Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 20-09-2019 and time 10:46:21 (Italy) in region 15 km S San Giovanni Rotondo (FG)

A magnitude ML 1.7 earthquake occured in region: 15 km S San Giovanni Rotondo (FG), on

  • 20-09-2019 08:46:21 (UTC)
  • 20-09-2019 10:46:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5700, 15.7140 at 16 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 Giovanni Rotondo FG 16 27184 27184
Rignano Garganico FG 16 2117 29301
San Marco in Lamis FG 17 13831 43132
Foggia FG 18 151991 195123
Manfredonia FG 18 57279 252402

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km W of Manfredonia (57279 inhabitants)
18 Km NE of Foggia (151991 inhabitants)
31 Km E of San Severo (53905 inhabitants)
37 Km NW of Cerignola (58396 inhabitants)
55 Km NW of Barletta (94814 inhabitants)
62 Km NW of Andria (100440 inhabitants)
67 Km NW of Trani (56217 inhabitants)
75 Km W of Bisceglie (55422 inhabitants)
84 Km W of Molfetta (59874 inhabitants)
92 Km NE of Benevento (60091 inhabitants)
97 Km NW of Bitonto (55540 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 1.7 2019-09-20
08:46:21		 41.5698 15.7135 16 2020-02-28
16:41:52		 Bollettino Sismico Italiano INGV 72694371
Reviewed
Rev100 		ML 1.7 2019-09-20
08:46:21		 41.5528 15.7245 14 2019-09-20
09:03:47		 Sala Sismica INGV-Roma 72582251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-20 08:46:21 ± 0.09
Latitude 41.5698 ± 0.0045
Longitude 15.7135 ± 0.0060
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 72694371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 529
Semi-minor axis of confidence ellipse (meter) 355
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 285
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.28153
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 72582251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-20 09:03:47

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 72694371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-04 15:05:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RESU.HHZ. 2019-09-20T08:48:12.23 3.0 undecidable manual Sg 12.63 0
IV.RIBO.EHZ.01 2019-09-20T08:48:03.27 3.0 undecidable manual Sg 9.62 0
IV.TRIF.CHZ. 2019-09-20T08:47:55.38 3.0 undecidable manual Sn -2.37 0
IV.MILN.HHZ. 2019-09-20T08:47:46.04 3.0 negative manual Pn 0.92 0
IV.ACATE.EHZ. 2019-09-20T08:47:34.43 3.0 positive manual Pg 12.92 0
IV.MOCL.EHZ. 2019-09-20T08:47:28.17 3.0 undecidable manual Pg 10.72 0
IV.CGL.BHZ. 2019-09-20T08:47:26.94 3.0 undecidable manual Pn -3.72 0
IV.CAVT.HHZ. 2019-09-20T08:47:22.01 3.0 negative manual Pg 3.13 0
IV.ATCC.EHZ. 2019-09-20T08:47:19.80 3.0 undecidable manual Sn -9.99 0
CR.STON.BHZ. 2019-09-20T08:47:19.78 3.0 undecidable manual Sn -3.45 0
IV.FIU.EHZ. 2019-09-20T08:47:19.86 3.0 negative manual Pn -1.42 0
SL.LJU.BHZ. 2019-09-20T08:47:17.27 3.0 negative manual Pn -9.46 0
IV.FIR.HHZ. 2019-09-20T08:47:15.55 3.0 undecidable manual Pn 0.65 0
IV.FIAM.HHZ. 2019-09-20T08:47:14.38 3.0 undecidable manual Sg 1.6 0
IV.VVLD.HHZ. 2019-09-20T08:47:02.66 3.0 undecidable manual Sg 2.35 0
IV.ATCC.EHZ. 2019-09-20T08:46:54.68 3.0 negative manual Pn -4.39 0
IV.VCEL.EHZ. 2019-09-20T08:46:52.34 3.0 undecidable manual Sn -9.99 0
IV.AMUR.HHZ. 2019-09-20T08:46:51.70 1.0 undecidable manual S 134 104.5176 93 -0.05 21
IV.MRLC.HHZ. 2019-09-20T08:46:48.70 0.3 undecidable manual S 192 92.1411 93 0.24 61
IV.SNAL.HHE. 2019-09-20T08:46:45.40 0.3 undecidable manual S 211 82.9503 94 -0.6 57
IV.NOCI.HHZ. 2019-09-20T08:46:44.92 1.0 undecidable manual P 127 142.2465 92 0.21 19
IV.PALZ.HHE. 2019-09-20T08:46:43.90 0.3 undecidable manual S 163 72.372 94 0.71 55
IV.VBKN.HHZ. 2019-09-20T08:46:43.63 3.0 undecidable manual Sg -2.29 0
IV.CIGN.HHE. 2019-09-20T08:46:42.70 1.0 undecidable manual S 278 67.6767 95 0.76 19
IV.VULT.HHE. 2019-09-20T08:46:42.60 0.3 undecidable manual S 187 68.6757 95 0.39 62
IV.PTRJ.HHZ. 2019-09-20T08:46:40.40 3.0 undecidable manual Sg 2.54 0
IV.VCEL.EHZ. 2019-09-20T08:46:40.03 3.0 negative manual Pn -2.76 0
IV.SGTA.HHZ. 2019-09-20T08:46:39.20 0.3 undecidable manual S 211 56.2992 96 0.29 65
IV.AMUR.HHZ. 2019-09-20T08:46:38.87 0.6 undecidable manual P 134 104.5176 93 -0.04 41
IV.VVLD.HHZ. 2019-09-20T08:46:36.05 3.0 undecidable manual P -4.74 0
IV.MRLC.HHZ. 2019-09-20T08:46:36.90 0.6 undecidable manual P 192 92.1411 93 -0.11 42
IV.ACER.HHZ. 2019-09-20T08:46:36.71 3.0 undecidable manual S -4.69 0
IX.CLT3.HHE.02 2019-09-20T08:46:34.99 0.6 undecidable manual P 199 78.366 94 0.11 43
OT.OT14.EHZ. 2019-09-20T08:46:34.60 3.0 undecidable manual S 24 39.627 99 0.1 0
IV.SNAL.HHE. 2019-09-20T08:46:34.79 0.6 undecidable manual P 211 82.9503 94 -0.8 35
IV.CIGN.HHE. 2019-09-20T08:46:33.64 0.6 undecidable manual P 278 67.6767 95 0.4 42
IV.PALZ.HHE. 2019-09-20T08:46:33.58 0.6 undecidable manual P 163 72.372 94 -0.39 41
IV.VULT.HHE. 2019-09-20T08:46:32.79 1.0 undecidable manual P 187 68.6757 95 -0.61 19
IV.APRC.HHZ. 2019-09-20T08:46:31.00 0.3 undecidable manual S 326 25.1526 108 0.27 69
IV.MSAG.HHZ. 2019-09-20T08:46:30.30 0.3 undecidable manual S 46 22.6551 111 0.19 70
IV.SGTA.HHZ. 2019-09-20T08:46:30.84 0.6 undecidable manual P 211 56.2992 96 -0.65 39
OT.OT14.EHZ. 2019-09-20T08:46:29.10 0.6 undecidable manual P 24 39.627 99 0.15 46
IV.SGRT.HHZ. 2019-09-20T08:46:29.80 0.3 undecidable manual S 7 20.6682 114 0.19 71
OT.OT12.EHE. 2019-09-20T08:46:28.60 0.3 undecidable manual S 67 17.5713 120 -0.28 70
IV.CAPA.HHZ. 2019-09-20T08:46:28.78 3.0 undecidable manual P 46.4202 -1.21 0
OT.OT06.EHE. 2019-09-20T08:46:28.60 0.3 undecidable manual S 322 16.1727 123 0.03 73
OT.OT03.EHE. 2019-09-20T08:46:28.90 0.3 undecidable manual S 342 16.6722 122 0.23 71
OT.OT05.EHE. 2019-09-20T08:46:27.90 0.3 undecidable manual S 317 13.4754 130 -0.09 73
IV.MSAG.HHZ. 2019-09-20T08:46:26.48 0.3 undecidable manual P 46 22.6551 111 0.07 72
OT.MELA.HHZ. 2019-09-20T08:46:26.18 3.0 undecidable manual P 0
IV.PTRJ.HNZ. 2019-09-20T08:46:26.18 3.0 undecidable manual P -2 0
IV.SGRT.HHZ. 2019-09-20T08:46:26.16 0.1 negative manual P 7 20.6682 114 0.03 98
IV.APRC.HHZ. 2019-09-20T08:46:26.65 0.3 undecidable manual P 326 25.1526 108 -0.12 71
OT.OT07.EHE. 2019-09-20T08:46:26.60 0.3 undecidable manual S 5 5.6943 156 -0.12 74
OT.OT12.EHE. 2019-09-20T08:46:25.49 0.3 undecidable manual P 67 17.5713 120 -0.21 71
OT.OT05.EHE. 2019-09-20T08:46:25.01 0.3 undecidable manual P 317 13.4754 130 -0.18 71
OT.OT03.EHE. 2019-09-20T08:46:25.52 0.1 negative manual P 342 16.6722 122 -0.06 97
OT.OT06.EHE. 2019-09-20T08:46:25.43 0.1 positive manual P 322 16.1727 123 -0.09 96
OT.OT07.EHE. 2019-09-20T08:46:24.42 0.1 positive manual P 5 5.6943 156 -0.04 100
OT.GATE.HHZ. 2019-09-20T08:46:18.22 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SGRT.HHN. ML:1.7 0.000296603 0.096 AML other m 2019-09-20T08:46:30.68
IV.SGRT.HHE. ML:1.8 0.0003969989 0.224 AML other m 2019-09-20T08:46:30.64
IV.MSAG.HNE. ML:1.5 0.00017001875 0.1216 AML other m 2019-09-20T08:46:31.13
IV.MSAG.HHE. ML:1.1 0.000072464295 0.1408 AML other m 2019-09-20T08:46:30.85
IV.MSAG.HNN. ML:1.8 0.00034154545 0.1984 AML other m 2019-09-20T08:46:31.75
IV.MSAG.HHN. ML:1.4 0.00014506274999999999 0.1984 AML other m 2019-09-20T08:46:31.75
IV.APRC.HHN. ML:2.0 0.0005056248 0.16 AML other m 2019-09-20T08:46:31.64
IV.APRC.HHE. ML:1.8 0.00033485569999999997 0.1984 AML other m 2019-09-20T08:46:33.66
IV.APRC.HNE. ML:1.8 0.00033522825 0.1984 AML other m 2019-09-20T08:46:33.67
IV.CAPA.HHN. ML:1.6 0.00010717167999999999 0.1216 AML other m 2019-09-20T08:46:39.01
IV.CAPA.HNN. ML:1.4 0.00006529957 0.1216 AML other m 2019-09-20T08:46:39.00
IV.MRLC.HNN. ML:1.5 0.000034384945 0.32 AML other m 2019-09-20T08:46:50.07
IV.MRLC.HHE. ML:1.7 0.00005643553 0.5376 AML other m 2019-09-20T08:46:50.60
IV.MRLC.HHN. ML:1.8 0.00006487326 0.256 AML other m 2019-09-20T08:46:50.47
IV.MRLC.HNE. ML:1.4 0.0000293852 0.2432 AML other m 2019-09-20T08:46:50.87
IV.AMUR.HHN. ML:1.9 0.000078505145 0.2624 AML other m 2019-09-20T08:46:52.48
IV.AMUR.HHE. ML:1.7 0.00004929351 0.16 AML other m 2019-09-20T08:46:52.92
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