Earthquake with magnitude of ML 0.5 on date 15-09-2023 and time 22:14:25 (Italy) in region 5 km E Castelsantangelo sul Nera (MC)

A magnitude ML 0.5 earthquake occured in region: 5 km E Castelsantangelo sul Nera (MC), on

  • 15-09-2023 20:14:25 (UTC)
  • 15-09-2023 22:14:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9090, 13.2090 at 4 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
Ussita MC 7 444 725
Montemonaco AP 10 604 1329
Bolognola MC 10 142 1471
Visso MC 10 1107 2578
Montefortino FM 12 1178 3756
Montegallo AP 13 523 4279
Acquacanina MC 14 121 4400
Preci PG 14 724 5124
Amandola FM 14 3629 8753
Fiastra MC 15 559 9312
Norcia PG 16 4957 14269
Sarnano MC 16 3264 17533
Arquata del Tronto AP 17 1178 18711
Fiordimonte MC 17 202 18913
Comunanza AP 18 3166 22079
Monte Cavallo MC 19 145 22224
Pieve Torina MC 20 1458 23682
Pievebovigliana MC 20 866 24548

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
49 Km NW of Teramo (54892 inhabitants)
60 Km NE of Terni (111501 inhabitants)
64 Km N of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
89 Km NW of Montesilvano (53738 inhabitants)
96 Km NW of Pescara (121014 inhabitants)
100 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 0.5 2023-09-15
20:14:25
42.9093 13.209 5 2023-09-15
20:52:01
Sala Sismica INGV-Roma 121088791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-15 20:14:25 ± 0.09
Latitude 42.9093 ± 0.0027
Longitude 13.2090 ± 0.0025
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121088791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 297
Semi-minor axis of confidence ellipse (meter) 118
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 37
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26800
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 121088791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-15 20:52:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.PALA.HHZ. 2023-09-15T20:16:07.85 3.0 undecidable manual Sg 22.23 0
SL.KOGS.BHZ. 2023-09-15T20:16:07.62 3.0 undecidable manual Sn 19.49 0
IV.FREG.EHZ. 2023-09-15T20:15:23.22 3.0 undecidable manual Pg 20.41 0
IV.IVPL.HHZ. 2023-09-15T20:15:22.33 3.0 undecidable manual Pg 9.08 0
IV.CAFI.HHZ. 2023-09-15T20:15:09.64 3.0 undecidable manual Sg 2.11 0
IV.MCRV.HHZ. 2023-09-15T20:15:03.99 3.0 undecidable manual Sn -1.32 0
IV.MML1.EHZ. 2023-09-15T20:14:35.52 0.3 undecidable manual S 320 29.748 99 -0.25 68
IV.SGG.HHZ. 2023-09-15T20:14:34.11 3.0 negative manual P 1.73 0
IV.CSP1.EHZ. 2023-09-15T20:14:32.71 0.6 undecidable manual S 359 20.2686 103 0.17 47
IV.MML1.EHZ. 2023-09-15T20:14:31.21 1.0 undecidable manual P 320 29.748 99 -0.16 23
IV.FDMO.HHZ. 2023-09-15T20:14:31.53 0.6 undecidable manual S 325 17.2716 105 0.01 49
IV.MMO1.EHZ. 2023-09-15T20:14:29.10 0.6 undecidable manual S 97 9.6792 115 0.06 49
IV.CSP1.EHZ. 2023-09-15T20:14:29.22 1.0 undecidable manual P 359 20.2686 103 -0.28 23
IV.NRCA.HHZ. 2023-09-15T20:14:29.74 0.6 undecidable manual S 223 11.3775 112 0.14 48
IV.GUMA.HHZ. 2023-09-15T20:14:29.80 0.6 undecidable manual P 31 19.869 103 0.37 45
IV.FDMO.HHZ. 2023-09-15T20:14:28.82 1.0 positive manual P 325 17.2716 105 -0.09 24
7F.SIB2.EHZ. 2023-09-15T20:14:28.37 0.6 undecidable manual S 105 7.9809 120 -0.16 48
IV.NRCA.HHZ. 2023-09-15T20:14:27.85 0.1 negative manual P 223 11.3775 112 0.05 98
7F.SIB2.EHZ. 2023-09-15T20:14:27.20 0.1 undecidable manual P 105 7.9809 120 0.02 99
7F.SIB3.EHZ. 2023-09-15T20:14:27.73 0.6 undecidable manual S 127 6.2937 126 -0.29 47
IV.MC2.EHE. 2023-09-15T20:14:27.12 0.6 undecidable manual S 278 1.5984 160 0.1 49
IV.MMO1.EHZ. 2023-09-15T20:14:27.55 0.6 undecidable manual P 97 9.6792 115 0.07 49
7F.SIB1.EHN. 2023-09-15T20:14:27.75 0.6 undecidable manual S 108 5.1948 131 0.01 50
7F.SIB1.EHN. 2023-09-15T20:14:26.82 0.1 undecidable manual P 108 5.1948 131 0.09 98
7F.SIB3.EHZ. 2023-09-15T20:14:26.77 0.1 undecidable manual P 127 6.2937 126 -0.12 97
IV.MC2.EHE. 2023-09-15T20:14:26.32 0.1 undecidable manual P 278 1.5984 160 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHN. ML:0.6 0.00006635 0.92 AML other m 2023-09-15T20:14:29.36
IV.MMO1.EHE. ML:0.4 0.000043950000000000004 1.32 AML other m 2023-09-15T20:14:29.99
IV.NRCA.HHE. ML:1.0 0.000169 0.1 AML other m 2023-09-15T20:14:30.31
IV.NRCA.HHN. ML:0.7 0.00006759999999999999 0.72 AML other m 2023-09-15T20:14:30.50
IV.FDMO.HHE. ML:0.0 0.000011550000000000001 0.16 AML other m 2023-09-15T20:14:32.13
IV.FDMO.HHN. ML:0.0 0.0000111 1.4 AML other m 2023-09-15T20:14:34.82
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