Earthquake with magnitude of ML 1.2 on date 22-12-2021 and time 11:46:21 (Italy) in region 10 km W Manfredonia (FG)

A magnitude ML 1.2 earthquake occured in region: 10 km W Manfredonia (FG), on

  • 22-12-2021 10:46:21 (UTC)
  • 22-12-2021 11:46:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.5960, 15.8130 at 11 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
Manfredonia FG 10 57279 57279
San Giovanni Rotondo FG 14 27184 84463
Monte Sant'Angelo FG 17 12657 97120
Zapponeta FG 20 3396 100516
San Marco in Lamis FG 20 13831 114347

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km W of Manfredonia (57279 inhabitants)
27 Km NE of Foggia (151991 inhabitants)
37 Km E of San Severo (53905 inhabitants)
37 Km N of Cerignola (58396 inhabitants)
49 Km NW of Barletta (94814 inhabitants)
57 Km NW of Andria (100440 inhabitants)
62 Km NW of Trani (56217 inhabitants)
70 Km NW of Bisceglie (55422 inhabitants)
79 Km NW of Molfetta (59874 inhabitants)
91 Km NW of Bitonto (55540 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 1.2 2021-12-22
10:46:21
41.5957 15.8128 11 2021-12-22
10:54:43
Sala Sismica INGV-Roma 98813911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-22 10:46:21 ± 0.16
Latitude 41.5957 ± 0.0072
Longitude 15.8128 ± 0.0048
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 98813911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 845
Semi-minor axis of confidence ellipse (meter) 176
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 356
Circular confidence region, given by single value of horizontal uncertainty (meter) 850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 227
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21314
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 98813911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-22 10:54:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.FUORN.HHZ. 2021-12-22T10:48:12.28 3.0 negative manual Pg 17.549999 0
IV.OSSC.HHZ. 2021-12-22T10:48:01.99 3.0 undecidable manual Sn -4.81 0
IV.PE3.EHZ. 2021-12-22T10:47:57.16 3.0 undecidable manual Sg 6.57 0
IV.MSRU.HHZ. 2021-12-22T10:47:56.21 3.0 undecidable manual Sg 1.01 0
IV.SARZ.HHZ. 2021-12-22T10:47:54.31 3.0 negative manual Pn 5.16 0
IV.GIZZ.HHZ. 2021-12-22T10:47:39.82 3.0 undecidable manual Sg 1.71 0
IV.IMOL.HNZ. 2021-12-22T10:47:34.81 3.0 negative manual Pg 12.35 0
IV.FIAM.HHZ. 2021-12-22T10:47:24.62 3.0 undecidable manual Sn 0.88 0
IV.APEC.HHZ. 2021-12-22T10:47:17.18 3.0 positive manual Pg 6.88 0
IV.RIBO.EHZ.01 2021-12-22T10:47:17.11 3.0 positive manual Pn -1.54 0
IV.RM33.EHZ. 2021-12-22T10:46:55.91 3.0 negative manual Pn -0.1 0
CR.STON.BHZ. 2021-12-22T10:46:52.12 3.0 undecidable manual Pn -1.19 0
IV.LPEL.HHZ. 2021-12-22T10:46:42.37 3.0 positive manual Pg -2.12 0
IT.LRNO.HNZ. 2021-12-22T10:46:31.00 3.0 undecidable manual P -3.14 0
OT.OT05.EHZ. 2021-12-22T10:46:28.82 0.3 undecidable manual S 292 18.7701 119 0.07 99
IV.SGRT.HHZ. 2021-12-22T10:46:28.51 0.3 undecidable manual S 342 18.5703 120 -0.16 97
IV.MSAG.HHZ. 2021-12-22T10:46:27.80 0.6 undecidable manual S 32 15.1737 125 0.11 66
OT.OT07.EHZ. 2021-12-22T10:46:26.12 0.6 undecidable manual S 290 8.2806 142 0.2 65
OT.OT04.EHZ. 2021-12-22T10:46:26.41 0.6 undecidable manual P 306 23.6541 50 0.01 66
OT.OT12.EHZ. 2021-12-22T10:46:25.88 0.3 undecidable manual S 63 8.88 140 -0.17 99
IV.SGRT.HHZ. 2021-12-22T10:46:25.56 0.3 undecidable manual P 342 18.5703 120 0.01 100
OT.OT05.EHZ. 2021-12-22T10:46:25.24 0.3 undecidable manual P 292 18.7701 119 -0.35 93
OT.OT03.EHZ. 2021-12-22T10:46:25.72 0.6 undecidable manual P 314 18.6702 119 0.15 65
IV.MSAG.HHZ. 2021-12-22T10:46:25.21 0.3 undecidable manual P 32 15.1737 125 0.23 96
OT.OT12.EHZ. 2021-12-22T10:46:24.01 0.6 undecidable manual P 63 8.88 140 -0.02 68
OT.OT07.EHZ. 2021-12-22T10:46:24.01 0.6 undecidable manual P 290 8.2806 142 0.06 67
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT12.EHN. ML:1.3 0.0002500825 0.2624 AML other m 2021-12-22T10:46:27.86
OT.OT12.EHE. ML:1.3 0.00024008970000000002 0.2624 AML other m 2021-12-22T10:46:28.08
IV.MSAG.HHN. ML:1.1 0.0001258005 0.2176 AML other m 2021-12-22T10:46:29.32
IV.MSAG.HHE. ML:0.7 0.000044737425 0.2816 AML other m 2021-12-22T10:46:29.26
IV.SGRT.HHN. ML:1.3 0.00015382225 0.256 AML other m 2021-12-22T10:46:29.74
IV.SGRT.HHE. ML:1.3 0.00014756775 0.1984 AML other m 2021-12-22T10:46:29.64
IV.MSAG.HNE. ML:1.1 0.00012037978 0.9792 AML other m 2021-12-22T10:46:36.50
IV.MSAG.HNN. ML:1.6 0.0003350049 0.2816 AML other m 2021-12-22T10:46:34.18
OT.OT05.EHE. ML:0.0 0.000002089666 0.3584 AML other m 2021-12-22T10:46:35.40
OT.OT05.EHN. ML:1.1 0.00010076441 0.2816 AML other m 2021-12-22T10:46:33.21
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