Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 26-09-2021 and time 10:05:35 (UTC) in region Costa Garganica (Foggia)

A magnitude ML 2.2 earthquake occured in region: Costa Garganica (Foggia), on

  • 26-09-2021 10:05:35 (UTC)
  • 26-09-2021 12:05:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.9860, 15.3860 at 4 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
Lesina FG 14 6410 6410
Isole Tremiti FG 18 469 6879
Poggio Imperiale FG 18 2724 9603

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of San Severo (53905 inhabitants)
60 Km NW of Manfredonia (57279 inhabitants)
60 Km N of Foggia (151991 inhabitants)
91 Km NW of Cerignola (58396 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 2021-09-26
10:05:35		 41.9863 15.3858 4 2022-03-30
13:04:08		 Bollettino Sismico Italiano INGV 96091381
Reviewed
Rev100 		ML 2.2 2021-09-26
10:05:35		 41.9852 15.3715 9 2021-09-26
10:13:47		 Sala Sismica INGV-Roma 95899891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-26 10:05:35 ± 0.12
Latitude 41.9863 ± 0.0054
Longitude 15.3858 ± 0.0060
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96091381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 620
Semi-minor axis of confidence ellipse (meter) 211
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 1
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 141
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.16458
Epicentral distance of station farthest from the epicenter (degree) 1.10527
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 95899891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-26 10:13:47

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 96091381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-17 18:31:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRVN.HHZ. 2021-09-26T10:06:13.20 0.6 undecidable manual S 146 122.6883 50 0.8 34
IV.SACR.HNN. 2021-09-26T10:06:03.10 0.6 undecidable manual S 221 86.247 50 0.44 41
IV.BSSO.HHE. 2021-09-26T10:06:02.20 0.6 undecidable manual S 234 81.7515 50 0.75 37
OT.OT13.EHZ. 2021-09-26T10:05:57.90 0.6 undecidable manual S 100 66.5778 50 0.5 42
IX.CLT3.EHN.02 2021-09-26T10:05:57.42 0.6 undecidable manual P 179 120.1908 50 0.93 32
IV.VULT.HHN. 2021-09-26T10:05:56.56 0.6 undecidable manual P 170 115.995 50 0.71 35
IV.MRVN.HHZ. 2021-09-26T10:05:56.96 0.6 undecidable manual P 146 122.6883 50 0.08 41
OT.OT12.EHZ. 2021-09-26T10:05:55.10 0.6 undecidable manual S 132 58.3971 50 -0.12 47
IV.SGG.HHN. 2021-09-26T10:05:54.51 0.6 undecidable manual P 232 106.7154 50 0.1 43
IV.CAFE.HHN. 2021-09-26T10:05:54.71 0.6 undecidable manual P 187 107.0151 50 0.25 41
IV.VITU.HHZ. 2021-09-26T10:05:54.21 0.6 undecidable manual P 215 108.9132 50 -0.55 38
IV.MSAG.HHZ. 2021-09-26T10:05:53.60 0.6 undecidable manual S 125 52.9026 50 -0.16 47
IV.MIDA.HHZ. 2021-09-26T10:05:52.28 0.3 undecidable manual P 248 101.0211 50 -1.26 42
OT.OT07.EHE. 2021-09-26T10:05:52.70 0.6 undecidable manual S 146 49.0176 50 -0.01 48
OT.OT14.EHZ. 2021-09-26T10:05:51.20 0.6 undecidable manual S 103 44.1225 96 0.12 48
IV.SACR.HNN. 2021-09-26T10:05:51.07 0.6 undecidable manual P 221 86.247 50 -0.19 43
IV.TST01.HHZ. 2021-09-26T10:05:50.94 0.6 undecidable manual P 253 86.6466 50 -0.38 42
IV.BSSO.HHE. 2021-09-26T10:05:50.86 0.6 undecidable manual P 234 81.7515 50 0.29 43
IV.SGRT.HHZ. 2021-09-26T10:05:49.40 0.6 undecidable manual S 131 39.1275 96 0.03 49
OT.OT05.EHZ. 2021-09-26T10:05:49.80 0.6 undecidable manual S 154 40.4262 96 -0.01 49
OT.OT06.EHE. 2021-09-26T10:05:49.10 0.6 undecidable manual S 153 37.5291 97 0.29 47
OT.OT03.EHE. 2021-09-26T10:05:48.50 0.6 undecidable manual S 144 37.4292 97 -0.26 47
IV.MOCO.HNE. 2021-09-26T10:05:48.57 0.3 undecidable manual P 196 70.8735 50 -0.33 65
OT.OT13.EHZ. 2021-09-26T10:05:48.07 0.6 undecidable manual P 100 66.5778 50 -0.15 46
OT.OT04.EHE. 2021-09-26T10:05:47.70 0.6 undecidable manual S 151 33.6441 97 0.22 48
OT.OT12.EHZ. 2021-09-26T10:05:46.77 0.6 undecidable manual P 132 58.3971 50 -0.2 46
IV.APRC.HHZ. 2021-09-26T10:05:46.20 0.6 undecidable manual S 153 28.5492 99 0.5 45
IV.MSAG.HHZ. 2021-09-26T10:05:45.64 0.6 undecidable manual P 125 52.9026 50 -0.48 44
OT.OT16.EHZ. 2021-09-26T10:05:44.90 0.6 undecidable manual S 227 24.4533 100 0.57 44
OT.OT07.EHE. 2021-09-26T10:05:44.85 0.6 undecidable manual P 146 49.0176 50 -0.67 41
OT.OT14.EHZ. 2021-09-26T10:05:44.21 0.3 undecidable manual P 103 44.1225 96 -0.37 68
OT.OT05.EHZ. 2021-09-26T10:05:43.37 0.3 undecidable manual P 154 40.4262 96 -0.47 67
OT.OT03.EHE. 2021-09-26T10:05:43.05 0.3 undecidable manual P 144 37.4292 97 -0.19 72
OT.OT06.EHE. 2021-09-26T10:05:43.08 0.3 undecidable manual P 153 37.5291 97 -0.19 72
IV.SGRT.HHZ. 2021-09-26T10:05:43.29 0.3 undecidable manual P 131 39.1275 96 -0.3 70
IV.TREM.HHZ. 2021-09-26T10:05:43.00 0.6 undecidable manual S 34 18.2706 103 0.78 41
OT.OT04.EHE. 2021-09-26T10:05:42.49 0.3 undecidable manual P 151 33.6441 97 -0.01 75
IV.APRC.HHZ. 2021-09-26T10:05:41.68 0.3 undecidable manual P 153 28.5492 99 0.21 72
OT.OT16.EHZ. 2021-09-26T10:05:40.61 0.1 positive manual P 227 24.4533 100 -0.07 100
IV.TREM.HHZ. 2021-09-26T10:05:39.73 0.3 undecidable manual P 34 18.2706 103 0.27 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TREM.HNN. ML:2.5 0.003181972 0.4224 AML other m 2021-09-26T10:05:43.62
IV.TREM.HHE. ML:2.3 0.0018599999999999999 0.68 AML other m 2021-09-26T10:05:43.89
IV.TREM.HNE. ML:2.4 0.002255 0.66 AML other m 2021-09-26T10:05:43.89
IV.TREM.HHN. ML:2.5 0.00262 0.52 AML other m 2021-09-26T10:05:43.60
OT.OT16.EHE. ML:2.5 0.00203 0.5 AML other m 2021-09-26T10:05:45.37
IV.APRC.HNN. ML:2.2 0.0009946039499999998 1.0304 AML other m 2021-09-26T10:05:46.72
IV.APRC.HHN. ML:2.3 0.0011331120000000001 0.3584 AML other m 2021-09-26T10:05:46.90
IV.APRC.HHE. ML:2.4 0.0012105 0.22 AML other m 2021-09-26T10:05:48.53
IV.APRC.HNE. ML:2.3 0.0010902251 0.2304 AML other m 2021-09-26T10:05:48.53
IV.SGRT.HHN. ML:2.0 0.00039650000000000004 0.12 AML other m 2021-09-26T10:05:50.71
OT.OT05.EHN. ML:2.1 0.0004844872 0.1792 AML other m 2021-09-26T10:05:51.11
OT.OT05.EHE. ML:0.8 0.0000246 0.2 AML other m 2021-09-26T10:05:51.29
IV.SGRT.HHE. ML:2.1 0.0005195000000000001 0.14 AML other m 2021-09-26T10:05:54.55
IV.MSAG.HHE. ML:1.8 0.0001415 0.12 AML other m 2021-09-26T10:05:56.85
IV.MSAG.HNE. ML:2.1 0.00034 0.14 AML other m 2021-09-26T10:05:56.79
OT.OT12.EHE. ML:1.7 0.00011930356999999999 0.1152 AML other m 2021-09-26T10:05:57.55
IV.MSAG.HHN. ML:2.0 0.00024020750000000002 0.1216 AML other m 2021-09-26T10:05:58.09
IV.MSAG.HNN. ML:2.4 0.0005600366 0.1408 AML other m 2021-09-26T10:05:58.16
OT.OT12.EHN. ML:2.0 0.0002245 0.36 AML other m 2021-09-26T10:05:59.38
OT.OT13.EHE. ML:2.4 0.000498 0.24 AML other m 2021-09-26T10:06:00.31
OT.OT13.EHN. ML:2.5 0.0005874999999999999 0.86 AML other m 2021-09-26T10:06:00.31
IV.MOCO.HHN. ML:1.4 0.00004295 0.54 AML other m 2021-09-26T10:06:03.02
IV.MOCO.HHE. ML:1.5 0.00005505 0.22 AML other m 2021-09-26T10:06:05.15
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