Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 15-08-2018 and time 13:12:22 (Italy) in region 1 km SE Bibbiena (AR)

A magnitude ML 2.2 earthquake occured in region: 1 km SE Bibbiena (AR), on

  • 15-08-2018 11:12:22 (UTC)
  • 15-08-2018 13:12:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6850, 11.8250 at 6 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
Bibbiena AR 1 12241 12241
Castel Focognano AR 4 3149 15390
Chitignano AR 5 899 16289
Ortignano Raggiolo AR 6 878 17167
Poppi AR 7 6160 23327
Chiusi della Verna AR 9 2023 25350
Talla AR 10 1062 26412
Castel San Niccolò AR 12 2707 29119
Subbiano AR 13 6331 35450
Caprese Michelangelo AR 14 1426 36876
Capolona AR 14 5438 42314
Pratovecchio Stia AR 14 5845 48159
Montemignaio AR 18 566 48725
Pieve Santo Stefano AR 18 3183 51908
Castiglion Fibocchi AR 18 2167 54075
Loro Ciuffenna AR 19 5819 59894
Verghereto FC 19 1907 61801

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of Arezzo (99543 inhabitants)
47 Km E of Firenze (382808 inhabitants)
52 Km E of Scandicci (50609 inhabitants)
57 Km NE of Siena (53903 inhabitants)
60 Km SW of Cesena (96758 inhabitants)
62 Km E of Prato (191150 inhabitants)
62 Km S of Forlì (117913 inhabitants)
67 Km S of Faenza (58541 inhabitants)
73 Km SW of Rimini (147750 inhabitants)
75 Km S of Imola (69797 inhabitants)
78 Km E of Pistoia (90315 inhabitants)
79 Km NW of Perugia (166134 inhabitants)
87 Km SW of Ravenna (159116 inhabitants)
91 Km W of Pesaro (94582 inhabitants)
98 Km W of Fano (60888 inhabitants)
98 Km SE of Bologna (386663 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 2.2 2018-08-15
11:12:22		 43.6853 11.8248 6 2019-04-24
14:50:54		 Bollettino Sismico Italiano INGV 60127861
Reviewed
Rev100 		ML 2.2 2018-08-15
11:12:22		 43.6837 11.8207 6 2018-08-15
11:23:19		 Sala Sismica INGV-Roma 59774081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-15 11:12:22 ± 0.06
Latitude 43.6853 ± 0.0036
Longitude 11.8248 ± 0.0037
Depth (km) 6 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 60127861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 389
Semi-minor axis of confidence ellipse (meter) 214
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 68
Number of defining phases 59
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.26714
Number of stations at which the event was observed 46
Number of stations from which data was used for origin computation 37
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 64
Type of magnitude ML
Reference to an origin 60127861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-08-23 13:13:17

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 64
Type of magnitude ML
Reference to an origin 59774081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-15 11:23:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFE.HHZ. 2018-08-15T11:14:13.19 3.0 undecidable manual Sg 10.34 0
GU.ENR.HHZ. 2018-08-15T11:14:07.26 3.0 undecidable manual Sg 15.14 0
CH.FUORN.HHZ. 2018-08-15T11:13:53.08 3.0 undecidable manual Sn 3.36 0
IV.LTRZ.EHZ. 2018-08-15T11:13:52.81 3.0 positive manual Pg 18.110001 0
GU.CANO.HHZ. 2018-08-15T11:13:45.14 3.0 undecidable manual Sn 7.28 0
ST.RONC.EHZ. 2018-08-15T11:13:37.62 3.0 undecidable manual Sg 4.67 0
IV.ZONE.HHZ. 2018-08-15T11:13:35.11 3.0 undecidable manual Sg 3.14 0
IV.MCRV.HHZ. 2018-08-15T11:13:24.18 3.0 undecidable manual Pn 3.3 0
IV.SMA1.EHZ. 2018-08-15T11:13:14.37 3.0 undecidable manual S 3.79 0
IV.MTCR.EHZ. 2018-08-15T11:12:46.48 0.1 undecidable manual S 300 75.9684 50 0.47 83
IV.MURB.HHZ. 2018-08-15T11:12:45.44 0.3 undecidable manual S 130 73.2711 50 0.15 67
IV.NRCA.HHZ. 2018-08-15T11:12:45.81 0.3 undecidable manual P 132 140.6481 50 -0.1 59
IV.CRMI.HHZ. 2018-08-15T11:12:44.65 0.3 undecidable manual S 281 68.8755 50 0.54 62
IV.CSP1.EHZ. 2018-08-15T11:12:44.73 0.3 undecidable manual P 120 129.2706 50 0.57 54
IV.ATTE.HHZ. 2018-08-15T11:12:44.42 0.6 undecidable manual S 142 68.8755 50 0.32 44
IV.FDMO.HHZ. 2018-08-15T11:12:43.55 0.3 undecidable manual P 125 124.6863 50 0.1 61
MN.VLC.HHZ. 2018-08-15T11:12:43.61 0.3 undecidable manual P 295 126.3735 50 -0.1 61
IV.MPPT.EHZ. 2018-08-15T11:12:43.44 0.3 undecidable manual S 297 66.0894 50 0.07 69
IV.MOCL.EHZ. 2018-08-15T11:12:42.51 0.3 undecidable manual S 305 62.493 50 0.09 69
IV.PIEI.HHZ. 2018-08-15T11:12:41.61 0.6 undecidable manual S 106 59.3961 50 0.02 47
IV.ATVO.HHZ. 2018-08-15T11:12:41.23 0.3 undecidable manual S 126 57.5979 50 0.12 70
GU.MAIM.HHZ. 2018-08-15T11:12:41.69 0.3 undecidable manual P 284 109.7124 50 0.55 57
IV.ATMI.HHZ. 2018-08-15T11:12:40.18 0.3 undecidable manual S 137 52.8027 50 0.35 67
IV.PE3.EHZ. 2018-08-15T11:12:40.81 0.3 undecidable manual S 89 53.9016 50 0.7 60
TV.SF01.EHZ. 2018-08-15T11:12:40.03 0.3 undecidable manual P 192 99.123 50 0.51 59
IV.ARCI.HHZ. 2018-08-15T11:12:39.22 0.3 undecidable manual P 197 96.6255 50 0.08 65
IV.APEC.HHZ. 2018-08-15T11:12:39.14 0.3 undecidable manual S 106 49.8168 50 0.11 71
TV.SF04.EHZ. 2018-08-15T11:12:39.40 0.3 undecidable manual P 188 95.238 50 0.49 60
IV.ATPI.EHZ. 2018-08-15T11:12:39.39 0.3 undecidable manual S 119 53.2023 50 -0.54 64
IV.CSNT.HHZ. 2018-08-15T11:12:38.57 0.6 undecidable manual S 241 49.0176 50 -0.24 46
IV.ARVD.HHZ. 2018-08-15T11:12:38.68 0.3 undecidable manual P 103 92.1411 50 0.25 63
IV.CPGN.EHZ. 2018-08-15T11:12:37.40 0.3 undecidable manual S 72 41.7249 98 0.56 65
IV.SSFR.HHZ. 2018-08-15T11:12:36.59 0.1 undecidable manual P 109 81.7515 50 -0.25 86
IV.CAFI.HHZ. 2018-08-15T11:12:36.32 0.3 undecidable manual S 164 41.1255 99 -0.31 69
IV.LMD.HHZ. 2018-08-15T11:12:36.84 0.3 undecidable manual S 348 44.5221 50 -0.77 59
IV.FRON.EHZ. 2018-08-15T11:12:35.39 0.3 undecidable manual P 104 74.7696 50 -0.36 64
IV.BADI.EHZ. 2018-08-15T11:12:35.99 0.1 undecidable manual S 120 38.9277 99 0.11 96
IV.MURB.HHZ. 2018-08-15T11:12:35.67 0.1 undecidable manual P 130 73.2711 50 0.14 90
IV.ATTE.HHZ. 2018-08-15T11:12:35.01 0.1 undecidable manual P 142 68.8755 50 0.17 90
IV.IMOL.EHZ. 2018-08-15T11:12:35.52 0.3 undecidable manual P 355 75.0693 50 -0.29 65
IV.MTCR.EHZ. 2018-08-15T11:12:35.89 0.1 undecidable manual P 300 75.9684 50 -0.05 91
IV.MPPT.EHZ. 2018-08-15T11:12:34.15 0.1 undecidable manual P 297 66.0894 50 -0.27 88
IV.CRMI.HHZ. 2018-08-15T11:12:34.79 0.3 undecidable manual P 281 68.8755 50 -0.06 69
IV.PARC.HHZ. 2018-08-15T11:12:33.75 0.1 undecidable manual S 97 33.4443 101 -0.25 94
IV.MOCL.EHZ. 2018-08-15T11:12:33.62 0.3 undecidable manual P 305 62.493 50 -0.25 67
IV.SEI.HHZ. 2018-08-15T11:12:33.01 0.3 undecidable manual P 318 55.4001 50 0.24 68
IV.ATPI.EHZ. 2018-08-15T11:12:32.05 0.1 undecidable manual P 119 53.2023 50 -0.39 88
IV.ATVO.HHZ. 2018-08-15T11:12:32.83 0.1 undecidable manual P 126 57.5979 50 -0.29 89
IV.ATMI.HHZ. 2018-08-15T11:12:32.34 0.1 undecidable manual P 137 52.8027 50 -0.04 95
IV.SSP9.EHZ. 2018-08-15T11:12:32.37 0.1 undecidable manual S 117 27.5502 103 0.38 93
IV.PE3.EHZ. 2018-08-15T11:12:32.53 0.3 undecidable manual P 89 53.9016 50 -0.01 72
IV.RUFI.EHZ. 2018-08-15T11:12:32.77 0.1 undecidable manual S 304 30.4473 102 -0.2 96
IV.PIEI.HHZ. 2018-08-15T11:12:32.86 0.3 undecidable manual P 106 59.3961 50 -0.53 63
IV.CSNT.HHZ. 2018-08-15T11:12:31.40 0.3 undecidable manual P 241 49.0176 50 -0.39 67
IV.APEC.HHZ. 2018-08-15T11:12:31.74 0.3 undecidable manual P 106 49.8168 50 -0.18 70
IV.LMD.HHZ. 2018-08-15T11:12:30.55 0.1 undecidable manual P 348 44.5221 50 -0.54 86
IV.SFI.EHZ. 2018-08-15T11:12:30.73 0.1 undecidable manual S 4 24.3534 104 -0.2 97
IV.ATMC.EHE. 2018-08-15T11:12:30.14 0.1 undecidable manual P 132 39.7269 99 -0.1 96
IV.CPGN.EHZ. 2018-08-15T11:12:30.71 0.3 undecidable manual P 72 41.7249 98 0.06 72
IV.CDCA.HNZ. 2018-08-15T11:12:30.40 0.1 undecidable manual P 127 41.4252 99 -0.18 94
IV.CAFI.HHZ. 2018-08-15T11:12:30.28 0.1 undecidable manual P 164 41.1255 99 -0.25 93
IV.BADI.EHZ. 2018-08-15T11:12:29.90 0.1 undecidable manual P 120 38.9277 99 -0.2 94
IV.RUFI.EHZ. 2018-08-15T11:12:28.37 0.1 positive manual P 304 30.4473 102 -0.04 99
IV.PARC.HHZ. 2018-08-15T11:12:28.77 0.1 positive manual P 97 33.4443 101 -0.24 94
IV.SSP9.EHZ. 2018-08-15T11:12:28.02 0.1 undecidable manual P 117 27.5502 103 0.17 97
IV.ASQU.HHZ. 2018-08-15T11:12:27.57 0.1 undecidable manual S 347 12.6762 116 0.48 93
IV.SFI.EHZ. 2018-08-15T11:12:27.28 0.1 positive manual P 4 24.3534 104 0.04 100
IV.ASQU.HHZ. 2018-08-15T11:12:25.44 0.1 positive manual P 347 12.6762 116 0.42 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASQU.HHN. ML:2.7 0.0063100000000000005 1 AML other m 2018-08-15T11:12:28.48
IV.ASQU.HHE. ML:2.6 0.005365 1.02 AML other m 2018-08-15T11:12:28.99
IV.SSP9.EHN. ML:2.2 0.0009624999999999999 0.26 AML other m 2018-08-15T11:12:32.70
IV.SSP9.EHE. ML:2.3 0.001042 0.56 AML other m 2018-08-15T11:12:32.62
IV.RUFI.EHN. ML:2.2 0.0007275000000000001 1.72 AML other m 2018-08-15T11:12:32.04
IV.RUFI.EHE. ML:2.0 0.0005954999999999999 0.44 AML other m 2018-08-15T11:12:34.29
IV.PARC.HHN. ML:2.4 0.00106 1.52 AML other m 2018-08-15T11:12:35.13
IV.PARC.HHE. ML:2.2 0.0006655 0.22 AML other m 2018-08-15T11:12:35.22
IV.BADI.EHN. ML:2.4 0.0008715 0.58 AML other m 2018-08-15T11:12:36.67
IV.BADI.EHE. ML:2.4 0.0009295 1.68 AML other m 2018-08-15T11:12:37.84
IV.LMD.HHN. ML:2.5 0.0009695 0.96 AML other m 2018-08-15T11:12:37.93
IV.CAFI.HHN. ML:2.1 0.0004385 0.42 AML other m 2018-08-15T11:12:37.30
IV.LMD.HHE. ML:2.7 0.0017250000000000002 0.16 AML other m 2018-08-15T11:12:37.59
IV.CAFI.HHE. ML:2.0 0.0003735 1.44 AML other m 2018-08-15T11:12:39.22
IV.CSNT.HHE. ML:2.1 0.00030900000000000003 0.48 AML other m 2018-08-15T11:12:39.62
IV.APEC.HHE. ML:2.4 0.0007889999999999999 1.36 AML other m 2018-08-15T11:12:40.03
IV.CPGN.EHE. ML:2.2 0.0004995 1.2 AML other m 2018-08-15T11:12:40.12
IV.CPGN.EHN. ML:2.2 0.0005899999999999999 1.28 AML other m 2018-08-15T11:12:40.33
IV.APEC.HHN. ML:2.2 0.00042699999999999997 0.58 AML other m 2018-08-15T11:12:41.30
IV.ATMI.HHE. ML:2.6 0.001102 0.48 AML other m 2018-08-15T11:12:41.60
IV.ATVO.HHN. ML:2.2 0.0003125 1.38 AML other m 2018-08-15T11:12:42.21
IV.ATVO.HHE. ML:2.4 0.0006165000000000001 0.5 AML other m 2018-08-15T11:12:42.25
IV.ATMI.HHN. ML:2.6 0.0010329999999999998 0.42 AML other m 2018-08-15T11:12:42.42
IV.CSNT.HHN. ML:2.1 0.000368 0.26 AML other m 2018-08-15T11:12:42.74
IV.ATPI.EHE. ML:2.0 0.00025 0.42 AML other m 2018-08-15T11:12:43.87
IV.ATPI.EHN. ML:2.3 0.00046399999999999995 0.44 AML other m 2018-08-15T11:12:43.66
IV.PIEI.HHN. ML:1.9 0.0001725 0.18 AML other m 2018-08-15T11:12:43.79
IV.MOCL.EHE. ML:2.1 0.00027049999999999996 0.54 AML other m 2018-08-15T11:12:44.12
IV.MOCL.EHN. ML:2.2 0.000317 0.86 AML other m 2018-08-15T11:12:44.18
IV.MPPT.EHN. ML:2.1 0.00020850000000000003 0.34 AML other m 2018-08-15T11:12:44.67
IV.PIEI.HHE. ML:2.2 0.0003675 1.76 AML other m 2018-08-15T11:12:45.97
IV.CRMI.HHN. ML:1.9 0.00014800000000000002 0.66 AML other m 2018-08-15T11:12:46.72
IV.PE3.EHN. ML:2.7 0.00115 0.84 AML other m 2018-08-15T11:12:46.89
IV.SEI.HHE. ML:2.2 0.00032450000000000003 0.48 AML other m 2018-08-15T11:12:46.76
IV.MPPT.EHE. ML:2.0 0.000185 0.72 AML other m 2018-08-15T11:12:47.43
IV.PE3.EHE. ML:2.7 0.00126 1.48 AML other m 2018-08-15T11:12:47.24
IV.ATTE.HHN. ML:2.5 0.000516 0.32 AML other m 2018-08-15T11:12:47.14
IV.ATTE.HHE. ML:2.3 0.000308 0.3 AML other m 2018-08-15T11:12:47.74
IV.MTCR.EHN. ML:2.1 0.000201 0.2 AML other m 2018-08-15T11:12:47.73
IV.CRMI.HHE. ML:1.9 0.0001395 1.44 AML other m 2018-08-15T11:12:48.01
IV.MTCR.EHE. ML:2.0 0.00016399999999999997 1.66 AML other m 2018-08-15T11:12:48.85
IV.SEI.HHN. ML:2.5 0.0007435 1.62 AML other m 2018-08-15T11:12:48.09
IV.FRON.EHE. ML:1.9 0.0001191 0.42 AML other m 2018-08-15T11:12:48.41
IV.SSFR.HHE. ML:2.4 0.000332 0.72 AML other m 2018-08-15T11:12:49.91
IV.MURB.HNE. ML:2.6 0.000732 1.22 AML other m 2018-08-15T11:12:49.34
IV.MURB.HHE. ML:2.7 0.00084 0.28 AML other m 2018-08-15T11:12:50.34
IV.MURB.HHN. ML:2.8 0.001145 0.24 AML other m 2018-08-15T11:12:50.19
IV.MURB.HNN. ML:2.8 0.0011099999999999999 0.26 AML other m 2018-08-15T11:12:50.32
IV.FRON.EHN. ML:2.1 0.0001735 0.48 AML other m 2018-08-15T11:12:50.80
IV.SSFR.HNN. ML:2.5 0.0004465 1.08 AML other m 2018-08-15T11:12:51.97
IV.SSFR.HHN. ML:2.4 0.000325 1.82 AML other m 2018-08-15T11:12:52.97
IV.SSFR.HNE. ML:2.4 0.0003465 0.2 AML other m 2018-08-15T11:12:53.20
TV.SF04.EHN. ML:2.1 0.000131 0.28 AML other m 2018-08-15T11:12:53.35
IV.ARVD.HHN. ML:1.8 0.00008205 0.88 AML other m 2018-08-15T11:12:54.52
IV.ARVD.HHE. ML:1.8 0.0000746 0.7 AML other m 2018-08-15T11:12:56.18
GU.MAIM.HHN. ML:1.8 0.00005555 0.74 AML other m 2018-08-15T11:12:57.86
TV.SF04.EHE. ML:2.2 0.0001555 0.74 AML other m 2018-08-15T11:12:58.90
IV.ARCI.HHN. ML:2.5 0.000301 0.98 AML other m 2018-08-15T11:12:58.13
GU.MAIM.HHE. ML:1.8 0.000055150000000000006 0.58 AML other m 2018-08-15T11:13:00.03
IV.ARCI.HHE. ML:2.2 0.000168 1.54 AML other m 2018-08-15T11:13:00.87
IV.FDMO.HHN. ML:1.9 0.0000549 0.6 AML other m 2018-08-15T11:13:05.93
IV.NRCA.HHE. ML:2.0 0.0000602 0.42 AML other m 2018-08-15T11:13:11.15
IV.NRCA.HHN. ML:2.0 0.00005725 1.58 AML other m 2018-08-15T11:13:11.18
IV.FDMO.HHE. ML:1.8 0.0000412 1.32 AML other m 2018-08-15T11:13:17.03
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