Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 26-03-2020 and time 22:57:19 (Italy) in region 1 km W Citerna (PG)

A magnitude ML 2.0 earthquake occured in region: 1 km W Citerna (PG), on

  • 26-03-2020 21:57:19 (UTC)
  • 26-03-2020 22:57:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4960, 12.1070 at 9 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Citerna PG 1 3531 3531
Monterchi AR 1 1757 5288
Anghiari AR 6 5638 10926
Monte Santa Maria Tiberina PG 8 1183 12109
San Giustino PG 8 11297 23406
Sansepolcro AR 9 15884 39290
Città di Castello PG 11 39913 79203
Arezzo AR 18 99543 178746
Caprese Michelangelo AR 19 1426 180172
Pieve Santo Stefano AR 20 3183 183355

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Arezzo (99543 inhabitants)
49 Km NW of Perugia (166134 inhabitants)
66 Km E of Siena (53903 inhabitants)
72 Km S of Cesena (96758 inhabitants)
73 Km SW of Rimini (147750 inhabitants)
75 Km E of Firenze (382808 inhabitants)
77 Km NW of Foligno (57155 inhabitants)
80 Km SW of Pesaro (94582 inhabitants)
80 Km E of Scandicci (50609 inhabitants)
81 Km S of Forlì (117913 inhabitants)
83 Km W of Fano (60888 inhabitants)
90 Km S of Faenza (58541 inhabitants)
92 Km E of Prato (191150 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 2.0 2020-03-26
21:57:19		 43.4962 12.1072 9 2020-07-18
21:08:32		 Bollettino Sismico Italiano INGV 78073071
Reviewed
Rev100 		ML 2.0 2020-03-26
21:57:19		 43.5005 12.1053 9 2020-03-26
22:08:29		 Sala Sismica INGV-Roma 77604141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-26 21:57:19 ± 0.04
Latitude 43.4962 ± 0.0018
Longitude 12.1072 ± 0.0025
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78073071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 235
Semi-minor axis of confidence ellipse (meter) 131
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 41
Number of associated phases, regardless of their use for origin computation 67
Number of defining phases 67
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.07914
Epicentral distance of station farthest from the epicenter (degree) 0.79140
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 37
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 78073071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-10 08:44:08

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 77604141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-26 22:08:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.HHE. 2020-03-26T21:57:40.13 0.6 undecidable manual S 268 65.7897 50 -0.28 43
IV.RUFI.EHZ. 2020-03-26T21:57:39.32 1.0 undecidable manual S 309 61.0944 50 0.16 22
IV.MPAG.EHZ. 2020-03-26T21:57:37.79 0.6 undecidable manual S 74 54.501 50 0.4 43
IV.SFI.EHZ. 2020-03-26T21:57:36.24 0.6 undecidable manual S 335 49.9167 50 0.08 46
IV.ARCI.HHZ. 2020-03-26T21:57:35.25 0.3 undecidable manual P 216 87.8454 50 0.1 64
IV.FRON.EHZ. 2020-03-26T21:57:35.85 0.6 undecidable manual S 87 49.8168 50 -0.3 44
TV.SF01.EHN. 2020-03-26T21:57:35.65 0.3 undecidable manual P 210 87.7455 50 0.52 58
TV.SF13.HHE. 2020-03-26T21:57:34.79 0.3 undecidable manual P 208 84.9483 50 0.09 65
IV.ASQU.HHE. 2020-03-26T21:57:34.46 0.6 undecidable manual S 323 42.0246 50 0.41 44
IV.MURB.HHE. 2020-03-26T21:57:34.00 0.6 undecidable manual S 127 42.4242 50 -0.18 46
IV.FROS.CHZ. 2020-03-26T21:57:34.77 0.3 undecidable manual P 248 83.0502 50 0.37 61
IV.PE3.EHZ. 2020-03-26T21:57:33.45 0.6 undecidable manual S 55 38.3283 50 0.38 44
TV.SF11.HHE. 2020-03-26T21:57:33.77 0.3 undecidable manual P 207 77.7666 50 0.18 64
IV.ATTE.HHN. 2020-03-26T21:57:33.01 0.6 undecidable manual S 149 38.628 50 -0.14 46
IV.NARO.HHZ. 2020-03-26T21:57:33.43 0.6 undecidable manual S 71 40.1265 50 -0.13 46
IV.ATBU.EHZ. 2020-03-26T21:57:32.57 0.6 undecidable manual S 94 35.5422 50 0.23 46
IV.ARVD.HHZ. 2020-03-26T21:57:32.00 0.6 undecidable manual P 90 67.1772 50 0.04 45
IV.PIEI.HHZ. 2020-03-26T21:57:32.33 0.3 undecidable manual S 83 34.743 50 0.22 69
IV.CPGN.EHZ. 2020-03-26T21:57:32.94 0.6 undecidable manual S 27 37.9287 50 -0.03 48
IV.MGAB.HHZ. 2020-03-26T21:57:31.50 0.3 undecidable manual P 180 64.6908 50 -0.08 67
IV.CSNT.HHE. 2020-03-26T21:57:31.82 0.3 undecidable manual P 268 65.7897 50 0.07 67
IV.ATLO.EHE. 2020-03-26T21:57:30.71 0.6 undecidable manual S 130 31.4463 50 -0.53 43
IV.TB01.DHZ.01 2020-03-26T21:57:30.43 0.6 undecidable manual S 116 29.3484 107 -0.13 47
IV.TB02.DHZ.01 2020-03-26T21:57:30.33 0.6 undecidable manual S 120 28.0497 108 0.19 47
IV.ATPC.HHE. 2020-03-26T21:57:30.24 0.3 undecidable manual S 93 28.2495 108 0.06 72
IV.RUFI.EHZ. 2020-03-26T21:57:30.90 0.3 undecidable manual P 309 61.0944 50 -0.13 67
IT.UMBT.HGZ. 2020-03-26T21:57:30.75 0.6 undecidable manual S 138 28.6491 107 0.44 44
IV.ATVA.EHE. 2020-03-26T21:57:30.06 0.6 undecidable manual S 149 28.0497 108 -0.08 48
IV.MPAG.EHZ. 2020-03-26T21:57:29.83 0.1 undecidable manual P 74 54.501 50 -0.17 90
IV.ATVO.HHZ. 2020-03-26T21:57:29.88 0.3 undecidable manual S 118 27.2505 108 0.02 73
IV.FRON.EHZ. 2020-03-26T21:57:29.24 0.3 undecidable manual P 87 49.8168 50 -0.05 70
IV.APEC.HHZ. 2020-03-26T21:57:29.73 0.3 undecidable manual S 75 26.0517 109 0.24 70
IV.SFI.EHZ. 2020-03-26T21:57:29.19 0.3 undecidable manual P 335 49.9167 50 -0.11 69
IV.TB03.DHZ.01 2020-03-26T21:57:29.61 0.6 undecidable manual S 113 26.5512 109 -0.04 48
IV.MURB.HHE. 2020-03-26T21:57:28.23 0.6 undecidable manual P 127 42.4242 50 0.08 47
IV.ATMI.HHZ. 2020-03-26T21:57:28.55 0.6 undecidable manual S 144 22.1556 112 0.34 46
IV.ATPI.EHZ. 2020-03-26T21:57:28.88 0.3 undecidable manual S 102 24.2535 110 -0.01 73
IV.ASQU.HHE. 2020-03-26T21:57:28.34 0.6 undecidable manual P 323 42.0246 50 0.27 45
IV.PARC.HHZ. 2020-03-26T21:57:27.32 0.3 undecidable manual S 32 19.9689 114 -0.17 72
IV.ATTE.HHN. 2020-03-26T21:57:27.57 0.3 undecidable manual P 149 38.628 50 0.01 72
IV.NARO.HHZ. 2020-03-26T21:57:27.38 0.3 undecidable manual P 71 40.1265 50 -0.41 66
IV.CPGN.EHZ. 2020-03-26T21:57:27.81 0.3 undecidable manual P 27 37.9287 50 0.36 67
IV.PE3.EHZ. 2020-03-26T21:57:27.44 0.1 undecidable manual P 55 38.3283 50 -0.08 94
IV.ATBU.EHZ. 2020-03-26T21:57:27.04 0.3 undecidable manual P 94 35.5422 50 -0.05 71
IV.PIEI.HHZ. 2020-03-26T21:57:26.72 0.1 undecidable manual P 83 34.743 50 -0.24 92
IV.ATLO.EHE. 2020-03-26T21:57:26.54 0.6 undecidable manual P 130 31.4463 50 0.09 48
IV.TB02.DHZ.01 2020-03-26T21:57:26.01 0.3 undecidable manual P 120 28.0497 108 0.19 70
IV.CRE.HHZ. 2020-03-26T21:57:26.57 0.3 undecidable manual S 317 18.4704 116 -0.47 67
IT.UMBT.HGZ. 2020-03-26T21:57:25.86 1.0 undecidable manual P 138 28.6491 107 -0.06 24
IV.APEC.HHZ. 2020-03-26T21:57:25.44 0.1 undecidable manual P 75 26.0517 109 0 98
IV.ATVA.EHE. 2020-03-26T21:57:25.35 0.3 undecidable manual P 149 28.0497 108 -0.47 66
IV.TB03.DHZ.01 2020-03-26T21:57:25.40 0.1 undecidable manual P 113 26.5512 109 -0.14 95
IV.ATVO.HHZ. 2020-03-26T21:57:25.55 0.3 undecidable manual P 118 27.2505 108 -0.11 72
IV.TB01.DHZ.01 2020-03-26T21:57:25.76 0.3 undecidable manual P 116 29.3484 107 -0.31 68
IV.ATPC.HHE. 2020-03-26T21:57:25.70 0.1 undecidable manual P 93 28.2495 108 -0.14 95
IV.PARC.HHZ. 2020-03-26T21:57:24.26 0.1 undecidable manual P 32 19.9689 114 -0.03 98
IV.CDCA.HNZ. 2020-03-26T21:57:24.99 0.3 undecidable manual S 112 10.9779 129 0.16 73
IT.SNS1.HNZ. 2020-03-26T21:57:24.67 0.6 undecidable manual S 13 8.7801 135 0.41 46
IV.SSP9.EHZ. 2020-03-26T21:57:24.50 0.3 undecidable manual S 13 8.88 135 0.23 72
IV.ATMI.HHZ. 2020-03-26T21:57:24.63 0.3 undecidable manual P 144 22.1556 112 -0.07 73
IV.ATPI.EHZ. 2020-03-26T21:57:24.99 0.1 undecidable manual P 102 24.2535 110 -0.11 96
IV.ATMC.EHE. 2020-03-26T21:57:24.40 0.6 undecidable manual S 128 8.7801 135 0.13 49
IV.CRE.HHZ. 2020-03-26T21:57:23.75 0.1 undecidable manual P 317 18.4704 116 -0.28 94
IV.ATMC.EHE. 2020-03-26T21:57:22.50 0.1 undecidable manual P 128 8.7801 135 0.07 99
IV.CDCA.HNZ. 2020-03-26T21:57:22.77 0.1 undecidable manual P 112 10.9779 129 0.02 100
IT.SNS1.HNZ. 2020-03-26T21:57:22.48 0.3 undecidable manual P 13 8.7801 135 0.05 75
IV.SSP9.EHZ. 2020-03-26T21:57:22.48 0.3 undecidable manual P 13 8.88 135 0.05 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSP9.EHE. ML:2.3 0.00286 0.42 AML other m 2020-03-26T21:57:24.65
IV.SSP9.EHN. ML:2.0 0.0015300000000000001 0.56 AML other m 2020-03-26T21:57:24.71
IV.CRE.HHN. ML:1.8 0.0005834999999999999 0.18 AML other m 2020-03-26T21:57:26.76
IV.PARC.HHE. ML:2.1 0.0009135 0.52 AML other m 2020-03-26T21:57:27.79
IV.PARC.HHN. ML:2.0 0.000887 0.7 AML other m 2020-03-26T21:57:28.41
IV.ATPI.HNN. ML:2.0 0.000592 1.5 AML other m 2020-03-26T21:57:29.20
IV.ATPI.EHN. ML:1.9 0.0005225 0.14 AML other m 2020-03-26T21:57:29.21
IV.ATPI.HNE. ML:1.9 0.0005055 0.58 AML other m 2020-03-26T21:57:29.19
IV.ATPI.EHE. ML:1.8 0.0004255 0.6 AML other m 2020-03-26T21:57:29.19
IV.CRE.HHE. ML:1.7 0.0004455 0.68 AML other m 2020-03-26T21:57:29.75
IV.APEC.HHN. ML:2.4 0.0015099999999999998 0.18 AML other m 2020-03-26T21:57:30.15
IV.ATVO.HHN. ML:1.7 0.000301 1.52 AML other m 2020-03-26T21:57:30.22
IV.APEC.HHE. ML:2.3 0.001125 0.44 AML other m 2020-03-26T21:57:30.43
IV.ATMI.HHE. ML:2.1 0.000925 0.72 AML other m 2020-03-26T21:57:30.85
IV.ATVO.HHE. ML:1.8 0.000364 0.4 AML other m 2020-03-26T21:57:32.60
IV.PIEI.HHN. ML:1.8 0.00026700000000000004 0.34 AML other m 2020-03-26T21:57:33.24
IV.PIEI.HHE. ML:2.1 0.0005204999999999999 0.82 AML other m 2020-03-26T21:57:33.07
IV.NARO.HHN. ML:2.1 0.0003955 0.26 AML other m 2020-03-26T21:57:33.69
IV.NARO.HHE. ML:1.8 0.0002455 1.42 AML other m 2020-03-26T21:57:33.04
IV.PE3.EHN. ML:2.8 0.0025700000000000002 0.36 AML other m 2020-03-26T21:57:34.68
IV.PE3.EHE. ML:2.7 0.001815 0.32 AML other m 2020-03-26T21:57:34.70
IV.ATMI.HHN. ML:2.2 0.0010190000000000002 1.38 AML other m 2020-03-26T21:57:35.94
IV.RUFI.EHN. ML:1.7 0.00009305 1.58 AML other m 2020-03-26T21:57:43.02
IV.RUFI.EHE. ML:1.4 0.000057050000000000004 0.9 AML other m 2020-03-26T21:57:43.45
IV.MGAB.HHN. ML:2.3 0.00035950000000000006 0.38 AML other m 2020-03-26T21:57:44.18
IV.MGAB.HNN. ML:2.3 0.000359 0.38 AML other m 2020-03-26T21:57:44.19
IV.MGAB.HHE. ML:2.3 0.0003695 0.58 AML other m 2020-03-26T21:57:44.56
IV.MGAB.HNE. ML:2.3 0.0003485 0.58 AML other m 2020-03-26T21:57:44.28
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
Waveforms Seismic signals in miniseed + resp format Download