Earthquake with magnitude of ML 1.1 on date 12-07-2023 and time 02:42:20 (Italy) in region 5 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.1 earthquake occured in region: 5 km SE Castelsantangelo sul Nera (MC), on

  • 12-07-2023 00:42:20 (UTC)
  • 12-07-2023 02:42:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8620, 13.1990 at 6 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 10 444 725
Montegallo AP 11 523 1248
Montemonaco AP 11 604 1852
Norcia PG 12 4957 6809
Visso MC 12 1107 7916
Arquata del Tronto AP 13 1178 9094
Preci PG 13 724 9818
Montefortino FM 15 1178 10996
Bolognola MC 15 142 11138
Amandola FM 19 3629 14767
Accumoli RI 19 667 15434
Acquacanina MC 19 121 15555
Fiastra MC 20 559 16114

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
59 Km N of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
94 Km W of Pescara (121014 inhabitants)
98 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 1.1 2023-07-12
00:42:20
42.8618 13.1987 6 2023-07-12
01:13:13
Sala Sismica INGV-Roma 119183641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-12 00:42:20 ± 0.2
Latitude 42.8618 ± 0.0036
Longitude 13.1987 ± 0.0086
Depth (km) 6 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119183641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 627
Semi-minor axis of confidence ellipse (meter) 309
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 276
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35253
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 119183641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-12 01:13:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGG.HHZ. 2023-07-12T00:43:13.22 3.0 undecidable manual Sn -0.68 0
IV.ARVD.HHZ. 2023-07-12T00:42:44.75 3.0 undecidable manual S 0.03 0
IV.CING.HHZ. 2023-07-12T00:42:39.66 3.0 undecidable manual S -0.26 0
IV.ATFO.HHZ. 2023-07-12T00:42:36.64 3.0 undecidable manual P 2.37 0
IV.RM33.EHZ. 2023-07-12T00:42:34.28 0.6 undecidable manual S 178 39.1275 99 -0.12 48
IV.LNSS.HHZ. 2023-07-12T00:42:32.47 0.6 undecidable manual S 204 31.5462 101 0.7 41
IV.CING.HHZ. 2023-07-12T00:42:31.18 3.0 undecidable manual P -0.15 0
IV.MF5.EHZ. 2023-07-12T00:42:30.27 0.6 undecidable manual S 57 25.3524 103 0.57 44
IV.SMA1.EHZ. 2023-07-12T00:42:30.54 0.6 undecidable manual S 157 27.9498 102 -0.03 49
IV.ASSB.HHZ. 2023-07-12T00:42:29.62 3.0 undecidable manual P 0.01 0
IV.CSP1.EHZ. 2023-07-12T00:42:29.60 0.6 undecidable manual S 1 25.5522 103 -0.13 49
IV.OFFI.HHZ. 2023-07-12T00:42:29.29 3.0 negative manual P 0.52 0
IV.GUMA.HHZ. 2023-07-12T00:42:29.87 0.6 undecidable manual S 26 24.8529 103 0.35 46
IV.MNTT.EHZ. 2023-07-12T00:42:28.89 3.0 negative manual P 0.35 0
IV.RM33.EHZ. 2023-07-12T00:42:28.25 1.0 undecidable manual P 178 39.1275 99 -0.34 23
IV.FDMO.HHZ. 2023-07-12T00:42:28.35 0.6 undecidable manual S 335 21.3675 105 0.01 50
IV.TERO.HHZ. 2023-07-12T00:42:28.38 3.0 positive manual P -0.6 0
IV.LNSS.HHZ. 2023-07-12T00:42:27.24 1.0 negative manual P 204 31.5462 101 0.17 24
IV.SMA1.EHZ. 2023-07-12T00:42:26.20 0.1 undecidable manual P 157 27.9498 102 -0.18 96
IV.CSP1.EHZ. 2023-07-12T00:42:25.51 1.0 positive manual P 1 25.5522 103 -0.38 23
IV.GUMA.HHZ. 2023-07-12T00:42:25.77 0.3 positive manual P 26 24.8529 103 0 75
IV.MF5.EHZ. 2023-07-12T00:42:25.96 0.6 positive manual P 57 25.3524 103 0.09 49
IV.MMO1.EHZ. 2023-07-12T00:42:24.83 0.6 undecidable manual S 68 11.1777 118 -0.22 49
IV.FDMO.HHZ. 2023-07-12T00:42:24.89 0.6 positive manual P 335 21.3675 105 -0.2 48
IV.MMO1.EHZ. 2023-07-12T00:42:23.08 0.1 positive manual P 68 11.1777 118 -0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHE. ML:1.4 0.00040300000000000004 1.36 AML other m 2023-07-12T00:42:26.12
IV.MMO1.EHN. ML:1.2 0.0002445 1.44 AML other m 2023-07-12T00:42:26.21
IV.FDMO.HHN. ML:0.9 0.00006125 1.8 AML other m 2023-07-12T00:42:29.05
IV.GUMA.HHE. ML:1.5 0.000201 0.6 AML other m 2023-07-12T00:42:30.07
IV.GUMA.HHN. ML:1.5 0.00019350000000000001 1.36 AML other m 2023-07-12T00:42:30.84
IV.FDMO.HHE. ML:0.9 0.00006165 0.26 AML other m 2023-07-12T00:42:31.61
IV.LNSS.HHE. ML:1.2 0.00007869999999999999 0.3 AML other m 2023-07-12T00:42:32.86
IV.LNSS.HHN. ML:1.2 0.0000856 0.28 AML other m 2023-07-12T00:42:32.73
IV.SMA1.EHN. ML:1.0 0.000060899999999999996 0.52 AML other m 2023-07-12T00:42:33.67
IV.TERO.HHN. ML:1.4 0.0000747 1.68 AML other m 2023-07-12T00:42:34.95
IV.TERO.HHE. ML:1.1 0.0000463 1.78 AML other m 2023-07-12T00:42:34.06
IV.RM33.EHN. ML:1.0 0.00003395 0.3 AML other m 2023-07-12T00:42:35.71
IV.SMA1.EHE. ML:1.0 0.0000584 1.46 AML other m 2023-07-12T00:42:35.96
IV.RM33.EHE. ML:1.0 0.0000362 0.46 AML other m 2023-07-12T00:42:37.44
IV.ASSB.HHN. ML:1.0 0.0000247 1.24 AML other m 2023-07-12T00:42:38.18
IV.ASSB.HHE. ML:1.0 0.000024550000000000004 1.34 AML other m 2023-07-12T00:42:39.31
IV.CING.HHE. ML:1.0 0.000018849999999999997 0.42 AML other m 2023-07-12T00:42:41.14
IV.CING.HHN. ML:1.0 0.00001845 1.22 AML other m 2023-07-12T00:42:41.32
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