Earthquake with magnitude of ML 0.6 on date 28-04-2023 and time 22:06:42 (Italy) in region 4 km SE Serravalle di Chienti (MC)

A magnitude ML 0.6 earthquake occured in region: 4 km SE Serravalle di Chienti (MC), on

  • 28-04-2023 20:06:42 (UTC)
  • 28-04-2023 22:06:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0410, 12.9730 at 13 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 4 1070 1070
Monte Cavallo MC 6 145 1215
Pieve Torina MC 6 1458 2673
Muccia MC 8 915 3588
Pievebovigliana MC 9 866 4454
Fiordimonte MC 10 202 4656
Sefro MC 12 422 5078
Camerino MC 13 6974 12052
Fiastra MC 15 559 12611
Visso MC 15 1107 13718
Pioraco MC 16 1134 14852
Acquacanina MC 17 121 14973
Nocera Umbra PG 17 5839 20812
Fiuminata MC 17 1402 22214
Sellano PG 17 1079 23293
Ussita MC 17 444 23737
Valtopina PG 18 1398 25135
Preci PG 19 724 25859

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
48 Km E of Perugia (166134 inhabitants)
60 Km NE of Terni (111501 inhabitants)
73 Km NW of Teramo (54892 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
89 Km S of Fano (60888 inhabitants)
97 Km S of Pesaro (94582 inhabitants)
99 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
Bulletin
Rev1000
ML 0.6 2023-04-28
20:06:42
43.041 12.9733 13 2024-03-01
17:18:11
Bollettino Sismico Italiano INGV 118352441
Reviewed
Rev100
ML 0.2 2023-04-28
20:06:42
43.0393 12.9865 13 2023-04-28
20:26:58
Sala Sismica INGV-Roma 116852631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-28 20:06:42 ± 0.06
Latitude 43.0410 ± 0.0036
Longitude 12.9733 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118352441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 397
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27339
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 118352441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-13 07:40:35

ML:0.2

Field Value
Value 0.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 116852631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-28 20:26:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.SCL3.EHZ.02 2023-04-28T20:08:26.65 3.0 undecidable manual Sg 16.209999 0
GU.MGRO.HHZ. 2023-04-28T20:08:18.15 3.0 undecidable manual Sg 22.66 0
IV.VARE.HHZ. 2023-04-28T20:08:18.26 3.0 undecidable manual Sg 15.42 0
CR.STON.BHZ. 2023-04-28T20:08:17.02 3.0 undecidable manual Sn -5.22 0
7C.SPAOL.HNZ. 2023-04-28T20:08:16.80 3.0 undecidable manual Pg 14.62 0
IV.BULT.EHZ. 2023-04-28T20:08:09.87 3.0 undecidable manual Sn 2.81 0
IV.HPAC.HHZ. 2023-04-28T20:08:07.56 3.0 undecidable manual Pn -5.34 0
IV.ALJA.HHZ. 2023-04-28T20:08:06.95 3.0 negative manual Pg 11.63 0
IV.STAL.HHZ. 2023-04-28T20:07:55.72 3.0 undecidable manual Sg 3.97 0
IV.VITU.HHZ. 2023-04-28T20:07:53.95 3.0 undecidable manual Sg 3.32 0
OX.VARN.HHZ. 2023-04-28T20:07:16.57 3.0 undecidable manual Pg 3.77 0
IV.MRB1.HNZ. 2023-04-28T20:07:09.58 3.0 undecidable manual Pn -9.86 0
IV.FNVD.HHZ. 2023-04-28T20:06:58.71 3.0 undecidable manual Pg 8.04 0
IV.NRCA.HHZ. 2023-04-28T20:06:52.21 0.3 undecidable manual S 154 25.6521 100 -0.01 72
IV.ASSB.HHN. 2023-04-28T20:06:51.85 0.6 undecidable manual S 271 25.5522 100 -0.32 46
IV.SNTG.HHE. 2023-04-28T20:06:51.64 0.3 undecidable manual S 354 23.8539 101 -0.11 72
7F.SIB3.EHN. 2023-04-28T20:06:49.03 0.6 undecidable manual P 127 30.3474 97 0.07 48
IV.IMOL.HNZ. 2023-04-28T20:06:49.55 3.0 undecidable manual P -1.05 0
IV.MML1.EHZ. 2023-04-28T20:06:48.01 0.3 undecidable manual S 359 8.0808 141 -0.03 75
IV.NRCA.HHZ. 2023-04-28T20:06:48.20 0.3 undecidable manual P 154 25.6521 100 -0.06 72
IV.SNTG.HHE. 2023-04-28T20:06:48.10 0.6 undecidable manual P 354 23.8539 101 0.11 48
IV.FDMO.HHZ. 2023-04-28T20:06:48.09 0.3 undecidable manual S 93 9.2796 136 -0.16 73
IV.ASSB.HHN. 2023-04-28T20:06:48.14 0.1 undecidable manual P 271 25.5522 100 -0.09 95
IV.CESI.HHZ. 2023-04-28T20:06:47.99 0.6 undecidable manual S 234 6.8931 146 0.14 48
IT.MTCL.HGZ. 2023-04-28T20:06:47.45 0.6 undecidable manual S 158 5.5944 151 -0.22 48
IV.PF6.EHN. 2023-04-28T20:06:47.82 0.6 undecidable manual P 59 20.868 105 0.28 46
IV.MML1.EHZ. 2023-04-28T20:06:45.84 0.1 undecidable manual P 359 8.0808 141 0 100
IV.CESI.HHZ. 2023-04-28T20:06:45.96 0.3 undecidable manual P 234 6.8931 146 0.22 72
IT.MTCL.HGZ. 2023-04-28T20:06:45.70 0.1 undecidable manual P 158 5.5944 151 0.07 99
IV.FDMO.HHZ. 2023-04-28T20:06:45.99 0.6 undecidable manual P 93 9.2796 136 0.02 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.6 0.0000467 0.18 AML other m 2023-04-28T20:06:48.12
IV.CESI.HHN. ML:0.6 0.000051699999999999996 0.08 AML other m 2023-04-28T20:06:48.22
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