Earthquake with magnitude of ML 1.2 on date 23-02-2020 and time 18:21:09 (UTC) in region 5 km E San Nicandro Garganico (FG)

A magnitude ML 1.2 earthquake occured in region: 5 km E San Nicandro Garganico (FG), on

  • 23-02-2020 18:21:09 (UTC)
  • 23-02-2020 19:21:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.85, 15.62 at 24 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 5 15566 15566
Cagnano Varano FG 13 7330 22896
San Marco in Lamis FG 15 13831 36727
Apricena FG 16 13328 50055
San Giovanni Rotondo FG 18 27184 77239
Rignano Garganico FG 19 2117 79356
Carpino FG 20 4182 83538

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NE of San Severo (53905 inhabitants)
35 Km NW of Manfredonia (57279 inhabitants)
43 Km N of Foggia (151991 inhabitants)
69 Km NW of Cerignola (58396 inhabitants)
80 Km NW of Barletta (94814 inhabitants)
89 Km NW of Andria (100440 inhabitants)
92 Km NW of Trani (56217 inhabitants)
99 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 1.2 2020-02-23
18:21:09
41.85 15.62 24 2020-07-18
21:08:39
Bollettino Sismico Italiano INGV 79941221
Reviewed
Rev100
ML 1.2 2020-02-23
18:21:09
41.83 15.64 26 2020-02-23
18:29:06
Sala Sismica INGV-Roma 76760201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-23 18:21:09 ± 0.2
Latitude 41.85 ± 0.02
Longitude 15.62 ± 0.01
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79941221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1772
Semi-minor axis of confidence ellipse (meter) 447
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 206
Circular confidence region, given by single value of horizontal uncertainty (meter) 1770
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 233
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.10612
Epicentral distance of station farthest from the epicenter (degree) 0.3939
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 7
Type of magnitude ML
Reference to an origin 79941221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-06 02:31:20

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 7
Type of magnitude ML
Reference to an origin 76760201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-23 18:29:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MELA.HHZ. 2020-02-23T18:21:25.21 0.6 undecidable manual S 249 0.3939 112 0.95 36
OT.OT12.EHZ. 2020-02-23T18:21:22.00 0.3 undecidable manual S 135 0.3031 119 0.17 72
IV.MSAG.HNE. 2020-02-23T18:21:20.76 0.3 undecidable manual S 122 0.2536 124 0.17 73
OT.OT03.EHZ. 2020-02-23T18:21:18.18 0.3 undecidable manual S 171 0.1358 144 0.12 75
IV.MELA.HHZ. 2020-02-23T18:21:18.05 0.1 undecidable manual P 249 0.3939 112 0.05 96
OT.OT05.EHZ. 2020-02-23T18:21:18.65 0.3 undecidable manual S 184 0.188 134 -0.42 69
OT.OT06.EHZ. 2020-02-23T18:21:18.86 0.3 undecidable manual S 187 0.1619 139 0.32 72
IV.APRC.HHZ. 2020-02-23T18:21:17.72 0.3 undecidable manual S 213 0.1061 151 0.14 76
IV.SGRT.HHZ. 2020-02-23T18:21:17.90 0.3 undecidable manual S 135 0.1295 145 -0.05 75
OT.OT04.EHZ. 2020-02-23T18:21:17.97 0.3 undecidable manual S 193 0.1304 145 0.01 76
OT.OT12.EHZ. 2020-02-23T18:21:16.89 0.6 undecidable manual P 135 0.3031 119 0.3 47
IV.MSAG.HNE. 2020-02-23T18:21:15.77 0.1 undecidable manual P 122 0.2536 124 -0.1 98
OT.OT04.EHZ. 2020-02-23T18:21:14.26 0.1 undecidable manual P 193 0.1304 145 -0.1 100
IV.APRC.HHZ. 2020-02-23T18:21:14.01 0.1 undecidable manual P 213 0.1061 151 -0.13 100
OT.OT03.EHZ. 2020-02-23T18:21:14.43 0.3 undecidable manual P 171 0.1358 144 0.01 77
OT.OT05.EHZ. 2020-02-23T18:21:14.22 0.3 undecidable manual P 184 0.188 134 -0.78 61
OT.OT06.EHZ. 2020-02-23T18:21:14.73 0.3 undecidable manual P 187 0.1619 139 0.03 76
IV.SGRT.HHZ. 2020-02-23T18:21:14.25 0.1 positive manual P 135 0.1295 145 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SGRT.HHN. ML:1.1 7.3503755E-5 0.1664 AML other m 2020-02-23T18:21:18.05
IV.SGRT.HHE. ML:1.3 0.000112846695 0.1792 AML other m 2020-02-23T18:21:18.17
IV.APRC.HNE. ML:1.2 8.5612325E-5 0.1024 AML other m 2020-02-23T18:21:18.40
IV.APRC.HHE. ML:1.1 7.769453E-5 0.0896 AML other m 2020-02-23T18:21:18.39
IV.APRC.HHN. ML:1.2 8.982907E-5 0.1792 AML other m 2020-02-23T18:21:20.25
IV.MELA.HHN. ML:1.2 4.1705255E-5 0.192 AML other m 2020-02-23T18:21:25.41
IV.MELA.HHE. ML:1.2 4.4168155E-5 0.256 AML other m 2020-02-23T18:21:25.52
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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Type Description Link
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