Earthquake with magnitude of ML 1.1 on date 10-04-2020 and time 23:06:11 (UTC) in region 4 km E Amatrice (RI)

A magnitude ML 1.1 earthquake occured in region: 4 km E Amatrice (RI), on

  • 10-04-2020 23:06:11 (UTC)
  • 11-04-2020 01:06:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6110, 13.3370 at 13 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
Amatrice RI 5 2657 2657
Campotosto AQ 7 542 3199
Capitignano AQ 10 665 3864
Accumoli RI 12 667 4531
Montereale AQ 12 2581 7112
Crognaleto TE 14 1297 8409
Cortino TE 14 656 9065
Cittareale RI 15 482 9547
Fano Adriano TE 18 296 9843
Rocca Santa Maria TE 18 537 10380
Arquata del Tronto AP 18 1178 11558
Barete AQ 18 737 12295
Acquasanta Terme AP 19 2916 15211
Cagnano Amiterno AQ 19 1369 16580
Valle Castellana TE 19 977 17557
Pizzoli AQ 20 4326 21883
Borbona RI 20 617 22500

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km N of L'Aquila (69753 inhabitants)
31 Km W of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
74 Km W of Pescara (121014 inhabitants)
74 Km W of Chieti (51815 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
95 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 1.1 2020-04-10
23:06:11
42.6113 13.3373 13 2020-04-10
23:20:38
Sala Sismica INGV-Roma 78094221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-10 23:06:11 ± 0.05
Latitude 42.6113 ± 0.0018
Longitude 13.3373 ± 0.0024
Depth (km) 13 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78094221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 256
Semi-minor axis of confidence ellipse (meter) 69
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39031
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 78094221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-10 23:20:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-04-10T23:06:55.22 3.0 undecidable manual S 4.11 0
IV.NRCA.HHZ. 2020-04-10T23:06:22.00 0.3 undecidable manual S 324 30.6471 97 -0.14 72
IV.MMO1.EHZ. 2020-04-10T23:06:22.67 0.3 undecidable manual S 358 31.9458 97 0.17 71
IV.CESI.HHZ. 2020-04-10T23:06:21.48 3.0 negative manual P -0.16 0
IV.GIGS.HHZ. 2020-04-10T23:06:20.81 0.3 undecidable manual S 132 26.0517 100 -0.13 72
IV.VCEL.EHZ. 2020-04-10T23:06:20.75 3.0 positive manual P 0.16 0
IV.FDMO.HHZ. 2020-04-10T23:06:20.79 3.0 undecidable manual P -0.1 0
IV.LNSS.HHZ. 2020-04-10T23:06:20.40 0.1 undecidable manual S 268 24.2535 101 -0.07 98
IV.MF5.EHZ. 2020-04-10T23:06:20.06 3.0 undecidable manual P 0.45 0
IV.ARRO.EHZ. 2020-04-10T23:06:19.90 3.0 negative manual P -0.22 0
IV.FAGN.HHZ. 2020-04-10T23:06:19.85 0.3 undecidable manual P 152 43.3233 94 0.26 68
IV.TERO.HHZ. 2020-04-10T23:06:19.69 0.3 undecidable manual S 87 21.7671 104 -0.14 73
IV.MTRA.EHZ. 2020-04-10T23:06:18.36 0.3 undecidable manual S 17 16.872 112 -0.2 72
IV.MMO1.EHZ. 2020-04-10T23:06:17.92 0.6 negative manual P 358 31.9458 97 0.08 48
IV.RM33.EHZ. 2020-04-10T23:06:17.94 0.3 undecidable manual S 221 15.1737 116 -0.22 73
IV.CAMP.HHE. 2020-04-10T23:06:17.00 0.3 undecidable manual S 145 10.2786 132 -0.07 75
IV.NRCA.HHZ. 2020-04-10T23:06:17.52 0.3 undecidable manual P 324 30.6471 97 -0.11 72
IV.TERO.HHZ. 2020-04-10T23:06:16.28 0.6 undecidable manual P 87 21.7671 104 -0.02 50
IV.LNSS.HHZ. 2020-04-10T23:06:16.61 0.1 positive manual P 268 24.2535 101 -0.06 99
IV.GIGS.HHZ. 2020-04-10T23:06:16.96 0.6 undecidable manual P 132 26.0517 100 0.02 49
IV.T1299.EHE. 2020-04-10T23:06:16.23 0.3 undecidable manual S 299 5.1948 154 -0.02 77
IV.SMA1.EHE. 2020-04-10T23:06:15.98 0.3 undecidable manual S 356 2.0979 169 0 77
IV.RM33.EHZ. 2020-04-10T23:06:15.35 0.6 undecidable manual P 221 15.1737 116 0.02 50
IV.MTRA.EHZ. 2020-04-10T23:06:15.62 0.3 positive manual P 17 16.872 112 0.05 75
IV.T1299.EHE. 2020-04-10T23:06:14.41 0.1 undecidable manual P 299 5.1948 154 0.18 99
IV.SMA1.EHE. 2020-04-10T23:06:14.25 0.1 undecidable manual P 356 2.0979 169 0.17 100
IV.CAMP.HHE. 2020-04-10T23:06:14.84 0.1 undecidable manual P 145 10.2786 132 0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:0.8 0.000056413159999999994 0.2176 AML other m 2020-04-10T23:06:18.89
IV.RM33.EHE. ML:1.0 0.00007944587 0.1152 AML other m 2020-04-10T23:06:19.30
IV.MTRA.EHE. ML:1.6 0.0002835828 0.1792 AML other m 2020-04-10T23:06:18.83
IV.MTRA.EHN. ML:1.5 0.0002314691 0.1024 AML other m 2020-04-10T23:06:18.42
IV.TERO.HHN. ML:1.0 0.00006324893 0.064 AML other m 2020-04-10T23:06:19.92
IV.TERO.HHE. ML:1.0 0.000061412145 0.1664 AML other m 2020-04-10T23:06:19.76
IV.LNSS.HHE. ML:1.1 0.00007391808999999999 0.0896 AML other m 2020-04-10T23:06:21.13
IV.LNSS.HHN. ML:0.9 0.00004898525 0.0768 AML other m 2020-04-10T23:06:21.03
IV.GIGS.HHN. ML:0.6 0.00002064449 0.0512 AML other m 2020-04-10T23:06:20.00
IV.GIGS.HHE. ML:0.6 0.000018096474500000002 0.0768 AML other m 2020-04-10T23:06:20.99
IV.NRCA.HHN. ML:1.2 0.00007447592 0.1408 AML other m 2020-04-10T23:06:22.25
IV.NRCA.HHE. ML:1.6 0.00017475765 0.128 AML other m 2020-04-10T23:06:22.28
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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