Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 28-06-2014 and time 00:56:49 (UTC) in region 1 km S Amatrice (RI)

A magnitude ML 0.4 earthquake occured in region: 1 km S Amatrice (RI), on

  • 28-06-2014 00:56:49 (UTC)
  • 28-06-2014 02:56:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6220, 13.2870 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 1 2657 2657
Accumoli RI 9 667 3324
Campotosto AQ 10 542 3866
Cittareale RI 10 482 4348
Capitignano AQ 11 665 5013
Montereale AQ 11 2581 7594
Arquata del Tronto AP 17 1178 8772
Borbona RI 17 617 9389
Crognaleto TE 18 1297 10686
Cortino TE 18 656 11342
Cagnano Amiterno AQ 19 1369 12711
Barete AQ 19 737 13448
Posta RI 19 694 14142
Acquasanta Terme AP 19 2916 17058

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of L'Aquila (69753 inhabitants)
35 Km W of Teramo (54892 inhabitants)
53 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
78 Km W of Pescara (121014 inhabitants)
78 Km W of Chieti (51815 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
91 Km SE of Perugia (166134 inhabitants)
99 Km E of Viterbo (67173 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 0.4 2014-06-28
00:56:49		 42.6222 13.2867 13 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 6968171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-06-28 00:56:49 ± 0.09
Latitude 42.6222 ± 0.0099
Longitude 13.2867 ± 0.0061
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 6968171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1128
Semi-minor axis of confidence ellipse (meter) 365
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 162
Circular confidence region, given by single value of horizontal uncertainty (meter) 1130.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 173
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23292
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 6968171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-06-28 01:01:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERT.HHZ. 2014-06-28T00:57:05.47 3.0 undecidable manual P 0.05 0
IV.TERO.HHZ. 2014-06-28T00:56:58.50 0.3 undecidable manual S 90 25.8519 98 -0.18 72
IV.LNSS.HHZ. 2014-06-28T00:56:57.05 0.3 undecidable manual S 264 20.2686 103 -0.14 73
IV.RM33.EHZ. 2014-06-28T00:56:55.47 0.3 undecidable manual S 205 13.875 117 -0.12 75
IV.TERO.HHZ. 2014-06-28T00:56:54.76 0.1 undecidable manual P 90 25.8519 98 0.05 99
IV.RM33.EHZ. 2014-06-28T00:56:53.08 0.1 undecidable manual P 205 13.875 117 0.16 99
IV.LNSS.HHZ. 2014-06-28T00:56:53.89 0.1 undecidable manual P 264 20.2686 103 0.04 100
IV.SMA1.EHZ. 2014-06-28T00:56:53.64 0.3 undecidable manual S 77 4.0959 158 -0.15 75
IV.SMA1.EHZ. 2014-06-28T00:56:52.08 0.1 undecidable manual P 77 4.0959 158 0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:0.5 0.000018 0.4 AML other m 2014-06-28T00:56:57.90
IV.LNSS.HHN. ML:0.5 0.0000196 0.34 AML other m 2014-06-28T00:56:58.37
IV.RM33.EHN. ML:0.6 0.00003835 0.12 AML other m 2014-06-28T00:56:55.87
IV.RM33.EHE. ML:0.7 0.0000488 0.78 AML other m 2014-06-28T00:56:55.72
IV.TERO.HHE. ML:0.0 0.00000601 1.1 AML other m 2014-06-28T00:56:59.29
IV.TERO.HHN. ML:0.0 0.000005945000000000001 0.18 AML other m 2014-06-28T00:56:59.97
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