Earthquake with magnitude of ML 0.7 on date 19-04-2023 and time 22:54:15 (UTC) in region 8 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 0.7 earthquake occured in region: 8 km SE Castelsantangelo sul Nera (MC), on

  • 19-04-2023 22:54:15 (UTC)
  • 20-04-2023 00:54:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8380, 13.2190 at 8 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
Castelsantangelo sul Nera MC 8 281 281
Montegallo AP 9 523 804
Arquata del Tronto AP 10 1178 1982
Montemonaco AP 11 604 2586
Norcia PG 11 4957 7543
Ussita MC 14 444 7987
Visso MC 15 1107 9094
Preci PG 15 724 9818
Montefortino FM 15 1178 10996
Accumoli RI 16 667 11663
Acquasanta Terme AP 17 2916 14579
Bolognola MC 17 142 14721
Amandola FM 19 3629 18350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
44 Km W of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
56 Km N of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
90 Km S of Ancona (100861 inhabitants)
91 Km W of Pescara (121014 inhabitants)
95 Km NW of Chieti (51815 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 0.7 2023-04-19
22:54:15
42.8385 13.2192 8 2023-04-19
23:01:52
Sala Sismica INGV-Roma 116532731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-19 22:54:15 ± 0.09
Latitude 42.8385 ± 0.0027
Longitude 13.2192 ± 0.0049
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116532731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 356
Semi-minor axis of confidence ellipse (meter) 169
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 238
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) 108
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.06745
Epicentral distance of station farthest from the epicenter (degree) 0.32915
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 116532731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-19 23:01:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2023-04-19T22:54:28.70 0.1 undecidable manual S 327 36.5412 50 -0.1 95
IV.CESI.HHZ. 2023-04-19T22:54:27.27 0.1 undecidable manual S 306 31.5462 104 0.07 96
IV.GUMA.HHZ. 2023-04-19T22:54:26.04 0.1 undecidable manual S 21 26.5512 107 0.49 89
IV.CSP1.EHZ. 2023-04-19T22:54:25.97 0.1 undecidable manual S 358 28.1496 106 -0.09 96
IV.SMA1.EHZ. 2023-04-19T22:54:25.03 0.3 undecidable manual S 158 24.9528 108 0.03 73
IV.FDMO.HHZ. 2023-04-19T22:54:24.84 0.6 undecidable manual S 334 24.4533 108 0.01 49
IV.MML1.EHZ. 2023-04-19T22:54:23.04 1.0 positive manual P 327 36.5412 50 -0.31 23
IV.CESI.HHZ. 2023-04-19T22:54:22.19 1.0 undecidable manual P 306 31.5462 104 -0.24 23
IV.SMA1.EHZ. 2023-04-19T22:54:21.19 0.3 undecidable manual P 158 24.9528 108 0.03 74
IV.GUMA.HHZ. 2023-04-19T22:54:21.67 0.3 negative manual P 21 26.5512 107 0.19 71
IV.CSP1.EHZ. 2023-04-19T22:54:21.62 0.6 negative manual P 358 28.1496 106 -0.16 47
IV.MF5.EHZ. 2023-04-19T22:54:21.67 1.0 negative manual P 50 25.6521 107 0.38 23
IV.FDMO.HHZ. 2023-04-19T22:54:20.88 1.0 undecidable manual P 334 24.4533 108 -0.18 24
IV.NRCA.HHZ. 2023-04-19T22:54:20.05 0.1 undecidable manual S 266 8.5803 133 0.06 100
IV.MMO1.EHZ. 2023-04-19T22:54:20.87 0.3 undecidable manual S 52 11.0778 126 0.22 72
7F.SIB1.EHZ. 2023-04-19T22:54:19.29 0.1 undecidable manual S 34 7.4814 137 -0.43 93
IV.MMO1.EHZ. 2023-04-19T22:54:18.59 0.3 positive manual P 52 11.0778 126 -0.05 75
7F.SIB2.EHN. 2023-04-19T22:54:18.17 0.1 undecidable manual P 50 8.9799 132 -0.16 98
IV.NRCA.HHZ. 2023-04-19T22:54:18.42 0.1 negative manual P 266 8.5803 133 0.16 98
7F.SIB1.EHZ. 2023-04-19T22:54:17.96 0.1 undecidable manual P 34 7.4814 137 -0.15 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.2 0.00027402879999999995 0.1792 AML other m 2023-04-19T22:54:20.19
IV.NRCA.HHN. ML:1.3 0.00029848665000000005 0.1408 AML other m 2023-04-19T22:54:20.54
IV.NRCA.HNE. ML:1.2 0.0002459154 0.1664 AML other m 2023-04-19T22:54:20.19
IV.NRCA.HNN. ML:1.3 0.0003111976 0.128 AML other m 2023-04-19T22:54:20.54
IV.MMO1.EHE. ML:0.8 0.000076286365 0.0896 AML other m 2023-04-19T22:54:21.32
IV.MMO1.EHN. ML:0.7 0.000060909875 0.0768 AML other m 2023-04-19T22:54:21.30
IV.FDMO.HHE. ML:0.4 0.000014486955 0.1536 AML other m 2023-04-19T22:54:27.39
IV.FDMO.HHN. ML:0.4 0.000012842840000000001 0.1792 AML other m 2023-04-19T22:54:26.42
IV.SMA1.EHE. ML:0.4 0.000015486975 0.4352 AML other m 2023-04-19T22:54:29.79
IV.SMA1.EHN. ML:0.2 0.0000122633625 0.32 AML other m 2023-04-19T22:54:29.97
IV.GUMA.HHE. ML:1.3 0.00010494372499999999 0.3456 AML other m 2023-04-19T22:54:26.28
IV.GUMA.HHN. ML:1.0 0.000055517365 0.2432 AML other m 2023-04-19T22:54:27.23
IV.CESI.HHE. ML:0.3 0.0000098140105 0.2176 AML other m 2023-04-19T22:54:29.09
IV.CESI.HHN. ML:0.8 0.000029941220000000002 0.2432 AML other m 2023-04-19T22:54:28.65
IV.MML1.EHE. ML:0.1 0.0000061345485 0.192 AML other m 2023-04-19T22:54:30.39
IV.MML1.EHN. ML:0.4 0.000008369523999999999 0.1024 AML other m 2023-04-19T22:54:30.46
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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