Earthquake with magnitude of ML 1.0 on date 25-03-2023 and time 17:47:22 (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

  • 25-03-2023 17:47:22 (UTC)
  • 25-03-2023 18:47:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8580, 13.2370 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Montegallo AP 8 523 804
Montemonaco AP 9 604 1408
Arquata del Tronto AP 11 1178 2586
Ussita MC 13 444 3030
Montefortino FM 13 1178 4208
Norcia PG 14 4957 9165
Visso MC 15 1107 10272
Bolognola MC 15 142 10414
Preci PG 16 724 11138
Amandola FM 17 3629 14767
Acquasanta Terme AP 17 2916 17683
Accumoli RI 18 667 18350
Comunanza AP 18 3166 21516
Palmiano AP 19 196 21712
Roccafluvione AP 20 2010 23722
Acquacanina MC 20 121 23843

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NW of Teramo (54892 inhabitants)
45 Km E of Foligno (57155 inhabitants)
58 Km N of L'Aquila (69753 inhabitants)
58 Km NE of Terni (111501 inhabitants)
74 Km E of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
88 Km S of Ancona (100861 inhabitants)
91 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
Bulletin
Rev1000
ML 1.0 2023-03-25
17:47:22
42.8583 13.2372 11 2024-03-01
17:18:00
Bollettino Sismico Italiano INGV 115732721
Reviewed
Rev100
ML 1.2 2023-03-25
17:47:23
42.8475 13.2358 9 2023-03-25
18:08:29
Sala Sismica INGV-Roma 115726841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-25 17:47:22 ± 0.05
Latitude 42.8583 ± 0.0027
Longitude 13.2372 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115732721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 372
Semi-minor axis of confidence ellipse (meter) 287
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 84
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47394
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 115732721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-25 22:02:49

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 115726841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-25 18:08:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2023-03-25T17:47:51.74 3.0 undecidable manual S -1.2 0
IV.GIGS.HHN. 2023-03-25T17:47:39.50 0.3 undecidable manual S 149 52.6029 50 0.13 68
IV.CAMP.HHE. 2023-03-25T17:47:35.52 0.3 undecidable manual S 159 38.4282 50 -0.06 70
IV.RM33.EHZ. 2023-03-25T17:47:35.73 0.3 undecidable manual S 183 38.8278 50 0.05 70
IV.TERO.HHN. 2023-03-25T17:47:35.89 0.3 undecidable manual S 131 39.7269 50 -0.03 71
IV.GAVE.EHN. 2023-03-25T17:47:34.50 0.3 undecidable manual S 237 33.4443 50 0.25 68
IV.LNSS.HHN. 2023-03-25T17:47:34.10 0.3 undecidable manual S 210 32.5452 50 0.09 71
IV.CESI.HHZ. 2023-03-25T17:47:33.70 0.3 undecidable manual S 301 31.5462 50 -0.04 72
IV.CSP1.EHZ. 2023-03-25T17:47:32.05 0.3 undecidable manual S 354 26.0517 50 -0.22 70
IV.GUMA.HNN. 2023-03-25T17:47:32.30 0.3 undecidable manual S 19 24.0537 50 0.57 64
IV.GIGS.HHN. 2023-03-25T17:47:32.39 0.3 undecidable manual P 149 52.6029 50 0.02 69
IV.SMA1.EHN. 2023-03-25T17:47:31.97 0.3 undecidable manual S 162 26.5512 50 -0.43 66
IV.MF5.EHZ. 2023-03-25T17:47:31.89 0.3 undecidable manual S 51 23.0547 50 0.41 67
IV.FDMO.HHN. 2023-03-25T17:47:31.34 0.3 undecidable manual S 328 23.1546 50 -0.18 71
IV.TERO.HHN. 2023-03-25T17:47:30.76 0.3 undecidable manual P 131 39.7269 50 0.38 66
IV.CAMP.HHE. 2023-03-25T17:47:30.15 0.3 undecidable manual P 159 38.4282 50 -0.04 71
IV.RM33.EHZ. 2023-03-25T17:47:30.38 0.1 undecidable manual P 183 38.8278 50 0.14 92
IV.CESI.HHZ. 2023-03-25T17:47:29.21 0.1 negative manual P 301 31.5462 50 0.09 94
IV.LNSS.HHN. 2023-03-25T17:47:29.03 0.1 undecidable manual P 210 32.5452 50 -0.25 91
IV.GAVE.EHN. 2023-03-25T17:47:29.30 0.3 undecidable manual P 237 33.4443 50 -0.12 70
IV.SMA1.EHN. 2023-03-25T17:47:28.12 0.3 undecidable manual P 162 26.5512 50 -0.23 69
IV.NRCA.HHZ. 2023-03-25T17:47:28.14 0.3 undecidable manual S 255 10.3785 136 0.12 73
IV.FDMO.HHN. 2023-03-25T17:47:27.89 0.3 undecidable manual P 328 23.1546 50 0.05 72
7F.SIB1.EHZ. 2023-03-25T17:47:27.11 0.3 undecidable manual S 34 4.7952 156 0.18 73
IV.CSP1.EHZ. 2023-03-25T17:47:27.55 0.1 undecidable manual P 354 26.0517 50 -0.72 80
IV.MMO1.EHZ. 2023-03-25T17:47:27.41 0.3 undecidable manual S 58 8.5803 142 -0.2 72
IV.MF5.EHZ. 2023-03-25T17:47:27.89 0.1 undecidable manual P 51 23.0547 50 0.07 96
IV.GUMA.HNN. 2023-03-25T17:47:27.90 0.3 undecidable manual P 19 24.0537 50 -0.06 72
7F.SIB2.EHN. 2023-03-25T17:47:26.86 0.3 undecidable manual S 56 6.4935 149 -0.34 70
7F.SIB3.EHN. 2023-03-25T17:47:26.56 0.3 undecidable manual S 55 3.2967 163 -0.18 73
IV.NRCA.HHZ. 2023-03-25T17:47:26.06 0.1 negative manual P 255 10.3785 136 0.24 95
IV.MMO1.EHZ. 2023-03-25T17:47:25.60 0.1 positive manual P 58 8.5803 142 0.02 100
7F.SIB2.EHN. 2023-03-25T17:47:25.33 0.1 positive manual P 56 6.4935 149 -0.02 100
7F.SIB3.EHN. 2023-03-25T17:47:25.15 0.1 undecidable manual P 55 3.2967 163 0.07 100
7F.SIB1.EHZ. 2023-03-25T17:47:25.46 0.1 positive manual P 34 4.7952 156 0.27 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHN. ML:1.1 0.00018099999999999998 0.08 AML other m 2023-03-25T17:47:27.49
IV.MMO1.EHE. ML:0.6 0.00005205 0.22 AML other m 2023-03-25T17:47:27.64
IV.NRCA.HNN. ML:1.3 0.000224438 0.128 AML other m 2023-03-25T17:47:28.41
IV.NRCA.HHE. ML:1.5 0.0003705 0.08 AML other m 2023-03-25T17:47:28.36
IV.NRCA.HNE. ML:1.5 0.00034484165 0.0896 AML other m 2023-03-25T17:47:28.36
IV.NRCA.HHN. ML:1.4 0.00027400000000000005 0.94 AML other m 2023-03-25T17:47:28.41
IV.CESI.HHN. ML:0.6 0.000017751315 0.256 AML other m 2023-03-25T17:47:34.21
IV.CESI.HHE. ML:0.5 0.0000165262925 0.2176 AML other m 2023-03-25T17:47:34.20
IV.RM33.EHE. ML:0.6 0.000013162694999999998 0.64 AML other m 2023-03-25T17:47:34.39
IV.RM33.EHN. ML:0.8 0.00001998284 0.2432 AML other m 2023-03-25T17:47:36.03
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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