Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 27-03-2023 and time 09:05:26 (Italy) in region 5 km SW Serravalle di Chienti (MC)

A magnitude ML 0.6 earthquake occured in region: 5 km SW Serravalle di Chienti (MC), on

  • 27-03-2023 07:05:26 (UTC)
  • 27-03-2023 09:05:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0500, 12.9030 at 4 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.

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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 5 1070 1070
Monte Cavallo MC 10 145 1215
Sefro MC 11 422 1637
Nocera Umbra PG 11 5839 7476
Valtopina PG 12 1398 8874
Muccia MC 12 915 9789
Pieve Torina MC 12 1458 11247
Pievebovigliana MC 15 866 12113
Fiordimonte MC 15 202 12315
Fiuminata MC 16 1402 13717
Pioraco MC 16 1134 14851
Camerino MC 17 6974 21825
Sellano PG 18 1079 22904
Foligno PG 19 57155 80059
Spello PG 20 8645 88704

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NE of Foligno (57155 inhabitants)
42 Km E of Perugia (166134 inhabitants)
58 Km NE of Terni (111501 inhabitants)
79 Km NW of Teramo (54892 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
88 Km NW of L'Aquila (69753 inhabitants)
89 Km S of Fano (60888 inhabitants)
95 Km E of Arezzo (99543 inhabitants)
96 Km S of Pesaro (94582 inhabitants)
96 Km NE of Viterbo (67173 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 0.6 2023-03-27
07:05:26		 43.0502 12.903 4 2023-03-27
07:24:29		 Sala Sismica INGV-Roma 115784511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-27 07:05:26 ± 0.21
Latitude 43.0502 ± 0.0063
Longitude 12.9030 ± 0.0062
Depth (km) 4 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115784511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 551
Semi-minor axis of confidence ellipse (meter) 436
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 337
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.20684
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 115784511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-27 07:24:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LRP.EHZ. 2023-03-27T07:06:12.84 3.0 undecidable manual Sn -0.03 0
IV.MMO1.EHZ. 2023-03-27T07:05:42.47 3.0 undecidable manual S 0 0
IV.MF5.EHZ. 2023-03-27T07:05:35.00 3.0 negative manual P 0.46 0
IV.ASSB.HHZ. 2023-03-27T07:05:34.32 0.6 undecidable manual S 268 19.869 100 0.37 46
IV.SNTG.HHZ. 2023-03-27T07:05:34.49 0.6 undecidable manual S 8 22.9548 99 -0.52 44
IV.FDMO.HHZ. 2023-03-27T07:05:32.48 0.1 undecidable manual S 96 14.9739 103 0.17 97
IV.SNTG.HHZ. 2023-03-27T07:05:31.88 0.1 undecidable manual P 8 22.9548 99 0.27 93
IV.MML1.EHZ. 2023-03-27T07:05:30.40 0.6 undecidable manual S 38 8.9799 111 0.1 50
IV.ASSB.HHZ. 2023-03-27T07:05:30.84 0.1 undecidable manual P 268 19.869 100 -0.16 96
IV.FDMO.HHZ. 2023-03-27T07:05:29.83 0.3 undecidable manual P 96 14.9739 103 -0.22 72
IV.CESI.HHE. 2023-03-27T07:05:29.06 0.6 undecidable manual S 178 4.995 125 -0.03 51
IV.CESI.HHE. 2023-03-27T07:05:28.10 0.1 undecidable manual P 178 4.995 125 -0.09 100
IV.MML1.EHZ. 2023-03-27T07:05:28.88 1.0 undecidable manual P 38 8.9799 111 -0.01 25
IV.ATCC.EHZ. 2023-03-27T07:05:26.01 3.0 undecidable manual S 0
IV.ATCC.EHZ. 2023-03-27T07:05:23.61 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:0.8 0.00009195 1.84 AML other m 2023-03-27T07:05:30.05
IV.MML1.EHE. ML:0.7 0.00007725 0.52 AML other m 2023-03-27T07:05:31.61
IV.MML1.HNE. ML:0.0 0.000105651205 0.848 AML other m 2023-03-27T07:05:31.35
IV.FDMO.HHE. ML:0.7 0.00005755678 3.04 AML other m 2023-03-27T07:05:34.16
IV.FDMO.HHN. ML:0.5 0.000033453134999999996 0.1792 AML other m 2023-03-27T07:05:32.65
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