Earthquake with magnitude of ML 1.0 on date 28-02-2021 and time 11:55:22 (Italy) in region 3 km SW Mercatello sul Metauro (PU)

A magnitude ML 1.0 earthquake occured in region: 3 km SW Mercatello sul Metauro (PU), on

  • 28-02-2021 10:55:22 (UTC)
  • 28-02-2021 11:55:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.62, 12.33 at 5 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
Mercatello sul Metauro PU 3 1378 1378
Borgo Pace PU 5 606 1984
Sant'Angelo in Vado PU 9 4133 6117
Sestino AR 10 1355 7472
Apecchio PU 10 1882 9354
Belforte all'Isauro PU 12 769 10123
Piandimeleto PU 14 2167 12290
San Giustino PG 14 11297 23587
Badia Tedalda AR 15 1087 24674
Lunano PU 15 1527 26201
Piobbico PU 15 2029 28230
Sansepolcro AR 16 15884 44114
Peglio PU 16 696 44810
Frontino PU 17 293 45103
Urbania PU 17 7099 52202
Carpegna PU 18 1674 53876
CittĂ  di Castello PG 20 39913 93789

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Arezzo (99543 inhabitants)
53 Km SW of Rimini (147750 inhabitants)
57 Km SW of Pesaro (94582 inhabitants)
57 Km N of Perugia (166134 inhabitants)
58 Km S of Cesena (96758 inhabitants)
61 Km W of Fano (60888 inhabitants)
71 Km SE of Forlì (117913 inhabitants)
80 Km NW of Foligno (57155 inhabitants)
82 Km SE of Faenza (58541 inhabitants)
87 Km E of Siena (53903 inhabitants)
88 Km E of Firenze (382808 inhabitants)
89 Km S of Ravenna (159116 inhabitants)
93 Km E of Scandicci (50609 inhabitants)
95 Km SE of Imola (69797 inhabitants)
96 Km W of Ancona (100861 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.0 2021-02-28
10:55:22
43.62 12.33 5 2021-02-28
11:09:38
Sala Sismica INGV-Roma 87566311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-28 10:55:22 ± 0.18
Latitude 43.62 ± 0.00
Longitude 12.33 ± 0.01
Depth (km) 5 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87566311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 480
Semi-minor axis of confidence ellipse (meter) 234
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 29
Circular confidence region, given by single value of horizontal uncertainty (meter) 480
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.06835
Epicentral distance of station farthest from the epicenter (degree) 0.24641
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1

Field Value
Value 1
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 87566311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-28 11:09:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ATPC.HNZ. 2021-02-28T10:55:29.59 0.3 undecidable manual S 146 0.17 105 0.22 73
IV.PIEI.HHZ. 2021-02-28T10:55:29.41 0.3 undecidable manual S 119 0.1745 105 -0.12 74
IV.ATPI.EHZ. 2021-02-28T10:55:29.92 0.3 undecidable manual S 162 0.1799 105 0.19 73
IV.NARO.HHZ. 2021-02-28T10:55:29.76 0.3 undecidable manual S 93 0.1844 104 -0.16 73
IV.ATBU.HNZ. 2021-02-28T10:55:27.73 0.3 undecidable manual P 132 0.2176 102 0.2 72
IV.ATVO.HNZ. 2021-02-28T10:55:27.82 0.3 undecidable manual P 166 0.2464 101 -0.35 70
IV.BADI.EHZ. 2021-02-28T10:55:27.93 0.3 undecidable manual S 208 0.1268 110 0.15 74
IV.CPGN.EHZ. 2021-02-28T10:55:27.12 0.1 undecidable manual P 359 0.1799 105 0.41 93
IV.NARO.HHZ. 2021-02-28T10:55:26.48 0.1 undecidable manual P 93 0.1844 104 -0.34 94
IV.ATPC.HNZ. 2021-02-28T10:55:26.76 0.3 undecidable manual P 146 0.17 105 0.25 72
IV.ATMC.EHZ. 2021-02-28T10:55:26.96 0.3 undecidable manual P 209 0.1996 103 -0.18 73
IV.PIEI.HHZ. 2021-02-28T10:55:26.77 0.1 undecidable manual P 119 0.1745 105 0.17 98
IV.ATPI.EHZ. 2021-02-28T10:55:26.60 0.3 undecidable manual P 162 0.1799 105 -0.11 74
IV.PARC.HHZ. 2021-02-28T10:55:25.75 0.3 undecidable manual S 293 0.0683 124 -0.03 77
IV.BADI.EHZ. 2021-02-28T10:55:25.49 0.1 undecidable manual P 208 0.1268 110 -0.1 100
IV.PARC.HHZ. 2021-02-28T10:55:24.28 0.1 undecidable manual P 293 0.0683 124 -0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BADI.EHN. ML:1.2 0.000203 1.82 AML other m 2021-02-28T10:55:28.08
IV.BADI.EHE. ML:1.3 0.000217 0.42 AML other m 2021-02-28T10:55:28.18
IV.PARC.HHE. ML:0 0.000127374965 0.1408 AML other m 2021-02-28T10:55:25.79
IV.PARC.HHN. ML:0 0.000134599105 0.1024 AML other m 2021-02-28T10:55:25.79
IV.NARO.HHE. ML:0.5 2.49359375E-5 0.1024 AML other m 2021-02-28T10:55:30.42
IV.NARO.HHN. ML:0.9 6.0198785E-5 0.064 AML other m 2021-02-28T10:55:30.20
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download