Earthquake with magnitude of ML 2.2 on date 28-12-2020 and time 14:06:48 (Italy) in region 6 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 2.2 earthquake occured in region: 6 km SE Castelsantangelo sul Nera (MC), on

  • 28-12-2020 13:06:48 (UTC)
  • 28-12-2020 14:06:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.847, 13.196 at 9 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
Castelsantangelo sul Nera MC 6 281 281
Norcia PG 10 4957 5238
Montegallo AP 11 523 5761
Arquata del Tronto AP 12 1178 6939
Ussita MC 12 444 7383
Montemonaco AP 12 604 7987
Visso MC 13 1107 9094
Preci PG 13 724 9818
Montefortino FM 16 1178 10996
Bolognola MC 17 142 11138
Accumoli RI 17 667 11805
Acquasanta Terme AP 20 2916 14721
Amandola FM 20 3629 18350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
55 Km NE of Terni (111501 inhabitants)
58 Km N of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
94 Km W of Pescara (121014 inhabitants)
97 Km NW of Chieti (51815 inhabitants)
Recent and historical seismicity

These maps show the seismicity for different time windows. The earthquake locations reported in these maps are determined in quasi real-time by the personnel on duty in the seismic surveillance center of INGV in Rome. Note that the earthquake source parameters (hypocentral location and magnitude) are the best estimates obstained with the available data and they are adjourned as additional data become available. The source parameters obtained by the personnel on duty are then revised by the group in charge of the INGV Seismic Bulletin (Bollettino Sismico Italiano dell’INGV).

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event *

This map reports the earthquake epicenters located in the 72 hours (3 days) preceding the time of the current earthquake occurrence, using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radius of the circle representing the earthquake on the map scales with magnitude. The color depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours). The open star shows the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event *

This map reports the Magnitudo ≥ 1.0 earthquake epicenters located in the 90 days preceding the time of the current earthquake occurrence, using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event *

This map reports the Magnitudo ≥ 2.5 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019 *

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version https://emidius.mi.ingv.it/CPTI15-DBMI15/) with estimated magnitude ≥ 5.0 since 1000 AD until 2014. The epicenters are represented by squares which sides scale with the estimated earthquake magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The open star shows the epicenter of the current earthquake.
Seismic hazard
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire *

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 2.2 2020-12-28
13:06:48
42.8473 13.1955 9 2021-02-26
14:56:15
Bollettino Sismico Italiano INGV 86355131
Reviewed
Rev100
ML 2.2 2020-12-28
13:06:48
42.8493 13.1998 10 2020-12-28
13:19:22
Sala Sismica INGV-Roma 85793281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-28 13:06:48 ± 0.05
Latitude 42.8473 ± 0.0027
Longitude 13.1955 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86355131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 270
Semi-minor axis of confidence ellipse (meter) 201
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 49
Circular confidence region, given by single value of horizontal uncertainty (meter) 270
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.06115
Epicentral distance of station farthest from the epicenter (degree) 0.54859
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 86355131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-27 17:14:25

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 21
Type of magnitude ML
Reference to an origin 85793281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-28 13:19:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.FOSV.EHZ. 2020-12-28T13:07:08.12 0.6 undecidable manual S 325 0.5486 50 0.36 43
IV.MOMA.HNZ. 2020-12-28T13:07:06.50 0.6 undecidable manual S 265 0.4605 50 1.34 29
IV.ASSB.HHZ. 2020-12-28T13:07:04.57 0.6 undecidable manual S 297 0.4389 50 0.06 47
IV.ARRO.EHZ. 2020-12-28T13:07:03.88 0.3 undecidable manual S 230 0.4137 50 0.09 71
IV.TERO.HHZ. 2020-12-28T13:07:02.31 0.6 undecidable manual S 127 0.3741 50 -0.3 46
IV.CAMP.HHE. 2020-12-28T13:07:01.48 0.3 undecidable manual S 153 0.3489 50 -0.37 68
IV.SAP2.EHZ. 2020-12-28T13:07:00.48 0.6 undecidable manual S 31 0.2905 50 0.36 46
IV.CESI.HHZ. 2020-12-28T13:06:59.10 0.3 undecidable manual S 307 0.2644 107 -0.19 72
IV.FOSV.EHZ. 2020-12-28T13:06:59.40 0.3 undecidable manual P 325 0.5486 50 -0.27 66
IV.LNSS.HHZ. 2020-12-28T13:06:59.47 0.6 undecidable manual S 205 0.2698 107 0 50
IV.T1299.HNN. 2020-12-28T13:06:58.05 0.6 undecidable manual S 163 0.2221 110 0.31 47
IV.SMA1.EHZ. 2020-12-28T13:06:58.28 0.3 undecidable manual S 155 0.2401 109 -0.09 73
IV.GUMA.HHZ. 2020-12-28T13:06:58.49 0.6 undecidable manual S 25 0.2383 109 0.17 48
IV.CSP1.EHZ. 2020-12-28T13:06:58.10 0.6 undecidable manual S 2 0.2446 108 -0.44 45
IV.MF5.EHN. 2020-12-28T13:06:58.72 0.3 undecidable manual S 54 0.2392 109 0.37 69
IV.MOMA.HNZ. 2020-12-28T13:06:58.35 0.3 undecidable manual P 265 0.4605 50 0.18 69
IV.ASSB.HHZ. 2020-12-28T13:06:57.50 0.3 undecidable manual P 297 0.4389 50 -0.29 68
IV.ARRO.EHZ. 2020-12-28T13:06:56.89 1.0 undecidable manual P 230 0.4137 50 -0.48 22
IV.TERO.HHZ. 2020-12-28T13:06:56.25 0.3 undecidable manual P 127 0.3741 50 -0.45 66
IV.OFFI.HHE. 2020-12-28T13:06:56.89 0.1 undecidable manual P 76 0.3696 50 0.28 92
IV.FDMO.HHZ. 2020-12-28T13:06:56.82 0.6 undecidable manual S 337 0.205 112 -0.3 47
IV.CAMP.HHE. 2020-12-28T13:06:56.48 0.6 undecidable manual P 153 0.3489 50 0.22 47
IT.MTCL.HGZ. 2020-12-28T13:06:56.70 0.3 undecidable manual S 316 0.205 112 -0.42 69
IV.MTRA.EHZ. 2020-12-28T13:06:55.80 0.3 undecidable manual S 121 0.1727 115 -0.19 73
IV.SAP2.EHZ. 2020-12-28T13:06:55.32 0.3 undecidable manual P 31 0.2905 50 0.06 73
IV.FEMA.HNZ. 2020-12-28T13:06:55.48 0.3 undecidable manual S 317 0.1565 118 0.05 75
IV.SMA1.EHZ. 2020-12-28T13:06:54.15 0.3 undecidable manual P 155 0.2401 109 -0.1 73
IV.GUMA.HHZ. 2020-12-28T13:06:54.25 0.3 undecidable manual P 25 0.2383 109 0.03 74
IV.T1299.HNN. 2020-12-28T13:06:54.22 0.6 undecidable manual P 163 0.2221 110 0.34 47
IV.CESI.HHZ. 2020-12-28T13:06:54.56 0.1 undecidable manual P 307 0.2644 107 -0.22 95
IV.CSP1.EHZ. 2020-12-28T13:06:54.03 0.6 undecidable manual P 2 0.2446 108 -0.32 47
IV.LNSS.HHZ. 2020-12-28T13:06:54.80 0.1 undecidable manual P 205 0.2698 107 -0.08 97
IV.MF5.EHN. 2020-12-28T13:06:54.33 0.3 undecidable manual P 54 0.2392 109 0.09 73
IV.FDMO.HHZ. 2020-12-28T13:06:53.44 0.6 undecidable manual P 337 0.205 112 -0.08 49
IT.MTCL.HGZ. 2020-12-28T13:06:53.38 0.3 undecidable manual P 316 0.205 112 -0.15 73
IV.NRCA.HNZ. 2020-12-28T13:06:52.70 0.1 undecidable manual S 257 0.0612 143 0.15 100
IV.FEMA.HNZ. 2020-12-28T13:06:52.64 0.3 undecidable manual P 317 0.1565 118 0.09 75
IV.MTRA.EHZ. 2020-12-28T13:06:52.77 0.1 undecidable manual P 121 0.1727 115 -0.1 99
IV.MC2.EHZ. 2020-12-28T13:06:52.80 0.3 undecidable manual S 356 0.0639 142 0.18 75
IV.MC2.EHZ. 2020-12-28T13:06:51.13 0.3 undecidable manual P 356 0.0639 142 0.2 74
IV.NRCA.HNZ. 2020-12-28T13:06:51.17 0.1 undecidable manual P 257 0.0612 143 0.28 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0 0.0111391315 0.16 AML other m 2020-12-28T13:06:52.84
IV.NRCA.HNE. ML:2.8 0.0104173455 0.1536 AML other m 2020-12-28T13:06:52.84
IV.NRCA.HNN. ML:0 0.005845 0.1 AML other m 2020-12-28T13:06:53.08
IV.NRCA.HHN. ML:0 0.006235 0.08 AML other m 2020-12-28T13:06:53.07
IV.FEMA.HNE. ML:0 0.00258 0.2 AML other m 2020-12-28T13:06:55.75
IV.FEMA.HNN. ML:0 0.0011300111 0.1088 AML other m 2020-12-28T13:06:55.73
IV.MTRA.HNE. ML:0 0.001295 0.22 AML other m 2020-12-28T13:06:58.40
IV.MTRA.EHE. ML:0 0.00089031575 1.7184 AML other m 2020-12-28T13:06:56.04
IV.MTRA.HNN. ML:0 0.00133 0.22 AML other m 2020-12-28T13:06:56.89
IV.MTRA.EHN. ML:0 0.00137 0.2 AML other m 2020-12-28T13:06:56.79
IV.FDMO.HHN. ML:2.2 0.00099999735 0.1856 AML other m 2020-12-28T13:06:57.04
IV.FDMO.HHE. ML:2 0.00068233885 0.1792 AML other m 2020-12-28T13:06:57.07
IV.SMA1.EHN. ML:0 0.000336 1.22 AML other m 2020-12-28T13:06:58.96
IV.SMA1.EHE. ML:0 0.0004865 0.38 AML other m 2020-12-28T13:06:59.20
IV.CSP1.EHE. ML:2.1 0.0007261092 0.2816 AML other m 2020-12-28T13:06:58.82
IV.CESI.HNE. ML:0 0.0006995 0.4 AML other m 2020-12-28T13:06:59.43
IV.MF5.EHE. ML:2.4 0.001432055 0.16 AML other m 2020-12-28T13:06:59.24
IV.MF5.EHN. ML:2.3 0.001163719 0.1984 AML other m 2020-12-28T13:06:59.15
IV.CESI.HHN. ML:0 0.001255 0.12 AML other m 2020-12-28T13:06:59.30
IV.CESI.HNN. ML:0 0.00119 0.12 AML other m 2020-12-28T13:06:59.30
IV.CESI.HHE. ML:0 0.000707 0.34 AML other m 2020-12-28T13:06:59.43
IV.LNSS.HHN. ML:0 0.0011935 0.64 AML other m 2020-12-28T13:06:59.66
IV.LNSS.HNN. ML:0 0.001146 0.66 AML other m 2020-12-28T13:06:59.67
IV.LNSS.HHE. ML:0 0.000953 0.92 AML other m 2020-12-28T13:07:00.00
IV.LNSS.HNE. ML:0 0.0008855 0.92 AML other m 2020-12-28T13:07:00.01
IV.TERO.HNE. ML:0 0.0003545 0.26 AML other m 2020-12-28T13:07:02.35
IV.TERO.HNN. ML:0 0.0004605 1.14 AML other m 2020-12-28T13:07:02.37
IV.CSP1.EHN. ML:2.1 0.0006784813 0.3648 AML other m 2020-12-28T13:07:02.29
IV.TERO.HHN. ML:0 0.0004125 0.22 AML other m 2020-12-28T13:07:02.83
IV.TERO.HHE. ML:0 0.000296 0.12 AML other m 2020-12-28T13:07:02.89
IV.ASSB.HHN. ML:0 0.0002705 0.3 AML other m 2020-12-28T13:07:04.68
IV.ASSB.HHE. ML:0 0.0002525 0.22 AML other m 2020-12-28T13:07:05.37
IV.FOSV.EHN. ML:2.2 0.00031135695 0.2944 AML other m 2020-12-28T13:07:08.53
IV.FOSV.EHE. ML:1.8 0.0001194326 0.16 AML other m 2020-12-28T13:07:08.53
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions *

This map reports the focal mechanisms since 1977 in the region. The white and red beach ball symbols are mechanisms determined using the Regional Centroid Moment Tensor (RCMT, http://www.bo.ingv.it/RCMT) and are determined for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when there is a good source-receiver geometry of the target earthquake, the RCMT can be obtained also for earthquakes with magnitude larger than 4.0. The blue and white beach ball symbols indicate the mechanisms obtained from application of the Time Domain Moment Tensor (TDMT, http://terremoti.ingv.it/tdmt.html). This technique is used for M ≥ 3.5. The size of the beach ball sysmbol scales with the calculated moment magnitude, Mw.
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download