Earthquake with magnitude of ML 0.7 on date 31-03-2023 and time 00:25:36 (Italy) in region 3 km S Fiastra (MC)

A magnitude ML 0.7 earthquake occured in region: 3 km S Fiastra (MC), on

  • 30-03-2023 22:25:36 (UTC)
  • 31-03-2023 00:25:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0120, 13.1480 at 9 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
Fiastra MC 3 559 559
Acquacanina MC 3 121 680
Fiordimonte MC 6 202 882
Bolognola MC 7 142 1024
Ussita MC 8 444 1468
Pievebovigliana MC 8 866 2334
Pieve Torina MC 9 1458 3792
Visso MC 10 1107 4899
Muccia MC 12 915 5814
Monte Cavallo MC 12 145 5959
Sarnano MC 13 3264 9223
Castelsantangelo sul Nera MC 13 281 9504
Cessapalombo MC 14 512 10016
Camerino MC 15 6974 16990
Caldarola MC 16 1823 18813
Camporotondo di Fiastrone MC 17 563 19376
Gualdo MC 17 815 20191
Preci PG 17 724 20915
Serravalle di Chienti MC 17 1070 21985
Amandola FM 17 3629 25614
San Ginesio MC 18 3498 29112
Montefortino FM 18 1178 30290
Belforte del Chienti MC 19 1886 32176
Serrapetrona MC 19 966 33142
Montemonaco AP 19 604 33746

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
63 Km E of Perugia (166134 inhabitants)
65 Km NE of Terni (111501 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
76 Km N of L'Aquila (69753 inhabitants)
93 Km S of Fano (60888 inhabitants)
99 Km NW of Montesilvano (53738 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 0.7 2023-03-30
22:25:36
43.0123 13.1477 9 2023-03-30
22:51:18
Sala Sismica INGV-Roma 115898561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-30 22:25:36 ± 0.09
Latitude 43.0123 ± 0.0045
Longitude 13.1477 ± 0.0061
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115898561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 490
Semi-minor axis of confidence ellipse (meter) 382
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 197
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22933
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.5
Num. used stations 4
Type of magnitude ML
Reference to an origin 115898561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-30 22:51:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2023-03-30T22:25:45.90 0.6 undecidable manual S 96 25.4523 110 0.47 44
IV.CESI.HHZ. 2023-03-30T22:25:43.64 0.6 undecidable manual S 268 19.7691 115 0.05 49
7F.SIB2.EHZ. 2023-03-30T22:25:43.20 0.6 undecidable manual S 137 18.4704 117 0 48
IV.NRCA.HHZ. 2023-03-30T22:25:43.69 0.6 undecidable manual S 188 20.0688 115 0 49
IV.MML1.EHZ. 2023-03-30T22:25:42.84 3.0 undecidable manual S 0
IV.MF5.EHZ. 2023-03-30T22:25:41.58 0.1 undecidable manual P 96 25.4523 110 0.13 94
IV.NRCA.HHZ. 2023-03-30T22:25:40.29 0.1 undecidable manual P 188 20.0688 115 -0.15 97
IV.FDMO.HHZ. 2023-03-30T22:25:40.09 0.6 undecidable manual S 299 5.5944 149 0.31 50
IV.CESI.HHZ. 2023-03-30T22:25:40.25 0.1 undecidable manual P 268 19.7691 115 -0.14 99
7F.SIB2.EHZ. 2023-03-30T22:25:40.23 0.1 undecidable manual P 137 18.4704 117 0.06 100
IV.CSP1.EHZ. 2023-03-30T22:25:40.62 0.6 undecidable manual S 28 9.9789 133 -0.14 48
IV.CSP1.EHZ. 2023-03-30T22:25:38.58 0.1 undecidable manual P 28 9.9789 133 -0.17 98
IV.FDMO.HHZ. 2023-03-30T22:25:38.34 0.1 undecidable manual P 299 5.5944 149 0.15 100
IV.MML1.EHZ. 2023-03-30T22:25:31.45 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.2 0.0000295 0.2 AML other m 2023-03-30T22:25:40.26
IV.FDMO.HHN. ML:0.4 0.000039 0.2 AML other m 2023-03-30T22:25:40.28
IV.SNTG.HHE. ML:0.9 0.0000392 1.5 AML other m 2023-03-30T22:25:55.21
IV.SNTG.HHN. ML:1.3 0.00009090000000000001 0.26 AML other m 2023-03-30T22:25:55.51
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