Earthquake with magnitude of ML 0.3 on date 26-04-2023 and time 21:49:45 (Italy) in region 7 km W Monte Cavallo (MC)

A magnitude ML 0.3 earthquake occured in region: 7 km W Monte Cavallo (MC), on

  • 26-04-2023 19:49:45 (UTC)
  • 26-04-2023 21:49:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9880, 12.9210 at 12 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 7 145 145
Serravalle di Chienti MC 10 1070 1215
Sellano PG 11 1079 2294
Pieve Torina MC 12 1458 3752
Muccia MC 15 915 4667
Fiordimonte MC 15 202 4869
Visso MC 15 1107 5976
Preci PG 15 724 6700
Valtopina PG 16 1398 8098
Pievebovigliana MC 16 866 8964
Nocera Umbra PG 17 5839 14803
Sefro MC 18 422 15225
Foligno PG 18 57155 72380
Ussita MC 18 444 72824
Trevi PG 19 8469 81293
Cerreto di Spoleto PG 19 1075 82368
Fiastra MC 20 559 82927

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Foligno (57155 inhabitants)
45 Km E of Perugia (166134 inhabitants)
52 Km NE of Terni (111501 inhabitants)
74 Km NW of Teramo (54892 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
96 Km S of Fano (60888 inhabitants)
100 Km SE of Arezzo (99543 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 0.3 2023-04-26
19:49:45
42.9882 12.9213 12 2023-04-26
19:56:35
Sala Sismica INGV-Roma 116777761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-26 19:49:45 ± 0.13
Latitude 42.9882 ± 0.0081
Longitude 12.9213 ± 0.0086
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116777761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 794
Semi-minor axis of confidence ellipse (meter) 598
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 193
Circular confidence region, given by single value of horizontal uncertainty (meter) 790.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
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) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.02068
Epicentral distance of station farthest from the epicenter (degree) 0.20954
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:0.3

Field Value
Value 0.3
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 116777761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-26 19:56:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-04-26T19:49:53.72 0.6 undecidable manual S 138 23.2545 93 -0.01 50
IV.ASSB.HHZ. 2023-04-26T19:49:52.85 0.6 undecidable manual S 286 22.1556 93 -0.59 44
IV.FDMO.HHZ. 2023-04-26T19:49:51.33 0.6 undecidable manual S 68 14.4744 103 -0.09 50
IV.MML1.EHZ. 2023-04-26T19:49:51.34 0.6 undecidable manual S 16 14.4744 103 -0.07 50
IV.ASSB.HHZ. 2023-04-26T19:49:50.25 0.1 undecidable manual P 286 22.1556 93 0.35 93
IV.NRCA.HHZ. 2023-04-26T19:49:49.99 0.1 undecidable manual P 138 23.2545 93 -0.08 98
IV.CESI.HHZ. 2023-04-26T19:49:49.14 0.6 undecidable manual S 324 2.2977 166 0.02 51
IV.FDMO.HHZ. 2023-04-26T19:49:48.78 0.1 undecidable manual P 68 14.4744 103 0.05 100
IV.MML1.EHZ. 2023-04-26T19:49:48.68 0.6 negative manual P 16 14.4744 103 -0.05 50
IV.CESI.HHZ. 2023-04-26T19:49:47.48 0.6 undecidable manual P 324 2.2977 166 0.07 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.4 0.000036049999999999995 0.18 AML other m 2023-04-26T19:49:49.25
IV.CESI.HHN. ML:0.3 0.0000312 0.3 AML other m 2023-04-26T19:49:49.54
IV.MML1.EHE. ML:0.4 0.00002255 0.14 AML other m 2023-04-26T19:49:51.56
IV.MML1.EHN. ML:0.3 0.000020880000000000003 0.16 AML other m 2023-04-26T19:49:51.49
IV.NRCA.HHE. ML:0.2 0.000012074301500000001 0.1152 AML other m 2023-04-26T19:49:54.30
IV.NRCA.HHN. ML:0.4 0.000014051664999999999 0.1152 AML other m 2023-04-26T19:49:53.86
IV.ASSB.HHE. ML:0.4 0.000013896834 0.1152 AML other m 2023-04-26T19:49:53.02
IV.ASSB.HHN. ML:0.4 0.000013858820000000002 0.1536 AML other m 2023-04-26T19:49:53.29
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