Earthquake with magnitude of ML 0.8 on date 26-05-2023 and time 11:28:25 (Italy) in region 3 km SW Visso (MC)

A magnitude ML 0.8 earthquake occured in region: 3 km SW Visso (MC), on

  • 26-05-2023 09:28:25 (UTC)
  • 26-05-2023 11:28:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9170, 13.0630 at 7 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
Visso MC 3 1107 1107
Preci PG 5 724 1831
Ussita MC 7 444 2275
Castelsantangelo sul Nera MC 8 281 2556
Monte Cavallo MC 10 145 2701
Sellano PG 11 1079 3780
Fiordimonte MC 14 202 3982
Norcia PG 14 4957 8939
Pieve Torina MC 14 1458 10397
Fiastra MC 15 559 10956
Acquacanina MC 16 121 11077
Bolognola MC 16 142 11219
Cerreto di Spoleto PG 16 1075 12294
Pievebovigliana MC 16 866 13160
Muccia MC 19 915 14075
Serravalle di Chienti MC 20 1070 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
59 Km E of Perugia (166134 inhabitants)
60 Km W of Teramo (54892 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
96 Km NE of Viterbo (67173 inhabitants)
99 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 0.8 2023-05-26
09:28:25
42.9167 13.0627 7 2023-05-26
10:08:03
Sala Sismica INGV-Roma 117738111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-26 09:28:25 ± 0.14
Latitude 42.9167 ± 0.0045
Longitude 13.0627 ± 0.0074
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117738111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 679
Semi-minor axis of confidence ellipse (meter) 67
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 46
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
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) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.04676
Epicentral distance of station farthest from the epicenter (degree) 0.64931
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:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 117738111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-26 10:08:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2023-05-26T09:28:39.03 0.6 positive manual P 338 72.0723 50 0.55 40
IV.CSP1.EHZ. 2023-05-26T09:28:33.66 0.6 undecidable manual S 31 22.5552 107 0.04 50
7F.SIB2.EHZ. 2023-05-26T09:28:32.58 0.6 undecidable manual S 98 19.7691 109 -0.11 49
7F.SIB3.EHZ. 2023-05-26T09:28:32.05 0.6 undecidable manual S 105 17.4714 111 0.12 49
IV.CESI.HHZ. 2023-05-26T09:28:31.26 0.6 undecidable manual S 307 16.1727 113 -0.25 48
IV.FDMO.HHZ. 2023-05-26T09:28:30.69 0.6 undecidable manual S 9 13.4754 117 0.03 50
IV.MML1.EHZ. 2023-05-26T09:28:30.55 0.1 undecidable manual P 341 23.0547 107 0.31 94
IV.NRCA.HHZ. 2023-05-26T09:28:29.83 0.6 undecidable manual S 155 10.0788 124 0.17 49
IT.MTCL.HGZ. 2023-05-26T09:28:29.73 0.6 undecidable manual S 329 9.9789 124 0.1 50
7F.SIB2.EHZ. 2023-05-26T09:28:29.27 0.1 undecidable manual P 98 19.7691 109 -0.35 93
IV.CSP1.EHZ. 2023-05-26T09:28:29.89 0.6 positive manual P 31 22.5552 107 -0.26 47
7F.SIB3.EHZ. 2023-05-26T09:28:29.35 0.1 undecidable manual P 105 17.4714 111 0.17 97
IV.FDMO.HHZ. 2023-05-26T09:28:28.36 0.1 undecidable manual P 9 13.4754 117 -0.09 100
IV.CESI.HHZ. 2023-05-26T09:28:28.75 0.1 positive manual P 307 16.1727 113 -0.19 97
IV.FEMA.HNZ. 2023-05-26T09:28:28.83 0.3 undecidable manual S 348 5.1948 143 0.43 70
IV.NRCA.HHZ. 2023-05-26T09:28:27.97 0.1 negative manual P 155 10.0788 124 0.1 100
IT.MTCL.HGZ. 2023-05-26T09:28:27.71 0.1 undecidable manual P 329 9.9789 124 -0.14 99
IV.FEMA.HNZ. 2023-05-26T09:28:26.72 0.3 undecidable manual P 348 5.1948 143 -0.42 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.8 0.00009415 0.16 AML other m 2023-05-26T09:28:30.08
IV.NRCA.HHE. ML:0.8 0.0000886 0.12 AML other m 2023-05-26T09:28:30.13
IV.CESI.HHE. ML:0.6 0.00004035 0.36 AML other m 2023-05-26T09:28:31.63
IV.CESI.HHN. ML:0.6 0.00004085 0.18 AML other m 2023-05-26T09:28:31.58
IV.FRON.EHE. ML:1.4 0.000038100000000000005 1.92 AML other m 2023-05-26T09:28:40.00
IV.FRON.EHN. ML:1.7 0.00007630000000000001 0.66 AML other m 2023-05-26T09:28:40.19
IV.CSP1.EHE. ML:0.7 0.0000372444025 0.4992 AML other m 2023-05-26T09:28:37.53
IV.CSP1.EHN. ML:0.8 0.0000404503 0.2432 AML other m 2023-05-26T09:28:33.83
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