Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 22-08-2018 and time 16:28:50 (Italy) in region Costa Garganica (Foggia)

A magnitude ML 2.1 earthquake occured in region: Costa Garganica (Foggia), on

  • 22-08-2018 14:28:50 (UTC)
  • 22-08-2018 16:28:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.0320, 15.5170 at 5 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
Isole Tremiti FG 10 469 469

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km N of San Severo (53905 inhabitants)
56 Km NW of Manfredonia (57279 inhabitants)
63 Km N of Foggia (151991 inhabitants)
91 Km NW of Cerignola (58396 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 2.1 2018-08-22
14:28:50		 42.0323 15.5173 5 2019-04-24
14:50:56		 Bollettino Sismico Italiano INGV 61840631
Reviewed
Rev100 		ML 2.1 2018-08-22
14:28:50		 42.0383 15.5592 10 2018-08-22
14:47:59		 Sala Sismica INGV-Roma 60078391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-22 14:28:50 ± 0.2
Latitude 42.0323 ± 0.0117
Longitude 15.5173 ± 0.0133
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 61840631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1520
Semi-minor axis of confidence ellipse (meter) 800
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 34
Circular confidence region, given by single value of horizontal uncertainty (meter) 1520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.27519
Epicentral distance of station farthest from the epicenter (degree) 1.33369
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 38
Type of magnitude ML
Reference to an origin 60078391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-22 14:47:59

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 61840631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-01 13:38:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.HVAR.HHE. 2018-08-22T14:29:16.07 0.3 undecidable manual P 31 148.0407 50 0.69 50
IV.ACER.HHZ. 2018-08-22T14:29:15.59 0.3 undecidable manual P 165 142.6461 50 1.05 43
IV.PALZ.HHZ. 2018-08-22T14:29:12.21 0.6 undecidable manual P 163 126.1737 50 0.2 40
IV.INTR.HHZ. 2018-08-22T14:29:12.05 0.3 undecidable manual P 270 132.9669 50 -0.99 45
IV.CERA.HHZ. 2018-08-22T14:29:12.99 0.6 undecidable manual P 249 132.9669 50 -0.06 41
IV.RNI2.HHZ. 2018-08-22T14:29:10.59 0.3 undecidable manual P 253 118.4925 50 -0.23 61
IV.LPEL.HHE. 2018-08-22T14:29:09.08 0.3 undecidable manual P 271 109.9122 50 -0.42 59
YD.T1411.EHZ. 2018-08-22T14:29:08.10 0.6 undecidable manual S 259 49.7169 50 0.69 40
IV.SGTA.HHZ. 2018-08-22T14:29:08.77 0.3 undecidable manual P 187 100.3218 50 0.75 54
IV.BSSO.HHZ. 2018-08-22T14:29:07.08 0.3 undecidable manual P 235 93.5397 50 0.11 65
IV.MSAG.HHZ. 2018-08-22T14:29:06.40 0.6 undecidable manual S 138 48.1185 50 -0.58 42
IV.TRIV.HHZ. 2018-08-22T14:29:05.45 0.6 undecidable manual P 250 85.1481 50 -0.23 43
IV.GATE.HHZ. 2018-08-22T14:29:05.34 0.3 undecidable manual P 221 76.4679 50 1 50
IV.FRES.HHE. 2018-08-22T14:29:03.21 0.3 undecidable manual P 265 70.1742 50 -0.17 68
IV.SGRT.HHZ. 2018-08-22T14:29:02.90 0.6 undecidable manual S 149 36.0417 98 -0.14 48
IV.CIGN.HHZ. 2018-08-22T14:29:02.89 0.1 positive manual P 231 65.6898 50 0.2 90
IV.APRC.HHZ. 2018-08-22T14:29:01.00 0.6 undecidable manual S 176 30.5472 100 -0.16 48
YD.T1411.EHZ. 2018-08-22T14:28:59.91 0.3 undecidable manual P 259 49.7169 50 -0.31 68
IV.MELA.HHZ. 2018-08-22T14:28:59.80 0.1 negative manual P 222 48.5181 50 -0.23 93
IV.MSAG.HHZ. 2018-08-22T14:28:59.55 0.1 undecidable manual P 138 48.1185 50 -0.42 89
IV.SGRT.HHZ. 2018-08-22T14:28:57.65 0.1 undecidable manual P 149 36.0417 98 -0.04 98
IV.APRC.HHZ. 2018-08-22T14:28:56.60 0.1 undecidable manual P 176 30.5472 100 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APRC.HNE. ML:2.3 0.0009320456500000001 0.1856 AML other m 2018-08-22T14:29:01.86
IV.APRC.HHE. ML:2.3 0.00101136615 0.1792 AML other m 2018-08-22T14:29:01.86
IV.APRC.HHN. ML:2.4 0.0011671876 0.1984 AML other m 2018-08-22T14:29:01.87
IV.SGRT.HHE. ML:2.0 0.0004055406 0.16 AML other m 2018-08-22T14:29:03.68
IV.SGRT.HHN. ML:2.0 0.00036671735 0.1408 AML other m 2018-08-22T14:29:04.57
IV.MELA.HHE. ML:2.3 0.0005705795500000001 0.32 AML other m 2018-08-22T14:29:07.35
IV.MSAG.HHE. ML:1.6 0.00012438890999999998 0.2752 AML other m 2018-08-22T14:29:08.15
IV.MSAG.HNE. ML:2.0 0.0003009199 0.2432 AML other m 2018-08-22T14:29:08.15
IV.MSAG.HNN. ML:2.2 0.00046382069999999996 0.16 AML other m 2018-08-22T14:29:08.42
IV.MSAG.HHN. ML:1.8 0.00019962790000000003 0.16 AML other m 2018-08-22T14:29:08.50
IV.MELA.HNN. ML:2.3 0.00051 0.22 AML other m 2018-08-22T14:29:12.19
IV.MELA.HHN. ML:2.3 0.0005645 0.22 AML other m 2018-08-22T14:29:12.30
YD.T1411.EHN. ML:2.3 0.0005940000000000001 0.4 AML other m 2018-08-22T14:29:15.57
YD.T1411.EHE. ML:2.4 0.0007055 0.5 AML other m 2018-08-22T14:29:17.50
IV.CIGN.HHN. ML:1.5 0.00005824999999999999 0.46 AML other m 2018-08-22T14:29:18.68
IV.GATE.HHE. ML:2.0 0.000141 0.28 AML other m 2018-08-22T14:29:21.31
IV.GATE.HHN. ML:1.9 0.0001082542 0.2816 AML other m 2018-08-22T14:29:21.83
IV.SGTA.HHE. ML:2.2 0.00015111423499999997 0.4544 AML other m 2018-08-22T14:29:23.29
IV.SGTA.HHN. ML:2.2 0.00015 0.26 AML other m 2018-08-22T14:29:23.45
IV.BSSO.HHN. ML:1.6 0.000044447645 0.2816 AML other m 2018-08-22T14:29:23.53
IV.BSSO.HHE. ML:1.7 0.00004865 0.46 AML other m 2018-08-22T14:29:23.71
IV.TRIV.HHN. ML:1.7 0.000064346995 0.3008 AML other m 2018-08-22T14:29:23.86
IV.TRIV.HHE. ML:1.9 0.00009989999999999999 0.28 AML other m 2018-08-22T14:29:24.30
IV.RNI2.HHN. ML:2.1 0.00010250000000000001 0.2 AML other m 2018-08-22T14:29:31.37
IV.RNI2.HHE. ML:2.1 0.0000918 0.24 AML other m 2018-08-22T14:29:33.08
IV.INTR.HHN. ML:2.1 0.00007977614 0.32 AML other m 2018-08-22T14:29:33.96
IV.INTR.HHE. ML:1.8 0.00004128155 0.2432 AML other m 2018-08-22T14:29:34.42
IV.CERA.HHN. ML:1.9 0.000048540915 0.896 AML other m 2018-08-22T14:29:42.30
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