Earthquake with magnitude of ML 1.9 on date 02-12-2023 and time 00:00:04 (UTC) in region 5 km SW Amatrice (RI)

A magnitude ML 1.9 earthquake occured in region: 5 km SW Amatrice (RI), on

  • 02-12-2023 00:00:04 (UTC)
  • 02-12-2023 01:00:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5880, 13.2630 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 5 2657 2657
Montereale AQ 7 2581 5238
Capitignano AQ 8 665 5903
Cittareale RI 9 482 6385
Campotosto AQ 9 542 6927
Accumoli RI 12 667 7594
Borbona RI 14 617 8211
Cagnano Amiterno AQ 15 1369 9580
Barete AQ 15 737 10317
Posta RI 15 694 11011
Pizzoli AQ 17 4326 15337
Crognaleto TE 18 1297 16634

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of L'Aquila (69753 inhabitants)
37 Km W of Teramo (54892 inhabitants)
51 Km E of Terni (111501 inhabitants)
61 Km SE of Foligno (57155 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
79 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km W of Chieti (51815 inhabitants)
79 Km W of Pescara (121014 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
92 Km SE of Perugia (166134 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
100 Km NE of Roma (2864731 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 1.9 2023-12-02
00:00:04
42.5875 13.2632 14 2023-12-02
00:09:42
Sala Sismica INGV-Roma 123652251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-02 00:00:04 ± 0.07
Latitude 42.5875 ± 0.0036
Longitude 13.2632 ± 0.0024
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 123652251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 316
Semi-minor axis of confidence ellipse (meter) 226
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 16
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36602
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 123652251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-02 00:09:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GRIS.EHZ. 2023-12-02T00:01:58.07 3.0 undecidable manual Sg 11.81 0
ST.GAGG.HHZ. 2023-12-02T00:01:58.87 3.0 undecidable manual Sg 9.12 0
ST.RONC.EHZ. 2023-12-02T00:01:44.02 3.0 undecidable manual Sn -6.25 0
GU.RSP.HHZ. 2023-12-02T00:01:30.06 3.0 undecidable manual Pg 9.57 0
IV.SERS.HHZ. 2023-12-02T00:01:19.19 3.0 undecidable manual Pg 4.26 0
IV.PAOL.HNZ. 2023-12-02T00:01:08.56 3.0 undecidable manual Sg 1.73 0
IV.SGRT.HHZ. 2023-12-02T00:01:06.21 3.0 undecidable manual Sn -4.13 0
IV.BSSO.HHZ. 2023-12-02T00:00:56.86 3.0 undecidable manual Sg 0.01 0
IV.SIRI.HHZ. 2023-12-02T00:00:54.95 3.0 positive manual Pn -2.13 0
IV.SFI.EHZ. 2023-12-02T00:00:53.90 3.0 undecidable manual Sg -2.56 0
IV.MRB1.HHZ. 2023-12-02T00:00:42.77 3.0 undecidable manual Pg 1.64 0
IV.BARO.EHZ. 2023-12-02T00:00:39.04 3.0 undecidable manual S -2.43 0
IV.MPAG.EHZ. 2023-12-02T00:00:23.96 3.0 undecidable manual P -1.25 0
IV.ARRO.EHZ. 2023-12-02T00:00:18.23 0.3 undecidable manual S 269 40.626 96 0.22 69
IV.FIAM.HHZ. 2023-12-02T00:00:17.15 0.3 undecidable manual S 199 37.4292 96 0 71
IV.GIGS.HHZ. 2023-12-02T00:00:14.84 0.6 undecidable manual S 120 29.3484 99 -0.19 47
IV.TERO.HHZ. 2023-12-02T00:00:14.56 0.6 undecidable manual S 82 28.0497 100 -0.13 47
IV.NRCA.HHZ. 2023-12-02T00:00:14.98 0.3 undecidable manual S 336 29.8479 99 -0.18 71
IV.ARRO.EHZ. 2023-12-02T00:00:12.34 0.6 negative manual P 269 40.626 96 -0.03 47
IV.LNSS.HHZ. 2023-12-02T00:00:11.95 0.6 undecidable manual S 275 18.2706 111 -0.21 48
IV.FIAM.HHZ. 2023-12-02T00:00:11.93 1.0 positive manual P 199 37.4292 96 0.05 24
IV.TERO.HHZ. 2023-12-02T00:00:10.52 0.1 undecidable manual P 82 28.0497 100 0.07 97
IV.NRCA.HHZ. 2023-12-02T00:00:10.64 0.1 undecidable manual P 336 29.8479 99 -0.09 96
IV.CSP1.EHZ. 2023-12-02T00:00:10.38 3.0 undecidable manual P -2.94 0
IV.CAMP.HHZ. 2023-12-02T00:00:10.96 0.6 undecidable manual S 116 13.1757 124 0 50
IV.GIGS.HHZ. 2023-12-02T00:00:10.71 1.0 undecidable manual P 120 29.3484 99 0.06 24
IV.RM33.EHZ. 2023-12-02T00:00:09.92 0.6 undecidable manual S 205 9.5793 136 -0.29 48
IV.LNSS.HHZ. 2023-12-02T00:00:09.02 0.1 undecidable manual P 275 18.2706 111 0.03 99
IV.SMA1.EHZ. 2023-12-02T00:00:09.81 0.6 undecidable manual S 51 7.5813 144 -0.06 51
IV.CAMP.HHZ. 2023-12-02T00:00:08.67 1.0 undecidable manual P 116 13.1757 124 0.37 23
IV.RM33.EHZ. 2023-12-02T00:00:07.92 0.1 undecidable manual P 205 9.5793 136 0.05 100
IV.SMA1.EHZ. 2023-12-02T00:00:07.93 0.1 positive manual P 51 7.5813 144 0.26 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:2.1 0.0012799999999999999 1.56 AML other m 2023-12-02T00:00:09.94
IV.RM33.HNN. ML:2.1 0.001365 1.58 AML other m 2023-12-02T00:00:09.94
IV.RM33.HNE. ML:2.2 0.0016099999999999999 0.3 AML other m 2023-12-02T00:00:10.18
IV.SMA1.EHN. ML:2.1 0.0013199999999999998 1.72 AML other m 2023-12-02T00:00:10.03
IV.RM33.EHE. ML:2.2 0.0016099999999999999 0.3 AML other m 2023-12-02T00:00:10.18
IV.CAMP.HHE. ML:1.2 0.00013585 0.42 AML other m 2023-12-02T00:00:10.04
IV.SMA1.EHE. ML:1.9 0.000963 0.2 AML other m 2023-12-02T00:00:10.41
IV.LNSS.HHN. ML:1.6 0.0003045 0.14 AML other m 2023-12-02T00:00:12.00
IV.LNSS.HHE. ML:1.7 0.0003855 0.88 AML other m 2023-12-02T00:00:12.84
IV.NRCA.HHE. ML:1.9 0.00033899999999999995 0.14 AML other m 2023-12-02T00:00:15.13
IV.NRCA.HHN. ML:1.6 0.000203 0.12 AML other m 2023-12-02T00:00:15.20
IV.CAMP.HHN. ML:1.0 0.00009815 0.52 AML other m 2023-12-02T00:00:15.11
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