Earthquake with magnitude of ML 0.9 on date 30-05-2023 and time 09:11:59 (Italy) in region 2 km NW Castelsantangelo sul Nera (MC)

A magnitude ML 0.9 earthquake occured in region: 2 km NW Castelsantangelo sul Nera (MC), on

  • 30-05-2023 07:11:59 (UTC)
  • 30-05-2023 09:11:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9150, 13.1420 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 2 281 281
Ussita MC 3 444 725
Visso MC 5 1107 1832
Preci PG 9 724 2556
Bolognola MC 11 142 2698
Acquacanina MC 13 121 2819
Fiastra MC 14 559 3378
Norcia PG 14 4957 8335
Fiordimonte MC 14 202 8537
Monte Cavallo MC 14 145 8682
Montemonaco AP 15 604 9286
Pieve Torina MC 16 1458 10744
Montefortino FM 17 1178 11922
Pievebovigliana MC 17 866 12788
Montegallo AP 18 523 13311
Sellano PG 18 1079 14390
Sarnano MC 19 3264 17654
Amandola FM 19 3629 21283

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
54 Km NW of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
65 Km E of Perugia (166134 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
94 Km W of Montesilvano (53738 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 0.9 2023-05-30
07:11:59
42.9153 13.1423 11 2023-05-30
07:19:53
Sala Sismica INGV-Roma 117872301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-30 07:11:59 ± 0.04
Latitude 42.9153 ± 0.0027
Longitude 13.1423 ± 0.0025
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 117872301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 323
Semi-minor axis of confidence ellipse (meter) 138
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 217
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.08274
Epicentral distance of station farthest from the epicenter (degree) 0.44696
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 117872301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-30 07:19:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2023-05-30T07:12:15.92 0.6 undecidable manual S 131 49.617 50 0.18 46
IV.TERO.HHZ. 2023-05-30T07:12:08.93 0.6 negative manual P 131 49.617 50 -0.16 46
IV.CESI.HHZ. 2023-05-30T07:12:08.16 0.6 undecidable manual S 297 21.7671 50 -0.12 48
IV.CSP1.EHZ. 2023-05-30T07:12:07.86 0.6 undecidable manual S 14 20.2686 50 -0.02 49
IT.MTCL.HGE. 2023-05-30T07:12:06.06 0.6 undecidable manual S 307 14.4744 127 -0.24 48
IV.FDMO.HHZ. 2023-05-30T07:12:06.10 0.6 undecidable manual S 342 14.1747 128 -0.1 49
7F.SIB3.EHE. 2023-05-30T07:12:05.36 0.3 undecidable manual S 113 11.2776 134 -0.09 74
IV.FEMA.HNE. 2023-05-30T07:12:05.10 0.6 undecidable manual S 305 9.1797 140 0.16 49
7F.SIB2.EHE. 2023-05-30T07:12:05.89 0.3 undecidable manual S 102 13.3755 129 -0.1 74
IV.CSP1.EHZ. 2023-05-30T07:12:04.57 0.1 undecidable manual P 14 20.2686 50 0.02 99
IV.NRCA.HHZ. 2023-05-30T07:12:04.86 0.3 undecidable manual S 194 9.3795 139 -0.13 74
IV.CESI.HHZ. 2023-05-30T07:12:04.73 0.1 negative manual P 297 21.7671 50 -0.05 98
IT.MTCL.HGE. 2023-05-30T07:12:03.60 0.1 undecidable manual P 307 14.4744 127 -0.04 100
IV.FDMO.HHZ. 2023-05-30T07:12:03.64 0.1 undecidable manual P 342 14.1747 128 0.06 99
7F.SIB2.EHE. 2023-05-30T07:12:03.49 0.1 undecidable manual P 102 13.3755 129 0.03 100
7F.SIB3.EHE. 2023-05-30T07:12:03.20 0.1 undecidable manual P 113 11.2776 134 0.05 100
IV.FEMA.HNE. 2023-05-30T07:12:03.10 0.1 undecidable manual P 305 9.1797 140 0.25 96
IV.NRCA.HHZ. 2023-05-30T07:12:02.96 0.1 undecidable manual P 194 9.3795 139 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.5 0.0004005 0.06 AML other m 2023-05-30T07:12:04.92
IV.NRCA.HHE. ML:1.3 0.0002346619 0.0992 AML other m 2023-05-30T07:12:05.00
IV.FDMO.HHN. ML:1.0 0.00008405 0.2 AML other m 2023-05-30T07:12:06.36
IV.FDMO.HHE. ML:0.8 0.00006191153 0.16 AML other m 2023-05-30T07:12:06.39
IV.CESI.HHE. ML:0.8 0.0000389 0.24 AML other m 2023-05-30T07:12:08.46
IV.CESI.HHN. ML:0.8 0.00003987926 0.0992 AML other m 2023-05-30T07:12:08.48
IV.NRCA.HNE. ML:1.3 0.00024512045 0.16 AML other m 2023-05-30T07:12:05.01
IV.NRCA.HNN. ML:1.5 0.00037217694999999994 0.08 AML other m 2023-05-30T07:12:04.92
IV.CSP1.EHE. ML:0.8 0.000045658715000000005 0.16 AML other m 2023-05-30T07:12:08.22
IV.CSP1.EHN. ML:0.8 0.000039987165 1.2 AML other m 2023-05-30T07:12:08.13
IV.TERO.HHE. ML:0.6 0.000008510359 0.4992 AML other m 2023-05-30T07:12:16.42
IV.TERO.HHN. ML:0.6 0.000009926516 0.1216 AML other m 2023-05-30T07:12:16.08
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