Earthquake with magnitude of ML 0.5 on date 23-02-2021 and time 07:35:25 (UTC) in region 2 km SE Muccia (MC)

A magnitude ML 0.5 earthquake occured in region: 2 km SE Muccia (MC), on

  • 23-02-2021 07:35:25 (UTC)
  • 23-02-2021 08:35:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0680, 13.0580 at 13 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
Muccia MC 2 915 915
Pievebovigliana MC 2 866 1781
Pieve Torina MC 3 1458 3239
Fiordimonte MC 4 202 3441
Camerino MC 8 6974 10415
Serravalle di Chienti MC 9 1070 11485
Fiastra MC 9 559 12044
Monte Cavallo MC 9 145 12189
Acquacanina MC 10 121 12310
Sefro MC 12 422 12732
Pioraco MC 14 1134 13866
Ussita MC 15 444 14310
Visso MC 15 1107 15417
Caldarola MC 16 1823 17240
Castelraimondo MC 16 4587 21827
Bolognola MC 16 142 21969
Serrapetrona MC 16 966 22935
Fiuminata MC 17 1402 24337
Cessapalombo MC 17 512 24849
Belforte del Chienti MC 18 1886 26735
Camporotondo di Fiastrone MC 18 563 27298
Gagliole MC 19 620 27918

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
55 Km E of Perugia (166134 inhabitants)
66 Km NE of Terni (111501 inhabitants)
70 Km NW of Teramo (54892 inhabitants)
72 Km SW of Ancona (100861 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
86 Km S of Fano (60888 inhabitants)
94 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 0.5 2021-02-23
07:35:25
43.0683 13.0578 13 2021-02-23
08:46:22
Sala Sismica INGV-Roma 87405741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-23 07:35:25 ± 0.08
Latitude 43.0683 ± 0.0027
Longitude 13.0578 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87405741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 375
Semi-minor axis of confidence ellipse (meter) 294
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26260
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 87405741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-23 08:46:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.HNZ. 2021-02-23T07:35:35.30 0.6 undecidable manual S 131 28.749 98 -0.01 48
IV.EL6.EHE. 2021-02-23T07:35:35.59 0.3 undecidable manual S 7 29.1486 98 0.17 69
IV.NRCA.HNZ. 2021-02-23T07:35:34.57 0.6 undecidable manual S 170 26.4513 99 -0.13 47
IV.MC2.EHZ. 2021-02-23T07:35:33.26 0.6 undecidable manual S 149 20.3685 105 0.14 48
IV.GAVE.EHZ. 2021-02-23T07:35:32.99 3.0 positive manual P 0 0
IV.CSP1.EHZ. 2021-02-23T07:35:31.21 0.6 undecidable manual S 78 12.1767 125 0.09 49
IV.CESI.HHZ. 2021-02-23T07:35:31.70 0.3 undecidable manual S 241 14.2746 118 0.1 72
IV.MMO1.HNZ. 2021-02-23T07:35:31.02 0.1 undecidable manual P 131 28.749 98 0 96
IV.NRCA.HNZ. 2021-02-23T07:35:30.47 0.1 undecidable manual P 170 26.4513 99 -0.19 93
IV.EL6.EHE. 2021-02-23T07:35:30.83 0.1 undecidable manual P 7 29.1486 98 -0.25 92
IV.MML1.HNZ. 2021-02-23T07:35:30.32 0.6 undecidable manual S 306 8.5803 138 -0.08 49
IV.FDMO.HHZ. 2021-02-23T07:35:29.64 0.6 undecidable manual S 146 4.2957 158 -0.14 48
IV.MC2.EHZ. 2021-02-23T07:35:29.96 0.1 undecidable manual P 149 20.3685 105 0.21 94
IV.MML1.HNZ. 2021-02-23T07:35:28.19 0.1 undecidable manual P 306 8.5803 138 0.01 99
IV.CSP1.EHZ. 2021-02-23T07:35:28.63 0.3 negative manual P 78 12.1767 125 0.04 74
IV.CESI.HHZ. 2021-02-23T07:35:28.86 0.1 undecidable manual P 241 14.2746 118 -0.01 98
IV.FDMO.HHZ. 2021-02-23T07:35:27.82 0.1 negative manual P 146 4.2957 158 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.8 0.00007395000000000001 0.1 AML other m 2021-02-23T07:35:29.94
IV.FDMO.HHN. ML:0.5 0.000047 0.44 AML other m 2021-02-23T07:35:30.03
IV.CSP1.EHE. ML:0.6 0.000039221645 0.0768 AML other m 2021-02-23T07:35:31.43
IV.CSP1.EHN. ML:0.5 0.00003145977 0.096 AML other m 2021-02-23T07:35:32.13
IV.CESI.HHE. ML:0.4 0.00001766633 0.0832 AML other m 2021-02-23T07:35:31.84
IV.CESI.HHN. ML:0.2 0.000016579139999999998 0.096 AML other m 2021-02-23T07:35:32.10
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