Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 03-10-2023 and time 11:01:56 (UTC) in region 4 km NE Poggio Imperiale (FG)

A magnitude ML 2.1 earthquake occured in region: 4 km NE Poggio Imperiale (FG), on

  • 03-10-2023 11:01:56 (UTC)
  • 03-10-2023 13:01:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8450, 15.4050 at 10 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.

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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
Poggio Imperiale FG 4 2724 2724
Lesina FG 5 6410 9134
Apricena FG 7 13328 22462
San Nicandro Garganico FG 13 15566 38028
San Paolo di Civitate FG 17 5818 43846
San Severo FG 18 53905 97751
Torremaggiore FG 20 17311 115062
Chieuti FG 20 1698 116760

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km N of San Severo (53905 inhabitants)
44 Km N of Foggia (151991 inhabitants)
49 Km NW of Manfredonia (57279 inhabitants)
77 Km NW of Cerignola (58396 inhabitants)
93 Km NW of Barletta (94814 inhabitants)
95 Km NE of Benevento (60091 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 2.1 2023-10-03
11:01:56		 41.8448 15.4047 10 2023-10-03
11:38:24		 Sala Sismica INGV-Roma 121709791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-03 11:01:56 ± 0.07
Latitude 41.8448 ± 0.0045
Longitude 15.4047 ± 0.0036
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121709791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 484
Semi-minor axis of confidence ellipse (meter) 141
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 188
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67449
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 16
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 121709791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-03 11:38:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CROCE.HHZ. 2023-10-03T11:03:26.06 3.0 undecidable manual Pg 13.83 0
OX.ACOM.HHZ. 2023-10-03T11:03:23.14 3.0 undecidable manual Pg 12.95 0
IV.MAGA.HHZ. 2023-10-03T11:03:16.25 3.0 undecidable manual Pn 1.47 0
IV.FNVD.HHZ. 2023-10-03T11:03:11.50 3.0 undecidable manual Pg 14.98 0
IV.CET2.HHZ. 2023-10-03T11:03:11.28 3.0 undecidable manual Sg 5.56 0
OT.CGL1.HHZ. 2023-10-03T11:02:59.09 3.0 undecidable manual Sn 1.89 0
IV.RIBO.EHZ.01 2023-10-03T11:02:54.01 3.0 negative manual Pn 4.31 0
IV.NOCI.HHZ. 2023-10-03T11:02:49.90 3.0 undecidable manual Sg 1.41 0
IV.AMUR.HHZ. 2023-10-03T11:02:39.00 3.0 undecidable manual S -1.27 0
IV.MMO1.EHZ. 2023-10-03T11:02:29.31 3.0 undecidable manual Pn 0.8 0
IV.AMUR.HHZ. 2023-10-03T11:02:21.04 3.0 negative manual P 0.1 0
IV.ACER.HHZ. 2023-10-03T11:02:18.23 3.0 positive manual P -0.32 0
IV.INTR.HHZ. 2023-10-03T11:02:17.36 3.0 positive manual P -1.01 0
IV.VULT.HHZ. 2023-10-03T11:02:15.12 3.0 positive manual P 0.61 0
IV.SNAL.HHZ. 2023-10-03T11:02:14.08 3.0 positive manual P -0.85 0
IV.MSAG.HHZ. 2023-10-03T11:02:11.49 1.0 undecidable manual S 109 44.3223 50 0.81 19
OT.OT12.EHZ. 2023-10-03T11:02:11.79 1.0 undecidable manual S 119 47.9187 50 0.15 23
OT.OT14.EHZ. 2023-10-03T11:02:10.20 1.0 undecidable manual S 82 41.9247 50 0.17 23
IV.BSSO.HHZ. 2023-10-03T11:02:09.20 1.0 undecidable manual P 244 74.8695 50 -0.05 22
IV.TREM.HHZ. 2023-10-03T11:02:07.65 1.0 undecidable manual S 16 32.0457 50 0.24 23
IV.SGRT.HHZ. 2023-10-03T11:02:06.63 0.3 undecidable manual S 110 29.748 50 -0.17 71
IV.MOCO.HHZ. 2023-10-03T11:02:06.76 0.1 undecidable manual P 201 56.499 50 0.35 88
IV.MELA.HHZ. 2023-10-03T11:02:06.19 0.6 undecidable manual S 236 27.6501 50 -0.04 49
IV.GATE.HHZ. 2023-10-03T11:02:05.44 1.0 undecidable manual P 228 55.1004 50 -0.75 19
OT.OT12.EHZ. 2023-10-03T11:02:05.47 1.0 undecidable manual P 119 47.9187 50 0.38 22
OT.OT06.EHZ. 2023-10-03T11:02:05.23 1.0 undecidable manual S 138 23.6541 113 0.19 24
OT.OT03.EHZ. 2023-10-03T11:02:05.54 0.6 undecidable manual S 126 25.0527 112 0.04 49
IV.MSAG.HHZ. 2023-10-03T11:02:04.49 0.6 undecidable manual P 109 44.3223 50 -0.05 48
IV.CIGN.HHZ. 2023-10-03T11:02:04.93 0.6 positive manual P 243 46.4202 50 0.06 47
OT.OT14.EHZ. 2023-10-03T11:02:04.21 1.0 undecidable manual P 82 41.9247 50 0.05 24
OT.OT04.EHZ. 2023-10-03T11:02:03.87 1.0 undecidable manual S 134 20.1687 116 -0.07 25
OT.OT16.EHZ. 2023-10-03T11:02:03.92 0.6 undecidable manual S 267 19.3695 117 0.21 48
OT.OT17.EHZ. 2023-10-03T11:02:03.34 0.6 undecidable manual S 189 17.6712 119 0.16 49
IV.SGRT.HHZ. 2023-10-03T11:02:02.17 0.1 negative manual P 110 29.748 50 -0.12 96
IV.TREM.HHZ. 2023-10-03T11:02:02.61 0.6 positive manual P 16 32.0457 50 -0.04 49
IV.MELA.HHZ. 2023-10-03T11:02:01.82 0.1 positive manual P 236 27.6501 50 -0.15 96
OT.OT06.EHZ. 2023-10-03T11:02:01.17 0.1 undecidable manual P 138 23.6541 113 -0.11 98
OT.OT05.EHZ. 2023-10-03T11:02:01.58 0.6 undecidable manual P 141 26.3514 50 -0.19 48
OT.OT03.EHZ. 2023-10-03T11:02:01.52 0.1 undecidable manual P 126 25.0527 112 -0.03 99
OT.OT04.EHZ. 2023-10-03T11:02:00.70 1.0 undecidable manual P 134 20.1687 116 0.05 25
OT.OT16.EHZ. 2023-10-03T11:02:00.49 0.1 undecidable manual P 267 19.3695 117 -0.02 100
OT.OT17.EHZ. 2023-10-03T11:01:59.86 1.0 undecidable manual P 189 17.6712 119 -0.35 23
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MELA.HNE. ML:1.9 0.00044100000000000004 0.2 AML other m 2023-10-03T11:02:06.55
IV.MELA.HHE. ML:2.0 0.00047999999999999996 0.2 AML other m 2023-10-03T11:02:06.55
IV.MELA.HHN. ML:2.3 0.0010550000000000002 0.24 AML other m 2023-10-03T11:02:06.53
IV.MELA.HNN. ML:2.3 0.001015 0.24 AML other m 2023-10-03T11:02:06.53
IV.SGRT.HHE. ML:2.0 0.00047099999999999996 0.2 AML other m 2023-10-03T11:02:07.02
IV.SGRT.HHN. ML:2.0 0.0004985 0.2 AML other m 2023-10-03T11:02:07.18
IV.TREM.HHE. ML:2.0 0.0004 0.5 AML other m 2023-10-03T11:02:08.17
IV.TREM.HHN. ML:1.8 0.00030400000000000007 0.6 AML other m 2023-10-03T11:02:08.48
IV.MSAG.HHE. ML:1.8 0.0001875 0.46 AML other m 2023-10-03T11:02:12.40
IV.MSAG.HNE. ML:2.3 0.0006065 0.58 AML other m 2023-10-03T11:02:12.49
OT.OT14.EHE. ML:1.8 0.0002301 1.02 AML other m 2023-10-03T11:02:12.58
IV.MSAG.HHN. ML:2.2 0.000518 0.22 AML other m 2023-10-03T11:02:12.80
IV.MSAG.HNN. ML:2.6 0.00135 1.46 AML other m 2023-10-03T11:02:13.15
OT.OT14.EHN. ML:1.9 0.00023750000000000003 0.38 AML other m 2023-10-03T11:02:14.33
IV.VULT.HHE. ML:2.0 0.0000942 1.38 AML other m 2023-10-03T11:02:30.83
IV.INTR.HHE. ML:1.8 0.00004555 0.64 AML other m 2023-10-03T11:02:34.89
IV.VULT.HHN. ML:2.2 0.00014250000000000002 0.26 AML other m 2023-10-03T11:02:35.34
IV.INTR.HHN. ML:2.1 0.00007960000000000001 1.18 AML other m 2023-10-03T11:02:36.30
IV.ACER.HHN. ML:2.1 0.00008879999999999999 0.98 AML other m 2023-10-03T11:02:40.67
IV.AMUR.HHE. ML:2.1 0.00006884999999999999 0.54 AML other m 2023-10-03T11:02:40.33
IV.ACER.HHE. ML:2.1 0.0000872 0.66 AML other m 2023-10-03T11:02:40.17
IV.AMUR.HHN. ML:2.2 0.00008774999999999999 1.28 AML other m 2023-10-03T11:02:41.00
IV.NOCI.HHN. ML:2.4 0.0000825 1.34 AML other m 2023-10-03T11:02:52.10
IV.NOCI.HHE. ML:2.3 0.00007195 1.4 AML other m 2023-10-03T11:02:52.83
OT.CGL1.HHE. ML:2.0 0.0000265 1.58 AML other m 2023-10-03T11:03:03.15
OT.CGL1.HHN. ML:2.2 0.0000415 0.26 AML other m 2023-10-03T11:03:03.16
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