Earthquake with magnitude of ML 1.4 on date 22-05-2022 and time 15:21:45 (Italy) in region 5 km S Cascina (PI)

A magnitude ML 1.4 earthquake occured in region: 5 km S Cascina (PI), on

  • 22-05-2022 13:21:45 (UTC)
  • 22-05-2022 15:21:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6340, 10.5480 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cascina PI 5 45257 45257
Crespina Lorenzana PI 7 5457 50714
Ponsacco PI 7 15611 66325
Collesalvetti LI 8 16827 83152
Fauglia PI 8 3682 86834
Calcinaia PI 8 12439 99273
Pontedera PI 8 29223 128496
Vicopisano PI 8 8559 137055
Bientina PI 10 8062 145117
Calci PI 11 6426 151543
Buti PI 11 5791 157334
Capannoli PI 12 6381 163715
Casciana Terme Lari PI 13 12529 176244
Santa Maria a Monte PI 14 13253 189497
Pisa PI 15 89158 278655
Terricciola PI 16 4627 283282
Orciano Pisano PI 16 647 283929
San Giuliano Terme PI 17 31399 315328
Peccioli PI 17 4807 320135
Castelfranco di Sotto PI 18 13427 333562
Montopoli in Val d'Arno PI 18 11148 344710
Santa Luce PI 18 1684 346394
Chianni PI 18 1392 347786
Palaia PI 19 4612 352398

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km SE of Pisa (89158 inhabitants)
21 Km E of Livorno (159219 inhabitants)
24 Km S of Lucca (89046 inhabitants)
35 Km SE of Viareggio (62467 inhabitants)
45 Km SW of Pistoia (90315 inhabitants)
52 Km SW of Prato (191150 inhabitants)
53 Km W of Scandicci (50609 inhabitants)
55 Km SE of Massa (69479 inhabitants)
59 Km W of Firenze (382808 inhabitants)
61 Km SE of Carrara (63133 inhabitants)
72 Km W of Siena (53903 inhabitants)
78 Km SE of La Spezia (93959 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 1.4 2022-05-22
13:21:45
43.6342 10.5478 10 2023-01-31
19:03:30
Bollettino Sismico Italiano INGV 108144031
Reviewed
Rev100
ML 1.3 2022-05-22
13:21:45
43.643 10.5593 10 2022-05-22
13:29:49
Sala Sismica INGV-Roma 105004311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-22 13:21:45 ± 0.16
Latitude 43.6342 ± 0.0072
Longitude 10.5478 ± 0.0137
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 108144031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1079
Semi-minor axis of confidence ellipse (meter) 512
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 1080.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.97576
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 105004311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-22 13:29:49

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 108144031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-08-05 11:13:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.PALA.HHZ. 2022-05-22T13:22:41.41 3.0 undecidable manual Pg 6.36 0
IV.ASSB.HHZ. 2022-05-22T13:22:37.68 3.0 undecidable manual Sn 0.23 0
IV.VVLD.HHZ. 2022-05-22T13:22:32.97 3.0 undecidable manual Pn 1.5 0
IV.ARVD.HHZ. 2022-05-22T13:22:21.27 3.0 positive manual Pg 5.34 0
IV.SFI.EHZ. 2022-05-22T13:22:03.34 0.6 undecidable manual P 73 108.3138 50 -0.44 38
IV.ASQU.HHZ. 2022-05-22T13:22:03.20 0.3 undecidable manual P 79 101.121 50 0.52 57
IV.CASP.HHZ. 2022-05-22T13:22:02.81 0.3 undecidable manual P 165 97.0251 50 0.76 52
GU.POPM.HHZ. 2022-05-22T13:22:00.74 0.6 undecidable manual S 20 48.5181 50 -0.43 43
ZH.T1646.EHN. 2022-05-22T13:22:00.68 0.6 undecidable manual S 86 45.1215 50 0.43 43
IV.RUFI.EHZ. 2022-05-22T13:21:59.70 0.1 undecidable manual P 73 80.364 50 0.23 84
GU.CARD.HHZ. 2022-05-22T13:21:59.46 0.6 undecidable manual S 353 43.8228 50 -0.44 43
IV.CRMI.HHZ. 2022-05-22T13:21:58.28 0.6 undecidable manual S 63 38.9277 50 -0.33 45
IV.MAGO.CHZ. 2022-05-22T13:21:57.99 0.6 undecidable manual S 167 41.0256 50 -1.17 32
GU.SARM.EHE. 2022-05-22T13:21:57.54 0.6 undecidable manual P 349 62.0934 50 0.87 35
GU.EQUI.HHZ. 2022-05-22T13:21:57.83 0.3 undecidable manual P 332 66.8775 50 0.43 62
IV.FROS.CHN. 2022-05-22T13:21:57.94 0.6 undecidable manual P 134 67.9764 50 0.37 42
IV.MOCL.EHE. 2022-05-22T13:21:57.25 0.3 undecidable manual P 51 65.2902 50 0.1 67
MN.VLC.HHZ. 2022-05-22T13:21:56.90 0.3 undecidable manual P 348 59.6958 50 0.61 60
IV.MPPT.EHZ. 2022-05-22T13:21:55.81 0.3 undecidable manual P 50 56.2992 50 0.03 69
ZH.T1614.HNN. 2022-05-22T13:21:55.54 0.3 undecidable manual P 81 55.3002 50 -0.08 68
IV.OSSC.HHZ. 2022-05-22T13:21:55.80 0.3 undecidable manual P 102 57.3981 50 -0.14 67
GU.MAIM.HHZ. 2022-05-22T13:21:55.98 0.6 undecidable manual S 352 31.2465 50 -0.57 42
GU.POPM.HHZ. 2022-05-22T13:21:54.68 0.3 undecidable manual P 20 48.5181 50 0.11 69
ZH.T1646.EHN. 2022-05-22T13:21:54.08 0.3 undecidable manual P 86 45.1215 50 0.04 70
IV.BDI.HHZ. 2022-05-22T13:21:54.37 0.3 undecidable manual P 5 47.7189 50 -0.07 69
GU.CARD.HHZ. 2022-05-22T13:21:53.92 0.3 undecidable manual P 353 43.8228 50 0.08 70
IV.MAGO.CHZ. 2022-05-22T13:21:52.93 0.1 undecidable manual P 167 41.0256 50 -0.48 86
IV.CRMI.HHZ. 2022-05-22T13:21:52.90 0.1 undecidable manual P 63 38.9277 50 -0.2 92
GU.MAIM.HHZ. 2022-05-22T13:21:51.83 0.3 undecidable manual P 352 31.2465 50 -0.08 71
IV.PII.HHZ. 2022-05-22T13:21:50.02 0.6 undecidable manual S 349 9.879 136 -0.49 45
IV.PII.HHZ. 2022-05-22T13:21:48.40 0.1 positive manual P 349 9.879 136 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PII.HHE. ML:1.8 0.0007415000000000001 0.2 AML other m 2022-05-22T13:21:50.28
IV.PII.HHN. ML:1.8 0.0008625000000000001 0.14 AML other m 2022-05-22T13:21:50.32
GU.MAIM.HHN. ML:1.1 0.000057050000000000004 0.14 AML other m 2022-05-22T13:21:56.80
GU.MAIM.HHE. ML:1.1 0.000055350000000000004 0.38 AML other m 2022-05-22T13:21:56.77
IV.MAGO.CHN. ML:1.6 0.000141 1.42 AML other m 2022-05-22T13:21:58.82
IV.CRMI.HHN. ML:1.3 0.00006659999999999999 0.6 AML other m 2022-05-22T13:21:58.57
IV.CRMI.HHE. ML:1.0 0.00003715 0.9 AML other m 2022-05-22T13:21:58.77
IV.MAGO.CHE. ML:1.6 0.000125 1.38 AML other m 2022-05-22T13:21:59.18
GU.CARD.HHN. ML:1.6 0.000126 0.24 AML other m 2022-05-22T13:22:00.84
GU.CARD.HHE. ML:1.6 0.00011925 0.68 AML other m 2022-05-22T13:22:01.78
IV.BDI.HHN. ML:1.3 0.0000558 0.88 AML other m 2022-05-22T13:22:02.47
GU.POPM.HHE. ML:2.0 0.0002585 0.18 AML other m 2022-05-22T13:22:02.88
GU.POPM.HHN. ML:1.9 0.00020850000000000003 1.8 AML other m 2022-05-22T13:22:02.98
IV.OSSC.HHN. ML:1.1 0.0000324 0.6 AML other m 2022-05-22T13:22:03.35
IV.MPPT.EHE. ML:1.4 0.000048849999999999995 0.78 AML other m 2022-05-22T13:22:04.18
IV.BDI.HHE. ML:1.3 0.00004825 0.46 AML other m 2022-05-22T13:22:05.10
IV.OSSC.HHE. ML:1.3 0.0000393 0.2 AML other m 2022-05-22T13:22:05.19
IV.MPPT.EHN. ML:1.5 0.00007225000000000001 0.26 AML other m 2022-05-22T13:22:07.39
GU.EQUI.HHE. ML:1.0 0.000021249999999999998 0.5 AML other m 2022-05-22T13:22:10.41
GU.EQUI.HHN. ML:1.0 0.0000216 0.98 AML other m 2022-05-22T13:22:10.69
IV.ASQU.HHE. ML:1.2 0.00001475 0.38 AML other m 2022-05-22T13:22:19.68
IV.ASQU.HHN. ML:1.2 0.00001735 1.4 AML other m 2022-05-22T13:22:22.11
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