Earthquake with magnitude of ML 1.3 on date 19-08-2021 and time 03:50:27 (Italy) in region 3 km NW Fiastra (MC)

A magnitude ML 1.3 earthquake occured in region: 3 km NW Fiastra (MC), on

  • 19-08-2021 01:50:27 (UTC)
  • 19-08-2021 03:50:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0600, 13.1300 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
Fiastra MC 3 559 559
Pievebovigliana MC 4 866 1425
Fiordimonte MC 4 202 1627
Acquacanina MC 5 121 1748
Pieve Torina MC 7 1458 3206
Muccia MC 7 915 4121
Camerino MC 10 6974 11095
Bolognola MC 11 142 11237
Caldarola MC 12 1823 13060
Cessapalombo MC 12 512 13572
Monte Cavallo MC 13 145 13717
Ussita MC 13 444 14161
Camporotondo di Fiastrone MC 14 563 14724
Serrapetrona MC 14 966 15690
Sarnano MC 14 3264 18954
Serravalle di Chienti MC 14 1070 20024
Visso MC 15 1107 21131
Belforte del Chienti MC 15 1886 23017
San Ginesio MC 16 3498 26515
Gualdo MC 17 815 27330
Sefro MC 18 422 27752
Pioraco MC 18 1134 28886
Castelraimondo MC 18 4587 33473
Castelsantangelo sul Nera MC 18 281 33754
San Severino Marche MC 19 12726 46480

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
60 Km E of Perugia (166134 inhabitants)
65 Km NW of Teramo (54892 inhabitants)
68 Km NE of Terni (111501 inhabitants)
70 Km SW of Ancona (100861 inhabitants)
82 Km N of L'Aquila (69753 inhabitants)
88 Km S of Fano (60888 inhabitants)
96 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 1.3 2021-08-19
01:50:27
43.0597 13.1298 10 2021-08-19
02:04:10
Sala Sismica INGV-Roma 94353121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-19 01:50:27 ± 0.04
Latitude 43.0597 ± 0.0027
Longitude 13.1298 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 94353121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 236
Semi-minor axis of confidence ellipse (meter) 230
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 18
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) 0.35703
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 94353121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-19 02:04:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FOSV.EHZ. 2021-08-19T01:50:41.17 0.1 undecidable manual S 311 39.627 50 0.13 92
IV.ASSB.HHZ. 2021-08-19T01:50:40.67 0.3 undecidable manual S 267 38.2284 50 0 71
IV.CING.HHZ. 2021-08-19T01:50:39.99 0.1 undecidable manual S 9 35.4423 50 0.07 94
IV.FRON.EHZ. 2021-08-19T01:50:38.65 3.0 positive manual P -0.34 0
IV.EL6.EHZ. 2021-08-19T01:50:38.55 0.1 undecidable manual S 356 30.0477 50 0.08 95
IV.ARVD.HHZ. 2021-08-19T01:50:37.17 3.0 positive manual P -0.29 0
IV.MNTT.EHZ. 2021-08-19T01:50:36.11 3.0 negative manual P 0.6 0
IV.MMO1.EHZ. 2021-08-19T01:50:36.45 0.3 undecidable manual S 138 23.9538 113 -0.28 69
IV.ASSB.HHZ. 2021-08-19T01:50:35.04 0.1 undecidable manual P 267 38.2284 50 -0.17 92
IV.FOSV.EHZ. 2021-08-19T01:50:35.36 0.3 undecidable manual P 311 39.627 50 -0.06 70
IV.CESI.HHZ. 2021-08-19T01:50:35.27 0.1 undecidable manual S 252 19.2696 117 0.01 98
IV.ATCC.EHZ. 2021-08-19T01:50:35.99 3.0 negative manual P 0.17 0
IV.MC2.EHZ. 2021-08-19T01:50:34.91 0.1 undecidable manual S 164 17.1717 120 0.3 93
IV.MF5.EHZ. 2021-08-19T01:50:34.14 3.0 negative manual P 0.3 0
IV.CING.HHZ. 2021-08-19T01:50:34.73 0.1 undecidable manual P 9 35.4423 50 -0.05 95
IV.MML1.EHZ. 2021-08-19T01:50:33.60 0.1 undecidable manual S 295 14.1747 125 -0.14 96
IV.EL6.EHZ. 2021-08-19T01:50:33.83 0.1 undecidable manual P 356 30.0477 50 -0.11 94
IV.MMO1.EHZ. 2021-08-19T01:50:32.79 0.1 undecidable manual P 138 23.9538 113 -0.14 95
IV.NRCA.HHZ. 2021-08-19T01:50:32.94 3.0 negative manual P -0.17 0
IV.CESI.HHZ. 2021-08-19T01:50:32.11 0.1 undecidable manual P 252 19.2696 117 0.03 98
IV.MML1.EHZ. 2021-08-19T01:50:31.29 0.3 negative manual P 295 14.1747 125 0.08 73
IV.MC2.EHZ. 2021-08-19T01:50:31.78 0.1 negative manual P 164 17.1717 120 0.07 97
IV.CSP1.EHZ. 2021-08-19T01:50:31.96 0.1 undecidable manual S 60 7.0929 145 -0.01 100
IV.CSP1.EHZ. 2021-08-19T01:50:30.29 0.1 positive manual P 60 7.0929 145 0.11 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.5 0.0005085 0.74 AML other m 2021-08-19T01:50:32.51
IV.CSP1.EHN. ML:1.6 0.0005769999999999999 0.46 AML other m 2021-08-19T01:50:32.36
IV.MML1.EHN. ML:1.4 0.000229 0.16 AML other m 2021-08-19T01:50:33.73
IV.MML1.EHE. ML:1.4 0.0002635 0.18 AML other m 2021-08-19T01:50:33.98
IV.CESI.HHN. ML:1.0 0.0000717 0.26 AML other m 2021-08-19T01:50:35.54
IV.CESI.HHE. ML:0.8 0.00005215 0.8 AML other m 2021-08-19T01:50:37.60
IV.NRCA.HHN. ML:1.2 0.0000891 0.1 AML other m 2021-08-19T01:50:38.30
IV.NRCA.HHE. ML:1.3 0.0001095 0.68 AML other m 2021-08-19T01:50:39.37
IV.EL6.EHE. ML:1.4 0.000126 0.14 AML other m 2021-08-19T01:50:39.22
IV.EL6.EHN. ML:1.4 0.00013074999999999998 0.66 AML other m 2021-08-19T01:50:39.88
IV.ASSB.HHN. ML:1.3 0.00006759999999999999 1.66 AML other m 2021-08-19T01:50:41.08
IV.ATCC.EHE. ML:1.4 0.00008779999999999999 0.16 AML other m 2021-08-19T01:50:42.53
IV.ATCC.EHN. ML:1.3 0.00007209999999999999 0.56 AML other m 2021-08-19T01:50:42.40
IV.ASSB.HHE. ML:1.0 0.0000334 1.2 AML other m 2021-08-19T01:50:42.30
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