Earthquake with magnitude of ML 1.4 on date 24-02-2021 and time 21:49:09 (UTC) in region 8 km E San Nicandro Garganico (FG)

A magnitude ML 1.4 earthquake occured in region: 8 km E San Nicandro Garganico (FG), on

  • 24-02-2021 21:49:09 (UTC)
  • 24-02-2021 22:49:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.8290, 15.6630 at 29 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
San Nicandro Garganico FG 9 15566 15566
Cagnano Varano FG 9 7330 22896
San Marco in Lamis FG 13 13831 36727
San Giovanni Rotondo FG 14 27184 63911
Carpino FG 16 4182 68093
Rignano Garganico FG 18 2117 70210
Apricena FG 19 13328 83538

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NE of San Severo (53905 inhabitants)
31 Km NW of Manfredonia (57279 inhabitants)
42 Km N of Foggia (151991 inhabitants)
66 Km NW of Cerignola (58396 inhabitants)
76 Km NW of Barletta (94814 inhabitants)
85 Km NW of Andria (100440 inhabitants)
88 Km NW of Trani (56217 inhabitants)
96 Km NW of Bisceglie (55422 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 1.4 2021-02-24
21:49:09
41.8292 15.6633 29 2021-07-12
16:55:17
Bollettino Sismico Italiano INGV 92262321
Reviewed
Rev100
ML 1.4 2021-02-24
21:49:09
41.8083 15.6668 32 2021-02-24
21:57:24
Sala Sismica INGV-Roma 87459291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-24 21:49:09 ± 0.2
Latitude 41.8292 ± 0.0081
Longitude 15.6633 ± 0.0084
Depth (km) 29 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 92262321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 766
Semi-minor axis of confidence ellipse (meter) 659
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 329
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.09533
Epicentral distance of station farthest from the epicenter (degree) 0.41818
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 87459291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-24 21:57:24

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 92262321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-05 10:40:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MELA.HHZ. 2021-02-24T21:49:25.96 0.3 undecidable manual S 253 46.4202 117 0.26 67
OT.OT13.EHN. 2021-02-24T21:49:24.31 0.6 undecidable manual S 82 43.0236 119 -0.58 41
IV.TREM.HHN. 2021-02-24T21:49:22.65 0.6 undecidable manual S 339 34.9428 125 -0.42 44
OT.OT12.EHZ. 2021-02-24T21:49:21.83 0.3 undecidable manual S 137 29.8479 130 -0.14 71
IV.MSAG.HNE. 2021-02-24T21:49:21.23 0.6 undecidable manual S 122 24.1536 137 0.35 46
OT.OT07.EHE. 2021-02-24T21:49:20.65 0.6 undecidable manual S 169 23.5542 137 -0.11 49
OT.OT14.EHZ. 2021-02-24T21:49:20.36 0.3 undecidable manual S 69 21.4674 140 -0.04 73
IV.SGRT.HHZ. 2021-02-24T21:49:19.12 0.3 undecidable manual S 141 10.5783 158 0.22 73
OT.OT06.EHZ. 2021-02-24T21:49:19.77 0.6 undecidable manual S 200 16.9719 147 0.1 49
OT.OT05.EHZ. 2021-02-24T21:49:19.46 0.3 undecidable manual S 195 19.4694 143 -0.61 65
OT.OT03.EHE. 2021-02-24T21:49:19.30 0.6 undecidable manual S 185 12.9759 154 0.14 49
OT.OT13.EHN. 2021-02-24T21:49:19.07 0.3 undecidable manual P 82 43.0236 119 0.62 63
IV.APRC.HHZ. 2021-02-24T21:49:19.16 0.3 undecidable manual S 231 12.7761 154 0.03 75
OT.OT04.EHE. 2021-02-24T21:49:19.30 0.6 undecidable manual S 209 13.9749 152 0.02 50
IV.MELA.HHZ. 2021-02-24T21:49:18.76 0.3 undecidable manual P 253 46.4202 117 -0.15 70
IV.TREM.HHN. 2021-02-24T21:49:17.33 0.3 undecidable manual P 339 34.9428 125 -0.06 72
OT.OT12.EHZ. 2021-02-24T21:49:16.56 0.3 undecidable manual P 137 29.8479 130 -0.2 71
IV.MSAG.HNE. 2021-02-24T21:49:16.30 0.1 undecidable manual P 122 24.1536 137 0.17 96
OT.OT07.EHE. 2021-02-24T21:49:16.07 0.1 undecidable manual P 169 23.5542 137 0.01 99
OT.OT05.EHZ. 2021-02-24T21:49:15.03 0.1 undecidable manual P 195 19.4694 143 -0.63 86
OT.OT03.EHE. 2021-02-24T21:49:15.31 0.1 undecidable manual P 185 12.9759 154 0.17 98
IV.APRC.HHZ. 2021-02-24T21:49:15.17 0.1 undecidable manual P 231 12.7761 154 0.05 100
OT.OT04.EHE. 2021-02-24T21:49:15.28 0.1 undecidable manual P 209 13.9749 152 0.08 99
IV.SGRT.HHZ. 2021-02-24T21:49:15.19 0.1 undecidable manual P 141 10.5783 158 0.2 98
OT.OT06.EHZ. 2021-02-24T21:49:15.52 0.1 undecidable manual P 200 16.9719 147 0.09 98
OT.OT14.EHZ. 2021-02-24T21:49:15.94 0.1 undecidable manual P 69 21.4674 140 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APRC.HHN. ML:1.5 0.0001495 0.64 AML other m 2021-02-24T21:49:19.44
OT.OT05.EHE. ML:1.4 0.0001135 0.08 AML other m 2021-02-24T21:49:20.06
IV.APRC.HHE. ML:1.3 0.00008790000000000001 1.02 AML other m 2021-02-24T21:49:20.80
OT.OT05.EHN. ML:1.2 0.00006665000000000001 0.48 AML other m 2021-02-24T21:49:20.37
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