Earthquake with magnitude of ML 0.7 on date 14-08-2020 and time 14:29:57 (UTC) in region 6 km NE Amatrice (RI)

A magnitude ML 0.7 earthquake occured in region: 6 km NE Amatrice (RI), on

  • 14-08-2020 14:29:57 (UTC)
  • 14-08-2020 16:29:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6740, 13.3380 at 9 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 6 2657 2657
Accumoli RI 8 667 3324
Arquata del Tronto AP 12 1178 4502
Acquasanta Terme AP 12 2916 7418
Campotosto AQ 13 542 7960
Valle Castellana TE 15 977 8937
Cortino TE 15 656 9593
Rocca Santa Maria TE 16 537 10130
Cittareale RI 16 482 10612
Capitignano AQ 17 665 11277
Crognaleto TE 18 1297 12574
Montereale AQ 18 2581 15155
Montegallo AP 19 523 15678

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Teramo (54892 inhabitants)
36 Km N of L'Aquila (69753 inhabitants)
58 Km E of Terni (111501 inhabitants)
61 Km SE of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
75 Km W of Pescara (121014 inhabitants)
77 Km W of Chieti (51815 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
90 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 0.7 2020-08-14
14:29:57
42.6737 13.338 9 2020-08-14
14:39:48
Sala Sismica INGV-Roma 81976261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-14 14:29:57 ± 0.16
Latitude 42.6737 ± 0.0045
Longitude 13.3380 ± 0.0061
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81976261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 630
Semi-minor axis of confidence ellipse (meter) 66
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 136
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.23023
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 81976261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-14 14:39:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2020-08-14T14:30:05.90 0.3 undecidable manual S 105 22.4553 112 -0.2 71
IV.RM33.EHZ. 2020-08-14T14:30:05.52 0.3 undecidable manual S 209 20.868 113 -0.09 73
IV.RM33.EHZ. 2020-08-14T14:30:02.27 0.1 undecidable manual P 209 20.868 113 0 100
IV.LNSS.HNZ. 2020-08-14T14:30:02.85 0.3 undecidable manual P 252 25.5522 109 -0.29 70
IV.TERO.HHZ. 2020-08-14T14:30:02.73 0.3 undecidable manual P 105 22.4553 112 0.17 72
IV.MTRA.EHZ. 2020-08-14T14:30:02.35 0.3 undecidable manual S 27 10.3785 131 -0.13 74
IV.SMA1.EHZ. 2020-08-14T14:30:01.18 0.3 undecidable manual S 183 4.7952 152 -0.08 76
IV.MTRA.EHZ. 2020-08-14T14:30:00.54 0.1 undecidable manual P 27 10.3785 131 0.07 100
IV.T1299.EHZ. 2020-08-14T14:30:00.12 0.1 undecidable manual P 226 6.2937 145 0.2 98
IV.SMA1.EHZ. 2020-08-14T14:29:59.93 0.1 undecidable manual P 183 4.7952 152 0.17 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.0 0.00017999999999999998 0.14 AML other m 2020-08-14T14:30:01.23
IV.SMA1.EHE. ML:0.9 0.000152 0.96 AML other m 2020-08-14T14:30:01.23
IV.MTRA.EHE. ML:0.7 0.000060200000000000006 0.24 AML other m 2020-08-14T14:30:03.24
IV.MTRA.EHN. ML:0.5 0.000042999999999999995 0.96 AML other m 2020-08-14T14:30:03.76
IV.TERO.HHN. ML:0.6 0.000026099999999999997 0.68 AML other m 2020-08-14T14:30:06.33
IV.TERO.HHE. ML:0.5 0.000018 1.2 AML other m 2020-08-14T14:30:06.75
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