Earthquake with magnitude of ML 0.3 on date 02-04-2023 and time 19:47:27 (UTC) in region 3 km SE Fiordimonte (MC)

A magnitude ML 0.3 earthquake occured in region: 3 km SE Fiordimonte (MC), on

  • 02-04-2023 19:47:27 (UTC)
  • 02-04-2023 21:47:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0240, 13.1170 at 4 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
Fiordimonte MC 3 202 202
Fiastra MC 4 559 761
Acquacanina MC 5 121 882
Pievebovigliana MC 5 866 1748
Pieve Torina MC 6 1458 3206
Muccia MC 9 915 4121
Ussita MC 9 444 4565
Bolognola MC 10 142 4707
Monte Cavallo MC 10 145 4852
Visso MC 11 1107 5959
Camerino MC 13 6974 12933
Serravalle di Chienti MC 14 1070 14003
Castelsantangelo sul Nera MC 15 281 14284
Cessapalombo MC 15 512 14796
Sarnano MC 15 3264 18060
Caldarola MC 16 1823 19883
Camporotondo di Fiastrone MC 17 563 20446
Preci PG 17 724 21170
Serrapetrona MC 18 966 22136
Belforte del Chienti MC 19 1886 24022
Gualdo MC 19 815 24837
San Ginesio MC 19 3498 28335
Sefro MC 19 422 28757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
60 Km E of Perugia (166134 inhabitants)
63 Km NW of Teramo (54892 inhabitants)
64 Km NE of Terni (111501 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
78 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
100 Km S of Pesaro (94582 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 0.3 2023-04-02
19:47:27
43.0237 13.1173 4 2024-03-01
17:18:04
Bollettino Sismico Italiano INGV 116547331
Reviewed
Rev100
ML 0.3 2023-04-02
19:47:27
43.0233 13.1182 3 2023-04-02
19:55:54
Sala Sismica INGV-Roma 115981071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-02 19:47:27 ± 0.08
Latitude 43.0237 ± 0.0027
Longitude 13.1173 ± 0.0037
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116547331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 310
Semi-minor axis of confidence ellipse (meter) 116
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19695
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 116547331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-20 10:59:55

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 115981071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-02 19:55:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
1J.FX14.HHZ.00 2023-04-02T19:49:17.04 3.0 undecidable manual Sn -3.64 0
ST.ZIAN.EHZ. 2023-04-02T19:48:15.23 3.0 positive manual Pg 9.95 0
ST.GAGG.HHZ. 2023-04-02T19:48:00.66 3.0 positive manual Pn -6.01 0
GU.GRAM.HHZ. 2023-04-02T19:47:55.09 3.0 negative manual Pn -5.73 0
IV.LMD.HHZ. 2023-04-02T19:47:51.29 3.0 positive manual Pg 6.76 0
IV.PAOL.HHZ. 2023-04-02T19:47:41.11 3.0 undecidable manual Pn 1.56 0
7F.SIB3.EHE. 2023-04-02T19:47:35.08 0.6 undecidable manual S 143 20.6682 100 -0.03 48
IV.MMO1.EHE. 2023-04-02T19:47:35.62 0.6 undecidable manual S 129 21.867 100 0.07 48
IV.NRCA.HHZ. 2023-04-02T19:47:35.52 0.6 undecidable manual S 181 21.0678 100 0.25 46
IV.CESI.HHZ. 2023-04-02T19:47:34.22 0.6 undecidable manual S 263 17.3715 102 0.21 47
IV.POFI.HHZ. 2023-04-02T19:47:33.05 3.0 undecidable manual Pn -0.12 0
IV.MML1.EHZ. 2023-04-02T19:47:33.42 0.1 undecidable manual S 310 15.4734 103 0.06 97
IV.CRTC.HHZ. 2023-04-02T19:47:33.11 3.0 negative manual Pn -0.53 0
IV.PF6.EHN. 2023-04-02T19:47:32.91 0.6 undecidable manual S 26 14.0748 105 0 49
IV.NRCA.HHZ. 2023-04-02T19:47:32.49 0.6 positive manual P 181 21.0678 100 0.36 45
IV.CSP1.EHZ. 2023-04-02T19:47:31.96 0.6 undecidable manual S 43 10.3785 110 0.3 46
IV.CESI.HHZ. 2023-04-02T19:47:31.31 0.1 undecidable manual P 263 17.3715 102 -0.09 96
7F.SIB3.EHE. 2023-04-02T19:47:31.96 0.1 undecidable manual P 143 20.6682 100 -0.08 96
IV.MMO1.EHE. 2023-04-02T19:47:31.99 0.1 undecidable manual P 129 21.867 100 -0.3 91
IV.CSP1.EHZ. 2023-04-02T19:47:30.21 0.3 positive manual P 43 10.3785 110 0.16 72
IV.PF6.EHN. 2023-04-02T19:47:30.73 0.1 undecidable manual P 26 14.0748 105 -0.04 97
IV.MML1.EHZ. 2023-04-02T19:47:30.90 0.1 undecidable manual P 310 15.4734 103 -0.13 96
IV.FDMO.HHZ. 2023-04-02T19:47:29.33 0.3 undecidable manual S 300 2.7972 142 -0.13 73
IV.MOMA.HHZ. 2023-04-02T19:47:29.34 3.0 undecidable manual Pg -4.54 0
IV.FDMO.HHZ. 2023-04-02T19:47:28.78 0.1 undecidable manual P 300 2.7972 142 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:0.5 0.00005135 1.5 AML other m 2023-04-02T19:47:33.05
IV.CSP1.EHE. ML:0.6 0.000058615 0.96 AML other m 2023-04-02T19:47:34.30
IV.CESI.HHE. ML:0.2 0.000015179735 0.2304 AML other m 2023-04-02T19:47:34.28
IV.CESI.HHN. ML:0.0 0.0000075814295 0.4992 AML other m 2023-04-02T19:47:35.51
IV.NRCA.HHN. ML:0.3 0.000014020625 0.1408 AML other m 2023-04-02T19:47:36.17
IV.NRCA.HHE. ML:0.3 0.000015806617000000002 0.0896 AML other m 2023-04-02T19:47:37.40
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