Earthquake with magnitude of ML 0.4 on date 20-11-2023 and time 09:21:00 (UTC) in region 3 km SW Serrapetrona (MC)

A magnitude ML 0.4 earthquake occured in region: 3 km SW Serrapetrona (MC), on

  • 20-11-2023 09:21:00 (UTC)
  • 20-11-2023 10:21:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1500, 13.1710 at 7 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
Serrapetrona MC 4 966 966
Caldarola MC 5 1823 2789
Belforte del Chienti MC 6 1886 4675
Camporotondo di Fiastrone MC 8 563 5238
Camerino MC 8 6974 12212
Cessapalombo MC 8 512 12724
San Severino Marche MC 9 12726 25450
Castelraimondo MC 11 4587 30037
Tolentino MC 11 20069 50106
Pievebovigliana MC 12 866 50972
Fiastra MC 13 559 51531
Muccia MC 13 915 52446
San Ginesio MC 13 3498 55944
Gagliole MC 13 620 56564
Acquacanina MC 13 121 56685
Fiordimonte MC 14 202 56887
Pieve Torina MC 15 1458 58345
Colmurano MC 15 1263 59608
Pioraco MC 15 1134 60742
Ripe San Ginesio MC 16 852 61594
Gualdo MC 16 815 62409
Sarnano MC 17 3264 65673
Urbisaglia MC 18 2628 68301
Matelica MC 18 9981 78282
Bolognola MC 18 142 78424
Sefro MC 18 422 78846
Sant'Angelo in Pontano MC 19 1436 80282
Pollenza MC 20 6618 86900
Serravalle di Chienti MC 20 1070 87970
Fiuminata MC 20 1402 89372

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NE of Foligno (57155 inhabitants)
59 Km SW of Ancona (100861 inhabitants)
64 Km E of Perugia (166134 inhabitants)
70 Km NW of Teramo (54892 inhabitants)
78 Km NE of Terni (111501 inhabitants)
78 Km S of Fano (60888 inhabitants)
87 Km S of Pesaro (94582 inhabitants)
91 Km N 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 2023-11-20
09:21:00
43.1498 13.1708 7 2023-11-20
09:38:41
Sala Sismica INGV-Roma 123285291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-20 09:21:00 ± 0.13
Latitude 43.1498 ± 0.0036
Longitude 13.1708 ± 0.0062
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123285291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 549
Semi-minor axis of confidence ellipse (meter) 75
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
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) 103
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27609
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 123285291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-20 09:38:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.CLUD.HHZ. 2023-11-20T09:22:38.68 3.0 undecidable manual Sn -2.99 0
IV.SPS2.HHZ. 2023-11-20T09:22:38.27 3.0 undecidable manual Sg 14.63 0
MN.BNI.HHZ. 2023-11-20T09:22:35.74 3.0 positive manual Pg 29.629999 0
IT.DLNV.HNZ. 2023-11-20T09:22:29.89 3.0 undecidable manual Sn -9.99 0
IV.BULT.EHZ. 2023-11-20T09:22:23.95 3.0 undecidable manual Sn 2.41 0
IV.NOCI.HHZ. 2023-11-20T09:22:15.33 3.0 undecidable manual Sg 4.01 0
IV.SSY.HHZ. 2023-11-20T09:22:04.14 3.0 undecidable manual Pn 5.16 0
7C.SPAOL.HNZ. 2023-11-20T09:22:03.93 3.0 undecidable manual Pg 10.12 0
IV.ACATE.EHZ. 2023-11-20T09:22:02.81 3.0 positive manual Pn 3.44 0
IV.ERC.EHZ. 2023-11-20T09:21:58.81 3.0 undecidable manual Pg 14.1 0
IV.SPS2.HHZ. 2023-11-20T09:21:50.33 3.0 negative manual Pg 11.6 0
IV.CSNT.HHZ. 2023-11-20T09:21:43.21 3.0 undecidable manual Sn -0.61 0
IV.IFIL.HHZ. 2023-11-20T09:21:38.93 3.0 negative manual Pn -0.02 0
7F.SIB2.EHN. 2023-11-20T09:21:10.82 0.6 undecidable manual S 159 30.6471 103 -0.22 47
7F.SIB1.EHZ. 2023-11-20T09:21:10.71 0.6 undecidable manual S 164 29.4483 104 0.09 48
IV.EL6.EHE. 2023-11-20T09:21:08.18 0.6 undecidable manual S 344 20.6682 110 0.47 45
IV.CING.HHZ. 2023-11-20T09:21:08.95 0.6 undecidable manual S 5 25.1526 106 -0.22 47
IV.SNTG.HHZ. 2023-11-20T09:21:07.70 0.6 undecidable manual S 302 21.9669 108 -0.43 45
IV.MMO1.EHZ. 2023-11-20T09:21:06.56 0.6 undecidable manual P 155 30.5472 104 0.17 47
7F.SIB1.EHZ. 2023-11-20T09:21:06.02 0.3 undecidable manual P 164 29.4483 104 -0.15 71
IV.MML1.EHZ. 2023-11-20T09:21:06.41 0.6 undecidable manual S 256 16.6722 114 0.01 50
7F.SIB2.EHN. 2023-11-20T09:21:06.14 0.3 undecidable manual P 159 30.6471 103 -0.27 69
IV.FDMO.HHZ. 2023-11-20T09:21:05.94 0.6 undecidable manual S 208 14.2746 117 0.28 47
IV.GUMA.HNE. 2023-11-20T09:21:05.79 0.6 undecidable manual S 126 16.4724 114 -0.56 44
IV.SAP2.EHN. 2023-11-20T09:21:05.09 0.6 undecidable manual P 108 19.3695 111 0.84 39
IV.CING.HHZ. 2023-11-20T09:21:05.42 0.3 undecidable manual P 5 25.1526 106 0.09 73
IV.EL6.EHE. 2023-11-20T09:21:04.54 0.1 undecidable manual P 344 20.6682 110 0.05 98
IV.SNTG.HHZ. 2023-11-20T09:21:04.59 0.3 undecidable manual P 302 21.9669 108 -0.14 72
IV.CIGN.HHZ. 2023-11-20T09:21:03.70 3.0 positive manual P -2.87 0
IV.FDMO.HHZ. 2023-11-20T09:21:03.71 0.3 undecidable manual P 208 14.2746 117 0.4 69
IV.MML1.EHZ. 2023-11-20T09:21:03.65 0.3 undecidable manual P 256 16.6722 114 -0.09 74
IV.MDAR.HNN. 2023-11-20T09:21:03.22 0.6 undecidable manual S 334 5.2947 144 -0.01 51
IV.CSP1.EHZ. 2023-11-20T09:21:03.74 0.6 undecidable manual S 157 6.993 136 0.13 49
IV.GUMA.HNE. 2023-11-20T09:21:03.73 0.6 undecidable manual P 126 16.4724 114 0.03 50
IV.CSP1.EHZ. 2023-11-20T09:21:02.05 0.1 undecidable manual P 157 6.993 136 -0.08 100
IV.MDAR.HNN. 2023-11-20T09:21:01.78 0.3 undecidable manual P 334 5.2947 144 -0.12 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.4 0.0000307 0.42 AML other m 2023-11-20T09:21:07.37
IV.FDMO.HHE. ML:0.5 0.00003335 0.74 AML other m 2023-11-20T09:21:07.45
IV.MML1.EHN. ML:0.6 0.00004195 1.16 AML other m 2023-11-20T09:21:08.83
IV.MML1.EHE. ML:0.6 0.00003735 0.58 AML other m 2023-11-20T09:21:11.32
IV.SNTG.HHE. ML:0.2 0.000009834063 0.1024 AML other m 2023-11-20T09:21:10.14
IV.SNTG.HHN. ML:0.3 0.000013969414999999998 0.2176 AML other m 2023-11-20T09:21:08.88
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