Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 28-04-2023 and time 12:43:42 (Italy) in region 4 km SW Serrapetrona (MC)

A magnitude ML 1.3 earthquake occured in region: 4 km SW Serrapetrona (MC), on

  • 28-04-2023 10:43:42 (UTC)
  • 28-04-2023 12:43:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1500, 13.1620 at 16 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
Serrapetrona MC 4 966 966
Caldarola MC 6 1823 2789
Belforte del Chienti MC 7 1886 4675
Camerino MC 8 6974 11649
Camporotondo di Fiastrone MC 9 563 12212
San Severino Marche MC 9 12726 24938
Cessapalombo MC 9 512 25450
Castelraimondo MC 11 4587 30037
Pievebovigliana MC 11 866 30903
Muccia MC 12 915 31818
Tolentino MC 12 20069 51887
Fiastra MC 13 559 52446
Gagliole MC 13 620 53066
Acquacanina MC 13 121 53187
San Ginesio MC 14 3498 56685
Fiordimonte MC 14 202 56887
Pioraco MC 15 1134 58021
Pieve Torina MC 15 1458 59479
Colmurano MC 16 1263 60742
Ripe San Ginesio MC 17 852 61594
Sarnano MC 17 3264 64858
Gualdo MC 17 815 65673
Sefro MC 17 422 66095
Matelica MC 17 9981 76076
Bolognola MC 18 142 76218
Urbisaglia MC 18 2628 78846
Serravalle di Chienti MC 19 1070 79916
Fiuminata MC 19 1402 81318
Sant'Angelo in Pontano MC 20 1436 82754

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NE of Foligno (57155 inhabitants)
60 Km SW of Ancona (100861 inhabitants)
63 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
Bulletin
Rev1000 		ML 1.3 2023-04-28
10:43:42		 43.1497 13.1615 16 2024-03-01
17:18:08		 Bollettino Sismico Italiano INGV 117421161
Reviewed
Rev100 		ML 1.4 2023-04-28
10:43:42		 43.1593 13.1577 17 2023-04-28
11:04:13		 Sala Sismica INGV-Roma 116834011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-28 10:43:42 ± 0.06
Latitude 43.1497 ± 0.0027
Longitude 13.1615 ± 0.0049
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117421161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 360
Semi-minor axis of confidence ellipse (meter) 9
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 79
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) 69
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61783
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 117421161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-17 10:03:06

ML:1.4

Field Value
Value 1.4
Uncertainty 0.5
Num. used stations 20
Type of magnitude ML
Reference to an origin 116834011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-28 11:04:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VARE.HHZ. 2023-04-28T10:45:34.07 3.0 undecidable manual Sn -3.35 0
MN.CUC.HHZ. 2023-04-28T10:45:20.76 3.0 undecidable manual Sn -8.99 0
GU.RNCA.HHZ. 2023-04-28T10:45:19.19 3.0 undecidable manual Sn 2.15 0
IV.MCRV.HHZ. 2023-04-28T10:45:02.52 3.0 undecidable manual Sn -4.49 0
IV.ORI.HHZ. 2023-04-28T10:44:55.41 3.0 undecidable manual Pg 8.89 0
OT.OT14.EHZ. 2023-04-28T10:44:50.51 3.0 undecidable manual Sn -6.61 0
IV.PTRJ.HHZ. 2023-04-28T10:44:45.82 3.0 undecidable manual Sg -2.93 0
GU.CANO.HHZ. 2023-04-28T10:44:41.35 3.0 positive manual Pn -0.39 0
OX.SABO.HHZ. 2023-04-28T10:44:34.98 3.0 undecidable manual Pg 4.61 0
NI.VINO.HHZ. 2023-04-28T10:44:29.84 3.0 positive manual Pn -3.85 0
IV.BRSN.HNZ. 2023-04-28T10:44:28.95 3.0 undecidable manual S -0.81 0
ZO.PDN2.HNZ. 2023-04-28T10:44:27.42 3.0 positive manual Pn -2.57 0
OT.OT17.EHZ. 2023-04-28T10:44:24.56 3.0 positive manual Pg 2.24 0
IV.LPEL.HHZ. 2023-04-28T10:44:09.55 3.0 positive manual P -0.93 0
IV.RIBO.EHZ.01 2023-04-28T10:44:09.74 3.0 undecidable manual Pn -2.43 0
IV.AOI.HHE. 2023-04-28T10:44:00.11 0.3 undecidable manual S 38 56.8986 96 0.38 64
IV.SSFR.HHZ. 2023-04-28T10:43:56.59 0.3 undecidable manual S 316 44.1225 98 0.24 68
IV.TERO.HHZ. 2023-04-28T10:43:54.28 0.1 undecidable manual P 148 68.5758 95 0.24 86
IV.NRCA.HHZ. 2023-04-28T10:43:54.12 0.3 undecidable manual S 186 35.2425 101 0.11 70
IV.PIEI.HHZ. 2023-04-28T10:43:53.92 0.1 undecidable manual P 310 66.2781 95 0.24 87
7F.SIB3.EHN. 2023-04-28T10:43:53.09 0.6 undecidable manual S 164 31.746 103 0.01 48
7F.SIB2.EHE. 2023-04-28T10:43:52.82 0.6 undecidable manual S 158 30.9468 104 -0.05 48
IV.MMO1.EHN. 2023-04-28T10:43:52.51 0.6 undecidable manual S 154 30.8469 104 -0.34 45
IV.AOI.HHE. 2023-04-28T10:43:52.31 0.3 undecidable manual P 38 56.8986 96 0.06 68
IV.CESI.HHZ. 2023-04-28T10:43:52.00 0.3 undecidable manual S 232 26.2515 107 0.32 69
IV.CING.HHZ. 2023-04-28T10:43:51.12 0.6 undecidable manual S 6 25.2525 108 -0.29 46
IV.SAP2.EHE. 2023-04-28T10:43:50.44 0.3 undecidable manual S 107 20.1687 115 0.3 70
IV.ARVD.HHZ. 2023-04-28T10:43:50.03 0.6 negative manual P 335 42.5241 99 -0.02 47
IV.SSFR.HHZ. 2023-04-28T10:43:50.50 0.3 undecidable manual P 316 44.1225 98 0.21 68
IV.EL6.EHZ. 2023-04-28T10:43:50.35 0.6 undecidable manual S 346 20.5683 115 0.11 49
IV.SNTG.HHZ. 2023-04-28T10:43:50.26 0.3 undecidable manual S 303 21.3675 113 -0.19 71
IT.MTCL.HGZ. 2023-04-28T10:43:50.63 0.6 undecidable manual S 217 21.6672 113 0.1 48
IV.GUMA.HHZ. 2023-04-28T10:43:49.84 0.3 undecidable manual S 124 17.0718 121 0.42 68
IV.ATCC.EHZ. 2023-04-28T10:43:49.73 0.1 undecidable manual P 276 42.4242 99 -0.29 90
IV.MML1.HNE. 2023-04-28T10:43:49.64 0.6 undecidable manual S 255 15.873 124 0.48 45
IV.FDMO.HHN. 2023-04-28T10:43:48.88 0.6 undecidable manual S 206 13.875 129 0.14 49
IV.NRCA.HHZ. 2023-04-28T10:43:48.65 0.1 undecidable manual P 186 35.2425 101 -0.3 91
IV.MF5.EHZ. 2023-04-28T10:43:48.43 1.0 negative manual P 127 30.1476 104 0.26 23
7F.SIB2.EHE. 2023-04-28T10:43:48.05 0.1 undecidable manual P 158 30.9468 104 -0.24 93
7F.SIB3.EHN. 2023-04-28T10:43:48.04 0.1 undecidable manual P 164 31.746 103 -0.37 90
IV.MMO1.EHN. 2023-04-28T10:43:48.04 0.3 undecidable manual P 154 30.8469 104 -0.24 70
IV.CSP1.EHZ. 2023-04-28T10:43:47.72 0.6 undecidable manual S 151 7.2927 150 0.15 49
IV.PF6.EHN. 2023-04-28T10:43:47.02 0.6 undecidable manual S 116 2.997 167 -0.12 49
IV.CESI.HHZ. 2023-04-28T10:43:47.62 1.0 undecidable manual P 232 26.2515 107 0.02 24
IV.CING.HHZ. 2023-04-28T10:43:47.11 0.3 negative manual P 6 25.2525 108 -0.33 69
IV.MDAR.HNN. 2023-04-28T10:43:47.38 0.6 undecidable manual S 342 4.995 158 0.08 50
IV.MML1.HNE. 2023-04-28T10:43:46.23 0.1 undecidable manual P 255 15.873 124 0.09 98
IT.MTCL.HGZ. 2023-04-28T10:43:46.95 0.1 undecidable manual P 217 21.6672 113 0.01 98
IV.SAP2.EHE. 2023-04-28T10:43:46.57 0.6 undecidable manual P 107 20.1687 115 -0.14 48
IV.GUMA.HHZ. 2023-04-28T10:43:46.39 0.1 undecidable manual P 124 17.0718 121 0.09 97
IV.EL6.EHZ. 2023-04-28T10:43:46.59 0.1 undecidable manual P 346 20.5683 115 -0.18 95
IV.SNTG.HHZ. 2023-04-28T10:43:46.82 0.1 undecidable manual P 303 21.3675 113 -0.07 97
IV.CSP1.EHZ. 2023-04-28T10:43:45.28 0.1 negative manual P 151 7.2927 150 0.05 100
IV.FDMO.HHN. 2023-04-28T10:43:45.81 0.1 undecidable manual P 206 13.875 129 -0.09 98
IV.PF6.EHN. 2023-04-28T10:43:44.81 0.1 undecidable manual P 116 2.997 167 -0.17 98
IV.MDAR.HNN. 2023-04-28T10:43:44.96 0.1 undecidable manual P 342 4.995 158 -0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.8 0.000666 1.38 AML other m 2023-04-28T10:43:47.94
IV.CSP1.EHN. ML:1.8 0.0006725000000000001 0.9 AML other m 2023-04-28T10:43:48.00
IV.GUMA.HHE. ML:1.7 0.00038500000000000003 0.22 AML other m 2023-04-28T10:43:50.17
IV.GUMA.HHN. ML:1.5 0.00021700000000000002 0.54 AML other m 2023-04-28T10:43:50.20
IV.EL6.EHN. ML:1.5 0.000185 0.86 AML other m 2023-04-28T10:43:50.29
IV.EL6.EHE. ML:1.4 0.0001685 0.22 AML other m 2023-04-28T10:43:50.75
IV.SNTG.HHN. ML:1.2 0.00008549999999999999 1.58 AML other m 2023-04-28T10:43:51.05
IV.SNTG.HHE. ML:1.1 0.00007384999999999999 1.5 AML other m 2023-04-28T10:43:51.95
IV.CING.HHE. ML:1.2 0.00008285000000000001 1.4 AML other m 2023-04-28T10:43:51.71
IV.CING.HHN. ML:1.2 0.00007664999999999999 0.18 AML other m 2023-04-28T10:43:51.86
IV.CESI.HHN. ML:1.1 0.00006035 0.32 AML other m 2023-04-28T10:43:52.83
IV.CESI.HHE. ML:1.1 0.00006185 0.64 AML other m 2023-04-28T10:43:53.33
IV.NRCA.HHE. ML:1.4 0.00008340000000000001 0.42 AML other m 2023-04-28T10:43:55.13
IV.NRCA.HHN. ML:1.2 0.0000544 0.1 AML other m 2023-04-28T10:43:55.72
IV.ARVD.HHE. ML:0.8 0.00001775 1.36 AML other m 2023-04-28T10:43:57.71
IV.SSFR.HHE. ML:1.3 0.000054 1.3 AML other m 2023-04-28T10:43:57.20
IV.SSFR.HHN. ML:1.2 0.00004425 0.1 AML other m 2023-04-28T10:43:57.86
IV.ARVD.HHN. ML:0.8 0.0000196 1.2 AML other m 2023-04-28T10:43:58.78
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