Earthquake with magnitude of ML 1.0 on date 06-04-2023 and time 06:50:24 (Italy) in region 6 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.0 earthquake occured in region: 6 km SE Castelsantangelo sul Nera (MC), on

  • 06-04-2023 04:50:24 (UTC)
  • 06-04-2023 06:50:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8520, 13.2040 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 6 281 281
Montegallo AP 11 523 804
Norcia PG 11 4957 5761
Montemonaco AP 12 604 6365
Ussita MC 12 444 6809
Arquata del Tronto AP 12 1178 7987
Visso MC 13 1107 9094
Preci PG 14 724 9818
Montefortino FM 15 1178 10996
Bolognola MC 16 142 11138
Accumoli RI 18 667 11805
Amandola FM 19 3629 15434
Acquasanta Terme AP 19 2916 18350
Acquacanina MC 20 121 18471

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
58 Km N of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
89 Km S of Ancona (100861 inhabitants)
93 Km W of Pescara (121014 inhabitants)
97 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 2023-04-06
04:50:24
42.8517 13.2037 10 2023-04-06
05:01:28
Sala Sismica INGV-Roma 116104501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-06 04:50:24 ± 0.11
Latitude 42.8517 ± 0.0036
Longitude 13.2037 ± 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 116104501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 459
Semi-minor axis of confidence ellipse (meter) 76
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26710
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 116104501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-06 05:01:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.BOSI.HHZ. 2023-04-06T04:52:15.99 3.0 undecidable manual Sn -0.34 0
GU.RNCA.HHZ. 2023-04-06T04:52:01.78 3.0 undecidable manual Sn 0.7 0
GU.MAIM.HHZ. 2023-04-06T04:51:32.84 3.0 undecidable manual Sn 1.7 0
1J.FX14.HHZ.00 2023-04-06T04:51:24.71 3.0 undecidable manual Pn -4.03 0
IV.CAR1.HHZ. 2023-04-06T04:51:21.15 3.0 negative manual Pg 6.51 0
IV.MGR.HHZ. 2023-04-06T04:51:07.20 3.0 positive manual Pg 6.43 0
IV.POFI.HNZ. 2023-04-06T04:50:42.10 3.0 undecidable manual S 0.8 0
IV.SSFR.HHZ. 2023-04-06T04:50:35.74 3.0 undecidable manual P -3.21 0
IV.GUMA.HHZ. 2023-04-06T04:50:34.67 0.3 undecidable manual S 24 25.752 110 0.2 70
IV.MF5.EHZ. 2023-04-06T04:50:34.93 0.3 undecidable manual S 54 25.752 110 0.47 66
IV.CSP1.EHZ. 2023-04-06T04:50:34.52 0.1 undecidable manual S 0 26.6511 110 -0.25 93
IV.SMA1.EHZ. 2023-04-06T04:50:34.57 0.3 undecidable manual S 156 26.751 110 -0.24 70
IV.FDMO.HHZ. 2023-04-06T04:50:33.34 0.1 undecidable manual S 335 22.5552 113 -0.11 96
IV.CESI.HHZ. 2023-04-06T04:50:31.09 0.1 undecidable manual P 305 29.6481 50 -0.03 96
IV.CSP1.EHZ. 2023-04-06T04:50:30.47 0.1 undecidable manual P 0 26.6511 110 -0.14 95
IV.SMA1.EHZ. 2023-04-06T04:50:30.55 0.1 undecidable manual P 156 26.751 110 -0.09 96
IV.GUMA.HHZ. 2023-04-06T04:50:30.60 0.3 undecidable manual P 24 25.752 110 0.16 71
IV.MF5.EHZ. 2023-04-06T04:50:30.65 0.1 undecidable manual P 54 25.752 110 0.21 94
IV.POFI.HNZ. 2023-04-06T04:50:29.54 3.0 undecidable manual P -0.33 0
IV.NRCA.HHZ. 2023-04-06T04:50:29.28 0.1 undecidable manual S 255 7.4814 142 0.11 99
IV.FDMO.HHZ. 2023-04-06T04:50:29.78 0.1 undecidable manual P 335 22.5552 113 -0.08 97
IV.MMO1.EHZ. 2023-04-06T04:50:29.74 0.1 undecidable manual S 62 11.3775 130 -0.35 93
IV.NRCA.HHZ. 2023-04-06T04:50:27.70 0.1 undecidable manual P 255 7.4814 142 0.32 94
IV.MMO1.EHZ. 2023-04-06T04:50:27.92 0.1 undecidable manual P 62 11.3775 130 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.2 0.0002725 1.3 AML other m 2023-04-06T04:50:29.95
IV.MMO1.EHE. ML:1.1 0.00016350000000000002 1.66 AML other m 2023-04-06T04:50:30.85
IV.NRCA.HHE. ML:1.2 0.0002355 1.12 AML other m 2023-04-06T04:50:30.70
IV.MMO1.EHN. ML:1.0 0.0001159 0.92 AML other m 2023-04-06T04:50:30.89
IV.FDMO.HHN. ML:0.8 0.0000444 0.26 AML other m 2023-04-06T04:50:33.71
IV.FDMO.HHE. ML:0.7 0.000033 0.82 AML other m 2023-04-06T04:50:34.98
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