Earthquake with magnitude of ML 1.2 on date 31-12-2021 and time 00:17:21 (Italy) in region 2 km W Palagano (MO)

A magnitude ML 1.2 earthquake occured in region: 2 km W Palagano (MO), on

  • 30-12-2021 23:17:21 (UTC)
  • 31-12-2021 00:17:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3210, 10.6280 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Palagano MO 2 2194 2194
Montefiorino MO 4 2203 4397
Frassinoro MO 5 1926 6323
Polinago MO 8 1672 7995
Toano RE 8 4463 12458
Lama Mocogno MO 8 2734 15192
Riolunato MO 10 712 15904
Montecreto MO 11 940 16844
Pievepelago MO 13 2222 19066
Villa Minozzo RE 14 3750 22816
Prignano sulla Secchia MO 14 3747 26563
Sestola MO 15 2508 29071
Fiumalbo MO 16 1280 30351
Pavullo nel Frignano MO 17 17383 47734
Serramazzoni MO 17 8282 56016
Carpineti RE 17 4064 60080
Fanano MO 18 2989 63069
Baiso RE 20 3315 66384
Abetone PT 20 621 67005

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km S of Reggio nell'Emilia (171345 inhabitants)
43 Km SW of Modena (184973 inhabitants)
49 Km NW of Pistoia (90315 inhabitants)
50 Km NE of Massa (69479 inhabitants)
50 Km NE of Carrara (63133 inhabitants)
54 Km N of Lucca (89046 inhabitants)
55 Km SW of Carpi (70699 inhabitants)
59 Km SE of Parma (192836 inhabitants)
59 Km NE of Viareggio (62467 inhabitants)
60 Km W of Bologna (386663 inhabitants)
62 Km NW of Prato (191150 inhabitants)
68 Km E of La Spezia (93959 inhabitants)
70 Km N of Pisa (89158 inhabitants)
77 Km NW of Scandicci (50609 inhabitants)
79 Km NW of Firenze (382808 inhabitants)
87 Km W of Imola (69797 inhabitants)
89 Km NE of Livorno (159219 inhabitants)
97 Km SW of Ferrara (133155 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 1.2 2021-12-30
23:17:21
44.3208 10.628 9 2022-03-30
13:04:25
Bollettino Sismico Italiano INGV 99257581
Reviewed
Rev100
ML 1.2 2021-12-30
23:17:20
44.3197 10.6387 9 2021-12-30
23:23:13
Sala Sismica INGV-Roma 99173221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-30 23:17:21 ± 0.09
Latitude 44.3208 ± 0.0054
Longitude 10.6280 ± 0.0075
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99257581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 658
Semi-minor axis of confidence ellipse (meter) 570
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 310
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.60344
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 99257581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-03 12:01:24

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 99173221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-30 23:23:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.PLRO.HHZ. 2021-12-30T23:18:41.44 3.0 undecidable manual Sn 0.23 0
GU.RORO.HHZ. 2021-12-30T23:18:22.44 3.0 undecidable manual Sg 4.92 0
IV.BLLA.EHZ. 2021-12-30T23:18:03.44 3.0 undecidable manual S -0.75 0
IV.CSNT.HHZ. 2021-12-30T23:17:51.46 3.0 undecidable manual S -1.14 0
IV.SACS.HHZ. 2021-12-30T23:17:50.31 3.0 negative manual P -1.57 0
IV.PII.HHZ. 2021-12-30T23:17:41.98 0.6 undecidable manual S 187 66.9774 50 0.26 44
IV.CSNT.HHZ. 2021-12-30T23:17:39.98 3.0 negative manual P 0.76 0
IV.MPPT.EHZ. 2021-12-30T23:17:38.57 0.6 undecidable manual S 137 54.6009 50 0.15 46
GU.MAIM.HHZ. 2021-12-30T23:17:36.49 0.6 undecidable manual S 194 46.5201 50 0.23 46
IV.FNVD.HHZ. 2021-12-30T23:17:35.32 0.6 undecidable manual S 113 42.8238 50 0.04 48
IV.MNTV.EHZ. 2021-12-30T23:17:35.11 3.0 negative manual P -1.81 0
IV.PII.HHZ. 2021-12-30T23:17:32.84 0.6 undecidable manual P 187 66.9774 50 -0.12 45
GU.POPM.HHZ. 2021-12-30T23:17:32.44 0.6 undecidable manual S 161 32.2455 50 -0.02 49
IV.BDI.HHZ. 2021-12-30T23:17:31.37 0.6 undecidable manual S 185 28.749 108 -0.12 49
IV.MPPT.EHZ. 2021-12-30T23:17:30.84 0.1 undecidable manual P 137 54.6009 50 -0.21 91
GU.MAIM.HHZ. 2021-12-30T23:17:29.59 0.3 undecidable manual P 194 46.5201 50 -0.22 69
GU.SARM.EHZ. 2021-12-30T23:17:29.93 0.3 undecidable manual S 230 23.5542 112 0.13 73
IV.ERBM.EHZ. 2021-12-30T23:17:28.67 0.6 undecidable manual S 303 20.2686 115 -0.07 50
IV.FNVD.HHZ. 2021-12-30T23:17:28.90 0.3 undecidable manual P 113 42.8238 50 -0.35 68
GU.POPM.HHZ. 2021-12-30T23:17:27.49 0.1 positive manual P 161 32.2455 50 -0.12 96
IV.ZCCA.HNZ. 2021-12-30T23:17:27.68 0.3 undecidable manual P 83 27.8499 108 0.8 60
GU.SARM.EHZ. 2021-12-30T23:17:26.28 0.1 undecidable manual P 230 23.5542 112 0.2 96
IV.BDI.HHZ. 2021-12-30T23:17:26.97 0.1 positive manual P 185 28.749 108 -0.08 98
IV.ERBM.EHZ. 2021-12-30T23:17:25.70 0.1 undecidable manual P 303 20.2686 115 0.23 96
GU.GSCL.HHZ. 2021-12-30T23:17:24.22 0.6 undecidable manual S 316 4.5954 154 -0.38 48
GU.GSCL.HHZ. 2021-12-30T23:17:22.90 0.1 positive manual P 316 4.5954 154 -0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHE. ML:1.3 0.000345 0.34 AML other m 2021-12-30T23:17:24.32
GU.GSCL.HHN. ML:1.4 0.0004435 0.5 AML other m 2021-12-30T23:17:24.36
IV.BDI.HHN. ML:1.0 0.000043828699999999996 0.5632 AML other m 2021-12-30T23:17:32.19
GU.POPM.HHN. ML:1.1 0.000058825235 1.8048 AML other m 2021-12-30T23:17:32.55
IV.BDI.HHE. ML:1.1 0.000060450000000000006 0.8 AML other m 2021-12-30T23:17:33.11
GU.POPM.HHE. ML:1.4 0.00010059999999999999 0.16 AML other m 2021-12-30T23:17:34.87
IV.FNVD.HHN. ML:1.2 0.000046649999999999996 0.8 AML other m 2021-12-30T23:17:36.50
GU.MAIM.HHN. ML:0.5 0.000009939971 0.2688 AML other m 2021-12-30T23:17:36.63
IV.FNVD.HHE. ML:1.0 0.0000363 0.84 AML other m 2021-12-30T23:17:37.46
GU.MAIM.HHE. ML:0.5 0.000008392381000000001 0.256 AML other m 2021-12-30T23:17:37.74
IV.MPPT.EHE. ML:0.9 0.00002201673 0.2304 AML other m 2021-12-30T23:17:39.43
IV.MPPT.EHN. ML:0.9 0.00001796394 0.256 AML other m 2021-12-30T23:17:40.01
IV.PII.HHN. ML:1.5 0.000057300000000000004 0.18 AML other m 2021-12-30T23:17:45.43
IV.PII.HHE. ML:1.4 0.0000418 0.32 AML other m 2021-12-30T23:17:46.21
IV.CSNT.HHN. ML:1.5 0.000031109659999999995 3.2384 AML other m 2021-12-30T23:17:55.47
IV.CSNT.HHE. ML:1.2 0.000017096228500000002 0.1536 AML other m 2021-12-30T23:17:54.11
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