Earthquake with magnitude of ML 1.4 on date 23-06-2023 and time 10:57:44 (Italy) in region 3 km NE Castelsantangelo sul Nera (MC)

A magnitude ML 1.4 earthquake occured in region: 3 km NE Castelsantangelo sul Nera (MC), on

  • 23-06-2023 08:57:44 (UTC)
  • 23-06-2023 10:57:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9170, 13.1770 at 11 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 3 281 281
Ussita MC 4 444 725
Visso MC 7 1107 1832
Bolognola MC 10 142 1974
Preci PG 12 724 2698
Montemonaco AP 12 604 3302
Acquacanina MC 13 121 3423
Fiastra MC 13 559 3982
Montefortino FM 14 1178 5160
Fiordimonte MC 15 202 5362
Montegallo AP 15 523 5885
Norcia PG 15 4957 10842
Amandola FM 16 3629 14471
Monte Cavallo MC 17 145 14616
Sarnano MC 17 3264 17880
Pieve Torina MC 18 1458 19338
Pievebovigliana MC 18 866 20204
Arquata del Tronto AP 19 1178 21382
Comunanza AP 20 3166 24548

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
52 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
65 Km N of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
99 Km NW 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
Reviewed
Rev100
ML 1.4 2023-06-23
08:57:44
42.9172 13.177 11 2023-06-23
09:02:19
Sala Sismica INGV-Roma 118657151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-23 08:57:44 ± 0.04
Latitude 42.9172 ± 0.0036
Longitude 13.1770 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118657151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 350
Semi-minor axis of confidence ellipse (meter) 260
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 185
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
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) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.07195
Epicentral distance of station farthest from the epicenter (degree) 0.40919
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:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 118657151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-23 09:02:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2023-06-23T08:57:59.24 0.6 undecidable manual S 288 44.3223 50 0.13 46
IV.RM33.EHZ. 2023-06-23T08:57:59.32 0.6 undecidable manual S 176 45.4212 50 -0.08 47
IV.MF5.EHZ. 2023-06-23T08:57:54.13 0.6 undecidable manual S 71 24.2535 50 0.37 46
IV.CESI.HHZ. 2023-06-23T08:57:53.88 0.6 undecidable manual S 294 24.1536 50 0.15 48
IV.GUMA.HHZ. 2023-06-23T08:57:52.87 0.6 undecidable manual S 38 20.6682 117 0.09 49
IV.ASSB.HHZ. 2023-06-23T08:57:52.67 0.6 undecidable manual P 288 44.3223 50 -0.36 44
IV.RM33.EHZ. 2023-06-23T08:57:52.90 1.0 negative manual P 176 45.4212 50 -0.3 22
IV.FDMO.HHZ. 2023-06-23T08:57:51.13 0.6 undecidable manual S 331 15.0738 125 0 50
IV.NRCA.HHZ. 2023-06-23T08:57:50.14 0.6 undecidable manual S 209 10.5783 135 0.21 48
IV.MMO1.HNE. 2023-06-23T08:57:50.26 0.6 undecidable manual S 99 12.3765 131 -0.11 49
IV.CESI.HHZ. 2023-06-23T08:57:49.84 0.1 positive manual P 294 24.1536 50 -0.09 97
7F.SIB2.EHE. 2023-06-23T08:57:49.76 0.6 undecidable manual S 106 10.6782 135 -0.2 48
IV.MF5.EHZ. 2023-06-23T08:57:49.94 0.6 positive manual P 71 24.2535 50 0 49
7F.SIB1.EHE. 2023-06-23T08:57:49.71 0.6 undecidable manual S 108 7.9809 143 0.38 47
IV.GUMA.HHZ. 2023-06-23T08:57:49.38 0.6 negative manual P 38 20.6682 117 0.01 50
7F.SIB3.EHE. 2023-06-23T08:57:49.45 0.6 undecidable manual S 122 8.88 140 -0.08 50
IV.FDMO.HHZ. 2023-06-23T08:57:48.36 0.1 undecidable manual P 331 15.0738 125 -0.07 99
IV.MMO1.HNE. 2023-06-23T08:57:47.85 0.1 undecidable manual P 99 12.3765 131 -0.14 98
7F.SIB3.EHE. 2023-06-23T08:57:47.44 0.1 undecidable manual P 122 8.88 140 -0.06 100
7F.SIB2.EHE. 2023-06-23T08:57:47.63 0.1 undecidable manual P 106 10.6782 135 -0.12 99
IV.NRCA.HHZ. 2023-06-23T08:57:47.88 0.1 undecidable manual P 209 10.5783 135 0.15 98
7F.SIB1.EHE. 2023-06-23T08:57:47.55 0.1 undecidable manual P 108 7.9809 143 0.17 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.6 0.0004995 0.1 AML other m 2023-06-23T08:57:51.34
IV.NRCA.HHE. ML:1.5 0.00034550000000000005 0.58 AML other m 2023-06-23T08:57:51.39
IV.GUMA.HHE. ML:1.8 0.0004365 0.26 AML other m 2023-06-23T08:57:53.21
IV.GUMA.HHN. ML:1.6 0.000268 0.32 AML other m 2023-06-23T08:57:53.71
IV.CESI.HHN. ML:1.3 0.00011649999999999999 0.22 AML other m 2023-06-23T08:57:54.24
IV.CESI.HHE. ML:1.2 0.00008269999999999999 0.3 AML other m 2023-06-23T08:57:54.24
IV.RM33.EHN. ML:1.1 0.0000327 1.34 AML other m 2023-06-23T08:58:00.84
IV.RM33.EHE. ML:1.1 0.00003315 1.44 AML other m 2023-06-23T08:58:00.96
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