Earthquake with magnitude of ML 0.8 on date 13-04-2023 and time 15:12:47 (UTC) in region 6 km E Amatrice (RI)

A magnitude ML 0.8 earthquake occured in region: 6 km E Amatrice (RI), on

  • 13-04-2023 15:12:47 (UTC)
  • 13-04-2023 17:12:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6400, 13.3580 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 9 542 3199
Accumoli RI 11 667 3866
Cortino TE 13 656 4522
Capitignano AQ 14 665 5187
Crognaleto TE 14 1297 6484
Rocca Santa Maria TE 15 537 7021
Acquasanta Terme AP 15 2916 9937
Valle Castellana TE 16 977 10914
Arquata del Tronto AP 16 1178 12092
Montereale AQ 16 2581 14673
Cittareale RI 16 482 15155
Fano Adriano TE 18 296 15451

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km W of Teramo (54892 inhabitants)
32 Km N of L'Aquila (69753 inhabitants)
59 Km E of Terni (111501 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
73 Km W of Pescara (121014 inhabitants)
74 Km W of Chieti (51815 inhabitants)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
88 Km NE of Tivoli (56533 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 0.8 2023-04-13
15:12:47
42.6398 13.3578 11 2023-04-13
18:54:39
Sala Sismica INGV-Roma 116353781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-13 15:12:47 ± 0.24
Latitude 42.6398 ± 0.0180
Longitude 13.3578 ± 0.0269
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 116353781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2618
Semi-minor axis of confidence ellipse (meter) 1224
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 2620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 183
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26350
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 116353781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-13 18:54:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2023-04-13T15:14:23.64 3.0 undecidable manual Sn -2.59 0
IV.ACATE.EHZ. 2023-04-13T15:14:20.39 3.0 negative manual Pg 22.610001 0
IV.SALB.HHZ. 2023-04-13T15:14:16.18 3.0 undecidable manual Sn 0.4 0
ZO.PDN2.EHZ. 2023-04-13T15:14:06.34 3.0 undecidable manual Sg 0.94 0
IV.AGLI.HHZ. 2023-04-13T15:13:56.91 3.0 undecidable manual Sn -0.7 0
IV.SPS2.HHZ. 2023-04-13T15:13:54.21 3.0 negative manual Pg 15.89 0
IV.MCRV.HHZ. 2023-04-13T15:13:42.49 3.0 undecidable manual Sn -2.41 0
IV.NRCA.HHZ. 2023-04-13T15:12:57.41 0.6 undecidable manual S 317 29.2485 50 -0.25 46
IV.GIGS.HHZ. 2023-04-13T15:12:56.37 0.6 undecidable manual S 140 27.1506 50 -0.74 40
IV.RM33.EHZ. 2023-04-13T15:12:54.06 0.6 undecidable manual S 219 18.6702 119 -0.66 42
IV.GIGS.HHZ. 2023-04-13T15:12:53.50 0.1 undecidable manual P 140 27.1506 50 0.55 86
IV.NRCA.HHZ. 2023-04-13T15:12:53.10 0.1 undecidable manual P 317 29.2485 50 -0.17 94
IV.RM33.EHZ. 2023-04-13T15:12:52.37 0.1 undecidable manual P 219 18.6702 119 0.8 79
IV.CAMP.HHZ. 2023-04-13T15:12:52.48 0.6 undecidable manual S 160 12.2766 131 -0.42 46
IV.SACS.HHZ. 2023-04-13T15:12:51.60 3.0 undecidable manual P -1.05 0
IV.MURB.HHZ. 2023-04-13T15:12:51.00 3.0 positive manual P -2.57 0
IV.CAMP.HHZ. 2023-04-13T15:12:50.47 0.1 undecidable manual P 160 12.2766 131 -0.06 99
IV.SMA1.EHZ. 2023-04-13T15:12:50.80 0.6 undecidable manual S 240 2.0979 169 -0.21 49
IV.SMA1.EHZ. 2023-04-13T15:12:49.54 0.1 undecidable manual P 240 2.0979 169 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:0.5 0.000050789305 0 AML other m 2023-04-13T15:12:51.79
IV.SMA1.EHN. ML:0.4 0.0000461364125 0.2304 AML other m 2023-04-13T15:12:51.19
IV.RM33.EHE. ML:0.8 0.000045234055 0.2432 AML other m 2023-04-13T15:12:54.21
IV.RM33.EHN. ML:0.8 0.000042808675 0.2688 AML other m 2023-04-13T15:12:54.31
IV.NRCA.HHE. ML:1.1 0.000062020405 0.0768 AML other m 2023-04-13T15:12:57.59
IV.NRCA.HHN. ML:1.2 0.00006997187499999998 0.1536 AML other m 2023-04-13T15:12:57.57
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