Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 01-04-2023 and time 09:36:35 (Italy) in region 2 km NE Serravalle di Chienti (MC)

A magnitude ML 0.7 earthquake occured in region: 2 km NE Serravalle di Chienti (MC), on

  • 01-04-2023 07:36:35 (UTC)
  • 01-04-2023 09:36:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0870, 12.9710 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.

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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 2 1070 1070
Muccia MC 6 915 1985
Sefro MC 7 422 2407
Pieve Torina MC 8 1458 3865
Camerino MC 10 6974 10839
Pievebovigliana MC 10 866 11705
Pioraco MC 10 1134 12839
Monte Cavallo MC 11 145 12984
Fiordimonte MC 11 202 13186
Fiuminata MC 12 1402 14588
Nocera Umbra PG 15 5839 20427
Castelraimondo MC 16 4587 25014
Fiastra MC 16 559 25573
Valtopina PG 18 1398 26971
Acquacanina MC 18 121 27092
Esanatoglia MC 19 2034 29126
Gagliole MC 19 620 29746
Matelica MC 19 9981 39727
Visso MC 20 1107 40834

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Foligno (57155 inhabitants)
47 Km E of Perugia (166134 inhabitants)
64 Km NE of Terni (111501 inhabitants)
74 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)
98 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 0.7 2023-04-01
07:36:35		 43.0873 12.9708 13 2024-03-01
17:18:02		 Bollettino Sismico Italiano INGV 116121541
Reviewed
Rev100 		ML 0.7 2023-04-01
07:36:34		 43.0922 12.9692 14 2023-04-01
08:34:44		 Sala Sismica INGV-Roma 115937731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-01 07:36:35 ± 0.07
Latitude 43.0873 ± 0.0027
Longitude 12.9708 ± 0.0037
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 116121541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 359
Semi-minor axis of confidence ellipse (meter) 68
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 244
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 18
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) 0.39480
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 116121541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-14 00:01:08

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 115937731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-01 08:34:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SALB.HHZ. 2023-04-01T07:37:54.72 3.0 undecidable manual Sn -4.22 0
IV.MSRU.HHZ. 2023-04-01T07:37:53.16 3.0 undecidable manual Pg 18.940001 0
IV.SOLUN.HHZ. 2023-04-01T07:37:43.36 3.0 undecidable manual Pg 9.91 0
IV.ERC.EHZ. 2023-04-01T07:37:37.54 3.0 undecidable manual Pn 2.47 0
IV.BDI.HHZ. 2023-04-01T07:37:37.39 3.0 undecidable manual Sn 1.43 0
IV.AIO.HHZ. 2023-04-01T07:37:33.95 3.0 undecidable manual Pn -3.32 0
IV.TDS.HHZ. 2023-04-01T07:37:29.92 3.0 undecidable manual Pg 9.34 0
IX.STN3.EHZ.02 2023-04-01T07:37:05.84 3.0 negative manual Pn -0.88 0
IV.RIBO.EHZ. 2023-04-01T07:37:04.57 3.0 negative manual Pg 8.41 0
IV.MRB1.HHZ. 2023-04-01T07:36:59.50 3.0 undecidable manual Pn 3.35 0
IV.RCAV.EHZ. 2023-04-01T07:36:58.30 3.0 undecidable manual Sn -0.49 0
IV.VAGA.HHZ. 2023-04-01T07:36:53.71 3.0 undecidable manual Pg 4.34 0
IV.ATSC.EHE. 2023-04-01T07:36:49.48 0.6 undecidable manual S 328 43.8228 94 0.12 46
IV.NRCA.HHZ. 2023-04-01T07:36:45.93 0.6 undecidable manual S 157 30.4473 97 0.13 47
IV.FOSV.HNE. 2023-04-01T07:36:45.43 0.6 undecidable manual S 324 28.5492 97 0.13 48
IV.ASSB.HHZ. 2023-04-01T07:36:44.38 0.3 undecidable manual S 259 25.752 99 -0.18 72
IV.ATSC.EHE. 2023-04-01T07:36:43.64 1.0 undecidable manual P 328 43.8228 94 0.27 22
IV.SNTG.HHZ. 2023-04-01T07:36:42.47 0.3 undecidable manual S 353 18.7701 107 -0.26 71
IV.NRCA.HHZ. 2023-04-01T07:36:41.07 1.0 undecidable manual P 157 30.4473 97 -0.24 23
IT.MTCL.HGZ. 2023-04-01T07:36:40.45 0.6 undecidable manual S 167 10.6782 129 -0.35 47
IV.FOSV.HNE. 2023-04-01T07:36:40.80 1.0 undecidable manual P 324 28.5492 97 -0.22 23
IV.CESI.HHZ. 2023-04-01T07:36:40.88 0.3 undecidable manual S 210 10.5783 129 0.08 74
IV.FDMO.HHZ. 2023-04-01T07:36:40.84 0.3 undecidable manual S 121 10.9779 128 -0.04 75
IV.ASSB.HHZ. 2023-04-01T07:36:40.70 0.3 undecidable manual P 259 25.752 99 0.1 72
IV.MML1.HNE. 2023-04-01T07:36:39.72 0.3 undecidable manual S 1 2.8971 164 0.06 76
IV.SNTG.HHZ. 2023-04-01T07:36:39.45 0.3 undecidable manual P 353 18.7701 107 -0.09 73
IV.FDMO.HHZ. 2023-04-01T07:36:38.53 0.6 undecidable manual P 121 10.9779 128 0.06 50
IT.MTCL.HGZ. 2023-04-01T07:36:38.54 1.0 undecidable manual P 167 10.6782 129 0.11 25
IV.CESI.HHZ. 2023-04-01T07:36:38.52 0.3 undecidable manual P 210 10.5783 129 0.09 74
IV.MML1.HNE. 2023-04-01T07:36:37.89 0.1 undecidable manual P 1 2.8971 164 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.7 0.000054388884999999996 2.1376 AML other m 2023-04-01T07:36:41.07
IV.FDMO.HHN. ML:0.8 0.000059034359999999996 0.16 AML other m 2023-04-01T07:36:41.02
IV.FDMO.HHE. ML:0.7 0.000056808330000000005 0.1792 AML other m 2023-04-01T07:36:40.97
IV.CESI.HHE. ML:0.8 0.00007230164999999999 3.1808 AML other m 2023-04-01T07:36:41.82
IV.SNTG.HHN. ML:0.4 0.00002012662 0.1216 AML other m 2023-04-01T07:36:42.69
IV.SNTG.HHE. ML:0.5 0.00002514016 0.1024 AML other m 2023-04-01T07:36:42.90
IV.ASSB.HHN. ML:0.8 0.00003261364999999999 7.5392 AML other m 2023-04-01T07:36:45.43
IV.ASSB.HHE. ML:1.0 0.00005297056 6.3424 AML other m 2023-04-01T07:36:45.68
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