Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 08-04-2020 and time 12:44:34 (Italy) in region 5 km W Campotosto (AQ)

A magnitude ML 1.3 earthquake occured in region: 5 km W Campotosto (AQ), on

  • 08-04-2020 10:44:34 (UTC)
  • 08-04-2020 12:44:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5700, 13.3180 at 14 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
Campotosto AQ 5 542 542
Capitignano AQ 6 665 1207
Amatrice RI 7 2657 3864
Montereale AQ 8 2581 6445
Crognaleto TE 14 1297 7742
Barete AQ 14 737 8479
Cittareale RI 14 482 8961
Cagnano Amiterno AQ 14 1369 10330
Pizzoli AQ 15 4326 14656
Accumoli RI 15 667 15323
Borbona RI 16 617 15940
Cortino TE 17 656 16596
Fano Adriano TE 18 296 16892
Posta RI 19 694 17586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of L'Aquila (69753 inhabitants)
33 Km W of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
66 Km SE of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
74 Km W of Chieti (51815 inhabitants)
74 Km W of Pescara (121014 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km SE of Perugia (166134 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 1.3 2020-04-08
10:44:34		 42.5702 13.3178 14 2020-04-08
10:50:03		 Sala Sismica INGV-Roma 78012021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-08 10:44:34 ± 0.12
Latitude 42.5702 ± 0.0045
Longitude 13.3178 ± 0.0073
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78012021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 450
Semi-minor axis of confidence ellipse (meter) 421
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22123
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 78012021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-08 10:50:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2020-04-08T10:44:46.56 3.0 undecidable manual S -0.32 0
IV.TERO.HHZ. 2020-04-08T10:44:42.80 0.1 undecidable manual S 76 24.0537 102 -0.15 97
IV.GIGS.HHZ. 2020-04-08T10:44:42.82 0.3 undecidable manual S 122 24.5532 101 -0.26 71
IV.MTRA.EHZ. 2020-04-08T10:44:42.09 0.1 undecidable manual S 17 21.6672 104 -0.23 97
IV.LNSS.HHZ. 2020-04-08T10:44:42.45 0.1 undecidable manual S 279 22.9548 103 -0.21 97
IV.SMA1.EHZ. 2020-04-08T10:44:39.08 0.3 undecidable manual S 12 6.8931 146 0.06 77
IV.LNSS.HHZ. 2020-04-08T10:44:39.11 0.1 undecidable manual P 279 22.9548 103 0.11 98
IV.RM33.EHZ. 2020-04-08T10:44:39.53 0.1 undecidable manual S 231 10.878 130 -0.2 98
IV.TERO.HHZ. 2020-04-08T10:44:39.32 0.1 undecidable manual P 76 24.0537 102 0.15 98
IV.GIGS.HHZ. 2020-04-08T10:44:39.38 0.1 undecidable manual P 122 24.5532 101 0.14 98
IV.MTRA.EHZ. 2020-04-08T10:44:38.87 0.1 undecidable manual P 17 21.6672 104 0.06 99
IV.SMA1.EHZ. 2020-04-08T10:44:37.20 0.1 positive manual P 12 6.8931 146 0.3 98
IV.RM33.EHZ. 2020-04-08T10:44:37.48 0.1 undecidable manual P 231 10.878 130 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.5 0.000356 0.16 AML other m 2020-04-08T10:44:39.38
IV.SMA1.EHE. ML:1.8 0.0007664999999999999 0.16 AML other m 2020-04-08T10:44:39.47
IV.RM33.EHN. ML:0.8 0.00007195 0.32 AML other m 2020-04-08T10:44:39.72
IV.RM33.EHE. ML:0.9 0.00007305 0.54 AML other m 2020-04-08T10:44:39.72
IV.MTRA.EHE. ML:1.6 0.00022749999999999997 0.42 AML other m 2020-04-08T10:44:42.39
IV.MTRA.EHN. ML:1.5 0.000199 0.24 AML other m 2020-04-08T10:44:42.23
IV.LNSS.HHE. ML:1.4 0.00014500000000000003 0.12 AML other m 2020-04-08T10:44:42.78
IV.LNSS.HHN. ML:1.4 0.0001665 0.4 AML other m 2020-04-08T10:44:42.79
IV.TERO.HHE. ML:0.7 0.0000304 1.06 AML other m 2020-04-08T10:44:43.82
IV.TERO.HHN. ML:0.8 0.0000334 1.64 AML other m 2020-04-08T10:44:45.02
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