Earthquake with magnitude of ML 1.0 on date 25-02-2023 and time 05:15:19 (UTC) 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

  • 25-02-2023 05:15:19 (UTC)
  • 25-02-2023 06:15:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8350, 13.2140 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 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
Amandola FM 20 3629 18350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 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)
74 Km E of Perugia (166134 inhabitants)
84 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 2023-02-25
05:15:19
42.835 13.2138 7 2023-02-25
05:30:16
Sala Sismica INGV-Roma 114785611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-25 05:15:19 ± 0.17
Latitude 42.8350 ± 0.0045
Longitude 13.2138 ± 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 114785611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 510
Semi-minor axis of confidence ellipse (meter) 277
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 296
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.05756
Epicentral distance of station farthest from the epicenter (degree) 0.28329
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 114785611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-25 05:30:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2023-02-25T05:15:30.34 0.6 undecidable manual S 307 31.4463 103 0.07 49
IV.LNSS.HNE. 2023-02-25T05:15:30.28 0.6 undecidable manual S 209 29.3484 104 0.69 41
IV.MF5.EHZ. 2023-02-25T05:15:29.13 0.6 undecidable manual S 50 26.1516 106 0.61 43
IV.SMA1.EHN. 2023-02-25T05:15:28.32 0.6 undecidable manual S 156 24.753 107 0.28 47
IV.FDMO.HHZ. 2023-02-25T05:15:28.08 0.3 undecidable manual S 335 24.5532 107 0.09 73
IV.CESI.HHZ. 2023-02-25T05:15:25.33 0.6 positive manual P 307 31.4463 103 -0.21 47
IV.LNSS.HNE. 2023-02-25T05:15:25.03 0.1 undecidable manual P 209 29.3484 104 -0.12 97
IV.FDMO.HHZ. 2023-02-25T05:15:24.12 1.0 positive manual P 335 24.5532 107 -0.1 24
IV.MF5.EHZ. 2023-02-25T05:15:24.88 1.0 negative manual P 50 26.1516 106 0.35 23
IV.MMO1.EHZ. 2023-02-25T05:15:24.23 0.6 undecidable manual S 52 11.6772 123 0.37 47
IV.SMA1.EHN. 2023-02-25T05:15:24.18 0.1 undecidable manual P 156 24.753 107 -0.07 98
IV.MC2.EHZ. 2023-02-25T05:15:23.49 0.6 undecidable manual S 347 8.6802 130 0.44 47
7F.SIB1.EHE. 2023-02-25T05:15:23.36 0.6 undecidable manual S 35 8.0808 133 0.49 46
7F.SIB2.EHE. 2023-02-25T05:15:23.61 0.6 undecidable manual S 50 9.5793 128 0.32 48
IV.NRCA.HHZ. 2023-02-25T05:15:22.86 0.6 undecidable manual S 269 8.0808 133 -0.03 51
7F.SIB2.EHE. 2023-02-25T05:15:21.23 0.1 undecidable manual P 50 9.5793 128 -0.28 97
IV.NRCA.HHZ. 2023-02-25T05:15:21.22 0.3 positive manual P 269 8.0808 133 -0.06 76
IV.MC2.EHZ. 2023-02-25T05:15:21.41 0.3 positive manual P 347 8.6802 130 0.04 76
7F.SIB1.EHE. 2023-02-25T05:15:21.14 0.1 undecidable manual P 35 8.0808 133 -0.13 100
IV.MMO1.EHZ. 2023-02-25T05:15:21.61 0.6 undecidable manual P 52 11.6772 123 -0.23 49
7F.SIB3.EHE. 2023-02-25T05:15:21.96 0.3 undecidable manual S 46 6.3936 139 -0.51 69
7F.SIB3.EHE. 2023-02-25T05:15:20.58 0.1 undecidable manual P 46 6.3936 139 -0.46 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:1.3 0.00031899999999999995 1.36 AML other m 2023-02-25T05:15:23.68
IV.NRCA.HHE. ML:1.2 0.000307 0.14 AML other m 2023-02-25T05:15:23.17
IV.NRCA.HHN. ML:1.4 0.00042249999999999997 0.14 AML other m 2023-02-25T05:15:23.11
IV.NRCA.HNN. ML:1.4 0.00042699999999999997 0.86 AML other m 2023-02-25T05:15:23.12
IV.MC2.EHE. ML:1.2 0.00024249999999999999 0.66 AML other m 2023-02-25T05:15:24.31
IV.MC2.EHN. ML:1.4 0.000379 0.3 AML other m 2023-02-25T05:15:26.60
IV.MMO1.EHE. ML:0.5 0.000041352609999999995 0.1408 AML other m 2023-02-25T05:15:25.37
IV.MMO1.EHN. ML:0.8 0.00008835050999999999 0.24 AML other m 2023-02-25T05:15:24.61
IV.FDMO.HHE. ML:0.6 0.00002523433 0.16 AML other m 2023-02-25T05:15:29.72
IV.FDMO.HHN. ML:0.6 0.000026938495 0.1984 AML other m 2023-02-25T05:15:30.43
IV.CESI.HHE. ML:0.7 0.000022814645 0.1408 AML other m 2023-02-25T05:15:30.57
IV.CESI.HHN. ML:0.9 0.00003867861 0.2816 AML other m 2023-02-25T05:15:31.84
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