Earthquake with magnitude of ML 1.0 on date 13-05-2023 and time 08:44:23 (UTC) in region 3 km SE Fiordimonte (MC)

A magnitude ML 1.0 earthquake occured in region: 3 km SE Fiordimonte (MC), on

  • 13-05-2023 08:44:23 (UTC)
  • 13-05-2023 10:44:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0130, 13.1030 at 8 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 3 202 202
Fiastra MC 5 559 761
Pieve Torina MC 6 1458 2219
Pievebovigliana MC 6 866 3085
Acquacanina MC 6 121 3206
Ussita MC 8 444 3650
Monte Cavallo MC 8 145 3795
Visso MC 9 1107 4902
Muccia MC 9 915 5817
Bolognola MC 10 142 5959
Castelsantangelo sul Nera MC 14 281 6240
Serravalle di Chienti MC 14 1070 7310
Camerino MC 14 6974 14284
Preci PG 16 724 15008
Sarnano MC 16 3264 18272
Cessapalombo MC 17 512 18784
Caldarola MC 17 1823 20607
Camporotondo di Fiastrone MC 19 563 21170
Sefro MC 19 422 21592
Serrapetrona MC 20 966 22558
Sellano PG 20 1079 23637

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
59 Km E of Perugia (166134 inhabitants)
62 Km NE of Terni (111501 inhabitants)
63 Km NW of Teramo (54892 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
93 Km S of Fano (60888 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 2023-05-13
08:44:23
43.0128 13.1027 8 2023-05-13
08:48:43
Sala Sismica INGV-Roma 117314041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-13 08:44:23 ± 0.33
Latitude 43.0128 ± 0.0063
Longitude 13.1027 ± 0.0074
Depth (km) 8 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117314041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 687
Semi-minor axis of confidence ellipse (meter) 364
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 203
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26170
Number of stations at which the event was observed 10
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 10
Type of magnitude ML
Reference to an origin 117314041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-13 08:48:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIU.EHZ. 2023-05-13T08:44:50.29 3.0 negative manual Pg 10.57 0
IV.SSFR.HHZ. 2023-05-13T08:44:48.04 3.0 undecidable manual Sn -0.01 0
IV.ATVO.HHZ. 2023-05-13T08:44:41.92 3.0 undecidable manual Sn -6.17 0
IV.MF5.EHZ. 2023-05-13T08:44:34.80 0.6 undecidable manual S 95 29.0487 105 0.85 38
IV.NRCA.HHZ. 2023-05-13T08:44:31.16 0.6 undecidable manual S 177 19.869 112 0.24 48
IV.MMO1.EHZ. 2023-05-13T08:44:31.43 0.6 undecidable manual S 125 22.1556 110 -0.22 48
IV.MF5.EHZ. 2023-05-13T08:44:29.75 0.1 undecidable manual P 95 29.0487 105 0.22 94
IV.PARC.HHZ. 2023-05-13T08:44:29.68 3.0 positive manual P -0.01 0
IV.MML1.EHZ. 2023-05-13T08:44:29.39 0.6 undecidable manual S 316 15.3735 117 -0.11 49
IV.CESI.HHZ. 2023-05-13T08:44:29.93 0.6 undecidable manual S 267 16.0728 116 0.22 48
IV.CSP1.EHZ. 2023-05-13T08:44:28.34 0.6 undecidable manual S 43 12.0768 123 -0.15 49
IV.CESI.HHZ. 2023-05-13T08:44:27.18 0.3 positive manual P 267 16.0728 116 0.09 74
IV.NRCA.HHZ. 2023-05-13T08:44:27.66 0.1 undecidable manual P 177 19.869 112 -0.12 97
IV.MMO1.EHZ. 2023-05-13T08:44:27.74 0.1 undecidable manual P 125 22.1556 110 -0.46 90
IV.MML1.EHZ. 2023-05-13T08:44:26.97 0.6 positive manual P 316 15.3735 117 0.01 50
IV.CSP1.EHZ. 2023-05-13T08:44:26.32 0.1 undecidable manual P 43 12.0768 123 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.2 0.0001885 0.8 AML other m 2023-05-13T08:44:28.11
IV.CSP1.EHN. ML:1.2 0.00021050000000000002 0.44 AML other m 2023-05-13T08:44:28.87
IV.MML1.EHN. ML:0.8 0.0000644 0.22 AML other m 2023-05-13T08:44:29.67
IV.CESI.HHN. ML:0.9 0.00007355 0.3 AML other m 2023-05-13T08:44:30.11
IV.CESI.HHE. ML:0.8 0.00005815 1.02 AML other m 2023-05-13T08:44:30.60
IV.NRCA.HHN. ML:1.3 0.0001395 1.16 AML other m 2023-05-13T08:44:31.86
IV.NRCA.HHE. ML:1.3 0.000163 0.18 AML other m 2023-05-13T08:44:31.42
IV.MML1.EHE. ML:0.5 0.000029250000000000003 0.5 AML other m 2023-05-13T08:44:32.27
IV.SSFR.HHN. ML:1.1 0.00002815 0.16 AML other m 2023-05-13T08:45:08.64
IV.SSFR.HHE. ML:1.1 0.000032149999999999995 1.32 AML other m 2023-05-13T08:45:12.30
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