Earthquake with magnitude of ML 1.2 on date 14-08-2020 and time 23:58:12 (UTC) in region 4 km NW Fossa (AQ)

A magnitude ML 1.2 earthquake occured in region: 4 km NW Fossa (AQ), on

  • 14-08-2020 23:58:12 (UTC)
  • 15-08-2020 01:58:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3300, 13.4730 at 15 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Fossa AQ 4 721 721
Ocre AQ 5 1167 1888
Poggio Picenze AQ 6 1136 3024
Sant'Eusanio Forconese AQ 6 394 3418
L'Aquila AQ 7 69753 73171
Villa Sant'Angelo AQ 8 424 73595
San Demetrio ne' Vestini AQ 8 1854 75449
Barisciano AQ 10 1828 77277
Rocca di Cambio AQ 10 533 77810
Fagnano Alto AQ 12 418 78228
Lucoli AQ 12 1011 79239
Prata d'Ansidonia AQ 12 496 79735
Rocca di Mezzo AQ 14 1526 81261
Santo Stefano di Sessanio AQ 14 111 81372
Tornimparte AQ 15 3187 84559
Fontecchio AQ 15 369 84928
San Pio delle Camere AQ 16 661 85589
Carapelle Calvisio AQ 18 87 85676
Castelvecchio Calvisio AQ 18 153 85829
Calascio AQ 18 137 85966
Scoppito AQ 18 3727 89693
Caporciano AQ 19 230 89923
Pizzoli AQ 19 4326 94249
Tione degli Abruzzi AQ 19 310 94559

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km E of L'Aquila (69753 inhabitants)
41 Km SW of Teramo (54892 inhabitants)
57 Km W of Chieti (51815 inhabitants)
59 Km W of Montesilvano (53738 inhabitants)
63 Km W of Pescara (121014 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km E of Terni (111501 inhabitants)
92 Km NE of Velletri (53303 inhabitants)
94 Km SE of Foligno (57155 inhabitants)
95 Km NE of Roma (2864731 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 1.2 2020-08-14
23:58:12
42.3295 13.4733 15 2020-08-15
00:06:24
Sala Sismica INGV-Roma 81988271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-14 23:58:12 ± 0.1
Latitude 42.3295 ± 0.0054
Longitude 13.4733 ± 0.0073
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81988271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 680
Semi-minor axis of confidence ellipse (meter) 92
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
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 38
Number of defining phases 24
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.76173
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 81988271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-15 00:06:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.ZAG.BHZ. 2020-08-15T00:00:09.38 3.0 undecidable manual Sg 7.45 0
IV.MILN.HNZ. 2020-08-15T00:00:08.72 3.0 undecidable manual Sn -3.29 0
IV.SPS2.HHZ. 2020-08-15T00:00:01.01 3.0 undecidable manual Sg 2.55 0
CR.STON.BHZ. 2020-08-14T23:59:48.34 3.0 undecidable manual Sg 4.08 0
AC.KBN.HHZ. 2020-08-14T23:59:35.90 3.0 positive manual Pn -3.87 0
IV.MUCR.HHZ. 2020-08-14T23:59:27.10 3.0 positive manual Pg 5.94 0
IV.NOV.HHZ. 2020-08-14T23:59:26.58 3.0 positive manual Pg 4.46 0
IV.EPOZ.HHZ. 2020-08-14T23:59:24.55 3.0 negative manual Pn -2.41 0
IV.EVRN.HHZ. 2020-08-14T23:59:23.08 3.0 negative manual Pn -3.5 0
IV.ESLN.HHZ. 2020-08-14T23:59:22.45 3.0 positive manual Pn -3.63 0
IV.EMCN.HNZ. 2020-08-14T23:59:21.66 3.0 negative manual Pn -3.28 0
IV.FIR.HHZ. 2020-08-14T23:59:21.31 3.0 undecidable manual Sg 3.58 0
IV.TOLF.HHZ. 2020-08-14T23:58:50.35 3.0 undecidable manual S -1.95 0
IV.MAON.HHZ. 2020-08-14T23:58:43.10 3.0 undecidable manual Pn -0.13 0
IV.FDMO.HHZ. 2020-08-14T23:58:37.67 0.6 undecidable manual S 338 84.5487 93 0.28 42
IV.MMO1.EHZ. 2020-08-14T23:58:32.59 0.6 undecidable manual S 349 64.3911 95 0.57 40
IV.NRCA.HHZ. 2020-08-14T23:58:31.52 0.3 undecidable manual S 332 63.1923 95 -0.18 66
IV.INTR.HHZ. 2020-08-14T23:58:27.75 0.3 undecidable manual S 135 50.0166 97 -0.47 64
IV.FDMO.HHZ. 2020-08-14T23:58:26.62 0.3 undecidable manual P 338 84.5487 93 -0.19 64
IV.MMO1.EHZ. 2020-08-14T23:58:24.14 0.6 undecidable manual P 349 64.3911 95 0.44 42
IV.SMA1.EHZ. 2020-08-14T23:58:24.16 0.6 undecidable manual S 341 35.2425 101 -0.16 46
IV.PTQR.HHZ. 2020-08-14T23:58:24.19 0.6 undecidable manual S 190 34.6431 101 0.03 48
IV.RM33.EHE. 2020-08-14T23:58:23.37 0.6 undecidable manual S 313 29.0487 104 0.65 42
IV.TERO.HHZ. 2020-08-14T23:58:23.85 0.6 undecidable manual S 18 34.2435 101 -0.21 46
IV.VCEL.EHZ. 2020-08-14T23:58:23.53 0.3 undecidable manual S 76 30.9468 103 0.33 68
IV.NRCA.HHZ. 2020-08-14T23:58:22.89 0.1 undecidable manual P 332 63.1923 95 -0.63 79
IV.INTR.HHZ. 2020-08-14T23:58:21.33 0.3 undecidable manual P 135 50.0166 97 -0.18 68
IV.PTQR.HHZ. 2020-08-14T23:58:19.18 0.6 undecidable manual P 190 34.6431 101 0.01 48
IV.GIGS.HHE. 2020-08-14T23:58:19.30 0.3 undecidable manual S 31 15.9729 123 -0.18 71
IV.RM33.EHE. 2020-08-14T23:58:18.50 0.1 undecidable manual P 313 29.0487 104 0.17 94
IV.TERO.HHZ. 2020-08-14T23:58:18.89 0.1 undecidable manual P 18 34.2435 101 -0.22 92
IV.VCEL.EHZ. 2020-08-14T23:58:18.89 0.1 undecidable manual P 76 30.9468 103 0.28 91
IV.FIAM.HHE. 2020-08-14T23:58:18.95 0.6 undecidable manual P 257 30.0477 104 0.48 44
IV.SMA1.EHZ. 2020-08-14T23:58:18.92 0.1 undecidable manual P 341 35.2425 101 -0.34 90
MN.AQU.HHZ. 2020-08-14T23:58:17.90 0.6 undecidable manual S 296 6.1938 153 0.17 50
IV.GIGS.HHE. 2020-08-14T23:58:16.47 0.1 undecidable manual P 31 15.9729 123 0 99
IV.FAGN.HHZ. 2020-08-14T23:58:16.01 0.1 undecidable manual P 128 11.4774 135 0.08 99
MN.AQU.HHZ. 2020-08-14T23:58:15.55 0.1 undecidable manual P 296 6.1938 153 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FAGN.HHE. ML:1.2 0.00013000000000000002 0.64 AML other m 2020-08-14T23:58:20.07
IV.FAGN.HHN. ML:1.2 0.0001395 0.56 AML other m 2020-08-14T23:58:21.67
IV.TERO.HHE. ML:1.0 0.000041800000000000006 0.28 AML other m 2020-08-14T23:58:24.24
IV.TERO.HHN. ML:1.0 0.000034500000000000005 0.42 AML other m 2020-08-14T23:58:24.16
IV.SMA1.EHN. ML:1.0 0.0000393 0.94 AML other m 2020-08-14T23:58:24.11
IV.VCEL.EHE. ML:1.3 0.00008205 0.48 AML other m 2020-08-14T23:58:25.08
IV.SMA1.EHE. ML:0.9 0.000028250000000000002 0.08 AML other m 2020-08-14T23:58:25.38
IV.VCEL.EHN. ML:1.4 0.00010395 0.38 AML other m 2020-08-14T23:58:26.62
IV.NRCA.HHE. ML:1.3 0.00004149999999999999 1.34 AML other m 2020-08-14T23:58:31.31
IV.NRCA.HHN. ML:1.4 0.00004675 0.94 AML other m 2020-08-14T23:58:32.59
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