Earthquake with magnitude of ML 1.1 on date 28-01-2019 and time 03:36:22 (Italy) in region 6 km E Amatrice (RI)

A magnitude ML 1.1 earthquake occured in region: 6 km E Amatrice (RI), on

  • 28-01-2019 02:36:22 (UTC)
  • 28-01-2019 03:36:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6480, 13.3590 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 6 2657 2657
Campotosto AQ 10 542 3199
Accumoli RI 11 667 3866
Cortino TE 13 656 4522
Acquasanta Terme AP 14 2916 7438
Rocca Santa Maria TE 15 537 7975
Capitignano AQ 15 665 8640
Crognaleto TE 15 1297 9937
Arquata del Tronto AP 15 1178 11115
Valle Castellana TE 15 977 12092
Cittareale RI 17 482 12574
Montereale AQ 17 2581 15155
Fano Adriano TE 18 296 15451

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of Teramo (54892 inhabitants)
33 Km N of L'Aquila (69753 inhabitants)
59 Km E of Terni (111501 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
73 Km W of Pescara (121014 inhabitants)
74 Km W of Chieti (51815 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km NE of Tivoli (56533 inhabitants)
94 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 2019-01-28
02:36:22
42.6477 13.3588 11 2019-01-28
02:41:04
Sala Sismica INGV-Roma 65013601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-01-28 02:36:22 ± 0.08
Latitude 42.6477 ± 0.0072
Longitude 13.3588 ± 0.0061
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 65013601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 680
Semi-minor axis of confidence ellipse (meter) 447
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 179
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
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) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.02428
Epicentral distance of station farthest from the epicenter (degree) 0.25811
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:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 65013601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-01-28 02:41:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIGS.HHZ. 2019-01-28T02:36:32.10 0.1 undecidable manual S 141 27.75 50 -0.01 98
IV.TERO.HHZ. 2019-01-28T02:36:29.96 0.1 undecidable manual S 98 20.1687 50 -0.12 98
IV.RM33.EHZ. 2019-01-28T02:36:29.86 0.1 undecidable manual S 218 19.3695 50 -0.01 100
IV.NRCA.HHZ. 2019-01-28T02:36:28.02 0.1 undecidable manual P 316 28.6491 50 -0.05 97
IV.LNSS.HHZ. 2019-01-28T02:36:27.63 0.1 undecidable manual P 259 26.4513 50 -0.11 97
IV.GIGS.HHZ. 2019-01-28T02:36:27.73 0.1 undecidable manual P 141 27.75 50 -0.2 95
IV.RM33.EHZ. 2019-01-28T02:36:26.76 0.1 undecidable manual P 218 19.3695 50 0.12 98
IV.TERO.HHZ. 2019-01-28T02:36:26.94 0.1 undecidable manual P 98 20.1687 50 0.17 96
IV.SMA1.EHZ. 2019-01-28T02:36:25.98 0.1 undecidable manual S 225 2.6973 166 -0.19 98
IV.SMA1.EHZ. 2019-01-28T02:36:24.85 0.1 undecidable manual P 225 2.6973 166 0.34 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.1 0.0000623 1.02 AML other m 2019-01-28T02:36:32.69
IV.NRCA.HHE. ML:1.2 0.0000713 0.62 AML other m 2019-01-28T02:36:32.58
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