Earthquake with magnitude of ML 0.4 on date 20-08-2023 and time 20:35:22 (UTC) in region 1 km S Camerino (MC)

A magnitude ML 0.4 earthquake occured in region: 1 km S Camerino (MC), on

  • 20-08-2023 20:35:22 (UTC)
  • 20-08-2023 22:35:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1260, 13.0710 at 15 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
Camerino MC 1 6974 6974
Muccia MC 5 915 7889
Pievebovigliana MC 7 866 8755
Pieve Torina MC 9 1458 10213
Pioraco MC 9 1134 11347
Castelraimondo MC 10 4587 15934
Fiordimonte MC 10 202 16136
Sefro MC 10 422 16558
Serravalle di Chienti MC 11 1070 17628
Serrapetrona MC 11 966 18594
Fiastra MC 12 559 19153
Caldarola MC 13 1823 20976
Gagliole MC 13 620 21596
Fiuminata MC 13 1402 22998
Acquacanina MC 14 121 23119
Belforte del Chienti MC 14 1886 25005
San Severino Marche MC 15 12726 37731
Cessapalombo MC 15 512 38243
Matelica MC 16 9981 48224
Monte Cavallo MC 16 145 48369
Camporotondo di Fiastrone MC 16 563 48932
Esanatoglia MC 17 2034 50966
Bolognola MC 19 142 51108
Tolentino MC 20 20069 71177

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Foligno (57155 inhabitants)
55 Km E of Perugia (166134 inhabitants)
66 Km SW of Ancona (100861 inhabitants)
72 Km NE of Terni (111501 inhabitants)
73 Km NW of Teramo (54892 inhabitants)
80 Km S of Fano (60888 inhabitants)
88 Km S of Pesaro (94582 inhabitants)
90 Km NW of L'Aquila (69753 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 2023-08-20
20:35:22
43.1255 13.0708 15 2023-08-20
21:04:33
Sala Sismica INGV-Roma 120337961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-20 20:35:22 ± 0.07
Latitude 43.1255 ± 0.0036
Longitude 13.0708 ± 0.0049
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120337961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 372
Semi-minor axis of confidence ellipse (meter) 304
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) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 14
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) 0.29318
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 120337961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-20 21:04:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.VLO.HHZ. 2023-08-20T20:36:44.30 3.0 undecidable manual Pg 33.209999 0
IV.MGR.HHZ. 2023-08-20T20:36:44.18 3.0 undecidable manual Sn 10.45 0
OX.ACOM.HHZ. 2023-08-20T20:36:24.46 3.0 undecidable manual Sg 12.2 0
OT.CGL1.HHZ. 2023-08-20T20:36:21.38 3.0 undecidable manual Pg 28.18 0
7C.SPAOL.HHZ. 2023-08-20T20:36:16.81 3.0 negative manual Pn 3.46 0
IV.SALB.HHZ. 2023-08-20T20:36:12.46 3.0 undecidable manual Pg 20.450001 0
IV.BAG8.EHZ. 2023-08-20T20:36:11.88 3.0 undecidable manual Sg 9.73 0
RF.GEPF.HHZ. 2023-08-20T20:36:03.55 3.0 undecidable manual Sn -1.52 0
IV.SPS2.HHZ. 2023-08-20T20:36:00.88 3.0 positive manual Pn 2.65 0
IV.PZUN.HHZ. 2023-08-20T20:35:52.06 3.0 negative manual Pn 11.22 0
IV.PAOL.HHZ. 2023-08-20T20:35:43.00 3.0 negative manual Pg 13.25 0
GU.IMI.HHZ. 2023-08-20T20:35:41.61 3.0 negative manual Pg 7.62 0
GU.STV.HHZ. 2023-08-20T20:35:41.30 3.0 undecidable manual Pn 1.55 0
IV.CDRU.HHZ. 2023-08-20T20:35:38.64 3.0 undecidable manual Pn -0.75 0
GU.CARD.HHZ. 2023-08-20T20:35:38.61 3.0 undecidable manual Sg 0.95 0
IV.CASP.HHZ. 2023-08-20T20:35:36.13 3.0 undecidable manual Sg 1.29 0
IV.FOSV.EHZ. 2023-08-20T20:35:33.19 0.3 undecidable manual S 307 31.3464 101 0.01 73
GU.MGRO.HHZ. 2023-08-20T20:35:33.16 3.0 undecidable manual Pn -1.8 0
IV.NRCA.HHZ. 2023-08-20T20:35:33.56 0.3 undecidable manual S 174 32.5452 101 0.05 71
IV.RIBO.EHZ.01 2023-08-20T20:35:31.03 3.0 undecidable manual Sg -0.77 0
IV.SNTG.HHZ. 2023-08-20T20:35:29.68 0.3 undecidable manual S 324 17.7711 117 -0.07 73
IV.NRCA.HHZ. 2023-08-20T20:35:28.58 0.1 undecidable manual P 174 32.5452 101 -0.18 93
IV.CSP1.EHZ. 2023-08-20T20:35:28.57 0.3 undecidable manual S 109 11.4774 133 0.21 72
IV.FOSV.EHZ. 2023-08-20T20:35:28.58 0.3 undecidable manual P 307 31.3464 101 0.01 73
IV.PF6.EHZ. 2023-08-20T20:35:28.01 0.3 undecidable manual S 82 10.0788 138 -0.09 74
IV.FDMO.HHZ. 2023-08-20T20:35:27.77 0.3 undecidable manual S 172 9.9789 138 -0.3 72
IV.MML1.EHZ. 2023-08-20T20:35:27.90 0.3 undecidable manual S 261 8.0808 145 0.13 73
IV.SNTG.HHZ. 2023-08-20T20:35:26.53 0.1 undecidable manual P 324 17.7711 117 -0.05 98
IV.PF6.EHZ. 2023-08-20T20:35:25.50 0.1 undecidable manual P 82 10.0788 138 -0.13 98
IV.MML1.EHZ. 2023-08-20T20:35:25.61 0.3 undecidable manual P 261 8.0808 145 0.17 73
IV.FDMO.HHZ. 2023-08-20T20:35:25.63 0.1 undecidable manual P 172 9.9789 138 0.01 100
IV.CSP1.EHZ. 2023-08-20T20:35:25.94 0.1 undecidable manual P 109 11.4774 133 0.16 97
IV.SGG.HHZ. 2023-08-20T20:35:24.41 3.0 negative manual Pn -0.77 0
IV.RIBO.EHZ.01 2023-08-20T20:35:07.72 3.0 positive manual P -2.03 0
IV.SACS.HHZ. 2023-08-20T20:35:05.91 3.0 undecidable manual P -1.02 0
IV.APEC.HHZ. 2023-08-20T20:35:03.86 3.0 undecidable manual P -0.79 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.5 0.0000292 0.22 AML other m 2023-08-20T20:35:28.24
IV.FDMO.HHE. ML:0.3 0.0000214 0.14 AML other m 2023-08-20T20:35:28.44
IV.MML1.EHE. ML:0.3 0.000020215089999999998 0.1408 AML other m 2023-08-20T20:35:28.05
IV.MML1.EHN. ML:0.2 0.000015090404999999999 0.2176 AML other m 2023-08-20T20:35:28.03
IV.SNTG.HHE. ML:0.2 0.0000080572575 0.0768 AML other m 2023-08-20T20:35:30.28
IV.SNTG.HHN. ML:0.2 0.000010824815 0.1024 AML other m 2023-08-20T20:35:29.91
IV.FOSV.EHE. ML:0.4 0.0000097526055 0.192 AML other m 2023-08-20T20:35:33.61
IV.FOSV.EHN. ML:0.5 0.000012650992 0.2176 AML other m 2023-08-20T20:35:33.50
IV.NRCA.HHE. ML:0.6 0.0000156896 0.1408 AML other m 2023-08-20T20:35:34.04
IV.NRCA.HHN. ML:0.6 0.000012541635 0.1152 AML other m 2023-08-20T20:35:36.08
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