Earthquake with magnitude of ML 0.2 on date 18-04-2023 and time 14:46:31 (UTC) in region 5 km S Serra Sant'Abbondio (PU)

A magnitude ML 0.2 earthquake occured in region: 5 km S Serra Sant'Abbondio (PU), on

  • 18-04-2023 14:46:31 (UTC)
  • 18-04-2023 16:46:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4520, 12.7820 at 14 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
Serra Sant'Abbondio PU 5 1027 1027
Sassoferrato AN 7 7285 8312
Frontone PU 8 1300 9612
Scheggia e Pascelupo PG 11 1393 11005
Costacciaro PG 12 1216 12221
Genga AN 13 1797 14018
Cantiano PU 13 2245 16263
Pergola PU 13 6333 22596
Sigillo PG 14 2404 25000
Arcevia AN 14 4612 29612
Cagli PU 15 8731 38343
Fabriano AN 16 31480 69823
Fossato di Vico PG 18 2840 72663
Serra San Quirico AN 19 2850 75513
Gubbio PG 20 32216 107729

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km SW of Fano (60888 inhabitants)
50 Km NE of Perugia (166134 inhabitants)
52 Km S of Pesaro (94582 inhabitants)
55 Km N of Foligno (57155 inhabitants)
62 Km W of Ancona (100861 inhabitants)
70 Km S of Rimini (147750 inhabitants)
73 Km E of Arezzo (99543 inhabitants)
88 Km SE of Cesena (96758 inhabitants)
100 Km N of Terni (111501 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 0.2 2023-04-18
14:46:31
43.4518 12.7822 14 2024-03-01
17:18:20
Bollettino Sismico Italiano INGV 125132571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-18 14:46:31 ± 0.13
Latitude 43.4518 ± 0.0063
Longitude 12.7822 ± 0.0074
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 125132571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 699
Semi-minor axis of confidence ellipse (meter) 53
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 193
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41908
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:0.2

Field Value
Value 0.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 125132571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-02-08 16:56:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTCC.HHZ. 2023-04-18T14:48:08.36 3.0 undecidable manual Sg 10.73 0
GU.CANO.HHZ. 2023-04-18T14:48:03.22 3.0 undecidable manual Sn -1.99 0
MN.SENA.HHZ. 2023-04-18T14:47:53.80 3.0 undecidable manual Sn -7.96 0
OT.OT15.EHZ. 2023-04-18T14:47:50.24 3.0 undecidable manual Sg -0.59 0
1J.FX14.HHZ.00 2023-04-18T14:47:42.42 3.0 positive manual Pg 1.88 0
AC.PUK.HHZ. 2023-04-18T14:47:40.30 3.0 undecidable manual Pg 4.23 0
GU.CANO.HHZ. 2023-04-18T14:47:29.85 3.0 positive manual Pg 9.56 0
IV.IMOL.HNZ. 2023-04-18T14:47:20.71 3.0 undecidable manual Sg 3.11 0
IV.PTCC.HHZ. 2023-04-18T14:47:12.17 3.0 undecidable manual Pn -3.86 0
IV.RIBO.EHZ.01 2023-04-18T14:47:12.95 3.0 undecidable manual Sg 0.71 0
IV.GATE.HHZ. 2023-04-18T14:47:01.58 3.0 undecidable manual Sn -9.99 0
MN.TRI.HHZ. 2023-04-18T14:47:00.31 3.0 positive manual Pn -6.73 0
IV.VCEL.EHZ. 2023-04-18T14:46:47.24 3.0 undecidable manual Sg -7.07 0
IV.SRES.HHZ. 2023-04-18T14:46:44.74 3.0 undecidable manual Sg -9.99 0
IV.ATVO.HHN. 2023-04-18T14:46:42.30 0.6 undecidable manual S 256 31.2465 97 -0.21 46
IV.NARO.HHN. 2023-04-18T14:46:40.80 0.6 undecidable manual S 317 23.9538 102 0.2 47
IV.ASSB.HHN. 2023-04-18T14:46:40.67 0.1 undecidable manual P 192 46.5201 94 0.4 85
IV.ATBU.EHZ. 2023-04-18T14:46:39.60 0.6 undecidable manual S 278 18.9699 108 0.28 46
IV.MPAG.EHZ. 2023-04-18T14:46:39.90 0.6 undecidable manual S 355 19.7691 107 0.39 46
IV.PIEI.HHZ. 2023-04-18T14:46:39.90 0.6 undecidable manual S 295 21.9669 104 -0.18 47
IV.ATCC.EHE. 2023-04-18T14:46:38.36 1.0 undecidable manual P 201 31.746 97 0.35 22
IV.TSM5.DHN. 2023-04-18T14:46:38.10 0.6 undecidable manual S 282 14.7741 118 -0.18 48
IV.ARVD.HHZ. 2023-04-18T14:46:38.30 0.6 undecidable manual S 68 13.7751 121 0.24 48
IV.ATVO.HHN. 2023-04-18T14:46:37.66 0.1 undecidable manual P 256 31.2465 97 -0.28 91
IV.FRON.EHZ. 2023-04-18T14:46:37.20 0.6 undecidable manual S 328 8.5803 139 0.22 48
IV.ATSC.EHE. 2023-04-18T14:46:36.70 0.6 undecidable manual S 248 8.2806 140 -0.23 48
IV.MPAG.EHZ. 2023-04-18T14:46:36.50 0.6 undecidable manual P 355 19.7691 107 0.3 47
IV.SSFR.HHZ. 2023-04-18T14:46:36.20 0.6 undecidable manual S 180 1.6983 171 0.01 50
IV.ATBU.EHZ. 2023-04-18T14:46:36.39 0.1 undecidable manual P 278 18.9699 108 0.3 92
IV.PIEI.HHZ. 2023-04-18T14:46:36.26 0.6 undecidable manual P 295 21.9669 104 -0.27 46
IV.NARO.HHN. 2023-04-18T14:46:36.38 0.6 undecidable manual P 317 23.9538 102 -0.45 44
IV.TSM5.DHN. 2023-04-18T14:46:35.39 0.1 undecidable manual P 282 14.7741 118 -0.1 97
IV.FRON.EHZ. 2023-04-18T14:46:34.88 0.6 negative manual P 328 8.5803 139 0.14 49
IV.ARVD.HHZ. 2023-04-18T14:46:34.81 0.1 undecidable manual P 68 13.7751 121 -0.55 86
IV.SSFR.HHZ. 2023-04-18T14:46:34.32 0.1 undecidable manual P 180 1.6983 171 0.04 100
IV.ATSC.EHE. 2023-04-18T14:46:34.62 0.1 undecidable manual P 248 8.2806 140 -0.09 99
IV.VCEL.EHZ. 2023-04-18T14:46:30.49 3.0 undecidable manual P -9.97 0
IT.CSO1.HGZ. 2023-04-18T14:46:30.87 3.0 undecidable manual P -9.99 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHE. ML:0.5 0.000045382525 0.16 AML other m 2023-04-18T14:46:36.88
IV.SSFR.HHN. ML:0.6 0.00006066161 0.16 AML other m 2023-04-18T14:46:36.61
IV.ARVD.HHE. ML:0.1 0.0000106954245 0.0832 AML other m 2023-04-18T14:46:38.58
IV.ARVD.HHN. ML:0.1 0.0000101435615 0.1856 AML other m 2023-04-18T14:46:38.51
IV.FRON.EHN. ML:0.1 0.00001545204 0.0768 AML other m 2023-04-18T14:46:38.53
IV.FRON.EHE. ML:0.0 0.000008932378 0.1216 AML other m 2023-04-18T14:46:37.70
IV.PIEI.HHE. ML:0.4 0.000012918802 0.1024 AML other m 2023-04-18T14:46:40.20
IV.PIEI.HHN. ML:-0.1 0.0000047566176 0.1216 AML other m 2023-04-18T14:46:40.39
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