Earthquake with magnitude of ML 1.0 on date 19-04-2023 and time 23:07:17 (Italy) in region 8 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.0 earthquake occured in region: 8 km SE Castelsantangelo sul Nera (MC), on

  • 19-04-2023 21:07:17 (UTC)
  • 19-04-2023 23:07:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8350, 13.2100 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
Arquata del Tronto AP 10 1178 1459
Montegallo AP 10 523 1982
Norcia PG 11 4957 6939
Montemonaco AP 12 604 7543
Ussita MC 14 444 7987
Visso MC 15 1107 9094
Preci PG 15 724 9818
Accumoli RI 16 667 10485
Montefortino FM 16 1178 11663
Acquasanta Terme AP 18 2916 14579
Bolognola MC 18 142 14721

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
55 Km NE of Terni (111501 inhabitants)
56 Km N of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
91 Km S of Ancona (100861 inhabitants)
92 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 1.0 2023-04-19
21:07:17
42.8347 13.2105 8 2023-04-19
21:16:47
Sala Sismica INGV-Roma 116531751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-19 21:07:17 ± 0.07
Latitude 42.8347 ± 0.0036
Longitude 13.2105 ± 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 116531751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 355
Semi-minor axis of confidence ellipse (meter) 296
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) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45416
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 25
Type of magnitude ML
Reference to an origin 116531751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-19 21:16:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2023-04-19T21:07:37.96 3.0 undecidable manual S -1.15 0
IV.TERO.HHZ. 2023-04-19T21:07:31.35 0.3 undecidable manual S 126 39.7269 50 -0.2 68
IV.RM33.EHZ. 2023-04-19T21:07:30.68 0.3 undecidable manual S 179 36.1416 50 0.09 70
IV.MF5.EHZ. 2023-04-19T21:07:28.11 0.1 undecidable manual S 50 26.4513 106 0.78 78
IV.EL6.EHZ. 2023-04-19T21:07:28.03 3.0 positive manual P 0.23 0
IV.LNSS.HHZ. 2023-04-19T21:07:28.73 0.1 undecidable manual S 208 29.2485 105 0.47 88
IV.GAVE.EHE. 2023-04-19T21:07:28.35 0.1 undecidable manual S 239 30.2475 105 -0.25 92
IV.CESI.HHZ. 2023-04-19T21:07:28.96 0.3 undecidable manual S 307 31.2465 104 0.03 72
IV.GUMA.HHZ. 2023-04-19T21:07:28.15 0.1 undecidable manual S 22 27.2505 106 0.55 86
IV.ASSB.HHZ. 2023-04-19T21:07:27.60 0.3 undecidable manual P 297 50.4162 50 0.23 67
IV.CSP1.EHZ. 2023-04-19T21:07:27.99 0.3 undecidable manual S 359 28.5492 105 -0.04 72
IV.FDMO.HHE. 2023-04-19T21:07:26.73 0.1 undecidable manual S 336 24.5532 108 0.03 97
IV.TERO.HHZ. 2023-04-19T21:07:25.22 0.1 undecidable manual P 126 39.7269 50 -0.51 85
IV.RM33.EHZ. 2023-04-19T21:07:25.15 0.1 undecidable manual P 179 36.1416 50 -0.02 95
IV.GAVE.EHE. 2023-04-19T21:07:24.05 0.1 undecidable manual P 239 30.2475 105 0.03 96
IV.CESI.HHZ. 2023-04-19T21:07:24.04 0.3 undecidable manual P 307 31.2465 104 -0.17 70
IV.GUMA.HHZ. 2023-04-19T21:07:23.63 0.1 undecidable manual P 22 27.2505 106 0.19 94
IV.CSP1.EHZ. 2023-04-19T21:07:23.41 0.1 undecidable manual P 359 28.5492 105 -0.29 91
IV.MF5.EHZ. 2023-04-19T21:07:23.63 1.0 negative manual P 50 26.4513 106 0.34 23
IV.LNSS.HHZ. 2023-04-19T21:07:23.92 0.1 undecidable manual P 208 29.2485 105 0.1 95
IV.MTRA.EHN. 2023-04-19T21:07:22.07 0.6 undecidable manual P 120 17.4714 114 0.48 45
IV.MMO1.EHZ. 2023-04-19T21:07:22.65 0.3 undecidable manual S 53 11.877 123 -0.05 74
IV.FDMO.HHE. 2023-04-19T21:07:22.73 0.1 undecidable manual P 336 24.5532 108 -0.2 94
IV.SMA1.EHZ. 2023-04-19T21:07:22.98 0.1 undecidable manual P 156 24.8529 107 0 98
IV.NRCA.HHZ. 2023-04-19T21:07:21.63 0.1 undecidable manual S 269 7.7811 135 0.03 100
7F.SIB2.EHZ. 2023-04-19T21:07:21.63 0.1 undecidable manual S 50 9.879 128 -0.49 90
7F.SIB1.EHN. 2023-04-19T21:07:21.42 0.1 undecidable manual S 36 8.1807 134 -0.28 95
IV.NRCA.HHZ. 2023-04-19T21:07:20.02 0.1 positive manual P 269 7.7811 135 0.04 100
IV.MMO1.EHZ. 2023-04-19T21:07:20.55 0.6 undecidable manual P 53 11.877 123 -0.07 49
7F.SIB2.EHZ. 2023-04-19T21:07:20.16 0.1 undecidable manual P 50 9.879 128 -0.13 98
7F.SIB1.EHN. 2023-04-19T21:07:19.98 0.1 undecidable manual P 36 8.1807 134 -0.06 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:1.9 0.001425 0.16 AML other m 2023-04-19T21:07:21.88
IV.NRCA.HHE. ML:1.9 0.00147 0.16 AML other m 2023-04-19T21:07:21.88
IV.NRCA.HNN. ML:1.7 0.0009405 0.14 AML other m 2023-04-19T21:07:21.90
IV.NRCA.HHN. ML:1.8 0.0010575 0.14 AML other m 2023-04-19T21:07:21.90
IV.MMO1.EHE. ML:1.2 0.0001795 0.28 AML other m 2023-04-19T21:07:23.33
IV.MMO1.EHN. ML:1.1 0.00016898504999999999 0.1664 AML other m 2023-04-19T21:07:23.31
IV.CSP1.EHE. ML:1.1 0.00006660960500000001 0.2304 AML other m 2023-04-19T21:07:28.26
IV.GUMA.HHE. ML:1.6 0.0002305 0.28 AML other m 2023-04-19T21:07:28.38
IV.LNSS.HHE. ML:1.1 0.00006105 0.74 AML other m 2023-04-19T21:07:29.33
IV.CSP1.EHN. ML:1.1 0.00006780510749999998 0.256 AML other m 2023-04-19T21:07:29.42
IV.CESI.HHE. ML:0.9 0.000035217195 0.1536 AML other m 2023-04-19T21:07:29.32
IV.CESI.HHN. ML:1.3 0.0000984 0.2 AML other m 2023-04-19T21:07:29.53
IV.GUMA.HHN. ML:1.5 0.000161 0.46 AML other m 2023-04-19T21:07:29.81
IV.LNSS.HHN. ML:1.0 0.000045116345000000003 0.2432 AML other m 2023-04-19T21:07:29.44
IV.SMA1.EHE. ML:0.9 0.000046271475 0.3968 AML other m 2023-04-19T21:07:33.63
IV.RM33.EHE. ML:0.7 0.00002127711 0.2304 AML other m 2023-04-19T21:07:32.12
IV.SMA1.EHN. ML:0.8 0.00004223718 0.3712 AML other m 2023-04-19T21:07:32.78
IV.RM33.EHN. ML:0.6 0.000015542955 0.2048 AML other m 2023-04-19T21:07:34.18
IV.ASSB.HHN. ML:0.6 0.000012057676999999998 0.1792 AML other m 2023-04-19T21:07:34.86
IV.ASSB.HHE. ML:0.8 0.0000172 0.84 AML other m 2023-04-19T21:07:37.29
IV.MF5.EHE. ML:0.8 0.00003367619 0.5248 AML other m 2023-04-19T21:07:32.34
IV.MF5.EHN. ML:0.8 0.000035020619999999996 0.32 AML other m 2023-04-19T21:07:30.03
IV.GUMA.HNN. ML:1.6 0.00021365995 0.2688 AML other m 2023-04-19T21:07:28.38
IV.TERO.HHE. ML:0.8 0.000022116305000000004 0.1408 AML other m 2023-04-19T21:07:32.31
IV.TERO.HHN. ML:0.8 0.000021541965 0.1024 AML other m 2023-04-19T21:07:31.64
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download