Earthquake with magnitude of ML 0.8 on date 22-08-2023 and time 15:36:10 (Italy) in region 3 km SE Fiordimonte (MC)

A magnitude ML 0.8 earthquake occured in region: 3 km SE Fiordimonte (MC), on

  • 22-08-2023 13:36:10 (UTC)
  • 22-08-2023 15:36:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0190, 13.1200 at 5 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 4 559 761
Acquacanina MC 5 121 882
Pievebovigliana MC 6 866 1748
Pieve Torina MC 6 1458 3206
Ussita MC 8 444 3650
Bolognola MC 9 142 3792
Muccia MC 9 915 4707
Monte Cavallo MC 10 145 4852
Visso MC 10 1107 5959
Camerino MC 14 6974 12933
Castelsantangelo sul Nera MC 14 281 13214
Sarnano MC 15 3264 16478
Serravalle di Chienti MC 15 1070 17548
Cessapalombo MC 15 512 18060
Caldarola MC 16 1823 19883
Preci PG 17 724 20607
Camporotondo di Fiastrone MC 17 563 21170
Serrapetrona MC 19 966 22136
Gualdo MC 19 815 22951
Belforte del Chienti MC 19 1886 24837
San Ginesio MC 19 3498 28335
Amandola FM 20 3629 31964
Sefro MC 20 422 32386
Montefortino FM 20 1178 33564

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
60 Km E of Perugia (166134 inhabitants)
62 Km NW of Teramo (54892 inhabitants)
64 Km NE of Terni (111501 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
78 Km NW of L'Aquila (69753 inhabitants)
92 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 0.8 2023-08-22
13:36:10
43.0193 13.1205 5 2023-08-22
13:45:02
Sala Sismica INGV-Roma 120384161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-22 13:36:10 ± 0.12
Latitude 43.0193 ± 0.0036
Longitude 13.1205 ± 0.0049
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120384161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 438
Semi-minor axis of confidence ellipse (meter) 97
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 135
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 16
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) 0.31027
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 120384161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-22 13:45:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHE. 2023-08-22T13:36:21.89 0.6 undecidable manual S 357 34.4433 98 -0.28 45
IV.MOMA.HHZ. 2023-08-22T13:36:20.85 3.0 undecidable manual P 1.51 0
IV.CESI.HHN. 2023-08-22T13:36:16.59 0.3 undecidable manual S 265 17.5713 105 0.15 72
IV.MML1.EHZ. 2023-08-22T13:36:16.08 0.3 undecidable manual S 311 15.9729 107 0.19 72
IV.EL6.EHE. 2023-08-22T13:36:16.48 1.0 undecidable manual P 357 34.4433 98 -0.6 21
IV.PF6.EHN. 2023-08-22T13:36:15.59 0.3 undecidable manual S 24 14.4744 108 0.19 72
IV.CSP1.EHZ. 2023-08-22T13:36:14.37 0.3 undecidable manual S 40 10.5783 114 0.24 71
IV.MC2.EHE. 2023-08-22T13:36:13.06 0.6 undecidable manual P 155 13.1757 110 0.13 48
IV.PIEI.HHZ. 2023-08-22T13:36:13.25 3.0 undecidable manual P 0.52 0
IV.PF6.EHN. 2023-08-22T13:36:13.12 0.1 undecidable manual P 24 14.4744 108 -0.04 98
IV.FEMA.HNE. 2023-08-22T13:36:13.75 0.3 undecidable manual S 222 8.5803 119 0.23 72
7F.SIB1.EHE. 2023-08-22T13:36:13.57 0.6 undecidable manual P 139 18.3705 105 -0.35 46
IV.CESI.HHN. 2023-08-22T13:36:13.70 0.3 undecidable manual P 265 17.5713 105 -0.07 73
IV.MML1.EHZ. 2023-08-22T13:36:13.46 0.3 undecidable manual P 311 15.9729 107 0.01 74
IV.CSP1.EHZ. 2023-08-22T13:36:12.51 0.1 positive manual P 40 10.5783 114 0.08 98
IV.FDMO.HHZ. 2023-08-22T13:36:11.83 0.3 undecidable manual S 305 3.2967 145 -0.3 71
IV.FDMO.HHZ. 2023-08-22T13:36:11.22 0.1 undecidable manual P 305 3.2967 145 -0.06 100
IV.FEMA.HNE. 2023-08-22T13:36:11.98 0.3 undecidable manual P 222 8.5803 119 -0.1 74
IV.SSFR.HNZ. 2023-08-22T13:36:07.65 3.0 undecidable manual P -0.56 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:2.1 0.000448 0.18 AML other m 2023-08-22T13:36:12.09
IV.FDMO.HHN. ML:2.0 0.000338 0.72 AML other m 2023-08-22T13:36:12.28
IV.CSP1.EHE. ML:1.1 0.00019 0.58 AML other m 2023-08-22T13:36:14.62
IV.CSP1.EHN. ML:1.2 0.000252 1.84 AML other m 2023-08-22T13:36:14.06
IV.MML1.EHN. ML:0.6 0.000039099999999999995 0.28 AML other m 2023-08-22T13:36:16.51
IV.MML1.EHE. ML:0.4 0.000026700000000000002 0.16 AML other m 2023-08-22T13:36:16.66
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