Earthquake with magnitude of ML 1.2 on date 08-12-2023 and time 01:49:26 (Italy) in region 1 km SE Amatrice (RI)

A magnitude ML 1.2 earthquake occured in region: 1 km SE Amatrice (RI), on

  • 08-12-2023 00:49:26 (UTC)
  • 08-12-2023 01:49:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6200, 13.2980 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 1 2657 2657
Campotosto AQ 9 542 3199
Accumoli RI 9 667 3866
Capitignano AQ 11 665 4531
Cittareale RI 11 482 5013
Montereale AQ 11 2581 7594
Crognaleto TE 17 1297 8891
Arquata del Tronto AP 17 1178 10069
Cortino TE 17 656 10725
Borbona RI 18 617 11342
Barete AQ 19 737 12079
Cagnano Amiterno AQ 19 1369 13448
Acquasanta Terme AP 19 2916 16364
Posta RI 20 694 17058

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km N of L'Aquila (69753 inhabitants)
34 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
61 Km SE of Foligno (57155 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
77 Km W of Pescara (121014 inhabitants)
77 Km W of Chieti (51815 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
92 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 1.2 2023-12-08
00:49:26
42.6197 13.2982 12 2023-12-08
00:57:11
Sala Sismica INGV-Roma 123884601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-08 00:49:26 ± 0.04
Latitude 42.6197 ± 0.0027
Longitude 13.2982 ± 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 123884601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 328
Semi-minor axis of confidence ellipse (meter) 195
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 36
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39390
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 123884601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-08 00:57:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FAGN.HHZ. 2023-12-08T00:49:41.46 3.0 undecidable manual S -0.11 0
IV.MMO1.EHZ. 2023-12-08T00:49:37.07 0.3 undecidable manual S 4 31.1466 93 0.22 70
IV.GIGS.HHZ. 2023-12-08T00:49:36.16 0.3 undecidable manual S 129 29.0487 93 -0.15 71
IV.TERO.HNZ. 2023-12-08T00:49:35.04 0.3 undecidable manual S 89 24.9528 94 -0.17 71
IV.MF5.EHZ. 2023-12-08T00:49:35.17 3.0 undecidable manual P 0.89 0
IV.NRCA.HHZ. 2023-12-08T00:49:35.74 0.3 undecidable manual S 328 28.0497 93 -0.3 69
IV.CSP1.EHZ. 2023-12-08T00:49:35.64 3.0 undecidable manual P -0.29 0
IV.ARRO.EHZ. 2023-12-08T00:49:34.13 0.1 undecidable manual P 264 43.7229 91 -0.11 93
IV.LNSS.HHZ. 2023-12-08T00:49:34.11 0.3 undecidable manual S 265 21.1677 96 -0.08 73
IV.MMO1.EHZ. 2023-12-08T00:49:32.49 0.1 undecidable manual P 4 31.1466 93 0.19 94
IV.CAMP.HHZ. 2023-12-08T00:49:32.08 0.3 undecidable manual S 136 12.9759 113 0.01 75
IV.RM33.EHZ. 2023-12-08T00:49:32.30 0.3 undecidable manual S 209 14.0748 109 -0.04 74
IV.GIGS.HHZ. 2023-12-08T00:49:31.98 0.6 undecidable manual P 129 29.0487 93 -0.01 49
IV.TERO.HNZ. 2023-12-08T00:49:31.35 0.1 undecidable manual P 89 24.9528 94 0 98
IV.NRCA.HHZ. 2023-12-08T00:49:31.78 0.1 positive manual P 328 28.0497 93 -0.05 97
IV.SMA1.EHZ. 2023-12-08T00:49:30.21 0.1 undecidable manual S 68 3.2967 160 -0.08 100
IV.LNSS.HHZ. 2023-12-08T00:49:30.80 0.1 positive manual P 265 21.1677 96 0.03 98
IV.RM33.EHZ. 2023-12-08T00:49:29.86 0.6 negative manual P 209 14.0748 109 0.17 48
IV.CAMP.HHZ. 2023-12-08T00:49:29.69 0.3 undecidable manual P 136 12.9759 113 0.15 73
IV.SMA1.EHZ. 2023-12-08T00:49:28.74 0.1 negative manual P 68 3.2967 160 0.23 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.6 0.0005600000000000001 0.26 AML other m 2023-12-08T00:49:30.70
IV.SMA1.EHN. ML:1.3 0.000306 0.3 AML other m 2023-12-08T00:49:30.60
IV.RM33.EHE. ML:1.2 0.00016249999999999997 0.7 AML other m 2023-12-08T00:49:32.74
IV.RM33.EHN. ML:1.2 0.0001495 0.3 AML other m 2023-12-08T00:49:32.57
IV.CAMP.HHE. ML:0.7 0.0000524 0.88 AML other m 2023-12-08T00:49:32.10
IV.CAMP.HHN. ML:0.6 0.00003925 0.22 AML other m 2023-12-08T00:49:33.47
IV.NRCA.HHE. ML:1.2 0.00008669999999999999 0.24 AML other m 2023-12-08T00:49:36.17
IV.NRCA.HHN. ML:1.0 0.00005098601 0.5 AML other m 2023-12-08T00:49:36.06
IV.RM33.HNE. ML:1.3 0.000186746325 0.23 AML other m 2023-12-08T00:49:32.73
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