Earthquake with magnitude of ML 1.3 on date 04-02-2023 and time 23:19:00 (Italy) in region 5 km N Amatrice (RI)

A magnitude ML 1.3 earthquake occured in region: 5 km N Amatrice (RI), on

  • 04-02-2023 22:19:00 (UTC)
  • 04-02-2023 23:19:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6730, 13.3050 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Accumoli RI 5 667 3324
Arquata del Tronto AP 11 1178 4502
Cittareale RI 13 482 4984
Acquasanta Terme AP 14 2916 7900
Campotosto AQ 14 542 8442
Capitignano AQ 17 665 9107
Montereale AQ 17 2581 11688
Valle Castellana TE 17 977 12665
Cortino TE 18 656 13321
Rocca Santa Maria TE 18 537 13858
Montegallo AP 19 523 14381
Crognaleto TE 20 1297 15678

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Teramo (54892 inhabitants)
37 Km N of L'Aquila (69753 inhabitants)
55 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
78 Km W of Pescara (121014 inhabitants)
79 Km W of Chieti (51815 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
89 Km NE of Tivoli (56533 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
Bulletin
Rev1000
ML 1.3 2023-02-04
22:19:00
42.6733 13.3047 11 2024-03-01
17:18:03
Bollettino Sismico Italiano INGV 116458631
Reviewed
Rev100
ML 1.5 2023-02-04
22:19:00
42.6752 13.3022 12 2023-02-04
22:30:18
Sala Sismica INGV-Roma 114058011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-04 22:19:00 ± 0.05
Latitude 42.6733 ± 0.0027
Longitude 13.3047 ± 0.0049
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116458631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 402
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39660
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 114058011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-04 22:30:18

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 116458631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-17 13:45:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.GLNS.HNZ. 2023-02-04T22:19:43.34 3.0 undecidable manual S -0.47 0
IV.FOPC.HGZ. 2023-02-04T22:19:38.95 3.0 undecidable manual P 0
IV.FDMO.HHZ. 2023-02-04T22:19:14.98 0.6 undecidable manual S 336 44.0226 90 0.23 47
IV.MC2.EHZ. 2023-02-04T22:19:10.93 0.6 undecidable manual S 340 28.0497 90 0.44 46
7F.SIB1.EHZ. 2023-02-04T22:19:09.19 0.6 undecidable manual S 353 24.753 90 -0.41 46
7F.SIB2.EHZ. 2023-02-04T22:19:09.29 0.3 undecidable manual S 360 24.1536 91 -0.16 72
IV.LNSS.HHZ. 2023-02-04T22:19:09.15 0.3 undecidable manual S 250 22.9548 91 0.02 75
IV.TERO.HHZ. 2023-02-04T22:19:09.57 0.6 undecidable manual S 103 25.0527 90 -0.12 49
IV.MMO1.HNZ. 2023-02-04T22:19:09.63 0.6 undecidable manual S 4 25.1526 90 -0.08 49
IV.RM33.EHZ. 2023-02-04T22:19:08.14 0.6 undecidable manual S 202 19.6692 91 -0.11 50
IV.NRCA.HHZ. 2023-02-04T22:19:08.94 0.6 undecidable manual S 319 23.5542 91 -0.36 46
IV.FDMO.HHZ. 2023-02-04T22:19:08.43 0.3 undecidable manual P 336 44.0226 90 -0.32 68
7F.SIB3.EHZ. 2023-02-04T22:19:08.74 0.6 undecidable manual S 353 22.5552 91 -0.28 47
IV.CAMP.HHZ. 2023-02-04T22:19:07.40 0.3 undecidable manual S 151 17.4714 91 -0.27 73
IV.MMO1.HNZ. 2023-02-04T22:19:06.04 0.1 undecidable manual P 4 25.1526 90 0.2 97
IV.MC2.EHZ. 2023-02-04T22:19:06.62 0.3 undecidable manual P 340 28.0497 90 0.33 70
IV.LNSS.HHZ. 2023-02-04T22:19:05.55 0.1 undecidable manual P 250 22.9548 91 0.05 100
IV.TERO.HHZ. 2023-02-04T22:19:05.90 0.1 undecidable manual P 103 25.0527 90 0.07 99
7F.SIB3.EHZ. 2023-02-04T22:19:05.32 0.3 undecidable manual P 353 22.5552 91 -0.12 74
IV.NRCA.HHZ. 2023-02-04T22:19:05.58 0.1 undecidable manual P 319 23.5542 91 -0.02 100
7F.SIB1.EHZ. 2023-02-04T22:19:05.92 0.1 undecidable manual P 353 24.753 90 0.15 98
7F.SIB2.EHZ. 2023-02-04T22:19:05.79 0.3 undecidable manual P 360 24.1536 91 0.1 74
IV.MTRA.EHZ. 2023-02-04T22:19:05.79 0.6 undecidable manual S 39 11.877 110 -0.41 47
IV.MTRA.EHZ. 2023-02-04T22:19:04.05 0.1 undecidable manual P 39 11.877 110 0.24 98
IV.RM33.EHZ. 2023-02-04T22:19:04.76 0.3 undecidable manual P 202 19.6692 91 -0.24 73
IV.SMA1.EHZ. 2023-02-04T22:19:04.78 0.6 undecidable manual S 152 5.3946 146 -0.06 52
IV.CAMP.HHZ. 2023-02-04T22:19:04.75 0.1 undecidable manual P 151 17.4714 91 0.09 99
IV.SMA1.EHZ. 2023-02-04T22:19:03.44 0.3 undecidable manual P 152 5.3946 146 0.41 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.6 0.0006145972500000001 0.1408 AML other m 2023-02-04T22:19:05.13
IV.SMA1.EHE. ML:1.4 0.00041400000000000003 0.36 AML other m 2023-02-04T22:19:05.13
IV.MTRA.HNN. ML:1.5 0.00035667285 0.192 AML other m 2023-02-04T22:19:06.66
IV.MTRA.EHN. ML:1.5 0.00034394425 0.1792 AML other m 2023-02-04T22:19:06.66
IV.MTRA.HNE. ML:1.3 0.000205288235 0.2048 AML other m 2023-02-04T22:19:07.17
IV.MTRA.EHE. ML:1.3 0.00020476415000000002 0.2304 AML other m 2023-02-04T22:19:07.19
IV.LNSS.HHE. ML:1.0 0.00006360621 0.0896 AML other m 2023-02-04T22:19:10.21
IV.LNSS.HHN. ML:1.0 0.000058336159999999996 0.1792 AML other m 2023-02-04T22:19:10.09
IV.NRCA.HHN. ML:1.1 0.00008288420500000001 0.064 AML other m 2023-02-04T22:19:09.95
IV.NRCA.HHE. ML:1.1 0.00008610497 0.1024 AML other m 2023-02-04T22:19:09.38
IV.NRCA.HNE. ML:1.4 0.0001605431 1.5616 AML other m 2023-02-04T22:19:09.46
IV.TERO.HNE. ML:1.4 0.0001275983 1.4464 AML other m 2023-02-04T22:19:10.43
IV.TERO.HHN. ML:0.8 0.0000424027675 0.064 AML other m 2023-02-04T22:19:10.47
IV.TERO.HHE. ML:0.9 0.000052272125000000006 0.1536 AML other m 2023-02-04T22:19:09.82
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