Earthquake with magnitude of ML 1.3 on date 16-07-2023 and time 09:21:15 (Italy) in region 8 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.3 earthquake occured in region: 8 km SE Castelsantangelo sul Nera (MC), on

  • 16-07-2023 07:21:15 (UTC)
  • 16-07-2023 09:21:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8560, 13.2280 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 8 281 281
Montegallo AP 9 523 804
Montemonaco AP 10 604 1408
Arquata del Tronto AP 11 1178 2586
Ussita MC 12 444 3030
Norcia PG 13 4957 7987
Montefortino FM 14 1178 9165
Visso MC 14 1107 10272
Bolognola MC 16 142 10414
Preci PG 16 724 11138
Amandola FM 18 3629 14767
Acquasanta Terme AP 18 2916 17683
Accumoli RI 18 667 18350
Comunanza AP 19 3166 21516
Palmiano AP 20 196 21712
Acquacanina MC 20 121 21833

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
58 Km NE of Terni (111501 inhabitants)
58 Km N of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
88 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 1.3 2023-07-16
07:21:15
42.8555 13.2283 4 2023-07-16
07:39:38
Sala Sismica INGV-Roma 119306801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-16 07:21:15 ± 0.19
Latitude 42.8555 ± 0.0063
Longitude 13.2283 ± 0.0074
Depth (km) 4 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119306801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 695
Semi-minor axis of confidence ellipse (meter) 267
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 205
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31926
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 119306801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-16 07:39:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCIV.CHZ. 2023-07-16T07:21:56.81 3.0 undecidable manual S 3.35 0
TV.SF11.HHZ. 2023-07-16T07:21:53.66 3.0 undecidable manual S 0.33 0
IV.CING.HHZ. 2023-07-16T07:21:32.15 3.0 undecidable manual S -2.05 0
IV.PTQR.HHZ. 2023-07-16T07:21:29.20 3.0 undecidable manual P -2.21 0
IV.MML1.EHZ. 2023-07-16T07:21:27.77 0.6 undecidable manual S 324 35.4423 96 0 48
IV.CSP1.EHZ. 2023-07-16T07:21:24.80 0.3 undecidable manual S 356 26.2515 99 0.16 71
IV.MF5.EHZ. 2023-07-16T07:21:24.70 0.6 undecidable manual S 52 23.8539 100 0.89 38
IV.GUMA.HHE. 2023-07-16T07:21:24.95 0.3 undecidable manual S 21 24.5532 99 0.9 56
IV.CAMP.HHZ. 2023-07-16T07:21:23.06 3.0 undecidable manual P 0.76 0
IV.RM33.EHZ. 2023-07-16T07:21:23.33 3.0 positive manual P 1.16 0
IV.FDMO.HHE. 2023-07-16T07:21:23.65 0.3 undecidable manual S 330 23.1546 100 0.1 72
IV.MTRA.HNN. 2023-07-16T07:21:22.08 0.3 undecidable manual S 129 17.5713 103 0.42 68
IV.MML1.EHZ. 2023-07-16T07:21:21.84 0.3 undecidable manual P 324 35.4423 96 -0.71 60
IV.GUMA.HHE. 2023-07-16T07:21:20.29 0.3 undecidable manual P 21 24.5532 99 -0.11 72
IV.CSP1.EHZ. 2023-07-16T07:21:20.25 0.6 negative manual P 356 26.2515 99 -0.49 44
IV.MF5.EHZ. 2023-07-16T07:21:20.53 1.0 negative manual P 52 23.8539 100 0.27 23
IV.FDMO.HHE. 2023-07-16T07:21:19.67 0.1 undecidable manual P 330 23.1546 100 -0.44 90
IV.NRCA.HHZ. 2023-07-16T07:21:19.75 0.6 undecidable manual S 255 9.5793 113 0.73 41
7F.SIB2.EHZ. 2023-07-16T07:21:18.11 0.3 undecidable manual S 57 7.2927 119 -0.2 73
IV.MC2.EHE. 2023-07-16T07:21:18.98 0.6 undecidable manual S 333 6.993 120 0.77 41
IV.MTRA.HNN. 2023-07-16T07:21:18.98 0.3 undecidable manual P 129 17.5713 103 -0.04 74
IV.MMO1.EHZ. 2023-07-16T07:21:18.94 0.3 undecidable manual S 59 9.3795 113 -0.01 75
IV.NRCA.HHZ. 2023-07-16T07:21:17.62 1.0 undecidable manual P 255 9.5793 113 0.12 25
IV.MMO1.EHZ. 2023-07-16T07:21:17.37 1.0 negative manual P 59 9.3795 113 -0.09 25
IV.MC2.EHE. 2023-07-16T07:21:17.08 0.1 undecidable manual P 333 6.993 120 0.05 100
7F.SIB3.EHZ. 2023-07-16T07:21:17.07 0.3 undecidable manual S 57 3.996 135 -0.32 71
7F.SIB1.EHN. 2023-07-16T07:21:17.69 0.3 undecidable manual S 38 5.4945 126 -0.09 75
7F.SIB3.EHZ. 2023-07-16T07:21:16.36 0.1 undecidable manual P 57 3.996 135 -0.19 98
7F.SIB1.EHN. 2023-07-16T07:21:16.70 0.1 undecidable manual P 38 5.4945 126 -0.08 100
7F.SIB2.EHZ. 2023-07-16T07:21:16.90 0.1 undecidable manual P 57 7.2927 119 -0.18 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.4 0.000527 0.14 AML other m 2023-07-16T07:21:19.82
IV.NRCA.HNN. ML:1.4 0.000462 0.12 AML other m 2023-07-16T07:21:19.81
IV.NRCA.HHE. ML:1.4 0.00042591274999999996 0.2016 AML other m 2023-07-16T07:21:19.78
IV.NRCA.HNE. ML:1.4 0.00040410840000000006 0.1696 AML other m 2023-07-16T07:21:19.78
IV.MMO1.EHE. ML:0.9 0.00013734915 0.1216 AML other m 2023-07-16T07:21:19.04
IV.MMO1.EHN. ML:1.1 0.00021899999999999998 0.28 AML other m 2023-07-16T07:21:20.48
IV.MCIV.CHE. ML:1.6 0.000024599999999999998 0.66 AML other m 2023-07-16T07:21:54.66
IV.MMO1.HNE. ML:2.3 0.0035650535000000005 0.432 AML other m 2023-07-16T07:21:22.09
IV.CSP1.EHE. ML:1.1 0.000081186147 0.2208 AML other m 2023-07-16T07:21:26.52
IV.CSP1.EHN. ML:1.2 0.000093437915 0.2592 AML other m 2023-07-16T07:21:26.19
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download