Earthquake with magnitude of ML 1.0 on date 26-05-2023 and time 22:47:57 (UTC) in region 1 km NW Fiordimonte (MC)

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

  • 26-05-2023 22:47:57 (UTC)
  • 27-05-2023 00:47:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0450, 13.0810 at 18 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 2 1458 2526
Muccia MC 5 915 3441
Fiastra MC 6 559 4000
Acquacanina MC 8 121 4121
Monte Cavallo MC 9 145 4266
Camerino MC 10 6974 11240
Serravalle di Chienti MC 11 1070 12310
Ussita MC 12 444 12754
Visso MC 13 1107 13861
Bolognola MC 13 142 14003
Sefro MC 16 422 14425
Caldarola MC 16 1823 16248
Cessapalombo MC 16 512 16760
Pioraco MC 17 1134 17894
Serrapetrona MC 17 966 18860
Castelsantangelo sul Nera MC 18 281 19141
Camporotondo di Fiastrone MC 18 563 19704
Sarnano MC 18 3264 22968
Belforte del Chienti MC 19 1886 24854
Castelraimondo MC 19 4587 29441
Preci PG 19 724 30165

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Foligno (57155 inhabitants)
57 Km E of Perugia (166134 inhabitants)
64 Km NE of Terni (111501 inhabitants)
67 Km NW of Teramo (54892 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
89 Km S of Fano (60888 inhabitants)
97 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 2023-05-26
22:47:57
43.0447 13.0812 18 2023-05-26
22:59:48
Sala Sismica INGV-Roma 117759901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-26 22:47:57 ± 0.12
Latitude 43.0447 ± 0.0045
Longitude 13.0812 ± 0.0098
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117759901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 668
Semi-minor axis of confidence ellipse (meter) 610
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) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.13490
Epicentral distance of station farthest from the epicenter (degree) 0.45416
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
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 117759901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-26 22:59:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2023-05-26T22:48:13.31 0.3 undecidable manual S 331 49.7169 100 0.3 68
IV.SMA1.EHZ. 2023-05-26T22:48:13.00 0.6 undecidable manual S 156 50.4162 100 -0.19 46
IV.CING.HHZ. 2023-05-26T22:48:10.18 0.6 undecidable manual S 14 37.8288 104 0.26 46
IV.EL6.EHZ. 2023-05-26T22:48:08.39 0.6 undecidable manual S 3 31.6461 108 0.07 48
IV.SNTG.HHZ. 2023-05-26T22:48:07.00 0.6 undecidable manual S 334 25.9518 114 0.09 49
IV.SMA1.EHZ. 2023-05-26T22:48:06.79 0.1 undecidable manual P 156 50.4162 100 0.38 88
IV.NRCA.HHZ. 2023-05-26T22:48:06.47 0.6 undecidable manual S 173 23.5542 117 0.13 48
IV.MMO1.EHZ. 2023-05-26T22:48:06.56 0.6 undecidable manual S 129 25.6521 114 -0.27 47
IV.GUMA.HHZ. 2023-05-26T22:48:05.60 0.6 undecidable manual S 84 20.6682 121 -0.06 50
IV.SSFR.HHZ. 2023-05-26T22:48:05.92 0.1 undecidable manual P 331 49.7169 100 -0.38 87
IV.CING.HHZ. 2023-05-26T22:48:04.24 0.1 undecidable manual P 14 37.8288 104 -0.27 92
IV.CESI.HHZ. 2023-05-26T22:48:04.26 0.6 undecidable manual S 253 14.9739 132 -0.17 49
IV.EL6.EHZ. 2023-05-26T22:48:03.75 0.1 undecidable manual P 3 31.6461 108 0.16 95
IV.NRCA.HHZ. 2023-05-26T22:48:02.60 0.6 negative manual P 173 23.5542 117 0.16 48
IV.MMO1.EHZ. 2023-05-26T22:48:02.70 0.1 undecidable manual P 129 25.6521 114 -0.03 99
IV.SNTG.HHZ. 2023-05-26T22:48:02.64 0.1 undecidable manual P 334 25.9518 114 -0.14 96
IV.GUMA.HHZ. 2023-05-26T22:48:02.05 0.1 undecidable manual P 84 20.6682 121 -0.01 100
IV.CESI.HHZ. 2023-05-26T22:48:01.42 0.1 undecidable manual P 253 14.9739 132 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.8 0.000042300000000000005 0.32 AML other m 2023-05-26T22:48:04.43
IV.CESI.HHE. ML:0.9 0.00005660000000000001 0.8 AML other m 2023-05-26T22:48:05.42
IV.GUMA.HHE. ML:1.4 0.0001285 0.3 AML other m 2023-05-26T22:48:05.72
IV.MMO1.EHN. ML:1.0 0.00004965 0.22 AML other m 2023-05-26T22:48:06.71
IV.MMO1.EHE. ML:0.9 0.000038875 1.38 AML other m 2023-05-26T22:48:07.94
IV.NRCA.HHN. ML:1.1 0.0000665 1.3 AML other m 2023-05-26T22:48:07.86
IV.GUMA.HHN. ML:1.4 0.00014150000000000002 0.56 AML other m 2023-05-26T22:48:08.57
IV.NRCA.HHE. ML:1.1 0.00006325 0.12 AML other m 2023-05-26T22:48:08.44
IV.SNTG.HHE. ML:0.5 0.000017 0.88 AML other m 2023-05-26T22:48:08.88
IV.SNTG.HHN. ML:0.6 0.000019299999999999998 0.62 AML other m 2023-05-26T22:48:09.12
IV.CING.HHE. ML:1.0 0.00002995 0.08 AML other m 2023-05-26T22:48:11.05
IV.CING.HHN. ML:0.9 0.00002285 1.44 AML other m 2023-05-26T22:48:11.24
IV.SSFR.HHN. ML:1.0 0.000027450000000000003 0.46 AML other m 2023-05-26T22:48:14.99
IV.SSFR.HHE. ML:1.0 0.0000252 0.82 AML other m 2023-05-26T22:48:16.52
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