Earthquake with magnitude of ML 0.9 on date 10-04-2023 and time 06:49:54 (UTC) in region 3 km E Amatrice (RI)

A magnitude ML 0.9 earthquake occured in region: 3 km E Amatrice (RI), on

  • 10-04-2023 06:49:54 (UTC)
  • 10-04-2023 08:49:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6200, 13.3220 at 14 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 3 2657 2657
Campotosto AQ 8 542 3199
Accumoli RI 10 667 3866
Capitignano AQ 11 665 4531
Montereale AQ 12 2581 7112
Cittareale RI 13 482 7594
Crognaleto TE 15 1297 8891
Cortino TE 15 656 9547
Arquata del Tronto AP 17 1178 10725
Acquasanta Terme AP 18 2916 13641
Rocca Santa Maria TE 18 537 14178
Barete AQ 19 737 14915
Fano Adriano TE 19 296 15211
Valle Castellana TE 19 977 16188
Borbona RI 20 617 16805
Cagnano Amiterno AQ 20 1369 18174

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km N of L'Aquila (69753 inhabitants)
32 Km W of Teramo (54892 inhabitants)
56 Km E of Terni (111501 inhabitants)
63 Km SE of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
75 Km W of Pescara (121014 inhabitants)
76 Km W of Chieti (51815 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
93 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 0.9 2023-04-10
06:49:54
42.6205 13.3222 14 2023-04-10
06:56:53
Sala Sismica INGV-Roma 116234611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-10 06:49:54 ± 0.08
Latitude 42.6205 ± 0.0045
Longitude 13.3222 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116234611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 454
Semi-minor axis of confidence ellipse (meter) 243
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 18
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) 80
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.01349
Epicentral distance of station farthest from the epicenter (degree) 0.26170
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:0.9

Field Value
Value 0.9
Uncertainty 0.4
Num. used stations 20
Type of magnitude ML
Reference to an origin 116234611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-10 06:56:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-04-10T06:50:04.26 0.6 undecidable manual S 324 29.0487 100 -0.06 48
IV.TERO.HHZ. 2023-04-10T06:50:02.56 0.6 undecidable manual S 89 22.9548 105 -0.18 47
IV.LNSS.HHZ. 2023-04-10T06:50:02.68 0.6 undecidable manual S 265 23.0547 105 -0.08 49
IV.RM33.EHZ. 2023-04-10T06:50:00.56 0.6 undecidable manual S 215 15.1737 119 -0.23 49
IV.LNSS.HHZ. 2023-04-10T06:49:59.10 1.0 undecidable manual P 265 23.0547 105 0.03 25
IV.CAMP.HHZ. 2023-04-10T06:49:59.93 0.6 undecidable manual S 143 11.7771 129 -0.11 50
IV.TERO.HHZ. 2023-04-10T06:49:59.12 1.0 undecidable manual P 89 22.9548 105 0.06 25
IV.NRCA.HHZ. 2023-04-10T06:49:59.96 1.0 negative manual P 324 29.0487 100 -0.01 24
IV.SMA1.EHZ. 2023-04-10T06:49:58.56 0.6 undecidable manual S 44 1.4985 172 -0.11 51
IV.RM33.EHZ. 2023-04-10T06:49:58.14 0.6 positive manual P 215 15.1737 119 0.2 48
IV.CAMP.HHZ. 2023-04-10T06:49:57.69 0.6 undecidable manual P 143 11.7771 129 0.19 49
IV.SMA1.EHZ. 2023-04-10T06:49:56.84 0.1 undecidable manual P 44 1.4985 172 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.0 0.000049600000000000006 0.72 AML other m 2023-04-10T06:50:04.44
IV.NRCA.HHN. ML:0.7 0.000024960759999999997 0.7808 AML other m 2023-04-10T06:50:13.66
IV.SMA1.EHE. ML:0.6 0.00005616911 0.2016 AML other m 2023-04-10T06:49:59.39
IV.SMA1.EHN. ML:0.5 0.000037943655 0.1184 AML other m 2023-04-10T06:49:58.61
IV.CAMP.HHE. ML:0.7 0.00004442716 1.2768 AML other m 2023-04-10T06:49:59.48
IV.CAMP.HHN. ML:0.5 0.000029284989999999998 0.8992 AML other m 2023-04-10T06:49:59.19
IV.RM33.HNE. ML:1.1 0.00009470188 0.7808 AML other m 2023-04-10T06:50:00.19
IV.RM33.HNN. ML:1.2 0.00013149175 0.9696 AML other m 2023-04-10T06:50:00.50
IV.RM33.EHE. ML:0.6 0.000029144035 0.88 AML other m 2023-04-10T06:50:05.15
IV.RM33.EHN. ML:0.6 0.000034868295 0.1184 AML other m 2023-04-10T06:50:01.12
IV.LNSS.HNE. ML:1.3 0.00012229069 0.6592 AML other m 2023-04-10T06:50:08.05
IV.LNSS.HNN. ML:1.5 0.000187711 1.0592 AML other m 2023-04-10T06:49:59.16
IV.LNSS.HHE. ML:0.4 0.000015121545 0.1216 AML other m 2023-04-10T06:50:03.80
IV.LNSS.HHN. ML:0.6 0.00002545085 0.8 AML other m 2023-04-10T06:50:09.00
IV.TERO.HHE. ML:1.6 0.000215111 0.2208 AML other m 2023-04-10T06:50:07.47
IV.TERO.HHN. ML:0.5 0.000019755085 0.5216 AML other m 2023-04-10T06:50:09.25
IV.TERO.HNE. ML:1.3 0.000115691015 0.7904 AML other m 2023-04-10T06:50:08.77
IV.TERO.HNN. ML:1.5 0.000181160745 0.96 AML other m 2023-04-10T06:50:09.51
IV.NRCA.HNE. ML:1.3 0.000089315035 0.56 AML other m 2023-04-10T06:50:08.63
IV.NRCA.HNN. ML:1.6 0.0002120487 0.992 AML other m 2023-04-10T06:50:01.59
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