Earthquake with magnitude of ML 1.2 on date 03-02-2023 and time 09:43:23 (Italy) in region 3 km S Castelsantangelo sul Nera (MC)

A magnitude ML 1.2 earthquake occured in region: 3 km S Castelsantangelo sul Nera (MC), on

  • 03-02-2023 08:43:23 (UTC)
  • 03-02-2023 09:43:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8700, 13.1500 at 11 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 3 281 281
Ussita MC 8 444 725
Visso MC 9 1107 1832
Preci PG 9 724 2556
Norcia PG 10 4957 7513
Montemonaco AP 15 604 8117
Bolognola MC 15 142 8259
Montegallo AP 15 523 8782
Arquata del Tronto AP 16 1178 9960
Montefortino FM 18 1178 11138
Acquacanina MC 18 121 11259
Sellano PG 18 1079 12338
Monte Cavallo MC 18 145 12483
Fiastra MC 19 559 13042
Fiordimonte MC 19 202 13244
Cerreto di Spoleto PG 20 1075 14319

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
51 Km W of Teramo (54892 inhabitants)
53 Km NE of Terni (111501 inhabitants)
61 Km NW of L'Aquila (69753 inhabitants)
67 Km E of Perugia (166134 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
98 Km W of Pescara (121014 inhabitants)
99 Km NE 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 2023-02-03
08:43:23
42.8698 13.1497 11 2023-02-03
09:26:18
Sala Sismica INGV-Roma 114008961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-03 08:43:23 ± 0.06
Latitude 42.8698 ± 0.0036
Longitude 13.1497 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 114008961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 498
Semi-minor axis of confidence ellipse (meter) 384
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41459
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 114008961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-03 09:26:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2023-02-03T08:43:37.58 0.3 undecidable manual S 126 46.0206 50 -0.3 68
IV.LNSS.HHZ. 2023-02-03T08:43:34.02 0.3 undecidable manual S 197 30.9468 50 0.18 71
IV.MF5.EHZ. 2023-02-03T08:43:33.86 0.3 undecidable manual S 62 28.3494 50 0.7 62
IV.SMA1.EHZ. 2023-02-03T08:43:33.46 0.3 undecidable manual S 150 30.5472 50 -0.28 70
IV.ARVD.HHZ. 2023-02-03T08:43:33.62 3.0 undecidable manual P -2.52 0
IV.CSP1.EHZ. 2023-02-03T08:43:32.05 0.6 undecidable manual S 10 25.0527 50 -0.22 48
IV.CESI.HHZ. 2023-02-03T08:43:32.21 0.3 undecidable manual S 307 24.9528 50 -0.02 74
IV.TERO.HHZ. 2023-02-03T08:43:31.58 0.1 undecidable manual P 126 46.0206 50 -0.04 95
IV.FDMO.HHZ. 2023-02-03T08:43:30.27 0.3 undecidable manual S 345 19.1697 119 -0.43 69
IV.SMA1.EHZ. 2023-02-03T08:43:29.17 0.1 undecidable manual P 150 30.5472 50 -0.06 98
IV.LNSS.HHZ. 2023-02-03T08:43:29.28 0.1 undecidable manual P 197 30.9468 50 -0.01 99
IV.MMO1.EHZ. 2023-02-03T08:43:29.05 0.3 undecidable manual S 77 14.7741 126 -0.37 71
IV.MF5.EHZ. 2023-02-03T08:43:29.11 0.1 undecidable manual P 62 28.3494 50 0.21 95
IV.CSP1.EHZ. 2023-02-03T08:43:28.25 0.1 undecidable manual P 10 25.0527 50 -0.13 97
IV.CESI.HHZ. 2023-02-03T08:43:28.41 0.1 undecidable manual P 307 24.9528 50 0.05 99
IV.NRCA.HHZ. 2023-02-03T08:43:27.15 0.3 undecidable manual S 216 4.995 155 -0.04 77
IV.FDMO.HHZ. 2023-02-03T08:43:27.41 0.1 undecidable manual P 345 19.1697 119 -0.06 99
IV.MC2.EHZ. 2023-02-03T08:43:27.52 0.3 undecidable manual S 35 5.5944 153 0.23 74
IV.MMO1.EHZ. 2023-02-03T08:43:26.66 0.1 undecidable manual P 77 14.7741 126 -0.07 100
IV.NRCA.HHZ. 2023-02-03T08:43:25.64 0.1 undecidable manual P 216 4.995 155 0.19 99
IV.MC2.EHZ. 2023-02-03T08:43:25.81 0.1 negative manual P 35 5.5944 153 0.31 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.7 0.000759 0.12 AML other m 2023-02-03T08:43:27.30
IV.NRCA.HNN. ML:1.7 0.0007934999999999999 0.14 AML other m 2023-02-03T08:43:27.31
IV.NRCA.HNE. ML:1.5 0.000488 0.42 AML other m 2023-02-03T08:43:27.16
IV.NRCA.HHE. ML:1.5 0.0004745 0.44 AML other m 2023-02-03T08:43:27.37
IV.MC2.EHN. ML:1.5 0.0005145 0.54 AML other m 2023-02-03T08:43:28.53
IV.MC2.EHE. ML:1.4 0.00038 0.98 AML other m 2023-02-03T08:43:28.15
IV.MMO1.EHN. ML:1.1 0.00010839999999999999 0.5 AML other m 2023-02-03T08:43:29.42
IV.MMO1.EHE. ML:1.0 0.00009495 1.32 AML other m 2023-02-03T08:43:29.22
IV.FDMO.HHN. ML:1.0 0.0000756 0.3 AML other m 2023-02-03T08:43:30.73
IV.FDMO.HHE. ML:0.9 0.000060899999999999996 0.66 AML other m 2023-02-03T08:43:30.63
IV.CESI.HHE. ML:1.0 0.00005315 0.32 AML other m 2023-02-03T08:43:32.64
IV.CESI.HHN. ML:1.1 0.0000766 0.1 AML other m 2023-02-03T08:43:32.65
IV.LNSS.HHE. ML:1.1 0.0000585 0.12 AML other m 2023-02-03T08:43:34.49
IV.LNSS.HHN. ML:1.0 0.00004835 0.16 AML other m 2023-02-03T08:43:34.69
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