Earthquake with magnitude of ML 0.5 on date 21-08-2019 and time 02:55:38 (Italy) in region 3 km S Fiastra (MC)

A magnitude ML 0.5 earthquake occured in region: 3 km S Fiastra (MC), on

  • 21-08-2019 00:55:38 (UTC)
  • 21-08-2019 02:55:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0080, 13.1490 at 11 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 7 444 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
Castelsantangelo sul Nera MC 13 281 6240
Sarnano MC 13 3264 9504
Cessapalombo MC 15 512 10016
Camerino MC 16 6974 16990
Caldarola MC 16 1823 18813
Preci PG 17 724 19537
Camporotondo di Fiastrone MC 17 563 20100
Gualdo MC 17 815 20915
Amandola FM 17 3629 24544
Montefortino FM 17 1178 25722
Serravalle di Chienti MC 18 1070 26792
San Ginesio MC 18 3498 30290
Montemonaco AP 19 604 30894
Belforte del Chienti MC 19 1886 32780
Serrapetrona MC 19 966 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)
64 Km NE of Terni (111501 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
76 Km N of L'Aquila (69753 inhabitants)
94 Km S of Fano (60888 inhabitants)
98 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 0.5 2019-08-21
00:55:38
43.0078 13.1487 11 2019-08-21
01:02:41
Sala Sismica INGV-Roma 71666391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-21 00:55:38 ± 0.12
Latitude 43.0078 ± 0.0036
Longitude 13.1487 ± 0.0049
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 71666391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 410
Semi-minor axis of confidence ellipse (meter) 123
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 19
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22843
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 71666391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-21 01:02:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENI.EHZ. 2019-08-21T00:55:52.64 3.0 positive manual P 0.01 0
IV.SAP2.EHZ. 2019-08-21T00:55:47.12 0.1 undecidable manual S 64 22.5552 50 0.17 95
IV.CESI.HNZ. 2019-08-21T00:55:46.09 0.1 undecidable manual S 269 19.7691 118 -0.06 97
IV.MMO1.EHZ. 2019-08-21T00:55:45.53 0.1 undecidable manual S 130 18.87 119 -0.32 93
IV.MML1.HNZ. 2019-08-21T00:55:45.53 0.1 undecidable manual S 309 18.5703 120 -0.23 94
IV.NRCA.HNZ. 2019-08-21T00:55:45.78 0.1 undecidable manual S 188 19.5693 118 -0.29 93
IT.MTCL.HGZ. 2019-08-21T00:55:44.07 0.1 undecidable manual S 263 12.1767 131 0.1 98
IV.MC2.EHZ. 2019-08-21T00:55:44.18 0.1 undecidable manual S 163 11.1777 133 0.47 89
IV.CESI.HNZ. 2019-08-21T00:55:43.03 0.3 undecidable manual P 269 19.7691 118 0.17 72
IV.CSP1.EHZ. 2019-08-21T00:55:43.29 0.1 undecidable manual S 26 10.3785 136 -0.21 98
IV.MF5.EHZ. 2019-08-21T00:55:43.86 0.1 undecidable manual P 95 25.3524 50 0.11 97
IV.SAP2.EHZ. 2019-08-21T00:55:43.70 0.3 undecidable manual P 64 22.5552 50 0.38 68
IV.NRCA.HNZ. 2019-08-21T00:55:42.62 0.1 undecidable manual P 188 19.5693 118 -0.19 94
IV.FDMO.HHZ. 2019-08-21T00:55:42.66 0.1 undecidable manual S 303 5.8941 151 0.09 98
IV.MMO1.EHZ. 2019-08-21T00:55:42.38 0.1 undecidable manual P 130 18.87 119 -0.31 93
IV.MML1.HNZ. 2019-08-21T00:55:42.49 0.1 undecidable manual P 309 18.5703 120 -0.14 95
IV.CSP1.EHZ. 2019-08-21T00:55:41.29 0.1 undecidable manual P 26 10.3785 136 -0.04 100
IT.MTCL.HGZ. 2019-08-21T00:55:41.81 0.3 undecidable manual P 263 12.1767 131 0.21 72
IV.MC2.EHZ. 2019-08-21T00:55:41.68 0.1 undecidable manual P 163 11.1777 133 0.23 95
IV.FDMO.HHZ. 2019-08-21T00:55:40.91 0.1 undecidable manual P 303 5.8941 151 0.12 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.6 0.000056099999999999995 0.2 AML other m 2019-08-21T00:55:42.76
IV.FDMO.HHN. ML:0.6 0.00006165000000000001 0.2 AML other m 2019-08-21T00:55:42.89
IV.CSP1.EHE. ML:0.4 0.000031625495000000004 0.08 AML other m 2019-08-21T00:55:43.52
IV.CSP1.EHN. ML:0.6 0.00004948235 0.08 AML other m 2019-08-21T00:55:43.59
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