Earthquake with magnitude of ML 0.7 on date 23-02-2021 and time 13:14:35 (UTC) in region 3 km S Fiordimonte (MC)

A magnitude ML 0.7 earthquake occured in region: 3 km S Fiordimonte (MC), on

  • 23-02-2021 13:14:35 (UTC)
  • 23-02-2021 14:14:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0100, 13.0890 at 9 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
Pieve Torina MC 5 1458 1660
Pievebovigliana MC 6 866 2526
Fiastra MC 6 559 3085
Monte Cavallo MC 7 145 3230
Acquacanina MC 7 121 3351
Ussita MC 8 444 3795
Visso MC 9 1107 4902
Muccia MC 9 915 5817
Bolognola MC 11 142 5959
Serravalle di Chienti MC 13 1070 7029
Castelsantangelo sul Nera MC 14 281 7310
Camerino MC 14 6974 14284
Preci PG 15 724 15008
Sarnano MC 18 3264 18272
Cessapalombo MC 18 512 18784
Caldarola MC 18 1823 20607
Sellano PG 19 1079 21686
Sefro MC 19 422 22108
Camporotondo di Fiastrone MC 20 563 22671

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Foligno (57155 inhabitants)
58 Km E of Perugia (166134 inhabitants)
62 Km NE of Terni (111501 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
76 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 0.7 2021-02-23
13:14:35
43.0097 13.0893 9 2021-02-23
13:21:21
Sala Sismica INGV-Roma 87408891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-23 13:14:35 ± 0.35
Latitude 43.0097 ± 0.0054
Longitude 13.0893 ± 0.0111
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87408891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 746
Semi-minor axis of confidence ellipse (meter) 654
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 300
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 146
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.20594
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 87408891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-23 13:21:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZONE.HHZ. 2021-02-23T13:15:52.53 3.0 undecidable manual Sg 5.45 0
IV.CET2.HHZ. 2021-02-23T13:15:37.92 3.0 undecidable manual Pn 3.29 0
CR.ZAG.BHZ. 2021-02-23T13:15:34.04 3.0 positive manual Pg 13.48 0
MN.TRI.HHZ. 2021-02-23T13:15:34.27 3.0 undecidable manual Sn -4.64 0
IV.MGR.HHZ. 2021-02-23T13:15:26.62 3.0 negative manual Pn 1.27 0
GU.CANO.HHZ. 2021-02-23T13:15:15.11 3.0 positive manual Pn 1.23 0
MN.TRI.HHZ. 2021-02-23T13:15:13.43 3.0 negative manual Pg 6.72 0
IV.BRSN.EHZ. 2021-02-23T13:15:01.60 3.0 undecidable manual Sg 1.83 0
IV.IMOL.HNZ. 2021-02-23T13:14:59.85 3.0 undecidable manual Sn -3.49 0
IV.RNI2.HHZ. 2021-02-23T13:14:58.24 3.0 undecidable manual Pn -1.19 0
IV.FOSV.EHZ. 2021-02-23T13:14:46.22 0.6 undecidable manual S 100
IV.MMO1.EHZ. 2021-02-23T13:14:44.01 0.3 undecidable manual S 122 22.8549 111 -0.49 67
IV.NRCA.HHZ. 2021-02-23T13:14:43.63 0.3 undecidable manual S 174 19.6692 115 0.15 72
IV.MC2.EHZ. 2021-02-23T13:14:41.96 0.3 undecidable manual S 143 13.5753 123 0.33 70
IV.CSP1.EHZ. 2021-02-23T13:14:41.70 0.3 undecidable manual S 46 13.0758 124 0.21 72
IV.NRCA.HHZ. 2021-02-23T13:14:40.50 0.6 positive manual P 174 19.6692 115 0.19 48
IV.MMO1.EHZ. 2021-02-23T13:14:40.72 0.6 positive manual P 122 22.8549 111 -0.19 48
IV.CSP1.EHZ. 2021-02-23T13:14:39.59 1.0 negative manual P 46 13.0758 124 0.43 23
IV.FDMO.HHZ. 2021-02-23T13:14:39.16 0.1 undecidable manual S 357 2.997 162 -0.11 100
IV.FEMA.HNE. 2021-02-23T13:14:39.81 0.3 undecidable manual S 211 6.1938 145 0.04 76
IV.MC2.EHZ. 2021-02-23T13:14:39.44 1.0 undecidable manual P 143 13.5753 123 0.19 24
IV.FEMA.HNE. 2021-02-23T13:14:37.87 0.3 undecidable manual P 211 6.1938 145 -0.3 72
IV.FDMO.HHZ. 2021-02-23T13:14:37.79 1.0 negative manual P 357 2.997 162 -0.09 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.8 0.0001024 0.82 AML other m 2021-02-23T13:14:39.28
IV.FDMO.HHE. ML:0.8 0.00010575 0.22 AML other m 2021-02-23T13:14:39.32
IV.NRCA.HHN. ML:0.7 0.0000367 0.9 AML other m 2021-02-23T13:14:44.67
IV.NRCA.HHE. ML:0.7 0.000040300000000000004 0.48 AML other m 2021-02-23T13:14:44.65
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