Earthquake with magnitude of ML 1.0 on date 26-07-2023 and time 14:27:29 (UTC) in region 6 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.0 earthquake occured in region: 6 km SE Castelsantangelo sul Nera (MC), on

  • 26-07-2023 14:27:29 (UTC)
  • 26-07-2023 16:27:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8670, 13.2100 at 3 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 6 281 281
Montemonaco AP 10 604 885
Ussita MC 10 444 1329
Montegallo AP 10 523 1852
Visso MC 12 1107 2959
Norcia PG 13 4957 7916
Arquata del Tronto AP 13 1178 9094
Montefortino FM 14 1178 10272
Preci PG 14 724 10996
Bolognola MC 14 142 11138
Amandola FM 17 3629 14767
Acquacanina MC 19 121 14888
Accumoli RI 19 667 15555
Fiastra MC 19 559 16114
Acquasanta Terme AP 20 2916 19030
Comunanza AP 20 3166 22196

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
47 Km NW of Teramo (54892 inhabitants)
57 Km NE of Terni (111501 inhabitants)
59 Km N of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
87 Km S of Ancona (100861 inhabitants)
93 Km W of Pescara (121014 inhabitants)
97 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 1.0 2023-07-26
14:27:29
42.8668 13.2103 3 2023-07-26
14:47:25
Sala Sismica INGV-Roma 119600281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-26 14:27:29 ± 0.11
Latitude 42.8668 ± 0.0036
Longitude 13.2103 ± 0.0037
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119600281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 420
Semi-minor axis of confidence ellipse (meter) 100
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 184
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.04407
Epicentral distance of station farthest from the epicenter (degree) 0.30217
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 119600281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-26 14:47:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2023-07-26T14:27:41.35 1.0 undecidable manual S 325 33.5442 95 -0.04 24
IV.MF5.EHZ. 2023-07-26T14:27:39.00 0.6 undecidable manual S 56 24.2535 97 0.79 39
IV.MML1.EHZ. 2023-07-26T14:27:36.44 0.1 undecidable manual P 325 33.5442 95 -0.02 95
IV.FDMO.HHZ. 2023-07-26T14:27:36.94 0.3 undecidable manual S 332 21.2676 98 -0.24 70
IV.MTRA.HNZ. 2023-07-26T14:27:36.84 0.6 undecidable manual S 129 19.4694 99 0.29 46
IV.MF5.EHZ. 2023-07-26T14:27:34.89 0.6 positive manual P 56 24.2535 97 0.27 46
IV.NRCA.HHZ. 2023-07-26T14:27:33.06 0.3 undecidable manual S 245 8.6802 109 0.17 72
IV.MMO1.EHZ. 2023-07-26T14:27:33.54 0.6 undecidable manual S 69 10.0788 106 0.16 48
IV.FDMO.HHZ. 2023-07-26T14:27:33.89 0.1 undecidable manual P 332 21.2676 98 -0.14 95
IV.MTRA.HNZ. 2023-07-26T14:27:33.45 0.6 undecidable manual P 129 19.4694 99 -0.22 47
IV.MC2.EHZ. 2023-07-26T14:27:32.19 0.6 undecidable manual S 341 5.1948 120 0.38 46
7F.SIB2.EHZ. 2023-07-26T14:27:32.50 0.3 undecidable manual S 71 8.0808 110 -0.2 72
7F.SIB1.EHZ. 2023-07-26T14:27:32.06 0.3 undecidable manual S 58 5.7942 117 0.09 74
7F.SIB3.EHZ. 2023-07-26T14:27:31.54 0.1 undecidable manual S 79 4.8951 121 -0.18 97
IV.NRCA.HHZ. 2023-07-26T14:27:31.55 0.1 positive manual P 245 8.6802 109 0 100
IV.MMO1.EHZ. 2023-07-26T14:27:31.80 0.1 undecidable manual P 69 10.0788 106 -0.03 99
IV.MC2.EHZ. 2023-07-26T14:27:31.01 0.1 undecidable manual P 341 5.1948 120 0.09 99
7F.SIB2.EHZ. 2023-07-26T14:27:31.27 0.3 undecidable manual P 71 8.0808 110 -0.17 73
7F.SIB1.EHZ. 2023-07-26T14:27:30.98 0.1 undecidable manual P 58 5.7942 117 -0.04 100
7F.SIB3.EHZ. 2023-07-26T14:27:30.72 0.1 undecidable manual P 79 4.8951 121 -0.16 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHN. ML:1.0 0.0001776064 0.3008 AML other m 2023-07-26T14:27:34.11
IV.NRCA.HHE. ML:0.0 0.0005170578 0.1408 AML other m 2023-07-26T14:27:33.21
IV.NRCA.HHN. ML:0.0 0.0007183077 0.1024 AML other m 2023-07-26T14:27:33.34
IV.MMO1.EHE. ML:1.0 0.00017518735 0.1344 AML other m 2023-07-26T14:27:34.70
IV.NRCA.HNE. ML:0.0 0.0004527882 0.16 AML other m 2023-07-26T14:27:33.21
IV.NRCA.HNN. ML:0.0 0.0007037573500000001 0.1088 AML other m 2023-07-26T14:27:33.34
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