Earthquake with magnitude of ML 1.0 on date 28-07-2023 and time 17:59:34 (Italy) in region 4 km W Castelsantangelo sul Nera (MC)

A magnitude ML 1.0 earthquake occured in region: 4 km W Castelsantangelo sul Nera (MC), on

  • 28-07-2023 15:59:34 (UTC)
  • 28-07-2023 17:59:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8820, 13.1140 at 9 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 4 281 281
Visso MC 6 1107 1388
Preci PG 6 724 2112
Ussita MC 7 444 2556
Norcia PG 10 4957 7513
Sellano PG 15 1079 8592
Monte Cavallo MC 16 145 8737
Bolognola MC 16 142 8879
Acquacanina MC 17 121 9000
Montemonaco AP 18 604 9604
Fiordimonte MC 18 202 9806
Cerreto di Spoleto PG 18 1075 10881
Fiastra MC 18 559 11440
Montegallo AP 18 523 11963
Pieve Torina MC 19 1458 13421
Arquata del Tronto AP 19 1178 14599
Montefortino FM 20 1178 15777
Cascia PG 20 3217 18994

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
54 Km W of Teramo (54892 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
64 Km E of Perugia (166134 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
97 Km NE of Viterbo (67173 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 1.0 2023-07-28
15:59:34
42.8817 13.1145 9 2023-07-28
16:29:55
Sala Sismica INGV-Roma 119658441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-28 15:59:34 ± 0.04
Latitude 42.8817 ± 0.0018
Longitude 13.1145 ± 0.0025
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119658441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 208
Semi-minor axis of confidence ellipse (meter) 131
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 208
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 32
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44247
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 119658441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-28 16:29:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FREG.EHZ. 2023-07-28T16:01:14.91 3.0 undecidable manual Sg 11.57 0
MN.TRI.HHZ. 2023-07-28T16:01:00.53 3.0 undecidable manual Sg 5.09 0
IV.EPOZ.HHZ. 2023-07-28T16:00:55.74 3.0 positive manual Pn 0.23 0
GU.GBOS.HHZ. 2023-07-28T16:00:49.66 3.0 undecidable manual Pg 12.82 0
CH.MUGIO.HHZ. 2023-07-28T16:00:46.68 3.0 undecidable manual Pg 8 0
IV.SARZ.HHZ. 2023-07-28T16:00:39.46 3.0 undecidable manual Pg 8.73 0
IV.VENT.EHZ. 2023-07-28T16:00:38.32 3.0 undecidable manual Sg 0.97 0
IV.STAL.HNZ. 2023-07-28T16:00:33.32 3.0 undecidable manual Pg 6.18 0
IV.MOCL.EHZ. 2023-07-28T16:00:30.48 3.0 undecidable manual Sg 0.41 0
OX.MPRI.HHZ. 2023-07-28T16:00:26.29 3.0 undecidable manual Pn -0.42 0
IV.MRLC.HHZ. 2023-07-28T16:00:18.09 3.0 positive manual Pn -0.6 0
IV.MCRV.HHZ. 2023-07-28T16:00:15.11 3.0 undecidable manual Pn -1.29 0
IV.RIBO.EHZ.01 2023-07-28T16:00:03.21 3.0 undecidable manual P 1.28 0
IV.SGG.HHZ. 2023-07-28T16:00:03.56 3.0 undecidable manual Pg -1.42 0
IV.LPEL.HHZ. 2023-07-28T15:59:55.23 3.0 negative manual Pg -1.23 0
IV.SACS.HHZ. 2023-07-28T15:59:51.85 3.0 undecidable manual P -0.68 0
IV.TERO.HHZ. 2023-07-28T15:59:50.36 0.6 undecidable manual S 126 49.1175 50 0.02 46
IV.ASSB.HHZ. 2023-07-28T15:59:47.98 0.6 undecidable manual S 296 41.1255 50 -0.21 45
IV.ARVD.HHZ. 2023-07-28T15:59:46.15 3.0 undecidable manual Pg -1.05 0
IV.GAVE.EHE. 2023-07-28T15:59:44.58 0.6 undecidable manual S 221 27.6501 107 0.3 45
IV.MML1.EHZ. 2023-07-28T15:59:44.46 0.6 undecidable manual S 336 28.2495 107 -0.01 48
IV.GUMA.HHZ. 2023-07-28T15:59:44.49 0.6 undecidable manual S 42 26.9508 108 0.44 44
IV.CSP1.EHZ. 2023-07-28T15:59:43.23 0.6 undecidable manual S 17 24.4533 110 0 48
IV.TERO.HHZ. 2023-07-28T15:59:43.25 0.1 undecidable manual P 126 49.1175 50 -0.28 88
IV.ASSB.HHZ. 2023-07-28T15:59:42.64 0.6 negative manual P 296 41.1255 50 0.35 44
IV.CESI.HHE. 2023-07-28T15:59:42.45 0.6 undecidable manual S 309 21.867 112 0.06 48
IV.SMA1.EHZ. 2023-07-28T15:59:41.09 1.0 negative manual P 147 33.1446 50 0.02 24
IV.MF5.EHZ. 2023-07-28T15:59:41.03 0.6 positive manual P 67 30.4473 106 0.46 44
7F.SIB2.EHN. 2023-07-28T15:59:40.37 0.6 undecidable manual S 86 15.4734 119 0 49
IT.MTCL.HGN. 2023-07-28T15:59:40.30 0.6 undecidable manual S 323 15.5733 119 -0.12 48
IV.MMO1.EHZ. 2023-07-28T15:59:40.78 0.6 undecidable manual S 83 17.3715 117 -0.19 47
IV.GAVE.EHE. 2023-07-28T15:59:40.09 0.1 undecidable manual P 221 27.6501 107 0.05 95
IV.FDMO.HHE. 2023-07-28T15:59:40.74 0.6 undecidable manual S 353 17.2716 117 -0.22 47
IV.GUMA.HHZ. 2023-07-28T15:59:39.88 0.1 undecidable manual P 42 26.9508 108 -0.02 96
IV.CESI.HHE. 2023-07-28T15:59:39.03 0.1 undecidable manual P 309 21.867 112 0.09 96
7F.SIB1.EHZ. 2023-07-28T15:59:39.74 0.6 undecidable manual S 83 12.6762 124 0.16 48
IV.CSP1.EHZ. 2023-07-28T15:59:39.27 0.1 undecidable manual P 17 24.4533 110 -0.16 94
IV.MML1.EHZ. 2023-07-28T15:59:39.99 1.0 negative manual P 336 28.2495 107 -0.16 23
IV.MMO1.EHZ. 2023-07-28T15:59:38.26 0.1 undecidable manual P 83 17.3715 117 0.14 96
IV.FDMO.HHE. 2023-07-28T15:59:38.06 0.1 undecidable manual P 353 17.2716 117 -0.06 97
IV.FEMA.HNN. 2023-07-28T15:59:38.95 0.6 undecidable manual S 330 10.3785 130 0.03 49
IV.MC2.EHE. 2023-07-28T15:59:38.02 0.6 undecidable manual S 61 6.8931 142 -0.06 49
IV.NRCA.HHZ. 2023-07-28T15:59:37.38 0.6 undecidable manual S 180 5.2947 148 -0.39 46
7F.SIB2.EHN. 2023-07-28T15:59:37.68 0.1 undecidable manual P 86 15.4734 119 -0.1 97
IT.MTCL.HGN. 2023-07-28T15:59:37.77 0.1 undecidable manual P 323 15.5733 119 -0.04 98
7F.SIB1.EHZ. 2023-07-28T15:59:37.36 0.1 undecidable manual P 83 12.6762 124 0.04 98
IV.FEMA.HNN. 2023-07-28T15:59:37.01 0.1 undecidable manual P 330 10.3785 130 0.07 98
IV.MC2.EHE. 2023-07-28T15:59:36.43 0.1 undecidable manual P 61 6.8931 142 -0.03 100
IV.NRCA.HHZ. 2023-07-28T15:59:36.29 0.1 undecidable manual P 180 5.2947 148 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.9 0.0015286255 0.1024 AML other m 2023-07-28T15:59:37.65
IV.NRCA.HHN. ML:1.8 0.0011549999999999998 0.18 AML other m 2023-07-28T15:59:37.63
IV.CSP1.EHE. ML:1.2 0.00008987027 0.128 AML other m 2023-07-28T15:59:43.99
IV.MML1.EHN. ML:0.9 0.0000455 0.2 AML other m 2023-07-28T15:59:45.56
IV.MML1.EHE. ML:0.8 0.00003505 0.8 AML other m 2023-07-28T15:59:46.72
IV.GUMA.HHE. ML:1.2 0.000087054565 0.2944 AML other m 2023-07-28T15:59:45.24
IV.CSP1.EHN. ML:1.1 0.00008434848999999999 0.2304 AML other m 2023-07-28T15:59:46.90
IV.GUMA.HHN. ML:1.2 0.000086242025 0.32 AML other m 2023-07-28T15:59:47.62
IV.SMA1.EHN. ML:0.8 0.000024599999999999998 0.56 AML other m 2023-07-28T15:59:49.42
IV.SMA1.EHE. ML:0.7 0.000019266315 0.2688 AML other m 2023-07-28T15:59:50.78
IV.ASSB.HHE. ML:0.8 0.000018323249999999998 0.1664 AML other m 2023-07-28T15:59:50.70
IV.ASSB.HHN. ML:0.8 0.000018613040000000002 0.1024 AML other m 2023-07-28T15:59:48.93
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