Earthquake with magnitude of ML 0.5 on date 26-05-2023 and time 18:53:21 (UTC) in region 4 km S Monte Cavallo (MC)

A magnitude ML 0.5 earthquake occured in region: 4 km S Monte Cavallo (MC), on

  • 26-05-2023 18:53:21 (UTC)
  • 26-05-2023 20:53:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9610, 13.0130 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
Monte Cavallo MC 4 145 145
Visso MC 7 1107 1252
Preci PG 9 724 1976
Pieve Torina MC 10 1458 3434
Ussita MC 10 444 3878
Sellano PG 11 1079 4957
Fiordimonte MC 11 202 5159
Pievebovigliana MC 13 866 6025
Serravalle di Chienti MC 13 1070 7095
Castelsantangelo sul Nera MC 14 281 7376
Muccia MC 14 915 8291
Fiastra MC 14 559 8850
Acquacanina MC 15 121 8971
Cerreto di Spoleto PG 18 1075 10046
Bolognola MC 18 142 10188
Norcia PG 20 4957 15145
Camerino MC 20 6974 22119

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
53 Km E of Perugia (166134 inhabitants)
54 Km NE of Terni (111501 inhabitants)
66 Km NW of Teramo (54892 inhabitants)
75 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
96 Km NE of Viterbo (67173 inhabitants)
98 Km S of Fano (60888 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 0.5 2023-05-26
18:53:21
42.961 13.0132 11 2023-05-26
19:07:44
Sala Sismica INGV-Roma 117754701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-26 18:53:21 ± 0.09
Latitude 42.9610 ± 0.0036
Longitude 13.0132 ± 0.0061
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 117754701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 535
Semi-minor axis of confidence ellipse (meter) 342
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 245
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.02698
Epicentral distance of station farthest from the epicenter (degree) 0.19156
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 117754701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-26 19:07:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-05-26T18:53:29.26 0.6 undecidable manual S 47 21.2676 50 -0.05 48
IV.MML1.EHZ. 2023-05-26T18:53:27.89 0.6 undecidable manual S 349 17.2716 122 -0.22 47
IV.NRCA.HHZ. 2023-05-26T18:53:27.60 0.6 undecidable manual S 150 16.3725 123 -0.25 47
IV.CESI.HHZ. 2023-05-26T18:53:26.09 0.6 undecidable manual S 299 10.0788 137 -0.07 49
IV.FDMO.HHZ. 2023-05-26T18:53:26.18 0.6 undecidable manual S 36 10.2786 136 -0.05 49
IV.MML1.EHZ. 2023-05-26T18:53:25.17 1.0 negative manual P 349 17.2716 122 0.03 24
IV.FEMA.HNZ. 2023-05-26T18:53:25.12 0.6 undecidable manual S 88 2.997 164 0.2 48
IV.CSP1.EHZ. 2023-05-26T18:53:25.85 0.6 positive manual P 47 21.2676 50 0.02 48
IV.NRCA.HHZ. 2023-05-26T18:53:24.90 0.1 undecidable manual P 150 16.3725 123 -0.09 97
IV.CESI.HHZ. 2023-05-26T18:53:24.11 0.1 negative manual P 299 10.0788 137 0.09 97
IT.MTCL.HGZ. 2023-05-26T18:53:24.74 0.6 undecidable manual S 343 3.7962 160 -0.27 48
IV.FDMO.HHZ. 2023-05-26T18:53:24.17 1.0 negative manual P 36 10.2786 136 0.12 24
IT.MTCL.HGZ. 2023-05-26T18:53:23.37 0.1 undecidable manual P 343 3.7962 160 0.02 100
IV.FEMA.HNZ. 2023-05-26T18:53:23.54 0.1 undecidable manual P 88 2.997 164 0.24 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.5 0.000035799999999999996 0.14 AML other m 2023-05-26T18:53:26.16
IV.CESI.HHN. ML:0.5 0.0000339 0.48 AML other m 2023-05-26T18:53:26.47
IV.FDMO.HHE. ML:0.6 0.0000487 0.12 AML other m 2023-05-26T18:53:26.35
IV.FDMO.HHN. ML:0.5 0.000040650000000000006 0.14 AML other m 2023-05-26T18:53:26.70
IV.NRCA.HHE. ML:0.6 0.000034149999999999997 0.32 AML other m 2023-05-26T18:53:27.80
IV.NRCA.HHN. ML:0.6 0.00003655 0.1 AML other m 2023-05-26T18:53:28.28
IV.MML1.EHE. ML:0.3 0.000013507825000000001 0.192 AML other m 2023-05-26T18:53:28.54
IV.MML1.EHN. ML:0.3 0.00001652387 0.1024 AML other m 2023-05-26T18:53:28.19
IV.CSP1.EHE. ML:0.6 0.000027506794000000003 0.2176 AML other m 2023-05-26T18:53:30.11
IV.CSP1.EHN. ML:0.7 0.000036411150000000005 0.192 AML other m 2023-05-26T18:53:29.96
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