Earthquake with magnitude of ML 0.9 on date 05-04-2023 and time 06:42:42 (Italy) in region 3 km NE Serravalle di Chienti (MC)

A magnitude ML 0.9 earthquake occured in region: 3 km NE Serravalle di Chienti (MC), on

  • 05-04-2023 04:42:42 (UTC)
  • 05-04-2023 06:42:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0860, 12.9810 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
Serravalle di Chienti MC 3 1070 1070
Muccia MC 5 915 1985
Sefro MC 7 422 2407
Pieve Torina MC 7 1458 3865
Pievebovigliana MC 9 866 4731
Camerino MC 9 6974 11705
Fiordimonte MC 10 202 11907
Pioraco MC 10 1134 13041
Monte Cavallo MC 10 145 13186
Fiuminata MC 12 1402 14588
Castelraimondo MC 15 4587 19175
Fiastra MC 15 559 19734
Nocera Umbra PG 16 5839 25573
Acquacanina MC 17 121 25694
Gagliole MC 19 620 26314
Valtopina PG 19 1398 27712
Esanatoglia MC 19 2034 29746
Matelica MC 19 9981 39727
Visso MC 19 1107 40834
Serrapetrona MC 20 966 41800

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NE of Foligno (57155 inhabitants)
48 Km E of Perugia (166134 inhabitants)
64 Km NE of Terni (111501 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
76 Km NW of Teramo (54892 inhabitants)
84 Km S of Fano (60888 inhabitants)
89 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Pesaro (94582 inhabitants)
99 Km E 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
Bulletin
Rev1000
ML 0.9 2023-04-05
04:42:42
43.0865 12.9812 10 2024-03-01
17:18:06
Bollettino Sismico Italiano INGV 116955641
Reviewed
Rev100
ML 1.0 2023-04-05
04:42:42
43.0855 12.9837 10 2023-04-05
05:34:10
Sala Sismica INGV-Roma 116080091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-05 04:42:42 ± 0.05
Latitude 43.0865 ± 0.0027
Longitude 12.9812 ± 0.0037
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 116955641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 329
Semi-minor axis of confidence ellipse (meter) 289
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 240
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28509
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 116955641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-02 10:46:14

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 116080091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-05 05:34:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GRAM.HHZ. 2023-04-05T04:43:17.83 3.0 positive manual Pg 2.58 0
7F.SIB1.EHE. 2023-04-05T04:42:53.50 0.3 undecidable manual S 132 31.6461 50 0.03 74
IV.EL6.EHZ. 2023-04-05T04:42:52.70 0.6 undecidable manual S 20 28.6491 50 0.03 49
IV.ASSB.HHN. 2023-04-05T04:42:51.90 0.6 undecidable manual S 260 26.5512 50 -0.22 48
IV.CSP1.EHZ. 2023-04-05T04:42:49.70 0.3 undecidable manual S 88 18.1707 119 0.1 74
IV.SNTG.HHZ. 2023-04-05T04:42:49.80 0.3 undecidable manual S 350 18.9699 118 -0.06 75
IV.EL6.EHZ. 2023-04-05T04:42:48.30 0.3 undecidable manual P 20 28.6491 50 -0.02 74
7F.SIB1.EHE. 2023-04-05T04:42:48.71 0.3 undecidable manual P 132 31.6461 50 -0.07 73
IV.FDMO.HHZ. 2023-04-05T04:42:47.10 0.3 undecidable manual S 123 10.2786 135 -0.3 72
IV.ASSB.HHN. 2023-04-05T04:42:47.88 1.0 undecidable manual P 260 26.5512 50 -0.12 24
IV.CESI.HHZ. 2023-04-05T04:42:47.60 0.3 undecidable manual S 214 10.9779 133 0.02 77
IV.SNTG.HHZ. 2023-04-05T04:42:46.75 0.1 undecidable manual P 350 18.9699 118 0.05 100
IV.CSP1.EHZ. 2023-04-05T04:42:46.59 0.3 undecidable manual P 88 18.1707 119 0.04 75
IV.CESI.HHZ. 2023-04-05T04:42:45.59 0.1 undecidable manual P 214 10.9779 133 0.21 98
IV.FDMO.HHZ. 2023-04-05T04:42:45.30 0.3 undecidable manual P 123 10.2786 135 0.03 77
IV.MML1.EHZ. 2023-04-05T04:42:45.80 0.3 undecidable manual S 346 3.0969 163 -0.28 73
IV.MML1.EHZ. 2023-04-05T04:42:44.76 0.1 undecidable manual P 346 3.0969 163 0.24 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:0.9 0.00014150000000000002 1.8 AML other m 2023-04-05T04:42:46.99
IV.MML1.EHE. ML:1.0 0.00016350000000000002 0.48 AML other m 2023-04-05T04:42:46.35
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