Earthquake with magnitude of ML 1.9 on date 23-02-2021 and time 20:23:10 (Italy) in region 2 km E Poggio Imperiale (FG)

A magnitude ML 1.9 earthquake occured in region: 2 km E Poggio Imperiale (FG), on

  • 23-02-2021 19:23:10 (UTC)
  • 23-02-2021 20:23:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.8160, 15.3950 at 18 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
Poggio Imperiale FG 3 2724 2724
Apricena FG 5 13328 16052
Lesina FG 6 6410 22462
San Paolo di Civitate FG 14 5818 28280
San Nicandro Garganico FG 14 15566 43846
San Severo FG 14 53905 97751
Torremaggiore FG 16 17311 115062
Chieuti FG 19 1698 116760
Serracapriola FG 19 3931 120691

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km N of San Severo (53905 inhabitants)
41 Km NW of Foggia (151991 inhabitants)
48 Km W of Manfredonia (57279 inhabitants)
74 Km NW of Cerignola (58396 inhabitants)
92 Km NE of Benevento (60091 inhabitants)
92 Km NW of Barletta (94814 inhabitants)
100 Km NW of Andria (100440 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 1.9 2021-02-23
19:23:10
41.8158 15.3948 19 2021-07-12
16:55:00
Bollettino Sismico Italiano INGV 87601141
Reviewed
Rev100
ML 2.0 2021-02-23
19:23:10
41.8218 15.3817 19 2021-02-23
19:33:43
Sala Sismica INGV-Roma 87415651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-23 19:23:10 ± 0.12
Latitude 41.8158 ± 0.0063
Longitude 15.3948 ± 0.0048
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87601141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 718
Semi-minor axis of confidence ellipse (meter) 109
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 5
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 33
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58816
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 87601141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-19 18:00:16

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 20
Type of magnitude ML
Reference to an origin 87415651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-23 19:33:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNTV.EHZ. 2021-02-23T19:25:19.90 3.0 undecidable manual Sn -3.43 0
IV.NDIM.HHZ. 2021-02-23T19:25:14.12 3.0 undecidable manual Sn -3.46 0
SL.BOJS.BHZ. 2021-02-23T19:24:57.47 3.0 undecidable manual Sn -0.51 0
IV.ILOS.HHZ. 2021-02-23T19:24:52.94 3.0 undecidable manual Sg 5.5 0
CH.BERNI.HHZ. 2021-02-23T19:24:47.27 3.0 positive manual Pn 3.56 0
ST.RONC.EHZ. 2021-02-23T19:24:47.81 3.0 undecidable manual Pg 12.35 0
IV.SARZ.HHZ. 2021-02-23T19:24:38.83 3.0 undecidable manual Pn 0.43 0
NI.PALA.HHZ. 2021-02-23T19:24:35.01 3.0 undecidable manual Pg 8.22 0
IV.TOLF.HHZ. 2021-02-23T19:24:27.93 3.0 undecidable manual Sn -1.34 0
IV.MPPT.EHZ. 2021-02-23T19:24:23.97 3.0 undecidable manual Pg 10.4 0
AC.VLO.HHZ. 2021-02-23T19:24:14.85 3.0 undecidable manual Pg 8.79 0
IV.MF5.EHZ. 2021-02-23T19:24:09.14 3.0 undecidable manual Sn -3.84 0
IV.CRTC.HHZ. 2021-02-23T19:24:04.24 3.0 undecidable manual Pg 6.11 0
IV.INTR.HHZ. 2021-02-23T19:23:31.33 3.0 negative manual P -5.03 0
OT.OT13.EHN. 2021-02-23T19:23:31.11 0.6 undecidable manual S 83 65.2902 98 0.51 43
IV.MRVN.HHZ. 2021-02-23T19:23:29.13 3.0 negative manual P -2.47 0
OT.OT12.EHZ. 2021-02-23T19:23:25.71 0.3 undecidable manual S 116 47.1195 102 -0.13 73
IV.MSAG.HHZ. 2021-02-23T19:23:25.76 0.3 undecidable manual S 105 44.1225 103 0.7 62
OT.OT14.EHZ. 2021-02-23T19:23:25.44 0.3 undecidable manual S 78 43.2234 103 0.61 64
IT.GLNS.HNE. 2021-02-23T19:23:24.84 0.3 undecidable manual S 285 40.8258 104 0.65 64
IV.CIGN.HHZ. 2021-02-23T19:23:24.66 0.6 undecidable manual S 246 44.3223 103 -0.46 45
OT.OT11.EHN. 2021-02-23T19:23:23.00 0.6 undecidable manual S 188 33.744 108 0.6 45
OT.OT07.EHE. 2021-02-23T19:23:22.36 0.6 undecidable manual S 129 34.4433 108 -0.21 49
OT.OT13.EHN. 2021-02-23T19:23:22.27 0.6 undecidable manual P 83 65.2902 98 0.13 47
IV.TREM.HHE. 2021-02-23T19:23:22.56 0.6 undecidable manual S 16 35.3424 107 -0.24 50
IV.SGRT.HHZ. 2021-02-23T19:23:21.26 0.3 undecidable manual S 103 29.6481 112 -0.1 76
IV.MOCO.HNE. 2021-02-23T19:23:20.71 0.3 undecidable manual P 202 53.2023 100 0.39 69
IV.MELA.HHZ. 2021-02-23T19:23:20.72 0.3 undecidable manual S 241 25.2525 116 0.42 72
OT.OT03.EHZ. 2021-02-23T19:23:20.05 0.3 undecidable manual S 119 24.0537 118 0.05 77
IV.MSAG.HHZ. 2021-02-23T19:23:19.04 0.3 undecidable manual P 105 44.1225 103 0.09 74
OT.OT05.EHZ. 2021-02-23T19:23:19.60 0.3 undecidable manual S 135 24.4533 117 -0.5 70
OT.OT12.EHZ. 2021-02-23T19:23:19.55 0.6 undecidable manual P 116 47.1195 102 0.15 49
OT.OT06.EHZ. 2021-02-23T19:23:19.67 0.3 undecidable manual S 131 21.9669 121 0.16 76
IV.CIGN.HHZ. 2021-02-23T19:23:19.00 0.1 undecidable manual P 246 44.3223 103 0.02 100
OT.OT04.EHZ. 2021-02-23T19:23:18.77 0.3 undecidable manual S 125 18.7701 126 -0.03 78
OT.OT14.EHZ. 2021-02-23T19:23:18.80 0.3 undecidable manual P 78 43.2234 103 -0.02 75
IT.GLNS.HNE. 2021-02-23T19:23:18.08 0.3 undecidable manual P 285 40.8258 104 -0.37 70
IV.APRC.HHZ. 2021-02-23T19:23:18.15 0.3 undecidable manual S 118 13.875 137 0.32 74
OT.OT07.EHE. 2021-02-23T19:23:17.26 0.1 undecidable manual P 129 34.4433 108 -0.25 97
OT.OT11.EHN. 2021-02-23T19:23:17.65 0.6 undecidable manual P 188 33.744 108 0.24 49
IV.TREM.HHE. 2021-02-23T19:23:16.74 0.6 undecidable manual P 16 35.3424 107 -0.9 40
OT.OT03.EHZ. 2021-02-23T19:23:16.01 0.3 undecidable manual P 119 24.0537 118 -0.02 78
IV.SGRT.HHZ. 2021-02-23T19:23:16.73 0.3 undecidable manual P 103 29.6481 112 -0.08 76
OT.OT06.EHZ. 2021-02-23T19:23:15.76 0.3 undecidable manual P 131 21.9669 121 0.01 78
IV.MELA.HHZ. 2021-02-23T19:23:15.98 0.1 positive manual P 241 25.2525 116 -0.22 99
OT.OT04.EHZ. 2021-02-23T19:23:15.05 0.1 undecidable manual P 125 18.7701 126 -0.28 99
OT.OT05.EHZ. 2021-02-23T19:23:15.36 0.1 undecidable manual P 135 24.4533 117 -0.72 85
IV.APRC.HHZ. 2021-02-23T19:23:14.76 0.3 undecidable manual P 118 13.875 137 -0.01 79
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APRC.HHE. ML:2.0 0.0007987537 0.128 AML other m 2021-02-23T19:23:18.92
IV.APRC.HNE. ML:2.0 0.0007204606 0.1408 AML other m 2021-02-23T19:23:18.92
IV.APRC.HHN. ML:2.2 0.0011431360000000001 1.8464 AML other m 2021-02-23T19:23:19.92
OT.OT05.EHN. ML:1.7 0.000264 1.26 AML other m 2021-02-23T19:23:20.31
IV.MELA.HNE. ML:2.6 0.001975 0.22 AML other m 2021-02-23T19:23:20.87
IV.MELA.HHE. ML:2.6 0.002085 0.22 AML other m 2021-02-23T19:23:20.87
IV.MELA.HHN. ML:2.4 0.0012999999999999997 0.2 AML other m 2021-02-23T19:23:20.99
IV.MELA.HNN. ML:2.4 0.0012749999999999999 0.2 AML other m 2021-02-23T19:23:20.99
OT.OT05.EHE. ML:1.9 0.00038767255 0.2176 AML other m 2021-02-23T19:23:22.19
IV.SGRT.HHN. ML:1.5 0.0001305 0.96 AML other m 2021-02-23T19:23:23.27
IV.SGRT.HHE. ML:1.6 0.00014983805 0.3968 AML other m 2021-02-23T19:23:23.55
IV.MSAG.HHE. ML:1.5 0.00009315 0.66 AML other m 2021-02-23T19:23:27.97
IV.MSAG.HNE. ML:1.9 0.0002175 0.66 AML other m 2021-02-23T19:23:27.97
OT.OT12.EHN. ML:1.6 0.00011 1.3 AML other m 2021-02-23T19:23:28.24
IV.MSAG.HNN. ML:2.2 0.00048499999999999997 0.14 AML other m 2021-02-23T19:23:28.33
IV.MSAG.HHN. ML:1.9 0.0002125 0.14 AML other m 2021-02-23T19:23:28.26
OT.OT12.EHE. ML:1.6 0.00009585 0.32 AML other m 2021-02-23T19:23:28.44
IV.MRVN.HHN. ML:1.8 0.00005985 0.56 AML other m 2021-02-23T19:23:46.40
IV.MRVN.HHE. ML:1.8 0.000048799999999999994 1.02 AML other m 2021-02-23T19:23:46.34
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