Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 27-03-2021 and time 04:30:25 (UTC) in region 2 km SW Mercatello sul Metauro (PU)

A magnitude ML 1.1 earthquake occured in region: 2 km SW Mercatello sul Metauro (PU), on

  • 27-03-2021 04:30:25 (UTC)
  • 27-03-2021 05:30:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6310, 12.3280 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 2 1378 1378
Borgo Pace PU 4 606 1984
Sant'Angelo in Vado PU 8 4133 6117
Sestino AR 9 1355 7472
Belforte all'Isauro PU 10 769 8241
Apecchio PU 11 1882 10123
Piandimeleto PU 13 2167 12290
Badia Tedalda AR 14 1087 13377
Lunano PU 14 1527 14904
San Giustino PG 15 11297 26201
Peglio PU 15 696 26897
Piobbico PU 15 2029 28926
Frontino PU 16 293 29219
Sansepolcro AR 16 15884 45103
Urbania PU 16 7099 52202
Carpegna PU 17 1674 53876
Pietrarubbia PU 20 660 54536

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Arezzo (99543 inhabitants)
52 Km SW of Rimini (147750 inhabitants)
56 Km SW of Pesaro (94582 inhabitants)
57 Km S of Cesena (96758 inhabitants)
58 Km N of Perugia (166134 inhabitants)
61 Km W of Fano (60888 inhabitants)
70 Km SE of Forlì (117913 inhabitants)
81 Km NW of Foligno (57155 inhabitants)
81 Km SE of Faenza (58541 inhabitants)
88 Km E of Firenze (382808 inhabitants)
88 Km E of Siena (53903 inhabitants)
88 Km S of Ravenna (159116 inhabitants)
93 Km E of Scandicci (50609 inhabitants)
94 Km SE of Imola (69797 inhabitants)
96 Km W of Ancona (100861 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
Bulletin
Rev1000 		ML 1.1 2021-03-27
04:30:25		 43.6312 12.3283 10 2021-07-12
16:55:06		 Bollettino Sismico Italiano INGV 89060851
Reviewed
Rev100 		ML 1.1 2021-03-27
04:30:25		 43.6353 12.3273 10 2021-03-27
04:44:56		 Sala Sismica INGV-Roma 88506361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-27 04:30:25 ± 0.05
Latitude 43.6312 ± 0.0027
Longitude 12.3283 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89060851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 306
Semi-minor axis of confidence ellipse (meter) 214
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
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) 63
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.06745
Epicentral distance of station farthest from the epicenter (degree) 0.73475
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 88506361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-27 04:44:56

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 89060851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-07 09:11:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2021-03-27T04:30:41.84 0.3 undecidable manual S 106 51.5151 50 0.17 68
IV.ASQU.HHZ. 2021-03-27T04:30:40.49 0.3 undecidable manual S 293 46.9197 50 0.03 71
IV.CAFI.HHZ. 2021-03-27T04:30:39.95 0.3 undecidable manual S 221 44.4222 50 0.17 69
IV.MGAB.HHZ. 2021-03-27T04:30:39.65 0.6 undecidable manual P 192 81.5517 50 0.28 42
IV.SSFR.HHZ. 2021-03-27T04:30:39.29 0.3 undecidable manual S 120 42.4242 50 0.03 71
IV.MPAG.EHZ. 2021-03-27T04:30:37.07 0.3 undecidable manual S 90 34.6431 50 -0.1 71
IV.FRON.EHZ. 2021-03-27T04:30:37.15 0.3 undecidable manual S 111 34.3434 50 0.05 72
IV.ATMI.HHZ. 2021-03-27T04:30:36.80 0.3 undecidable manual S 188 33.3444 50 -0.02 73
IV.TB01.DHZ.01 2021-03-27T04:30:35.76 0.3 undecidable manual S 163 29.0487 50 0.09 72
IV.TB03.DHZ. 2021-03-27T04:30:35.10 0.6 undecidable manual S 165 26.3514 50 0.14 48
IV.CRE.HHZ. 2021-03-27T04:30:35.71 0.6 undecidable manual S 268 30.2475 50 -0.3 46
IV.ARVD.HHZ. 2021-03-27T04:30:34.79 0.3 undecidable manual P 106 51.5151 50 0.06 70
IV.ATBU.HNZ. 2021-03-27T04:30:34.83 0.3 undecidable manual S 134 24.753 112 0.32 69
IV.SFI.HNN. 2021-03-27T04:30:34.49 0.6 undecidable manual P 308 49.1175 50 0.13 46
IV.CPGN.HNZ. 2021-03-27T04:30:34.02 0.6 undecidable manual S 358 18.87 118 1.35 31
IV.SSFR.HHZ. 2021-03-27T04:30:33.28 0.6 undecidable manual P 120 42.4242 50 -0.06 47
IV.ATPI.EHZ. 2021-03-27T04:30:33.41 0.3 undecidable manual S 163 20.868 116 0.11 73
IV.CAFI.HHZ. 2021-03-27T04:30:33.71 0.1 positive manual P 221 44.4222 50 0.07 94
IV.ATMC.EHZ. 2021-03-27T04:30:33.95 0.3 undecidable manual S 208 23.1546 113 -0.07 73
IV.ATPC.HNZ. 2021-03-27T04:30:33.03 0.6 undecidable manual S 148 19.6692 117 0.12 49
IV.ASQU.HHZ. 2021-03-27T04:30:33.73 0.3 undecidable manual P 293 46.9197 50 -0.3 67
IV.PIEI.HHZ. 2021-03-27T04:30:32.55 0.3 undecidable manual S 122 19.6692 117 -0.38 69
IV.NARO.HHZ. 2021-03-27T04:30:32.68 0.3 undecidable manual S 96 20.3685 116 -0.46 68
IV.SSP9.EHZ. 2021-03-27T04:30:32.33 0.6 undecidable manual S 248 17.0718 121 0.21 48
IV.ATMI.HHZ. 2021-03-27T04:30:31.76 0.3 undecidable manual P 188 33.3444 50 -0.17 71
IV.CRE.HHZ. 2021-03-27T04:30:31.22 0.3 undecidable manual P 268 30.2475 50 -0.24 70
IV.PE3.EHZ. 2021-03-27T04:30:31.86 0.3 undecidable manual S 62 15.2736 123 0.26 72
IV.MPAG.EHZ. 2021-03-27T04:30:31.86 0.6 undecidable manual P 90 34.6431 50 -0.27 46
IV.TB01.DHZ.01 2021-03-27T04:30:31.29 0.3 undecidable manual P 163 29.0487 50 0.02 73
IV.FRON.EHZ. 2021-03-27T04:30:31.92 0.3 undecidable manual P 111 34.3434 50 -0.17 70
IV.APEC.HHZ. 2021-03-27T04:30:30.68 0.3 undecidable manual S 138 10.878 133 0.27 72
IV.TB03.DHZ. 2021-03-27T04:30:30.78 0.1 undecidable manual P 165 26.3514 50 -0.08 97
IV.CPGN.HNZ. 2021-03-27T04:30:30.01 0.3 undecidable manual P 358 18.87 118 0.48 68
IV.ATBU.HNZ. 2021-03-27T04:30:30.82 0.3 undecidable manual P 134 24.753 112 0.22 71
IV.ATMC.EHZ. 2021-03-27T04:30:30.25 0.3 undecidable manual P 208 23.1546 113 -0.06 73
IV.ATPC.HNZ. 2021-03-27T04:30:29.73 0.3 undecidable manual P 148 19.6692 117 0.06 74
IV.SSP9.EHZ. 2021-03-27T04:30:29.24 0.1 undecidable manual P 248 17.0718 121 0.02 100
IT.SNS1.HNZ. 2021-03-27T04:30:29.33 0.3 undecidable manual P 248 17.0718 121 0.11 74
IV.PIEI.HHZ. 2021-03-27T04:30:29.47 0.1 undecidable manual P 122 19.6692 117 -0.22 95
IV.ATPI.EHZ. 2021-03-27T04:30:29.96 0.3 undecidable manual P 163 20.868 116 0.06 74
IV.SAIV.HNZ. 2021-03-27T04:30:29.27 0.3 undecidable manual S 61 7.7811 142 -0.39 70
IV.PARC.HHZ. 2021-03-27T04:30:29.15 0.3 undecidable manual S 285 7.4814 144 -0.45 70
IV.NARO.HHZ. 2021-03-27T04:30:29.55 0.3 undecidable manual P 96 20.3685 116 -0.26 71
IV.APEC.HHZ. 2021-03-27T04:30:28.41 0.1 undecidable manual P 138 10.878 133 0.18 98
IV.PE3.EHZ. 2021-03-27T04:30:28.98 0.1 positive manual P 62 15.2736 123 0.06 99
IV.SAIV.HNZ. 2021-03-27T04:30:27.71 0.1 undecidable manual P 61 7.7811 142 -0.09 100
IV.PARC.HHZ. 2021-03-27T04:30:27.62 0.3 undecidable manual P 285 7.4814 144 -0.14 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APEC.HHE. ML:1.2 0.0001975 1.8 AML other m 2021-03-27T04:30:31.04
IV.APEC.HHN. ML:1.2 0.00018449999999999999 0.08 AML other m 2021-03-27T04:30:31.41
IV.PE3.EHN. ML:1.9 0.000707 0.34 AML other m 2021-03-27T04:30:32.69
IV.PE3.EHE. ML:1.8 0.0005814999999999999 0.34 AML other m 2021-03-27T04:30:32.57
IV.PIEI.HHN. ML:1.1 0.0000973 0.12 AML other m 2021-03-27T04:30:32.93
IV.PIEI.HHE. ML:1.3 0.00014000000000000001 0.14 AML other m 2021-03-27T04:30:32.89
IV.ATPI.EHN. ML:1.0 0.00007565 0.34 AML other m 2021-03-27T04:30:33.78
IV.ATPI.EHE. ML:1.0 0.0000688 0.86 AML other m 2021-03-27T04:30:33.19
IV.MPAG.EHE. ML:0.9 0.00003515 1.18 AML other m 2021-03-27T04:30:37.32
IV.MPAG.EHN. ML:1.0 0.000038100000000000005 0.2 AML other m 2021-03-27T04:30:37.37
IV.ATMI.HHN. ML:1.4 0.0000962 0.3 AML other m 2021-03-27T04:30:37.75
IV.ATMI.HHE. ML:1.3 0.00008854999999999998 0.28 AML other m 2021-03-27T04:30:37.63
IV.FRON.EHN. ML:1.2 0.0000628 1.16 AML other m 2021-03-27T04:30:38.88
IV.FRON.EHE. ML:0.8 0.000024245 0.3 AML other m 2021-03-27T04:30:38.31
IV.SSFR.HHN. ML:1.3 0.00005855000000000001 0.96 AML other m 2021-03-27T04:30:40.79
IV.CAFI.HHE. ML:0.8 0.000017899999999999998 0.2 AML other m 2021-03-27T04:30:40.90
IV.SSFR.HHE. ML:1.3 0.00006305 0.16 AML other m 2021-03-27T04:30:41.12
IV.CAFI.HHN. ML:0.7 0.000015050000000000002 0.82 AML other m 2021-03-27T04:30:42.50
IV.ARVD.HHE. ML:0.8 0.00001645 0.66 AML other m 2021-03-27T04:30:43.70
IV.ARVD.HHN. ML:0.8 0.00001565 1.58 AML other m 2021-03-27T04:30:47.16
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