Earthquake with magnitude of ML 1.0 on date 17-03-2020 and time 20:26:09 (Italy) in region 5 km NE Amatrice (RI)

A magnitude ML 1.0 earthquake occured in region: 5 km NE Amatrice (RI), on

  • 17-03-2020 19:26:09 (UTC)
  • 17-03-2020 20:26:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6630, 13.3240 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.

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
Accumoli RI 7 667 3324
Campotosto AQ 12 542 3866
Arquata del Tronto AP 12 1178 5044
Acquasanta Terme AP 14 2916 7960
Cittareale RI 14 482 8442
Cortino TE 16 656 9098
Capitignano AQ 16 665 9763
Valle Castellana TE 16 977 10740
Montereale AQ 17 2581 13321
Rocca Santa Maria TE 17 537 13858
Crognaleto TE 18 1297 15155
Montegallo AP 20 523 15678

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km W of Teramo (54892 inhabitants)
35 Km N of L'Aquila (69753 inhabitants)
57 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
76 Km W of Pescara (121014 inhabitants)
77 Km W of Chieti (51815 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km NE of Tivoli (56533 inhabitants)
91 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 1.0 2020-03-17
19:26:09
42.6633 13.3237 11 2020-03-17
19:50:34
Sala Sismica INGV-Roma 77331791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-17 19:26:09 ± 0.08
Latitude 42.6633 ± 0.0036
Longitude 13.3237 ± 0.0049
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77331791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 450
Semi-minor axis of confidence ellipse (meter) 21
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 314
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) 72
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22933
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.6
Num. used stations 16
Type of magnitude ML
Reference to an origin 77331791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-17 19:50:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHE. 2020-03-17T19:26:18.38 0.3 undecidable manual S 318 25.4523 50 -0.16 71
IV.LNSS.HNE. 2020-03-17T19:26:17.95 0.6 undecidable manual S 254 24.0537 50 -0.23 47
IV.TERO.HHZ. 2020-03-17T19:26:17.74 0.1 undecidable manual S 101 23.3544 50 -0.23 94
IV.RM33.EHZ. 2020-03-17T19:26:16.77 0.3 undecidable manual S 208 19.2696 50 -0.13 73
IV.MTRA.EHE. 2020-03-17T19:26:14.83 0.3 undecidable manual S 30 11.9769 133 -0.12 73
IV.NRCA.HHE. 2020-03-17T19:26:14.71 0.6 undecidable manual P 318 25.4523 50 0.07 48
IV.LNSS.HNE. 2020-03-17T19:26:14.37 0.3 undecidable manual P 254 24.0537 50 -0.06 73
IV.TERO.HHZ. 2020-03-17T19:26:14.38 0.1 undecidable manual P 101 23.3544 50 0.07 96
IV.LAV9.HHZ. 2020-03-17T19:26:13.55 3.0 undecidable manual P 0
IV.SMA1.EHZ. 2020-03-17T19:26:13.24 0.1 undecidable manual S 165 3.7962 161 -0.11 99
IV.T1299.EHN. 2020-03-17T19:26:13.42 0.1 undecidable manual S 226 4.6953 157 -0.05 100
IV.RM33.EHZ. 2020-03-17T19:26:13.77 0.1 undecidable manual P 208 19.2696 50 0.08 97
IV.MTRA.EHE. 2020-03-17T19:26:12.73 0.3 undecidable manual P 30 11.9769 133 0.17 72
IV.T1299.EHN. 2020-03-17T19:26:12.00 0.1 undecidable manual P 226 4.6953 157 0.29 95
IV.SMA1.EHZ. 2020-03-17T19:26:11.88 0.3 undecidable manual P 165 3.7962 161 0.24 73
IV.FIAM.HHZ. 2020-03-17T19:26:10.68 3.0 undecidable manual P -0.63 0
IV.VVLD.HHZ. 2020-03-17T19:26:05.99 3.0 positive manual P 0 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VVLD.HHE. ML:0.6 0.0000062247695 0.7424 AML other m 2020-03-17T19:26:16.93
IV.VVLD.HHN. ML:1.0 0.000010103075 1.0752 AML other m 2020-03-17T19:26:18.92
IV.VVLD.HNE. ML:2.0 0.000102994235 0.5888 AML other m 2020-03-17T19:26:09.80
IV.VVLD.HNN. ML:1.9 0.00009329262 0.6272 AML other m 2020-03-17T19:26:14.36
IV.FIAM.HHE. ML:0.2 0.00000499226665 0.0768 AML other m 2020-03-17T19:26:13.00
IV.FIAM.HHN. ML:0.2 0.000006813099 0.3072 AML other m 2020-03-17T19:26:10.87
IV.FIAM.HNE. ML:3.0 0.003109428 1.4464 AML other m 2020-03-17T19:26:10.98
IV.FIAM.HNN. ML:1.6 0.00010647242 0.768 AML other m 2020-03-17T19:26:32.21
IV.RM33.EHE. ML:0.1 0.000007846087 0.128 AML other m 2020-03-17T19:26:17.47
IV.RM33.EHN. ML:0.1 0.0000084108655 0.3072 AML other m 2020-03-17T19:26:18.04
IV.RM33.HNE. ML:1.4 0.0001721006 1.0752 AML other m 2020-03-17T19:26:16.60
IV.RM33.HNN. ML:1.2 0.00012848785 0.8448 AML other m 2020-03-17T19:26:27.03
IV.TERO.HHE. ML:-0.1 0.000007479411999999999 0.0896 AML other m 2020-03-17T19:26:17.96
IV.TERO.HHN. ML:0.2 0.000012372185 0.9216 AML other m 2020-03-17T19:26:34.69
IV.TERO.HNE. ML:1.2 0.00011116645 0.896 AML other m 2020-03-17T19:26:25.99
IV.TERO.HNN. ML:1.4 0.00017725285000000002 0.7168 AML other m 2020-03-17T19:26:31.12
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