Earthquake with magnitude of ML 0.7 on date 29-07-2023 and time 01:01:56 (Italy) in region 2 km NW Castelsantangelo sul Nera (MC)

A magnitude ML 0.7 earthquake occured in region: 2 km NW Castelsantangelo sul Nera (MC), on

  • 28-07-2023 23:01:56 (UTC)
  • 29-07-2023 01:01:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9100, 13.1370 at 8 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 4 444 725
Visso MC 5 1107 1832
Preci PG 9 724 2556
Bolognola MC 12 142 2698
Norcia PG 13 4957 7655
Acquacanina MC 14 121 7776
Fiastra MC 14 559 8335
Monte Cavallo MC 14 145 8480
Fiordimonte MC 15 202 8682
Montemonaco AP 16 604 9286
Pieve Torina MC 17 1458 10744
Sellano PG 17 1079 11823
Montefortino FM 17 1178 13001
Pievebovigliana MC 18 866 13867
Montegallo AP 18 523 14390
Sarnano MC 20 3264 17654
Amandola FM 20 3629 21283
Arquata del Tronto AP 20 1178 22461

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)
85 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 0.7 2023-07-28
23:01:56
42.9098 13.1367 8 2023-07-28
23:43:01
Sala Sismica INGV-Roma 119669541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-28 23:01:56 ± 0.2
Latitude 42.9098 ± 0.0045
Longitude 13.1367 ± 0.0061
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119669541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 448
Semi-minor axis of confidence ellipse (meter) 293
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 89
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24911
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 119669541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-28 23:43:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2023-07-28T23:02:18.37 3.0 undecidable manual S -0.02 0
IV.MF5.EHZ. 2023-07-28T23:02:07.25 0.3 undecidable manual S 72 27.6501 107 0.37 67
IV.CSP1.EHZ. 2023-07-28T23:02:04.32 0.1 undecidable manual S 15 20.9679 112 -0.37 91
IV.FDMO.HHZ. 2023-07-28T23:02:02.99 0.3 undecidable manual S 344 14.5743 120 0.28 70
IV.MF5.EHZ. 2023-07-28T23:02:02.58 0.1 undecidable manual P 72 27.6501 107 -0.07 95
IV.MML1.EHZ. 2023-07-28T23:02:02.30 0.3 undecidable manual P 329 26.2515 108 -0.09 71
IV.MMO1.EHZ. 2023-07-28T23:02:02.88 0.1 undecidable manual S 94 15.4734 118 -0.1 97
IV.GUMA.HHZ. 2023-07-28T23:02:01.97 0.1 undecidable manual P 43 23.3544 110 0.12 95
IV.NRCA.HHZ. 2023-07-28T23:02:01.05 0.1 undecidable manual S 192 8.6802 134 0 100
IV.CSP1.EHZ. 2023-07-28T23:02:01.35 0.1 undecidable manual P 15 20.9679 112 -0.03 97
IV.MMO1.EHZ. 2023-07-28T23:02:00.35 0.1 undecidable manual P 94 15.4734 118 -0.05 98
IV.FDMO.HHZ. 2023-07-28T23:02:00.34 0.1 undecidable manual P 344 14.5743 120 0.1 97
IV.NRCA.HHZ. 2023-07-28T23:01:59.25 0.1 undecidable manual P 192 8.6802 134 -0.03 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.2 0.0002495 0.08 AML other m 2023-07-28T23:02:01.10
IV.NRCA.HHE. ML:0.9 0.000129 0.98 AML other m 2023-07-28T23:02:01.20
IV.MMO1.EHN. ML:0.6 0.0000366 0.52 AML other m 2023-07-28T23:02:03.21
IV.FDMO.HHN. ML:0.6 0.0000446 0.3 AML other m 2023-07-28T23:02:03.29
IV.FDMO.HHE. ML:0.5 0.000031 0.32 AML other m 2023-07-28T23:02:03.30
IV.MMO1.EHE. ML:0.5 0.000028999999999999997 0.16 AML other m 2023-07-28T23:02:03.84
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