Earthquake with magnitude of Md 0.7 on date 21-11-2021 and time 18:47:24 (Italy) in region 1 km W Fiastra (MC)

A magnitude Md 0.7 earthquake occured in region: 1 km W Fiastra (MC), on

  • 21-11-2021 17:47:24 (UTC)
  • 21-11-2021 18:47:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0390, 13.1460 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 1 559 559
Acquacanina MC 3 121 680
Fiordimonte MC 5 202 882
Pievebovigliana MC 6 866 1748
Pieve Torina MC 8 1458 3206
Bolognola MC 8 142 3348
Muccia MC 10 915 4263
Ussita MC 11 444 4707
Cessapalombo MC 12 512 5219
Camerino MC 13 6974 12193
Monte Cavallo MC 13 145 12338
Sarnano MC 13 3264 15602
Visso MC 13 1107 16709
Caldarola MC 13 1823 18532
Camporotondo di Fiastrone MC 14 563 19095
Serrapetrona MC 16 966 20061
San Ginesio MC 16 3498 23559
Belforte del Chienti MC 16 1886 25445
Gualdo MC 16 815 26260
Castelsantangelo sul Nera MC 16 281 26541
Serravalle di Chienti MC 16 1070 27611
Amandola FM 18 3629 31240
Montefortino FM 19 1178 32418
Preci PG 20 724 33142
Sefro MC 20 422 33564

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
62 Km E of Perugia (166134 inhabitants)
62 Km NW of Teramo (54892 inhabitants)
67 Km NE of Terni (111501 inhabitants)
71 Km SW of Ancona (100861 inhabitants)
79 Km N of L'Aquila (69753 inhabitants)
90 Km S of Fano (60888 inhabitants)
99 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
Md 0.7 2021-11-21
17:47:24
43.0393 13.1463 11 2021-11-21
17:51:59
Sala Sismica INGV-Roma 97662801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-21 17:47:24 ± 0.05
Latitude 43.0393 ± 0.0027
Longitude 13.1463 ± 0.0037
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 97662801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 306
Semi-minor axis of confidence ellipse (meter) 168
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.20684
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 6
Magnitude information

Md:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 3
Type of magnitude Md
Reference to an origin 97662801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-21 17:51:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGR.HHZ. 2021-11-21T17:47:40.63 3.0 undecidable manual Pn 2.28 0
IV.MTRA.EHZ. 2021-11-21T17:47:34.63 3.0 undecidable manual Pn 10.78 0
IV.NRCA.HHZ. 2021-11-21T17:47:32.77 0.6 undecidable manual S 187 22.9548 50 -0.03 50
IV.CESI.HHZ. 2021-11-21T17:47:31.97 0.6 undecidable manual S 259 19.9689 50 -0.03 50
IV.MC2.EHZ. 2021-11-21T17:47:30.54 0.3 undecidable manual S 166 14.5743 126 0.09 76
IV.MML1.EHZ. 2021-11-21T17:47:30.93 0.6 undecidable manual S 300 16.3725 123 -0.02 50
IV.CSP1.EHZ. 2021-11-21T17:47:28.69 0.6 undecidable manual S 39 7.4814 145 -0.02 51
IV.NRCA.HHZ. 2021-11-21T17:47:28.96 0.1 undecidable manual P 187 22.9548 50 -0.18 97
IV.CESI.HHZ. 2021-11-21T17:47:28.65 0.1 undecidable manual P 259 19.9689 50 -0.03 100
IV.BRSN.EHZ. 2021-11-21T17:47:28.69 3.0 undecidable manual P 5.29 0
IV.FDMO.HHZ. 2021-11-21T17:47:28.30 0.3 undecidable manual S 266 4.7952 156 0.05 77
IV.MML1.EHZ. 2021-11-21T17:47:28.08 0.6 undecidable manual P 300 16.3725 123 0 50
IV.MC2.EHZ. 2021-11-21T17:47:27.89 0.3 positive manual P 166 14.5743 126 0.1 75
IV.FDMO.HHZ. 2021-11-21T17:47:26.58 1.0 undecidable manual P 266 4.7952 156 0.06 26
IV.CSP1.EHZ. 2021-11-21T17:47:26.86 1.0 undecidable manual P 39 7.4814 145 0.08 25
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