Earthquake with magnitude of ML 0.9 on date 15-04-2023 and time 19:53:06 (Italy) in region 4 km SW Castelsantangelo sul Nera (MC)

A magnitude ML 0.9 earthquake occured in region: 4 km SW Castelsantangelo sul Nera (MC), on

  • 15-04-2023 17:53:06 (UTC)
  • 15-04-2023 19:53:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8700, 13.1210 at 13 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 4 281 281
Preci PG 7 724 1005
Visso MC 7 1107 2112
Ussita MC 9 444 2556
Norcia PG 9 4957 7513
Sellano PG 16 1079 8592
Bolognola MC 16 142 8734
Monte Cavallo MC 17 145 8879
Montemonaco AP 17 604 9483
Cerreto di Spoleto PG 18 1075 10558
Montegallo AP 18 523 11081
Arquata del Tronto AP 18 1178 12259
Acquacanina MC 18 121 12380
Fiastra MC 19 559 12939
Cascia PG 19 3217 16156
Fiordimonte MC 19 202 16358
Montefortino FM 20 1178 17536

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
53 Km W of Teramo (54892 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
65 Km E of Perugia (166134 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
97 Km NE of Viterbo (67173 inhabitants)
100 Km W of Pescara (121014 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 0.9 2023-04-15
17:53:06
42.8698 13.1213 13 2024-03-01
17:18:04
Bollettino Sismico Italiano INGV 116488531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-15 17:53:06 ± 0.04
Latitude 42.8698 ± 0.0018
Longitude 13.1213 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116488531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 245
Semi-minor axis of confidence ellipse (meter) 127
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 226
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.37951
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 116488531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-23 16:08:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHN. 2023-04-15T17:53:20.34 0.6 undecidable manual S 297 42.1245 93 0.2 45
IV.RM33.HNE. 2023-04-15T17:53:20.19 0.6 undecidable manual S 169 40.7259 93 0.43 44
IV.SMA1.EHZ. 2023-04-15T17:53:17.60 0.6 undecidable manual S 147 31.746 95 0.24 47
IV.MML1.HNZ. 2023-04-15T17:53:16.65 0.3 undecidable manual S 336 29.6481 95 -0.15 71
IV.PF6.EHN. 2023-04-15T17:53:16.91 0.6 undecidable manual S 11 30.3474 95 -0.07 48
IV.LNSS.HNZ. 2023-04-15T17:53:16.97 0.3 undecidable manual S 193 30.3474 95 -0.02 72
IV.CSP1.EHZ. 2023-04-15T17:53:15.80 0.3 undecidable manual S 15 25.5522 97 0.09 72
IV.CESI.HHZ. 2023-04-15T17:53:15.00 0.3 undecidable manual S 310 23.1546 98 -0.07 73
IV.GAVE.HNZ. 2023-04-15T17:53:15.98 0.3 undecidable manual S 223 27.0507 96 -0.13 71
IV.ASSB.HHN. 2023-04-15T17:53:14.65 0.3 undecidable manual P 297 42.1245 93 0.31 67
IV.FDMO.HHZ. 2023-04-15T17:53:13.78 0.3 undecidable manual S 351 18.6702 104 -0.13 73
IV.RM33.HNE. 2023-04-15T17:53:13.92 0.3 undecidable manual P 169 40.7259 93 -0.2 68
IV.MMO1.EHZ. 2023-04-15T17:53:13.47 0.3 undecidable manual S 79 16.9719 107 -0.01 74
IT.MTCL.HGZ. 2023-04-15T17:53:13.22 0.3 undecidable manual S 324 16.9719 107 -0.25 71
7F.SIB1.EHZ. 2023-04-15T17:53:12.60 0.1 undecidable manual S 77 12.3765 120 0.25 95
IV.LNSS.HNZ. 2023-04-15T17:53:12.47 0.3 undecidable manual P 193 30.3474 95 -0.05 71
7F.SIB2.EHZ. 2023-04-15T17:53:12.78 0.1 undecidable manual S 81 14.9739 112 -0.19 95
IV.GAVE.HNZ. 2023-04-15T17:53:12.08 0.3 undecidable manual P 223 27.0507 96 0.07 72
IV.FEMA.HNZ. 2023-04-15T17:53:12.22 0.3 undecidable manual S 330 11.7771 123 0.01 74
IV.MML1.HNZ. 2023-04-15T17:53:12.34 0.1 undecidable manual P 336 29.6481 95 -0.07 96
IV.PF6.EHN. 2023-04-15T17:53:12.44 0.3 undecidable manual P 11 30.3474 95 -0.07 71
7F.SIB3.EHZ. 2023-04-15T17:53:12.08 0.3 undecidable manual S 87 12.0768 121 -0.2 72
IV.SMA1.EHZ. 2023-04-15T17:53:12.60 0.3 undecidable manual P 147 31.746 95 -0.14 70
IV.CSP1.EHZ. 2023-04-15T17:53:11.84 0.1 undecidable manual P 15 25.5522 97 0.06 97
IV.CESI.HHZ. 2023-04-15T17:53:11.44 0.1 undecidable manual P 310 23.1546 98 0.03 97
IT.MTCL.HGZ. 2023-04-15T17:53:10.39 0.1 undecidable manual P 324 16.9719 107 -0.09 98
IV.NRCA.HHZ. 2023-04-15T17:53:10.62 0.3 undecidable manual S 188 4.0959 157 -0.26 73
7F.SIB1.EHZ. 2023-04-15T17:53:10.06 0.1 undecidable manual P 77 12.3765 120 0.22 96
7F.SIB2.EHZ. 2023-04-15T17:53:10.20 0.1 undecidable manual P 81 14.9739 112 0 99
IV.FEMA.HNZ. 2023-04-15T17:53:10.24 0.3 undecidable manual P 330 11.7771 123 0.48 67
IV.MMO1.EHZ. 2023-04-15T17:53:10.50 0.1 undecidable manual P 79 16.9719 107 0.01 99
IV.FDMO.HHZ. 2023-04-15T17:53:10.72 0.1 undecidable manual P 351 18.6702 104 -0.02 98
7F.SIB3.EHZ. 2023-04-15T17:53:09.83 0.1 undecidable manual P 87 12.0768 121 0.03 100
IV.NRCA.HHZ. 2023-04-15T17:53:09.04 0.1 undecidable manual P 188 4.0959 157 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.4 0.0003255 0.16 AML other m 2023-04-15T17:53:10.69
IV.NRCA.HHE. ML:1.2 0.0001945 0.06 AML other m 2023-04-15T17:53:10.75
IV.FDMO.HHE. ML:0.3 0.000015749945000000003 0.2816 AML other m 2023-04-15T17:53:13.79
IV.FDMO.HHN. ML:0.3 0.000016923444999999998 0.1024 AML other m 2023-04-15T17:53:14.39
IV.CESI.HHE. ML:0.9 0.00004745000000000001 1.12 AML other m 2023-04-15T17:53:15.66
IV.CESI.HHN. ML:0.9 0.00005105 0.48 AML other m 2023-04-15T17:53:15.33
IV.CSP1.EHE. ML:1.1 0.00007509543 3.0464 AML other m 2023-04-15T17:53:15.85
IV.CSP1.EHN. ML:1.0 0.00005488285 1.536 AML other m 2023-04-15T17:53:15.90
IV.SMA1.EHE. ML:0.7 0.000021436905 1.3952 AML other m 2023-04-15T17:53:17.00
IV.SMA1.EHN. ML:0.7 0.00001833535 0.9984 AML other m 2023-04-15T17:53:18.58
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