Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 16-04-2019 and time 22:40:27 (Italy) in region Costa Marchigiana Picena (Ascoli Piceno)

A magnitude ML 1.0 earthquake occured in region: Costa Marchigiana Picena (Ascoli Piceno), on

  • 16-04-2019 20:40:27 (UTC)
  • 16-04-2019 22:40:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0740, 13.9580 at 6 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Cupra Marittima AP 10 5398 5398
Pedaso FM 10 2800 8198
Campofilone FM 12 1916 10114
Grottammare AP 12 16006 26120
Massignano AP 13 1638 27758
Altidona FM 14 3390 31148
Lapedona FM 16 1166 32314
San Benedetto del Tronto AP 16 47303 79617
Montefiore dell'Aso AP 17 2123 81740
Ripatransone AP 18 4309 86049
Porto San Giorgio FM 18 16121 102170
Acquaviva Picena AP 18 3831 106001
Moresco FM 18 598 106599
Monteprandone AP 20 12655 119254
Monterubbiano FM 20 2230 121484

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km NE of Teramo (54892 inhabitants)
64 Km N of Montesilvano (53738 inhabitants)
70 Km SE of Ancona (100861 inhabitants)
71 Km NW of Pescara (121014 inhabitants)
82 Km N of Chieti (51815 inhabitants)
92 Km NE of L'Aquila (69753 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
Reviewed
Rev100 		ML 1.0 2019-04-16
20:40:27		 43.0737 13.9577 6 2019-04-16
20:50:47		 Sala Sismica INGV-Roma 67656111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-16 20:40:27 ± 0.29
Latitude 43.0737 ± 0.0099
Longitude 13.9577 ± 0.0172
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 67656111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1405
Semi-minor axis of confidence ellipse (meter) 962
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 1400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 252
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) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.18706
Epicentral distance of station farthest from the epicenter (degree) 0.58456
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 67656111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-16 20:50:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2019-04-16T20:40:48.42 0.6 undecidable manual S 254 64.8906 50 0.1 46
IV.TERO.HHZ. 2019-04-16T20:40:47.32 0.6 undecidable manual S 210 57.6978 50 0.93 36
IV.MMO1.EHZ. 2019-04-16T20:40:45.49 0.6 undecidable manual S 250 54.7008 50 -0.11 46
IV.GUMA.HHZ. 2019-04-16T20:40:44.80 0.1 undecidable manual S 269 50.5161 50 0.34 89
IV.MF5.EHZ. 2019-04-16T20:40:42.04 1.0 undecidable manual S 257 41.5251 99 -0.02 24
IV.CIMA.HNE. 2019-04-16T20:40:40.40 0.6 undecidable manual S 318 34.6431 100 0.68 41
IV.MC2.EHZ. 2019-04-16T20:40:39.12 0.3 undecidable manual P 254 64.8906 50 -0.4 64
IV.TERO.HHZ. 2019-04-16T20:40:38.47 0.1 undecidable manual P 210 57.6978 50 0.06 93
IV.CSP1.EHZ. 2019-04-16T20:40:38.40 0.6 undecidable manual P 272 60.9945 50 -0.52 42
IV.MNTT.EHZ. 2019-04-16T20:40:37.36 0.3 undecidable manual S 268 29.3484 102 -0.56 65
IV.MMO1.EHZ. 2019-04-16T20:40:37.57 0.3 undecidable manual P 250 54.7008 50 -0.38 66
IV.GUMA.HHZ. 2019-04-16T20:40:36.91 0.1 undecidable manual P 269 50.5161 50 -0.38 88
IV.CADA.HNE. 2019-04-16T20:40:35.07 0.1 undecidable manual S 310 20.7681 107 0.04 100
IV.MF5.EHZ. 2019-04-16T20:40:35.91 0.1 undecidable manual P 257 41.5251 99 0 97
IV.CIMA.HNE. 2019-04-16T20:40:34.57 0.1 undecidable manual P 318 34.6431 100 0.02 98
IV.OFFI.HHE. 2019-04-16T20:40:33.52 1.0 undecidable manual P 235 26.9508 103 0.49 22
IV.MNTT.EHZ. 2019-04-16T20:40:33.94 0.1 undecidable manual P 268 29.3484 102 0.42 91
IV.CADA.HNE. 2019-04-16T20:40:31.74 0.1 undecidable manual P 310 20.7681 107 -0.1 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHN. ML:1.6 0.0001001 0.44 AML other m 2019-04-16T20:40:46.21
IV.MNTT.EHE. ML:0.9 0.000047005155 0.7808 AML other m 2019-04-16T20:40:37.72
IV.MF5.EHE. ML:1.0 0.000030441499999999996 1.4464 AML other m 2019-04-16T20:40:42.06
IV.MF5.EHN. ML:1.0 0.000028774580000000003 0 AML other m 2019-04-16T20:40:42.67
IV.TERO.HHE. ML:1.0 0.000020253889999999995 0.256 AML other m 2019-04-16T20:40:48.36
IV.TERO.HHN. ML:0.8 0.00001748636 0.2304 AML other m 2019-04-16T20:40:50.41
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