Earthquake with magnitude of ML 1.2 on date 09-03-2023 and time 22:26:13 (UTC) in region 5 km S Castelsantangelo sul Nera (MC)

A magnitude ML 1.2 earthquake occured in region: 5 km S Castelsantangelo sul Nera (MC), on

  • 09-03-2023 22:26:13 (UTC)
  • 09-03-2023 23:26:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8480, 13.1650 at 7 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 5 281 281
Norcia PG 8 4957 5238
Preci PG 11 724 5962
Ussita MC 11 444 6406
Visso MC 11 1107 7513
Arquata del Tronto AP 14 1178 8691
Montegallo AP 14 523 9214
Montemonaco AP 15 604 9818
Bolognola MC 17 142 9960
Montefortino FM 18 1178 11138
Accumoli RI 18 667 11805
Cascia PG 19 3217 15022
Sellano PG 20 1079 16101

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
49 Km W of Teramo (54892 inhabitants)
53 Km NE of Terni (111501 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
96 Km W of Pescara (121014 inhabitants)
99 Km E of Viterbo (67173 inhabitants)
99 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 1.2 2023-03-09
22:26:13
42.8478 13.165 7 2023-03-09
22:31:42
Sala Sismica INGV-Roma 115174381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-09 22:26:13 ± 0.2
Latitude 42.8478 ± 0.0063
Longitude 13.1650 ± 0.0061
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115174381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 640
Semi-minor axis of confidence ellipse (meter) 386
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 328
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 192
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25721
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 115174381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-09 22:31:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GRAM.HHZ. 2023-03-09T22:27:43.33 3.0 undecidable manual Sg 11.37 0
IV.LPDG.HHZ. 2023-03-09T22:27:43.39 3.0 undecidable manual Pn -4.53 0
GU.BLANC.HHZ. 2023-03-09T22:27:31.47 3.0 undecidable manual Pn 1.08 0
IV.GIB.HHZ. 2023-03-09T22:27:18.96 3.0 negative manual Pn 4.82 0
IV.FNVD.HHZ. 2023-03-09T22:27:13.37 3.0 undecidable manual Sg 0.51 0
NI.POLC.HHZ. 2023-03-09T22:27:03.01 3.0 undecidable manual Pn 1.77 0
GU.GRAM.HHZ. 2023-03-09T22:26:57.53 3.0 positive manual Pg 2.71 0
OX.MARN.HHZ. 2023-03-09T22:26:53.04 3.0 positive manual Pn -7.08 0
GU.GSCL.HHZ. 2023-03-09T22:26:52.90 3.0 undecidable manual Pg 3.25 0
IV.MCRV.HHZ. 2023-03-09T22:26:43.95 3.0 undecidable manual Pn 1.97 0
IV.CERA.HHZ. 2023-03-09T22:26:38.75 3.0 undecidable manual Sn -1.99 0
IV.MPAG.HNZ. 2023-03-09T22:26:31.80 3.0 negative manual Pg 3.07 0
IV.CESI.HHZ. 2023-03-09T22:26:24.02 0.6 undecidable manual S 310 27.4503 105 0.55 43
IV.MF5.EHZ. 2023-03-09T22:26:24.23 0.6 undecidable manual S 57 28.5492 104 0.38 44
IV.CSP1.EHZ. 2023-03-09T22:26:23.32 0.6 undecidable manual S 7 27.2505 105 -0.1 47
IV.ARVD.HHZ. 2023-03-09T22:26:21.41 3.0 undecidable manual Pn -5.03 0
IV.FDMO.HHZ. 2023-03-09T22:26:21.54 0.6 undecidable manual S 343 21.867 108 -0.09 48
IV.VVLD.HHZ. 2023-03-09T22:26:20.87 3.0 undecidable manual P 0.29 0
IV.CESI.HHZ. 2023-03-09T22:26:19.26 0.1 undecidable manual P 310 27.4503 105 -0.06 95
IV.MF5.EHZ. 2023-03-09T22:26:19.57 0.1 undecidable manual P 57 28.5492 104 0.04 95
IV.FDMO.HHZ. 2023-03-09T22:26:18.05 1.0 positive manual P 343 21.867 108 -0.2 23
IV.CSP1.EHZ. 2023-03-09T22:26:18.91 0.6 positive manual P 7 27.2505 105 -0.38 45
IV.MC2.EHZ. 2023-03-09T22:26:17.20 0.6 undecidable manual S 15 7.2927 135 -0.01 50
IV.NRCA.HHZ. 2023-03-09T22:26:16.58 0.6 undecidable manual S 249 4.3956 149 -0.01 50
IV.NRCA.HHZ. 2023-03-09T22:26:15.33 0.1 positive manual P 249 4.3956 149 -0.01 100
IV.MC2.EHZ. 2023-03-09T22:26:15.40 1.0 undecidable manual P 15 7.2927 135 -0.3 23
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MC2.EHE. ML:1.3 0.0003785 0.26 AML other m 2023-03-09T22:26:17.50
IV.MC2.EHN. ML:1.3 0.0003705 1.22 AML other m 2023-03-09T22:26:18.01
IV.CESI.HHN. ML:1.0 0.00005505 0.26 AML other m 2023-03-09T22:26:24.30
IV.CESI.HHE. ML:1.0 0.000049500000000000004 0.82 AML other m 2023-03-09T22:26:25.42
IV.ARVD.HHN. ML:1.1 0.00001835 0.42 AML other m 2023-03-09T22:26:51.48
IV.ARVD.HHE. ML:1.3 0.00003155 0.42 AML other m 2023-03-09T22:26:54.71
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