Earthquake with magnitude of ML 0.7 on date 12-04-2023 and time 22:19:55 (UTC) in region 5 km E Amatrice (RI)

A magnitude ML 0.7 earthquake occured in region: 5 km E Amatrice (RI), on

  • 12-04-2023 22:19:55 (UTC)
  • 13-04-2023 00:19:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6210, 13.3510 at 12 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 5 2657 2657
Campotosto AQ 7 542 3199
Capitignano AQ 12 665 3864
Accumoli RI 12 667 4531
Cortino TE 13 656 5187
Crognaleto TE 13 1297 6484
Montereale AQ 14 2581 9065
Cittareale RI 16 482 9547
Rocca Santa Maria TE 16 537 10084
Fano Adriano TE 17 296 10380
Acquasanta Terme AP 17 2916 13296
Valle Castellana TE 18 977 14273
Arquata del Tronto AP 18 1178 15451
Barete AQ 20 737 16188
Pietracamela TE 20 271 16459

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km W of Teramo (54892 inhabitants)
30 Km N of L'Aquila (69753 inhabitants)
58 Km E of Terni (111501 inhabitants)
65 Km SE of Foligno (57155 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
73 Km W of Pescara (121014 inhabitants)
73 Km W of Chieti (51815 inhabitants)
86 Km NE of Tivoli (56533 inhabitants)
86 Km NE of Guidonia Montecelio (88673 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 0.7 2023-04-12
22:19:55
42.6207 13.3512 12 2023-04-12
22:39:00
Sala Sismica INGV-Roma 116323051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-12 22:19:55 ± 0.07
Latitude 42.6207 ± 0.0036
Longitude 13.3512 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116323051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 375
Semi-minor axis of confidence ellipse (meter) 196
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 52
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.01529
Epicentral distance of station farthest from the epicenter (degree) 0.50452
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.4
Num. used stations 15
Type of magnitude ML
Reference to an origin 116323051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-12 22:39:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2023-04-12T22:20:13.31 0.3 undecidable manual S 320 55.9995 91 0.39 65
IV.CSP1.EHZ. 2023-04-12T22:20:12.45 0.3 undecidable manual S 347 53.6019 91 0.18 68
IV.FDMO.HHN. 2023-04-12T22:20:11.63 0.3 undecidable manual S 335 50.9157 91 0.08 70
IV.MF5.EHE. 2023-04-12T22:20:09.93 0.3 undecidable manual S 12 41.7249 91 0.84 58
IV.GAVE.EHN. 2023-04-12T22:20:08.00 0.3 undecidable manual S 282 38.1285 91 -0.14 70
IV.MMO1.EHZ. 2023-04-12T22:20:06.16 0.3 undecidable manual S 356 30.9468 92 -0.08 71
7F.SIB1.EHE. 2023-04-12T22:20:06.37 0.3 undecidable manual S 348 31.1466 92 0.09 72
IV.NRCA.HHZ. 2023-04-12T22:20:05.77 0.3 undecidable manual S 321 30.5472 92 -0.34 68
IV.CESI.HHZ. 2023-04-12T22:20:05.35 0.3 undecidable manual P 320 55.9995 91 -0.21 67
7F.SIB2.EHE. 2023-04-12T22:20:05.80 0.3 undecidable manual S 353 30.2475 92 -0.25 69
IV.CSP1.EHZ. 2023-04-12T22:20:05.24 0.1 negative manual P 347 53.6019 91 0.05 93
IV.FDMO.HHN. 2023-04-12T22:20:04.60 0.1 undecidable manual P 335 50.9157 91 -0.17 90
IV.GIGS.HHN. 2023-04-12T22:20:04.64 0.3 undecidable manual S 136 25.9518 92 -0.25 70
IV.LNSS.HHZ. 2023-04-12T22:20:04.64 0.3 undecidable manual S 266 25.4523 92 -0.12 72
IV.TERO.HHZ. 2023-04-12T22:20:03.14 0.3 undecidable manual S 89 20.6682 94 -0.34 69
IV.MF5.EHE. 2023-04-12T22:20:03.87 0.1 undecidable manual P 12 41.7249 91 0.52 87
IV.RM33.EHZ. 2023-04-12T22:20:02.34 0.3 undecidable manual S 222 16.6722 98 -0.08 74
IV.GAVE.EHN. 2023-04-12T22:20:02.76 0.1 positive manual P 282 38.1285 91 -0.04 95
7F.SIB1.EHE. 2023-04-12T22:20:01.67 0.1 undecidable manual P 348 31.1466 92 -0.05 96
IV.NRCA.HHZ. 2023-04-12T22:20:01.57 0.1 negative manual P 321 30.5472 92 -0.06 96
IV.MMO1.EHZ. 2023-04-12T22:20:01.63 0.1 undecidable manual P 356 30.9468 92 -0.07 95
IV.MTRA.EHE. 2023-04-12T22:20:01.78 0.3 undecidable manual S 14 15.5733 101 -0.35 69
7F.SIB2.EHE. 2023-04-12T22:20:01.54 0.1 negative manual P 353 30.2475 92 -0.05 96
IV.GIGS.HHN. 2023-04-12T22:20:01.01 0.1 undecidable manual P 136 25.9518 92 0.08 97
IV.LNSS.HHZ. 2023-04-12T22:20:00.91 0.1 positive manual P 266 25.4523 92 0.06 98
IV.CAMP.HHZ. 2023-04-12T22:20:00.81 0.3 undecidable manual S 153 10.4784 121 -0.07 75
IV.TERO.HHZ. 2023-04-12T22:20:00.17 0.1 positive manual P 89 20.6682 94 0.06 99
IV.SMA1.EHZ. 2023-04-12T22:19:59.40 0.3 undecidable manual S 310 1.6983 169 -0.14 76
IV.MTRA.EHE. 2023-04-12T22:19:59.36 0.1 undecidable manual P 14 15.5733 101 0.03 100
IV.RM33.EHZ. 2023-04-12T22:19:59.73 0.1 undecidable manual P 222 16.6722 98 0.23 95
IV.CAMP.HHZ. 2023-04-12T22:19:58.87 0.1 negative manual P 153 10.4784 121 0.26 96
IV.SMA1.EHZ. 2023-04-12T22:19:57.98 0.1 positive manual P 310 1.6983 169 0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:0.6 0.0000642 0.08 AML other m 2023-04-12T22:19:59.74
IV.SMA1.EHE. ML:0.6 0.00006080000000000001 1.36 AML other m 2023-04-12T22:20:00.78
IV.RM33.EHE. ML:0.9 0.00006155 0.16 AML other m 2023-04-12T22:20:02.65
IV.RM33.EHN. ML:0.9 0.000060700000000000005 0.5 AML other m 2023-04-12T22:20:02.62
IV.TERO.HHN. ML:0.3 0.0000159 0.8 AML other m 2023-04-12T22:20:04.07
IV.TERO.HHE. ML:0.5 0.0000224 0.52 AML other m 2023-04-12T22:20:04.54
IV.NRCA.HHE. ML:1.3 0.00010145 0.08 AML other m 2023-04-12T22:20:06.13
IV.NRCA.HHN. ML:1.2 0.0000691 0.1 AML other m 2023-04-12T22:20:06.12
IV.RM33.HNE. ML:1.2 0.00013709749999999999 0.8576 AML other m 2023-04-12T22:20:07.75
IV.RM33.HNN. ML:1.1 0.00011066090000000001 0.5632 AML other m 2023-04-12T22:20:07.43
IV.LNSS.HHE. ML:0.6 0.00001838462 0.1408 AML other m 2023-04-12T22:20:05.41
IV.LNSS.HHN. ML:0.4 0.000013621785000000001 0.128 AML other m 2023-04-12T22:20:05.35
IV.NRCA.HNE. ML:1.4 0.00010945345 0.6144 AML other m 2023-04-12T22:20:14.36
IV.MMO1.EHE. ML:0.0 0.000006277724 0.128 AML other m 2023-04-12T22:20:07.54
IV.MMO1.EHN. ML:0.3 0.0000075022800000000004 0.1408 AML other m 2023-04-12T22:20:07.10
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