Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.3 on date 04-01-2021 and time 23:05:41 (UTC) in region 5 km SE Mercatello sul Metauro (PU)

A magnitude ML 0.3 earthquake occured in region: 5 km SE Mercatello sul Metauro (PU), on

  • 04-01-2021 23:05:41 (UTC)
  • 05-01-2021 00:05:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.61, 12.37 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 5 1378 1378
Apecchio PU 7 1882 3260
Sant'Angelo in Vado PU 7 4133 7393
Borgo Pace PU 8 606 7999
Piobbico PU 12 2029 10028
Belforte all'Isauro PU 12 769 10797
Sestino AR 13 1355 12152
Piandimeleto PU 13 2167 14319
Urbania PU 14 7099 21418
Peglio PU 14 696 22114
Lunano PU 15 1527 23641
San Giustino PG 17 11297 34938
Frontino PU 17 293 35231
Badia Tedalda AR 18 1087 36318
Sansepolcro AR 19 15884 52202
Pietralunga PG 19 2111 54313
Carpegna PU 19 1674 55987
Città di Castello PG 20 39913 95900

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Arezzo (99543 inhabitants)
53 Km SW of Rimini (147750 inhabitants)
55 Km SW of Pesaro (94582 inhabitants)
56 Km N of Perugia (166134 inhabitants)
58 Km W of Fano (60888 inhabitants)
60 Km S of Cesena (96758 inhabitants)
73 Km SE of Forlì (117913 inhabitants)
77 Km NW of Foligno (57155 inhabitants)
85 Km SE of Faenza (58541 inhabitants)
90 Km E of Siena (53903 inhabitants)
91 Km S of Ravenna (159116 inhabitants)
91 Km E of Firenze (382808 inhabitants)
93 Km W of Ancona (100861 inhabitants)
97 Km E of Scandicci (50609 inhabitants)
98 Km SE of Imola (69797 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 0.3 2021-01-04
23:05:41		 43.61 12.37 9 2021-01-04
23:28:31		 Sala Sismica INGV-Roma 86019871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-04 23:05:41 ± 0.07
Latitude 43.61 ± 0.01
Longitude 12.37 ± 0.00
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 86019871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 580
Semi-minor axis of confidence ellipse (meter) 140
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 189
Circular confidence region, given by single value of horizontal uncertainty (meter) 580
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.10342
Epicentral distance of station farthest from the epicenter (degree) 0.30307
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 86019871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-04 23:28:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.FRON.EHZ. 2021-01-04T23:05:52.14 0.6 undecidable manual S 109 0.2725 50 -0.06 48
IV.CRE.HHZ. 2021-01-04T23:05:48.05 1.0 negative manual P 272 0.3031 50 -0.05 24
IV.NARO.HHZ. 2021-01-04T23:05:47.93 0.6 undecidable manual S 89 0.152 119 0.03 50
IV.FRON.EHZ. 2021-01-04T23:05:47.38 1.0 negative manual P 109 0.2725 50 -0.19 24
IV.PIEI.HHZ. 2021-01-04T23:05:47.28 0.6 undecidable manual S 122 0.1394 121 -0.22 48
IV.BADI.EHZ. 2021-01-04T23:05:47.20 0.6 undecidable manual S 223 0.1349 121 -0.14 49
IV.PARC.HHZ. 2021-01-04T23:05:46.13 0.6 undecidable manual S 292 0.1034 129 -0.21 49
IV.NARO.HHZ. 2021-01-04T23:05:45.22 0.6 undecidable manual P 89 0.152 119 0.13 49
IV.ATPI.EHZ. 2021-01-04T23:05:45.67 1.0 undecidable manual P 172 0.1601 117 0.43 23
IV.BADI.EHZ. 2021-01-04T23:05:44.95 0.6 undecidable manual P 223 0.1349 121 0.19 49
IV.PARC.HHZ. 2021-01-04T23:05:44.26 0.1 undecidable manual P 292 0.1034 129 0.07 100
IV.PIEI.HHZ. 2021-01-04T23:05:44.89 0.6 positive manual P 122 0.1394 121 0.04 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PARC.HHE. ML:0.1 1.36935625E-5 0.1152 AML other m 2021-01-04T23:05:46.67
IV.PARC.HHN. ML:0.4 2.94299E-5 0.128 AML other m 2021-01-04T23:05:46.69
IV.PIEI.HHE. ML:0.3 1.992336E-5 0.064 AML other m 2021-01-04T23:05:48.24
IV.PIEI.HHN. ML:0 1.0917015E-5 0.1792 AML other m 2021-01-04T23:05:49.52
IV.BADI.EHE. ML:0.4 2.637551E-5 0.192 AML other m 2021-01-04T23:05:49.27
IV.BADI.EHN. ML:0.3 2.1443395E-5 0.2688 AML other m 2021-01-04T23:05:50.52
IV.NARO.HHE. ML:0 1.246976E-5 0.064 AML other m 2021-01-04T23:05:48.68
IV.NARO.HHN. ML:0.4 1.7901875E-5 0.064 AML other m 2021-01-04T23:05:49.08
IV.ATPI.EHE. ML:0.2 1.718593E-5 1.2928 AML other m 2021-01-04T23:05:46.04
IV.ATPI.EHN. ML:0.2 1.3437255E-5 0.4352 AML other m 2021-01-04T23:05:51.62
IV.ATPI.HNE. ML:1 9.1220355E-5 0.5504 AML other m 2021-01-04T23:05:54.92
IV.ATPI.HNN. ML:1 8.59766E-5 0.7424 AML other m 2021-01-04T23:05:56.53
IV.FRON.EHE. ML:0.5 1.5630015E-5 1.4208 AML other m 2021-01-04T23:05:47.56
IV.FRON.EHN. ML:0 6.730611E-6 0.3328 AML other m 2021-01-04T23:05:57.25
IV.CRE.HHE. ML:0.6 1.669066E-5 1.536 AML other m 2021-01-04T23:05:52.52
IV.CRE.HHN. ML:0.7 1.928385E-5 1.6384 AML other m 2021-01-04T23:05:53.45
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download