Earthquake with magnitude of ML 0.4 on date 02-05-2023 and time 08:38:18 (Italy) in region 1 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 0.4 earthquake occured in region: 1 km SE Castelsantangelo sul Nera (MC), on

  • 02-05-2023 06:38:18 (UTC)
  • 02-05-2023 08:38:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8890, 13.1670 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
Castelsantangelo sul Nera MC 1 281 281
Ussita MC 7 444 725
Visso MC 8 1107 1832
Preci PG 11 724 2556
Norcia PG 12 4957 7513
Bolognola MC 13 142 7655
Montemonaco AP 13 604 8259
Montegallo AP 15 523 8782
Montefortino FM 16 1178 9960
Acquacanina MC 16 121 10081
Fiastra MC 17 559 10640
Arquata del Tronto AP 17 1178 11818
Fiordimonte MC 18 202 12020
Monte Cavallo MC 18 145 12165
Amandola FM 19 3629 15794
Sellano PG 20 1079 16873
Sarnano MC 20 3264 20137
Pieve Torina MC 20 1458 21595

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
51 Km NW of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
98 Km W of Pescara (121014 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 0.4 2023-05-02
06:38:18
42.8888 13.1673 10 2023-05-02
07:12:27
Sala Sismica INGV-Roma 116953481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-02 06:38:18 ± 0.14
Latitude 42.8888 ± 0.0054
Longitude 13.1673 ± 0.0086
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 116953481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 582
Semi-minor axis of confidence ellipse (meter) 441
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 313
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.06745
Epicentral distance of station farthest from the epicenter (degree) 0.30037
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 116953481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-02 07:12:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HHZ. 2023-05-02T06:38:29.77 0.6 undecidable manual S 198 33.3444 50 -0.01 49
IV.CSP1.EHZ. 2023-05-02T06:38:26.58 0.3 undecidable manual S 8 22.755 113 -0.09 73
IV.CESI.HHZ. 2023-05-02T06:38:24.06 0.6 positive manual P 301 24.9528 111 0.61 43
IV.FDMO.HHZ. 2023-05-02T06:38:24.72 0.3 undecidable manual S 338 17.5713 119 -0.35 70
IV.LNSS.HHZ. 2023-05-02T06:38:24.10 0.6 undecidable manual P 198 33.3444 50 -0.74 40
IV.MMO1.EHZ. 2023-05-02T06:38:23.89 0.3 undecidable manual S 85 12.9759 127 0.17 73
IV.CSP1.EHZ. 2023-05-02T06:38:23.10 0.1 undecidable manual P 8 22.755 113 0.05 99
IV.FDMO.HHZ. 2023-05-02T06:38:22.90 3.0 undecidable manual P 338 17.5713 119 0.78 0
7F.SIB3.EHZ. 2023-05-02T06:38:22.19 0.3 undecidable manual S 100 8.4804 139 -0.37 71
IV.NRCA.HHZ. 2023-05-02T06:38:22.20 0.3 undecidable manual S 215 7.4814 142 -0.15 74
7F.SIB2.EHZ. 2023-05-02T06:38:22.99 0.3 undecidable manual S 89 11.0778 131 -0.22 73
7F.SIB2.EHZ. 2023-05-02T06:38:21.17 0.1 undecidable manual P 89 11.0778 131 0.12 99
IV.MMO1.EHZ. 2023-05-02T06:38:21.61 0.1 undecidable manual P 85 12.9759 127 0.26 96
7F.SIB3.EHZ. 2023-05-02T06:38:20.78 0.1 undecidable manual P 100 8.4804 139 0.1 100
IV.NRCA.HHZ. 2023-05-02T06:38:20.79 0.1 positive manual P 215 7.4814 142 0.24 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.7 0.00007394985000000001 0.1024 AML other m 2023-05-02T06:38:23.58
IV.NRCA.HHE. ML:1.0 0.0001462098 0.1184 AML other m 2023-05-02T06:38:22.71
IV.MMO1.EHE. ML:0.4 0.000024127035 0.1408 AML other m 2023-05-02T06:38:24.09
IV.MMO1.EHN. ML:0.4 0.00003105347 0.08 AML other m 2023-05-02T06:38:24.03
IV.FDMO.HHE. ML:0.1 0.000009376735 0.1408 AML other m 2023-05-02T06:38:27.15
IV.FDMO.HHN. ML:0.1 0.00000890814585 0.1408 AML other m 2023-05-02T06:38:25.91
IV.CSP1.EHE. ML:0.5 0.000018558364999999996 0.1216 AML other m 2023-05-02T06:38:27.33
IV.CSP1.EHN. ML:0.4 0.000012770544999999994 0.1408 AML other m 2023-05-02T06:38:26.91
IV.CESI.HHN. ML:-0.1 0.0000069738945 0.0992 AML other m 2023-05-02T06:38:28.10
IV.LNSS.HHE. ML:0.4 0.000012436069999999999 0.1408 AML other m 2023-05-02T06:38:31.83
IV.LNSS.HHN. ML:0.4 0.000011748704999999999 0.1792 AML other m 2023-05-02T06:38:31.29
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