Earthquake with magnitude of ML 2.0 on date 04-03-2020 and time 08:23:11 (Italy) in region 2 km S San Lorenzo (RC)

A magnitude ML 2.0 earthquake occured in region: 2 km S San Lorenzo (RC), on

  • 04-03-2020 07:23:11 (UTC)
  • 04-03-2020 08:23:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.99, 15.83 at 13 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
San Lorenzo RC 2 2640 2640
Condofuri RC 3 5113 7753
Bagaladi RC 4 1039 8792
Montebello Ionico RC 7 6214 15006
Roccaforte del Greco RC 8 476 15482
Bova RC 9 448 15930
Melito di Porto Salvo RC 9 11355 27285
Roghudi RC 10 1104 28389
Bova Marina RC 10 4235 32624
Cardeto RC 12 1641 34265
Motta San Giovanni RC 12 6208 40473
Palizzi RC 15 2480 42953
Staiti RC 18 248 43201
Santo Stefano in Aspromonte RC 20 1263 44464

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km SE of Reggio di Calabria (183035 inhabitants)
33 Km SE of Messina (238439 inhabitants)
72 Km NE of Acireale (52622 inhabitants)
85 Km NE of Catania (314555 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 2.0 2020-03-04
07:23:11
37.99 15.83 13 2020-07-18
21:08:25
Bollettino Sismico Italiano INGV 77173761
Reviewed
Rev100
ML 2.0 2020-03-04
07:23:11
37.98 15.84 13 2020-03-04
07:32:28
Sala Sismica INGV-Roma 77019131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-04 07:23:11 ± 0.09
Latitude 37.99 ± 0.00
Longitude 15.83 ± 0.00
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77173761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 457
Semi-minor axis of confidence ellipse (meter) 277
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 350
Circular confidence region, given by single value of horizontal uncertainty (meter) 460
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.10612
Epicentral distance of station farthest from the epicenter (degree) 1.188
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2

Field Value
Value 2
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 77019131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-04 07:32:28

ML:2

Field Value
Value 2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 77173761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-10 14:48:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MEU.EHZ. 2020-03-04T07:23:49.04 0.3 undecidable manual S 222 1.188 91 -0.12 58
IV.MEU.EHZ. 2020-03-04T07:23:33.76 0.6 undecidable manual P 222 1.188 91 0.52 36
IV.AIO.HHZ. 2020-03-04T07:23:28.64 0.3 undecidable manual S 268 0.4739 92 0.62 62
IV.MPNC.HHZ. 2020-03-04T07:23:25.88 0.3 undecidable manual S 292 0.4083 93 -0.2 67
IV.MSRU.HHZ. 2020-03-04T07:23:24.89 0.6 undecidable manual S 317 0.3723 93 -0.13 46
IV.PLAC.HHZ. 2020-03-04T07:23:24.45 0.6 undecidable manual P 46 0.6574 92 0.27 43
IV.JOPP.HHZ. 2020-03-04T07:23:23.07 0.1 positive manual P 4 0.6142 92 -0.37 84
MN.CEL.HHZ. 2020-03-04T07:23:22.00 0.3 undecidable manual S 10 0.2707 95 -0.01 73
IV.SICLA.EHZ. 2020-03-04T07:23:22.53 0.3 undecidable manual S 340 0.2797 95 0.27 70
IV.AIO.HHZ. 2020-03-04T07:23:20.92 0.3 undecidable manual P 268 0.4739 92 -0.12 68
IV.GMB.BHZ. 2020-03-04T07:23:19.36 0.3 undecidable manual S 359 0.1745 103 0.16 72
IV.SOI.EHZ. 2020-03-04T07:23:19.52 0.3 undecidable manual S 65 0.1907 101 -0.13 73
IV.MSRU.HHZ. 2020-03-04T07:23:19.11 0.3 undecidable manual P 317 0.3723 93 -0.2 68
IV.MPNC.HHZ. 2020-03-04T07:23:19.61 0.1 positive manual P 292 0.4083 93 -0.31 88
IT.RCU.HGE. 2020-03-04T07:23:19.19 0.6 undecidable manual S 314 0.1844 102 -0.28 46
MN.CEL.HHZ. 2020-03-04T07:23:17.71 0.1 positive manual P 10 0.2707 95 0.14 95
IV.SICLA.EHZ. 2020-03-04T07:23:17.72 0.1 positive manual P 340 0.2797 95 0 97
IV.MTTG.HHZ. 2020-03-04T07:23:17.25 0.3 undecidable manual S 275 0.1061 123 -0.07 74
IT.RCU.HGE. 2020-03-04T07:23:16.04 0.3 undecidable manual P 314 0.1844 102 -0.06 73
IV.GMB.BHZ. 2020-03-04T07:23:16.15 0.1 negative manual P 359 0.1745 103 0.2 96
IV.SOI.EHZ. 2020-03-04T07:23:16.22 0.1 positive manual P 65 0.1907 101 0.01 99
IV.MTTG.HHZ. 2020-03-04T07:23:14.93 0.1 negative manual P 275 0.1061 123 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTTG.HHE. ML:2.4 0.002311587 0.2816 AML other m 2020-03-04T07:23:17.45
IV.MTTG.HHN. ML:2.4 0.002601705 0.1408 AML other m 2020-03-04T07:23:17.48
IV.GMB.BHE. ML:3.2 0.010589823 0.1984 AML other m 2020-03-04T07:23:19.54
IV.GMB.BHN. ML:3 0.00772243 0.16 AML other m 2020-03-04T07:23:19.64
IV.SOI.EHE. ML:1.7 0.00030614615 0.4 AML other m 2020-03-04T07:23:20.29
IV.SOI.EHN. ML:1.8 0.00036319975 0.2176 AML other m 2020-03-04T07:23:20.09
MN.CEL.HHN. ML:2 0.0005445871 0.2592 AML other m 2020-03-04T07:23:22.31
MN.CEL.HNN. ML:2.1 0.00057569465 0.24 AML other m 2020-03-04T07:23:22.32
MN.CEL.HHE. ML:2.2 0.0007457587 0.32 AML other m 2020-03-04T07:23:22.32
MN.CEL.HNE. ML:2.2 0.0007270312 0.2176 AML other m 2020-03-04T07:23:22.25
IV.SICLA.EHE. ML:2 0.0004905175 0.3584 AML other m 2020-03-04T07:23:25.65
IV.SICLA.EHN. ML:2.2 0.0008326694 0.4 AML other m 2020-03-04T07:23:22.82
IV.MPNC.HHN. ML:2.5 0.00103601655 0.24 AML other m 2020-03-04T07:23:26.93
IV.MPNC.HHE. ML:2.4 0.0006550442 0.2976 AML other m 2020-03-04T07:23:27.11
IV.JOPP.HHN. ML:1.8 0.00010915421 0.1408 AML other m 2020-03-04T07:23:34.26
IV.JOPP.HHE. ML:1.7 9.4549445E-5 0.16 AML other m 2020-03-04T07:23:33.05
IV.PLAC.HHN. ML:1.8 9.7192665E-5 0.48 AML other m 2020-03-04T07:23:39.04
IV.PLAC.HNE. ML:1.8 9.3124325E-5 0.48 AML other m 2020-03-04T07:23:39.05
IV.PLAC.HHE. ML:1.8 0.000100970585 0.6784 AML other m 2020-03-04T07:23:36.04
IV.PLAC.HNN. ML:1.8 0.00010718249 0.6784 AML other m 2020-03-04T07:23:36.38
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