Earthquake with magnitude of ML 1.0 on date 09-04-2020 and time 20:51:54 (UTC) in region 2 km NE Campotosto (AQ)

A magnitude ML 1.0 earthquake occured in region: 2 km NE Campotosto (AQ), on

  • 09-04-2020 20:51:54 (UTC)
  • 09-04-2020 22:51:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5710, 13.3830 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.

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 2 542 542
Crognaleto TE 8 1297 1839
Capitignano AQ 9 665 2504
Amatrice RI 10 2657 5161
Cortino TE 12 656 5817
Montereale AQ 12 2581 8398
Fano Adriano TE 13 296 8694
Pietracamela TE 15 271 8965
Barete AQ 16 737 9702
Pizzoli AQ 17 4326 14028
Rocca Santa Maria TE 18 537 14565
Accumoli RI 18 667 15232
Cagnano Amiterno AQ 18 1369 16601
Cittareale RI 19 482 17083

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km N of L'Aquila (69753 inhabitants)
28 Km W of Teramo (54892 inhabitants)
60 Km E of Terni (111501 inhabitants)
63 Km W of Montesilvano (53738 inhabitants)
69 Km W of Chieti (51815 inhabitants)
69 Km W of Pescara (121014 inhabitants)
70 Km SE of Foligno (57155 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
83 Km NE of Guidonia Montecelio (88673 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 2020-04-09
20:51:54
42.5707 13.3828 14 2020-04-09
21:02:02
Sala Sismica INGV-Roma 78055631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-09 20:51:54 ± 0.12
Latitude 42.5707 ± 0.0054
Longitude 13.3828 ± 0.0085
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 78055631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 780
Semi-minor axis of confidence ellipse (meter) 183
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.53690
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 78055631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-09 21:02:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2020-04-09T20:52:13.42 0.6 undecidable manual S 346 59.5959 94 0.56 41
IV.MC2.EHZ. 2020-04-09T20:52:08.61 1.0 undecidable manual S 337 40.9257 97 0.7 20
IV.MMO1.EHZ. 2020-04-09T20:52:07.10 0.6 undecidable manual S 353 36.741 98 0.32 45
IV.FAGN.HHN. 2020-04-09T20:52:07.53 0.1 undecidable manual S 154 37.629 97 0.52 81
IV.NRCA.HHZ. 2020-04-09T20:52:06.63 0.6 undecidable manual S 323 36.4413 98 -0.08 46
IV.CSP1.EHZ. 2020-04-09T20:52:04.80 0.1 undecidable manual P 346 59.5959 94 -0.29 85
IV.MC2.EHZ. 2020-04-09T20:52:02.85 1.0 undecidable manual P 337 40.9257 97 0.63 20
IV.FAGN.HHN. 2020-04-09T20:52:02.48 0.6 undecidable manual P 154 37.629 97 0.77 37
IV.TERO.HHZ. 2020-04-09T20:52:02.13 0.6 undecidable manual S 72 18.9699 112 -0.04 49
IV.GIGS.HHZ. 2020-04-09T20:52:02.09 0.6 undecidable manual S 130 20.2686 110 -0.4 46
IV.RM33.EHZ. 2020-04-09T20:52:01.04 0.6 undecidable manual S 244 15.3735 120 -0.27 46
IV.NRCA.HHZ. 2020-04-09T20:52:01.24 0.1 undecidable manual P 323 36.4413 98 -0.29 89
IV.MMO1.EHZ. 2020-04-09T20:52:01.52 0.1 undecidable manual P 353 36.741 98 -0.05 93
IV.CAMP.HHN. 2020-04-09T20:51:59.49 0.6 undecidable manual S 151 4.3956 159 0.11 49
IV.SMA1.EHZ. 2020-04-09T20:51:59.93 0.6 undecidable manual S 330 7.6812 145 0.14 49
IV.GIGS.HHZ. 2020-04-09T20:51:58.66 0.1 undecidable manual P 130 20.2686 110 -0.44 90
IV.RM33.EHZ. 2020-04-09T20:51:58.16 0.1 undecidable manual P 244 15.3735 120 -0.26 93
IV.TERO.HHZ. 2020-04-09T20:51:58.73 0.1 undecidable manual P 72 18.9699 112 -0.19 95
IV.SMA1.EHZ. 2020-04-09T20:51:57.62 0.1 undecidable manual P 330 7.6812 145 0.08 99
IV.T1299.EHE. 2020-04-09T20:51:57.97 0.1 undecidable manual P 311 10.878 134 0.11 98
IV.CAMP.HHN. 2020-04-09T20:51:57.33 0.1 undecidable manual P 151 4.3956 159 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:0.4 0.00002735 0.76 AML other m 2020-04-09T20:52:00.27
IV.SMA1.EHE. ML:0.8 0.00006565 0.16 AML other m 2020-04-09T20:52:00.59
IV.RM33.EHN. ML:1.3 0.00015949999999999997 0.86 AML other m 2020-04-09T20:52:01.13
IV.RM33.EHE. ML:1.1 0.00010564999999999999 0.62 AML other m 2020-04-09T20:52:01.13
IV.GIGS.HHE. ML:0.6 0.000023 0.38 AML other m 2020-04-09T20:52:02.13
IV.GIGS.HHN. ML:0.7 0.0000371 0.38 AML other m 2020-04-09T20:52:02.14
IV.TERO.HHE. ML:1.1 0.00008885 0.16 AML other m 2020-04-09T20:52:02.27
IV.TERO.HHN. ML:1.1 0.00009620000000000001 0.18 AML other m 2020-04-09T20:52:02.19
IV.NRCA.HHE. ML:1.5 0.000121 1.28 AML other m 2020-04-09T20:52:06.16
IV.NRCA.HHN. ML:1.5 0.0001234 0.12 AML other m 2020-04-09T20:52:07.03
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