 AML other m 2023-05-01T13:02:30.81
IV.RM33.EHE. ML:0.5 0.000022018544499999998 0.2368 AML other m 2023-05-01T13:02:30.77
IV.RM33.EHN. ML:0.5 0.00002218372 0.1408 AML other m 2023-05-01T13:02:29.93
IV.CESI.HNE. ML:1.5 0.00011890111 0.64 AML other m 2023-05-01T13:02:29.53
IV.CESI.HNN. ML:1.5 0.00010289213 0.8768 AML other m 2023-05-01T13:02:42.02
IV.CESI.HHE. ML:0.6 0.000013215134 0.4224 AML other m 2023-05-01T13:02:38.53
IV.CESI.HHN. ML:0.6 0.000014606180999999999 1.2608 AML other m 2023-05-01T13:02:28.37
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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