Earthquake with magnitude of ML 1.0 on date 22-05-2020 and time 23:58:17 (Italy) in region 2 km E Chiusi della Verna (AR)

A magnitude ML 1.0 earthquake occured in region: 2 km E Chiusi della Verna (AR), on

  • 22-05-2020 21:58:17 (UTC)
  • 22-05-2020 23:58:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7080, 11.9640 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Chiusi della Verna AR 2 2023 2023
Caprese Michelangelo AR 7 1426 3449
Pieve Santo Stefano AR 8 3183 6632
Chitignano AR 8 899 7531
Verghereto FC 10 1907 9438
Bibbiena AR 12 12241 21679
Castel Focognano AR 12 3149 24828
Poppi AR 16 6160 30988
Subbiano AR 16 6331 37319
Bagno di Romagna FC 17 6026 43345
Ortignano Raggiolo AR 17 878 44223
Badia Tedalda AR 18 1087 45310
Casteldelci RN 18 407 45717
Capolona AR 18 5438 51155
Talla AR 18 1062 52217
Anghiari AR 20 5638 57855

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km N of Arezzo (99543 inhabitants)
53 Km SW of Cesena (96758 inhabitants)
57 Km E of Firenze (382808 inhabitants)
58 Km S of Forlì (117913 inhabitants)
62 Km SW of Rimini (147750 inhabitants)
63 Km E of Scandicci (50609 inhabitants)
65 Km S of Faenza (58541 inhabitants)
67 Km NE of Siena (53903 inhabitants)
72 Km E of Prato (191150 inhabitants)
75 Km S of Imola (69797 inhabitants)
75 Km NW of Perugia (166134 inhabitants)
80 Km W of Pesaro (94582 inhabitants)
81 Km S of Ravenna (159116 inhabitants)
86 Km W of Fano (60888 inhabitants)
88 Km E of Pistoia (90315 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 1.0 2020-05-22
21:58:17
43.7082 11.9642 9 2020-05-22
22:05:21
Sala Sismica INGV-Roma 79463681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-22 21:58:17 ± 0.04
Latitude 43.7082 ± 0.0036
Longitude 11.9642 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79463681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 520
Semi-minor axis of confidence ellipse (meter) 39
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 34
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45596
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 79463681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-22 22:05:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2020-05-22T21:58:33.95 0.3 undecidable manual S 102 50.616 50 0.17 69
IV.PIEI.HHZ. 2020-05-22T21:58:33.58 0.3 undecidable manual S 112 49.7169 50 0.05 71
IV.ATMI.HHZ. 2020-05-22T21:58:33.07 3.0 undecidable manual S 0
IV.RUFI.EHZ. 2020-05-22T21:58:30.67 0.3 undecidable manual S 292 39.1275 50 -0.05 72
IV.NARO.HHZ. 2020-05-22T21:58:26.69 0.1 undecidable manual P 102 50.616 50 -0.18 92
IV.PIEI.HHZ. 2020-05-22T21:58:26.81 0.6 undecidable manual P 112 49.7169 50 0.1 47
IV.PE3.EHZ. 2020-05-22T21:58:26.44 3.0 undecidable manual P 0.52 0
IV.SFI.EHZ. 2020-05-22T21:58:26.33 0.3 undecidable manual S 337 23.754 111 0.08 74
IV.SSP9.EHZ. 2020-05-22T21:58:25.34 0.6 undecidable manual S 138 20.0688 115 0.28 48
IV.RUFI.EHZ. 2020-05-22T21:58:25.13 1.0 negative manual P 292 39.1275 50 0.04 24
IV.PARC.HHZ. 2020-05-22T21:58:25.91 0.3 undecidable manual S 107 22.9548 112 -0.1 74
IV.ASQU.HHZ. 2020-05-22T21:58:24.17 0.6 undecidable manual S 305 17.0718 118 0.02 50
IV.PARC.HHZ. 2020-05-22T21:58:22.28 0.1 undecidable manual P 107 22.9548 112 -0.09 99
IV.SFI.EHZ. 2020-05-22T21:58:22.59 0.6 positive manual P 337 23.754 111 0.08 49
IV.ASQU.HHZ. 2020-05-22T21:58:21.29 0.6 positive manual P 305 17.0718 118 -0.01 51
IV.SSP9.EHZ. 2020-05-22T21:58:21.79 0.1 undecidable manual P 138 20.0688 115 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASQU.HHE. ML:0.8 0.00005546761999999999 0.32 AML other m 2020-05-22T21:58:24.52
IV.ASQU.HHN. ML:0.8 0.000057568125 0.1024 AML other m 2020-05-22T21:58:24.51
IV.SSP9.EHE. ML:0.9 0.00006646104 8.0896 AML other m 2020-05-22T21:58:25.11
IV.SSP9.EHN. ML:0.8 0.000045964974 4.2496 AML other m 2020-05-22T21:58:30.46
IV.PARC.HHE. ML:0.6 0.000026227005 0.7552 AML other m 2020-05-22T21:58:27.43
IV.PARC.HHN. ML:1.2 0.00009425383000000001 0.128 AML other m 2020-05-22T21:58:26.17
IV.SFI.HNE. ML:1.4 0.00015162504999999998 2.8544 AML other m 2020-05-22T21:58:25.30
IV.SFI.HNN. ML:1.3 0.00011507439999999999 0.704 AML other m 2020-05-22T21:58:23.90
IV.SFI.EHE. ML:0.7 0.000031642135 0.5248 AML other m 2020-05-22T21:58:30.87
IV.SFI.EHN. ML:0.7 0.000031170605 0.4224 AML other m 2020-05-22T21:58:26.96
IV.RUFI.EHE. ML:1.3 0.000071024885 7.8208 AML other m 2020-05-22T21:58:40.18
IV.RUFI.EHN. ML:1.0 0.0000390398445 10.3168 AML other m 2020-05-22T21:58:26.41
IV.PE3.EHE. ML:1.6 0.00011915987 10.4832 AML other m 2020-05-22T21:58:28.36
IV.PE3.EHN. ML:1.6 0.00011861948 6.4 AML other m 2020-05-22T21:58:39.44
IV.NARO.HHE. ML:0.8 0.000017063830000000003 7.104 AML other m 2020-05-22T21:58:34.48
IV.NARO.HHN. ML:0.9 0.000019530035 5.3376 AML other m 2020-05-22T21:58:34.53
IV.PIEI.HHE. ML:0.9 0.000020556595 0.1152 AML other m 2020-05-22T21:58:34.55
IV.PIEI.HHN. ML:0.9 0.00001818796 6.1184 AML other m 2020-05-22T21:58:41.13
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