Earthquake with magnitude of ML 1.0 on date 31-05-2023 and time 01:53:16 (UTC) in region 1 km NE Fiordimonte (MC)

A magnitude ML 1.0 earthquake occured in region: 1 km NE Fiordimonte (MC), on

  • 31-05-2023 01:53:16 (UTC)
  • 31-05-2023 03:53:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0440, 13.0960 at 10 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
Fiordimonte MC 1 202 202
Pievebovigliana MC 2 866 1068
Pieve Torina MC 4 1458 2526
Fiastra MC 5 559 3085
Muccia MC 6 915 4000
Acquacanina MC 7 121 4121
Monte Cavallo MC 9 145 4266
Camerino MC 11 6974 11240
Ussita MC 12 444 11684
Bolognola MC 12 142 11826
Serravalle di Chienti MC 12 1070 12896
Visso MC 13 1107 14003
Caldarola MC 15 1823 15826
Cessapalombo MC 15 512 16338
Sefro MC 17 422 16760
Sarnano MC 17 3264 20024
Serrapetrona MC 17 966 20990
Camporotondo di Fiastrone MC 17 563 21553
Castelsantangelo sul Nera MC 17 281 21834
Pioraco MC 18 1134 22968
Belforte del Chienti MC 18 1886 24854
Castelraimondo MC 19 4587 29441
Preci PG 19 724 30165
San Ginesio MC 19 3498 33663
Gualdo MC 20 815 34478

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
58 Km E of Perugia (166134 inhabitants)
65 Km NE of Terni (111501 inhabitants)
66 Km NW of Teramo (54892 inhabitants)
72 Km SW of Ancona (100861 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
89 Km S of Fano (60888 inhabitants)
98 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
Reviewed
Rev100
ML 1.0 2023-05-31
01:53:16
43.0438 13.0958 10 2023-05-31
02:00:50
Sala Sismica INGV-Roma 117895951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-31 01:53:16 ± 0.18
Latitude 43.0438 ± 0.0045
Longitude 13.0958 ± 0.0037
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117895951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 383
Semi-minor axis of confidence ellipse (meter) 272
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 182
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22213
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 117895951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-31 02:00:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2023-05-31T01:53:36.41 3.0 undecidable manual S -0.44 0
IV.SSFR.HHZ. 2023-05-31T01:53:25.28 3.0 undecidable manual P 0.01 0
IV.NRCA.HHZ. 2023-05-31T01:53:25.03 0.6 undecidable manual S 176 23.3544 114 -0.09 48
IV.GUMA.HHZ. 2023-05-31T01:53:24.22 0.6 undecidable manual S 84 19.5693 118 0.31 46
IV.CESI.HHZ. 2023-05-31T01:53:23.11 0.6 undecidable manual S 254 16.0728 122 0.23 46
IV.CING.HHZ. 2023-05-31T01:53:23.13 3.0 undecidable manual P -0.1 0
IV.ATCC.EHZ. 2023-05-31T01:53:23.72 3.0 undecidable manual P 0.08 0
IV.ASSB.HHZ. 2023-05-31T01:53:22.91 3.0 positive manual P -0.04 0
IV.EL6.EHZ. 2023-05-31T01:53:22.47 3.0 positive manual P 0.22 0
IV.NRCA.HHZ. 2023-05-31T01:53:21.32 0.1 undecidable manual P 176 23.3544 114 -0.05 96
IV.MMO1.EHZ. 2023-05-31T01:53:21.39 0.6 undecidable manual P 130 24.6531 50 -0.2 49
IV.CSP1.EHZ. 2023-05-31T01:53:21.19 0.6 undecidable manual S 59 10.2786 135 -0.11 50
IV.MML1.EHZ. 2023-05-31T01:53:21.72 0.6 undecidable manual S 308 12.6762 129 -0.19 49
IV.CESI.HHZ. 2023-05-31T01:53:20.20 0.1 positive manual P 254 16.0728 122 0.12 95
IV.GUMA.HHZ. 2023-05-31T01:53:20.73 0.1 positive manual P 84 19.5693 118 0.05 97
IV.CSP1.EHZ. 2023-05-31T01:53:19.09 1.0 undecidable manual P 59 10.2786 135 -0.08 25
IV.MML1.EHZ. 2023-05-31T01:53:19.47 0.1 negative manual P 308 12.6762 129 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:1.5 0.00040699999999999997 0.1 AML other m 2023-05-31T01:53:21.43
IV.CSP1.EHE. ML:1.5 0.0003735 0.18 AML other m 2023-05-31T01:53:21.34
IV.MML1.EHN. ML:1.2 0.00016749999999999998 0.12 AML other m 2023-05-31T01:53:21.93
IV.MML1.EHE. ML:1.1 0.00013900000000000002 1.8 AML other m 2023-05-31T01:53:21.07
IV.CESI.HHN. ML:1.0 0.0000967 0.16 AML other m 2023-05-31T01:53:23.36
IV.CESI.HHE. ML:0.7 0.000047300000000000005 0.18 AML other m 2023-05-31T01:53:23.44
IV.GUMA.HHN. ML:0.9 0.00006415 0.84 AML other m 2023-05-31T01:53:24.48
IV.GUMA.HHE. ML:0.9 0.0000645 1.1 AML other m 2023-05-31T01:53:24.03
IV.NRCA.HHN. ML:1.0 0.00006235 0.08 AML other m 2023-05-31T01:53:25.26
IV.MMO1.EHE. ML:0.5 0.0000205 0.8 AML other m 2023-05-31T01:53:25.55
IV.MMO1.EHN. ML:0.7 0.0000306 0.28 AML other m 2023-05-31T01:53:25.76
IV.NRCA.HHE. ML:1.0 0.00006015 0.62 AML other m 2023-05-31T01:53:25.49
IV.SSFR.HHE. ML:1.0 0.00002555 0.9 AML other m 2023-05-31T01:53:32.11
IV.SSFR.HHN. ML:0.9 0.000022449999999999997 0.56 AML other m 2023-05-31T01:53:33.78
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