Earthquake with magnitude of ML 0.9 on date 09-04-2023 and time 21:14:06 (Italy) in region 3 km W Fiastra (MC)

A magnitude ML 0.9 earthquake occured in region: 3 km W Fiastra (MC), on

  • 09-04-2023 19:14:06 (UTC)
  • 09-04-2023 21:14:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0290, 13.1260 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
Fiastra MC 3 559 559
Fiordimonte MC 3 202 761
Acquacanina MC 4 121 882
Pievebovigliana MC 5 866 1748
Pieve Torina MC 6 1458 3206
Muccia MC 9 915 4121
Bolognola MC 9 142 4263
Ussita MC 9 444 4707
Monte Cavallo MC 11 145 4852
Visso MC 11 1107 5959
Camerino MC 13 6974 12933
Cessapalombo MC 14 512 13445
Sarnano MC 14 3264 16709
Caldarola MC 15 1823 18532
Serravalle di Chienti MC 15 1070 19602
Castelsantangelo sul Nera MC 15 281 19883
Camporotondo di Fiastrone MC 16 563 20446
Serrapetrona MC 17 966 21412
Belforte del Chienti MC 18 1886 23298
Gualdo MC 18 815 24113
San Ginesio MC 18 3498 27611
Preci PG 18 724 28335
Sefro MC 19 422 28757
Amandola FM 20 3629 32386

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
61 Km E of Perugia (166134 inhabitants)
63 Km NW of Teramo (54892 inhabitants)
65 Km NE of Terni (111501 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
79 Km N of L'Aquila (69753 inhabitants)
91 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 0.9 2023-04-09
19:14:06
43.0292 13.1262 5 2024-03-01
17:18:06
Bollettino Sismico Italiano INGV 116980631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-09 19:14:06 ± 0.14
Latitude 43.0292 ± 0.0036
Longitude 13.1262 ± 0.0062
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116980631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 468
Semi-minor axis of confidence ellipse (meter) 112
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34984
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.5
Num. used stations 9
Type of magnitude ML
Reference to an origin 116980631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-03 08:59:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RORO.HHZ. 2023-04-09T19:15:35.63 3.0 undecidable manual Sg 15.29 0
IV.MCRV.HHZ. 2023-04-09T19:15:25.57 3.0 undecidable manual Sn -1.62 0
7C.SPAOL.HNZ. 2023-04-09T19:15:21.43 3.0 undecidable manual Pn -4.78 0
GU.CANO.HHZ. 2023-04-09T19:15:20.15 3.0 undecidable manual Sn 2.39 0
IV.MSRU.HHZ. 2023-04-09T19:15:19.74 3.0 negative manual Pn 1.04 0
IV.MOCO.HNZ. 2023-04-09T19:15:18.44 3.0 undecidable manual Sn 2.51 0
NI.POLC.HHZ. 2023-04-09T19:15:01.14 3.0 undecidable manual Sn -1.95 0
IV.PABO.HHZ. 2023-04-09T19:14:59.62 3.0 undecidable manual Sn -0.07 0
IV.ORI.HHZ. 2023-04-09T19:14:58.93 3.0 undecidable manual Pn -3.9 0
SI.ROSI.HHZ. 2023-04-09T19:14:53.37 3.0 negative manual Pg 6.95 0
IV.CAFE.HHZ. 2023-04-09T19:14:53.09 3.0 positive manual Pg 8.68 0
IV.FIU.EHZ. 2023-04-09T19:14:38.18 3.0 undecidable manual Sg 4.63 0
OX.PLRO.HHZ. 2023-04-09T19:14:37.86 3.0 positive manual Pn -3.06 0
IV.SEI.HHZ. 2023-04-09T19:14:21.38 3.0 undecidable manual S -3.25 0
IV.CING.HHZ. 2023-04-09T19:14:20.44 0.6 undecidable manual S 8 38.8278 97 0.04 47
IV.EL6.EHZ. 2023-04-09T19:14:18.25 0.6 undecidable manual S 357 33.3444 98 -0.26 46
IV.SNTG.HHZ. 2023-04-09T19:14:17.28 0.6 undecidable manual S 329 29.2485 99 0.19 46
IV.NRCA.HHZ. 2023-04-09T19:14:15.28 0.3 undecidable manual S 183 21.7671 102 0.75 60
IV.CING.HHZ. 2023-04-09T19:14:14.68 0.6 undecidable manual P 8 38.8278 97 0.02 47
IV.CESI.HHZ. 2023-04-09T19:14:13.71 0.3 undecidable manual S 262 18.1707 104 0.38 68
IV.EL6.EHZ. 2023-04-09T19:14:13.04 0.3 undecidable manual P 357 33.3444 98 -0.53 64
7F.SIB3.EHN. 2023-04-09T19:14:13.54 0.6 undecidable manual S 146 20.6682 102 -0.64 42
IV.GUMA.HHZ. 2023-04-09T19:14:13.80 0.3 undecidable manual S 78 17.3715 105 0.75 60
7F.SIB1.EHE. 2023-04-09T19:14:13.81 0.6 undecidable manual S 142 18.9699 103 0.23 47
IV.SNTG.HHZ. 2023-04-09T19:14:12.43 0.3 undecidable manual P 329 29.2485 99 -0.32 68
IV.MML1.EHZ. 2023-04-09T19:14:12.93 0.3 undecidable manual S 307 15.6732 106 0.46 67
IV.PF6.EHN. 2023-04-09T19:14:11.92 0.3 undecidable manual S 25 13.2756 109 0.23 71
IV.IMOL.HNZ. 2023-04-09T19:14:11.69 3.0 positive manual P -0.25 0
IV.GUMA.HHZ. 2023-04-09T19:14:10.62 0.3 undecidable manual P 78 17.3715 105 0.2 71
IT.FIE.HGZ. 2023-04-09T19:14:10.19 3.0 undecidable manual P -0.43 0
7F.SIB1.EHE. 2023-04-09T19:14:10.24 0.3 undecidable manual P 142 18.9699 103 -0.49 67
IV.CSP1.EHZ. 2023-04-09T19:14:10.44 0.3 undecidable manual S 42 9.3795 116 -0.02 75
IV.NRCA.HHZ. 2023-04-09T19:14:10.88 1.0 undecidable manual P 183 21.7671 102 -0.39 23
IV.CESI.HHZ. 2023-04-09T19:14:10.59 0.6 positive manual P 262 18.1707 104 0.01 49
IV.MML1.EHZ. 2023-04-09T19:14:10.09 0.6 positive manual P 307 15.6732 106 0.01 49
7F.SIB3.EHN. 2023-04-09T19:14:10.58 0.6 undecidable manual P 146 20.6682 102 -0.5 44
IV.PF6.EHN. 2023-04-09T19:14:09.62 0.3 undecidable manual P 25 13.2756 109 -0.02 74
IV.FDMO.HHZ. 2023-04-09T19:14:08.55 0.1 undecidable manual S 285 3.2967 144 -0.22 97
IV.CSP1.EHZ. 2023-04-09T19:14:08.92 0.1 undecidable manual P 42 9.3795 116 0 100
IV.FDMO.HHZ. 2023-04-09T19:14:07.74 0.1 undecidable manual P 285 3.2967 144 -0.2 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:1.1 0.0002145 0.54 AML other m 2023-04-09T19:14:11.65
IV.CSP1.EHE. ML:1.0 0.00019798304999999998 0.1536 AML other m 2023-04-09T19:14:10.74
IV.MML1.EHN. ML:0.9 0.0000844 0.84 AML other m 2023-04-09T19:14:13.84
IV.MML1.EHE. ML:0.8 0.0000655 0.2 AML other m 2023-04-09T19:14:13.67
IV.CESI.HHE. ML:0.6 0.0000366 0.42 AML other m 2023-04-09T19:14:13.72
IT.FIE.HGN. ML:5.3 0.07345 0.02 AML other m 2023-04-09T19:14:15.08
IV.CESI.HHN. ML:0.6 0.00003289274 0.9984 AML other m 2023-04-09T19:14:16.42
IV.NRCA.HHE. ML:0.9 0.00005595 0.14 AML other m 2023-04-09T19:14:16.59
IV.NRCA.HHN. ML:0.8 0.00004855 1.3 AML other m 2023-04-09T19:14:16.09
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