Earthquake with magnitude of ML 0.6 on date 26-04-2023 and time 06:43:14 (Italy) in region 6 km SW Monte Cavallo (MC)

A magnitude ML 0.6 earthquake occured in region: 6 km SW Monte Cavallo (MC), on

  • 26-04-2023 04:43:14 (UTC)
  • 26-04-2023 06:43:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9520, 12.9480 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 7 145 145
Sellano PG 7 1079 1224
Preci PG 11 724 1948
Visso MC 12 1107 3055
Pieve Torina MC 13 1458 4513
Serravalle di Chienti MC 14 1070 5583
Cerreto di Spoleto PG 15 1075 6658
Fiordimonte MC 15 202 6860
Ussita MC 16 444 7304
Muccia MC 17 915 8219
Pievebovigliana MC 17 866 9085
Castelsantangelo sul Nera MC 18 281 9366
Trevi PG 18 8469 17835
Fiastra MC 19 559 18394
Foligno PG 20 57155 75549
Valtopina PG 20 1398 76947

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km E of Foligno (57155 inhabitants)
49 Km E of Perugia (166134 inhabitants)
50 Km NE of Terni (111501 inhabitants)
70 Km W of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
99 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
Bulletin
Rev1000
ML 0.6 2023-04-26
04:43:14
42.9518 12.9482 10 2024-03-01
17:18:06
Bollettino Sismico Italiano INGV 117142291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-26 04:43:14 ± 0.05
Latitude 42.9518 ± 0.0018
Longitude 12.9482 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117142291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 254
Semi-minor axis of confidence ellipse (meter) 134
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
Epicentral distance of station closest to the epicenter (degree) 0.06205
Epicentral distance of station farthest from the epicenter (degree) 0.23382
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.0
Num. used stations 4
Type of magnitude ML
Reference to an origin 117142291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-08 07:43:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-04-26T04:43:23.70 0.3 undecidable manual S 53 25.9518 50 0.08 72
IV.MML1.EHZ. 2023-04-26T04:43:21.21 0.3 undecidable manual S 6 18.0708 120 -0.08 73
IV.NRCA.HHZ. 2023-04-26T04:43:21.50 0.3 undecidable manual S 134 18.87 119 -0.03 73
IV.FDMO.HHZ. 2023-04-26T04:43:20.34 0.1 undecidable manual S 50 14.6742 125 0.03 98
IV.CSP1.EHZ. 2023-04-26T04:43:19.52 0.1 negative manual P 53 25.9518 50 -0.07 96
IV.MML1.EHZ. 2023-04-26T04:43:18.20 0.1 undecidable manual P 6 18.0708 120 -0.04 98
IV.CESI.HHZ. 2023-04-26T04:43:18.37 0.1 undecidable manual S 329 6.8931 146 -0.01 100
IV.NRCA.HHZ. 2023-04-26T04:43:18.36 0.1 undecidable manual P 134 18.87 119 -0.01 98
IV.FDMO.HHZ. 2023-04-26T04:43:17.69 0.1 undecidable manual P 50 14.6742 125 0.02 99
IV.CESI.HHZ. 2023-04-26T04:43:16.66 0.1 undecidable manual P 329 6.8931 146 0.1 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.6 0.000052499999999999995 0.32 AML other m 2023-04-26T04:43:18.62
IV.CESI.HHE. ML:0.6 0.0000526 0.06 AML other m 2023-04-26T04:43:18.47
IV.MML1.EHE. ML:0.6 0.0000281 0.42 AML other m 2023-04-26T04:43:19.04
IV.MML1.EHN. ML:0.5 0.000025800000000000004 0.42 AML other m 2023-04-26T04:43:22.77
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