Earthquake with magnitude of ML 0.4 on date 20-03-2024 and time 23:07:09 (UTC) in region 7 km SW Serravalle di Chienti (MC)

A magnitude ML 0.4 earthquake occured in region: 7 km SW Serravalle di Chienti (MC), on

  • 20-03-2024 23:07:09 (UTC)
  • 21-03-2024 00:07:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0290, 12.8830 at 14 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
Serravalle di Chienti MC 7 1070 1070
Monte Cavallo MC 10 145 1215
Valtopina PG 11 1398 2613
Nocera Umbra PG 12 5839 8452
Pieve Torina MC 14 1458 9910
Sefro MC 14 422 10332
Muccia MC 14 915 11247
Sellano PG 16 1079 12326
Foligno PG 17 57155 69481
Pievebovigliana MC 17 866 70347
Fiordimonte MC 17 202 70549
Spello PG 18 8645 79194
Fiuminata MC 18 1402 80596
Pioraco MC 19 1134 81730
Camerino MC 19 6974 88704
Visso MC 20 1107 89811

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km E of Foligno (57155 inhabitants)
41 Km E of Perugia (166134 inhabitants)
55 Km NE of Terni (111501 inhabitants)
79 Km NW of Teramo (54892 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
86 Km NW of L'Aquila (69753 inhabitants)
91 Km S of Fano (60888 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
95 Km SE of Arezzo (99543 inhabitants)
98 Km S of Pesaro (94582 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 0.4 2024-03-20
23:07:09
43.0293 12.8833 14 2024-03-20
23:42:37
Sala Sismica INGV-Roma 126019571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-20 23:07:09 ± 0.07
Latitude 43.0293 ± 0.0036
Longitude 12.8833 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126019571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 376
Semi-minor axis of confidence ellipse (meter) 79
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 359
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
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) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.02878
Epicentral distance of station farthest from the epicenter (degree) 0.25900
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:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 126019571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-20 23:42:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2024-03-20T23:07:19.57 0.6 undecidable manual S 139 28.749 99 -0.02 49
IV.FDMO.HHZ. 2024-03-20T23:07:16.33 0.6 undecidable manual S 87 16.5723 114 -0.14 49
IV.ASSB.HHZ. 2024-03-20T23:07:16.82 0.3 undecidable manual S 275 18.2706 111 -0.07 73
IV.NRCA.HHZ. 2024-03-20T23:07:15.24 0.1 positive manual P 139 28.749 99 -0.05 97
IV.MML1.EHZ. 2024-03-20T23:07:15.26 0.3 undecidable manual S 37 11.7771 128 -0.12 74
IV.CESI.HHZ. 2024-03-20T23:07:14.08 0.3 undecidable manual S 147 3.1968 164 0 77
IV.MML1.EHZ. 2024-03-20T23:07:13.04 0.1 undecidable manual P 37 11.7771 128 0.19 97
IV.FDMO.HHZ. 2024-03-20T23:07:13.43 1.0 undecidable manual P 87 16.5723 114 -0.06 25
IV.ASSB.HHZ. 2024-03-20T23:07:13.72 0.1 undecidable manual P 275 18.2706 111 -0.01 99
IV.CESI.HHZ. 2024-03-20T23:07:12.22 0.1 positive manual P 147 3.1968 164 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.6 0.00005375 0.1 AML other m 2024-03-20T23:07:14.24
IV.CESI.HHN. ML:0.6 0.00004645 0.24 AML other m 2024-03-20T23:07:14.33
IV.MML1.EHE. ML:0.2 0.000015915000000000003 0.16 AML other m 2024-03-20T23:07:15.91
IV.MML1.EHN. ML:0.3 0.00001753 1.02 AML other m 2024-03-20T23:07:15.42
IV.FDMO.HHN. ML:0.3 0.00001697 0.4 AML other m 2024-03-20T23:07:16.66
IV.FDMO.HHE. ML:0.3 0.00001515 0.12 AML other m 2024-03-20T23:07:16.68
IV.ASSB.HHE. ML:0.6 0.0000293 0.08 AML other m 2024-03-20T23:07:17.27
IV.ASSB.HHN. ML:0.5 0.000026549999999999998 0.08 AML other m 2024-03-20T23:07:17.23
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