Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 11-04-2020 and time 06:25:04 (Italy) in region 4 km NW Scoppito (AQ)

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

  • 11-04-2020 04:25:04 (UTC)
  • 11-04-2020 06:25:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4090, 13.2370 at 11 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Scoppito AQ 4 3727 3727
Cagnano Amiterno AQ 6 1369 5096
Pizzoli AQ 6 4326 9422
Barete AQ 6 737 10159
Antrodoco RI 13 2588 12747
Montereale AQ 13 2581 15328
Capitignano AQ 14 665 15993
Tornimparte AQ 14 3187 19180
Borbona RI 14 617 19797
Borgo Velino RI 15 972 20769
L'Aquila AQ 15 69753 90522
Lucoli AQ 16 1011 91533
Micigliano RI 16 127 91660
Castel Sant'Angelo RI 17 1308 92968
Posta RI 17 694 93662
Fiamignano RI 18 1413 95075
Petrella Salto RI 19 1197 96272
Campotosto AQ 20 542 96814

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km W of L'Aquila (69753 inhabitants)
48 Km SW of Teramo (54892 inhabitants)
51 Km E of Terni (111501 inhabitants)
61 Km NE of Tivoli (56533 inhabitants)
62 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km SE of Foligno (57155 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
77 Km W of Chieti (51815 inhabitants)
81 Km W of Pescara (121014 inhabitants)
84 Km NE of Roma (2864731 inhabitants)
89 Km NE of Velletri (53303 inhabitants)
93 Km E of Viterbo (67173 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 2020-04-11
04:25:04		 42.4088 13.2367 11 2020-04-11
04:50:39		 Sala Sismica INGV-Roma 78098541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-11 04:25:04 ± 0.09
Latitude 42.4088 ± 0.0054
Longitude 13.2367 ± 0.0073
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78098541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 648
Semi-minor axis of confidence ellipse (meter) 526
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 223
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.10162
Epicentral distance of station farthest from the epicenter (degree) 0.49463
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 78098541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-11 04:50:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2020-04-11T04:25:21.54 0.6 undecidable manual S 8 54.9006 50 0.17 46
IV.MMO1.EHZ. 2020-04-11T04:25:13.86 0.3 undecidable manual P 8 54.9006 50 -0.24 68
IV.SMA1.EHZ. 2020-04-11T04:25:13.90 0.6 undecidable manual S 18 25.8519 50 0.27 47
IV.LNSS.HHN. 2020-04-11T04:25:13.79 0.6 undecidable manual S 323 26.8509 50 -0.09 49
IV.CAMP.HHE. 2020-04-11T04:25:12.26 0.6 undecidable manual S 45 19.9689 118 0.25 48
MN.AQU.HNE. 2020-04-11T04:25:10.74 0.6 undecidable manual S 114 15.0738 125 0.17 49
IV.SMA1.EHZ. 2020-04-11T04:25:09.68 0.3 undecidable manual P 18 25.8519 50 0.05 74
IV.LNSS.HHN. 2020-04-11T04:25:09.72 0.3 undecidable manual P 323 26.8509 50 -0.06 74
IV.T1299.EHE. 2020-04-11T04:25:09.43 0.1 undecidable manual P 8 25.2525 50 -0.1 98
IV.RM33.EHZ. 2020-04-11T04:25:09.46 0.3 undecidable manual S 351 11.2776 133 -0.08 75
IV.CAMP.HHE. 2020-04-11T04:25:08.58 0.3 undecidable manual P 45 19.9689 118 -0.11 74
IV.FIAM.HNE. 2020-04-11T04:25:08.66 0.3 undecidable manual P 212 18.4704 120 0.23 72
MN.AQU.HNE. 2020-04-11T04:25:07.34 0.6 undecidable manual P 114 15.0738 125 -0.52 45
IV.RM33.EHZ. 2020-04-11T04:25:07.42 0.1 undecidable manual P 351 11.2776 133 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:1.2 0.00017299999999999998 0.76 AML other m 2020-04-11T04:25:09.45
IV.RM33.EHN. ML:0.9 0.00009520000000000001 0.66 AML other m 2020-04-11T04:25:10.60
IV.SMA1.EHN. ML:1.2 0.00007825 0.26 AML other m 2020-04-11T04:25:14.04
IV.SMA1.EHE. ML:1.4 0.0001565 0.38 AML other m 2020-04-11T04:25:14.25
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