Earthquake with magnitude of ML 1.2 on date 30-12-2021 and time 22:52:34 (UTC) in region 6 km NW Montereale (AQ)

A magnitude ML 1.2 earthquake occured in region: 6 km NW Montereale (AQ), on

  • 30-12-2021 22:52:34 (UTC)
  • 30-12-2021 23:52:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5670, 13.2060 at 12 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
Montereale AQ 6 2581 2581
Cittareale RI 7 482 3063
Borbona RI 8 617 3680
Capitignano AQ 9 665 4345
Amatrice RI 10 2657 7002
Posta RI 10 694 7696
Cagnano Amiterno AQ 12 1369 9065
Campotosto AQ 14 542 9607
Barete AQ 14 737 10344
Accumoli RI 15 667 11011
Pizzoli AQ 16 4326 15337
Micigliano RI 18 127 15464
Antrodoco RI 19 2588 18052
Leonessa RI 20 2435 20487

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
74 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
83 Km W of Chieti (51815 inhabitants)
83 Km W of Pescara (121014 inhabitants)
90 Km SE of Perugia (166134 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
96 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
Bulletin
Rev1000
ML 1.2 2021-12-30
22:52:34
42.5668 13.2063 12 2022-03-30
13:04:25
Bollettino Sismico Italiano INGV 99257501
Reviewed
Rev100
ML 1.2 2021-12-30
22:52:34
42.5827 13.2072 10 2021-12-30
23:03:20
Sala Sismica INGV-Roma 99173031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-30 22:52:34 ± 0.07
Latitude 42.5668 ± 0.0036
Longitude 13.2063 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99257501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 417
Semi-minor axis of confidence ellipse (meter) 101
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 338
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
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 33
Number of defining phases 29
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52430
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 99173031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-30 23:03:20

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 28
Type of magnitude ML
Reference to an origin 99257501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-03 11:57:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CDRU.HHZ. 2021-12-30T22:53:11.93 3.0 undecidable manual P -5.06 0
OT.OT11.EHZ. 2021-12-30T22:53:04.18 3.0 negative manual P -3.07 0
IV.CSP1.EHZ. 2021-12-30T22:52:52.72 0.6 undecidable manual S 360 58.1973 91 0.45 42
IV.FDMO.HHZ. 2021-12-30T22:52:51.15 0.6 undecidable manual S 350 53.0025 91 0.28 44
IV.ATFO.HHZ. 2021-12-30T22:52:50.23 3.0 undecidable manual P -1.31 0
IV.CING.HHZ. 2021-12-30T22:52:48.58 3.0 negative manual P -0.99 0
IV.MC2.EHZ. 2021-12-30T22:52:47.19 1.0 undecidable manual S 358 38.2284 91 0.26 23
IV.MMO1.EHZ. 2021-12-30T22:52:47.00 0.6 undecidable manual S 15 38.1285 91 0.09 47
IV.ARRO.EHZ. 2021-12-30T22:52:46.06 0.6 undecidable manual S 272 36.0417 91 -0.28 46
IV.FIAM.HNN. 2021-12-30T22:52:45.77 0.6 undecidable manual S 192 33.9438 92 -0.01 48
IV.NRCA.HHZ. 2021-12-30T22:52:44.53 0.3 undecidable manual S 346 30.5472 92 -0.34 68
IV.GAVE.HNZ. 2021-12-30T22:52:44.99 0.6 undecidable manual S 299 29.0487 92 0.52 43
IV.MF5.EHZ. 2021-12-30T22:52:44.00 0.3 undecidable manual P 24 51.0156 91 0.45 64
IV.TERO.HHZ. 2021-12-30T22:52:44.99 0.3 undecidable manual S 79 33.0447 92 -0.56 64
IV.CSP1.EHZ. 2021-12-30T22:52:44.73 0.3 undecidable manual P 360 58.1973 91 0.07 68
IV.FDMO.HHZ. 2021-12-30T22:52:43.98 0.3 undecidable manual P 350 53.0025 91 0.13 68
IV.MTRA.EHZ. 2021-12-30T22:52:43.25 0.3 undecidable manual S 36 26.1516 92 -0.46 66
IV.CAMP.HHE. 2021-12-30T22:52:41.93 0.6 undecidable manual S 102 16.872 98 0.68 42
IV.MC2.EHZ. 2021-12-30T22:52:41.64 0.3 undecidable manual P 358 38.2284 91 0.06 71
IV.ARRO.EHZ. 2021-12-30T22:52:41.17 0.3 undecidable manual P 272 36.0417 91 -0.06 72
IV.MMO1.EHZ. 2021-12-30T22:52:41.47 0.1 undecidable manual P 15 38.1285 91 -0.1 94
IV.NRCA.HHZ. 2021-12-30T22:52:40.28 0.1 undecidable manual P 346 30.5472 92 -0.11 95
IV.LNSS.HHZ. 2021-12-30T22:52:40.36 0.6 undecidable manual S 286 14.1747 106 -0.16 48
IV.FIAM.HNN. 2021-12-30T22:52:40.90 0.3 undecidable manual P 192 33.9438 92 -0.02 72
IV.SMA1.EHZ. 2021-12-30T22:52:40.03 0.6 undecidable manual S 56 12.6762 112 -0.12 48
IV.GAVE.HNZ. 2021-12-30T22:52:40.08 0.1 undecidable manual P 299 29.0487 92 -0.08 96
IV.TERO.HHZ. 2021-12-30T22:52:40.60 0.3 undecidable manual P 79 33.0447 92 -0.18 70
IV.MTRA.EHZ. 2021-12-30T22:52:39.53 0.1 undecidable manual P 36 26.1516 92 -0.19 94
IV.RM33.EHE. 2021-12-30T22:52:38.62 0.6 undecidable manual S 174 6.4935 142 -0.21 48
IV.CAMP.HHE. 2021-12-30T22:52:38.44 0.3 undecidable manual P 102 16.872 98 0.14 73
IV.SMA1.EHZ. 2021-12-30T22:52:37.85 0.1 positive manual P 56 12.6762 112 0.19 97
IV.RM33.EHE. 2021-12-30T22:52:37.00 0.1 undecidable manual P 174 6.4935 142 0.1 100
IV.LNSS.HHZ. 2021-12-30T22:52:37.97 0.1 undecidable manual P 286 14.1747 106 0.09 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.4 0.00027094689999999997 0.2688 AML other m 2021-12-30T22:52:40.40
IV.LNSS.HHE. ML:0.9 0.00007651098000000001 0.2944 AML other m 2021-12-30T22:52:40.70
IV.SMA1.EHE. ML:1.2 0.0001437005 0.1664 AML other m 2021-12-30T22:52:40.86
IV.LNSS.HNE. ML:1.1 0.000117571435 1.7568 AML other m 2021-12-30T22:52:41.08
IV.TERO.HNN. ML:1.6 0.00015787815 0.6016 AML other m 2021-12-30T22:52:41.54
IV.NRCA.HNN. ML:1.7 0.00020996935 0.8992 AML other m 2021-12-30T22:52:42.07
IV.LNSS.HNN. ML:1.0 0.00009395932500000002 1.5264 AML other m 2021-12-30T22:52:42.18
IV.TERO.HNE. ML:1.4 0.00009318473499999998 1.296 AML other m 2021-12-30T22:52:42.88
IV.LNSS.HHN. ML:1.0 0.00008315 1.32 AML other m 2021-12-30T22:52:42.93
IV.MTRA.HNE. ML:1.4 0.000128045575 0.8192 AML other m 2021-12-30T22:52:43.34
IV.MTRA.EHN. ML:0.7 0.000029547919999999997 0.0768 AML other m 2021-12-30T22:52:43.48
IV.MTRA.EHE. ML:1.0 0.00005925 0.1 AML other m 2021-12-30T22:52:43.46
IV.NRCA.HHN. ML:1.2 0.0000817 0.12 AML other m 2021-12-30T22:52:44.86
IV.TERO.HHN. ML:1.0 0.00004108488 0.1152 AML other m 2021-12-30T22:52:45.11
IV.NRCA.HNE. ML:1.5 0.0001368552 0.1408 AML other m 2021-12-30T22:52:45.53
IV.NRCA.HHE. ML:1.4 0.000123 0.14 AML other m 2021-12-30T22:52:45.54
IV.MTRA.HNN. ML:1.3 0.00009783068 0.6656 AML other m 2021-12-30T22:52:45.47
IV.MMO1.EHE. ML:0.8 0.000021334285 1.0624 AML other m 2021-12-30T22:52:47.65
IV.MMO1.EHN. ML:0.6 0.000015876698 0.1792 AML other m 2021-12-30T22:52:47.24
IV.MMO1.HNE. ML:3.0 0.003435451 0.9344 AML other m 2021-12-30T22:52:47.28
IV.TERO.HHE. ML:1.8 0.0002489035 0.4096 AML other m 2021-12-30T22:52:47.53
IV.MF5.EHE. ML:1.5 0.000085107805 0.5088 AML other m 2021-12-30T22:52:48.31
IV.MC2.EHE. ML:1.0 0.000034006565000000005 0.2048 AML other m 2021-12-30T22:52:48.13
IV.MC2.EHN. ML:1.2 0.000060083460000000006 0.2176 AML other m 2021-12-30T22:52:48.86
IV.MMO1.HNN. ML:3.1 0.0048747865 0.4864 AML other m 2021-12-30T22:52:49.69
IV.FDMO.HHN. ML:0.6 0.0000110701665 0.1664 AML other m 2021-12-30T22:52:52.08
IV.MF5.EHN. ML:1.1 0.000032824474999999995 0.5792 AML other m 2021-12-30T22:52:58.21
IV.FDMO.HHE. ML:0.8 0.0000157467025 0.5792 AML other m 2021-12-30T22:53:07.18
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