Overall Green Earthquake alert in Nicaragua from 22 Sep 2021 09:57 UTC to 09:57

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

M 6.5 in Nicaragua from 22 Sep 2021 09:57 UTC to 09:57

Hazard models

EQ parameters

Shakemap

Tsunami

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude:	6.5M
Depth:	54 Km
Lat/Lon:	12.14 , -87.68
Event Date:	22 Sep 2021 09:57 UTC 22 Sep 2021 03:57 Local
Exposed Population:	520 thousand in 100km
Source:	GEOFON gfz2021spcn
Inserted at:	22 Sep 2021 10:05 UTC
INFORM Coping capacity of the alert score	5.3 (Nicaragua)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		Tsunami		GDACS score
GEOFON	0		0		0
gfz2021spcn	Scaled population (vector)	4.84	Max wave alert	0m
	C1 earthquake	1	Max wave realtime	0m
	C2 earthquake	0
	Country Vulnerability	-1
	INFORM_normalised	1.02

Maximum expected impact using different data sources.

Episode Timeline

ID	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1397989	0	22 Sep 2021 09:57	6.5M, 54km	N/A	520 thousand (in 100km)	0m (at 00:00)	00:08	GEOFON
1397990	0.2	22 Sep 2021 09:57	6.7M, 10km	N/A	260 thousand (in 100km)	0.2m (at 00:59)	00:09	PTWC
1397991	0.2	22 Sep 2021 09:57	6.7M, 10km	N/A	270 thousand (in 100km)	0.2m (at 00:59)	00:12	NTWC
1397992	0	22 Sep 2021 09:57	6.5M, 30.74km	4.5	N/A (in MMI>=VII)	0m (at 00:00)	00:20	NEIC

The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.

The episode that has the last updated information.

* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened in Nicaragua , Department of Chinandega (population 364,428) . The nearest places are Aposentillo, Linda Vista, and Fátima.

Radius	Population
100 km	520000 people
75 km	41000 people
50 km	no people
20 km	no people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Chinandega	Nicaragua	360000 people
Leon	Nicaragua	380000 people
Choluteca	Honduras	360000 people
Managua	Nicaragua	1.1 million people
La Union	El Salvador	370000 people
San Miguel	El Salvador	510000 people
Usulutan	El Salvador	460000 people
Valle	Honduras	140000 people
Carazo	Nicaragua	170000 people
Esteli	Nicaragua	190000 people
Masaya	Nicaragua	250000 people
Madriz	Nicaragua	98000 people
Morazan	El Salvador	250000 people
Matagalpa	Nicaragua	350000 people
El Paraiso	Honduras	280000 people
Francisco Morazan	Honduras	1000000 people
San Vicente	El Salvador	230000 people
La Paz	El Salvador	310000 people
Granada	Nicaragua	180000 people
Rivas	Nicaragua	170000 people
Nueva Segovia	Nicaragua	130000 people
La Paz	Honduras	130000 people
Jinotega	Nicaragua	190000 people
Boaco	Nicaragua	130000 people
Cabanas	El Salvador	210000 people
Intibuca	Honduras	150000 people
Chontales	Nicaragua	140000 people
La Libertad	El Salvador	490000 people
Cuscatlan	El Salvador	230000 people
Comayagua	Honduras	270000 people
San Salvador	El Salvador	1.2 million people
Lempira	Honduras	210000 people
Chalatenango	El Salvador	270000 people
Guanacaste	Costa Rica	230000 people
Sonsonate	El Salvador	400000 people
Santa Ana	El Salvador	520000 people
Ocotepeque	Honduras	89000 people
Zelaya	Nicaragua	330000 people
Olancho	Honduras	340000 people
Santa Barbara	Honduras	310000 people
Alajuela	Costa Rica	580000 people
Rio San Juan	Nicaragua	57000 people
Copan	Honduras	260000 people
Ahuachapan	El Salvador	300000 people
Yoro	Honduras	400000 people
Cortes	Honduras	800000 people
Jutiapa	Guatemala	430000 people
Chiquimula	Guatemala	290000 people
Santa Rosa	Guatemala	330000 people
Jalapa	Guatemala	230000 people
Zacapa	Guatemala	200000 people
Puntarenas	Costa Rica	380000 people
Izabal	Guatemala	330000 people
Atlantida	Honduras	410000 people
Escuintla	Guatemala	570000 people
El Progreso	Guatemala	140000 people
Guatemala	Guatemala	2.2 million people
Colon	Honduras	150000 people
Alta Verapaz	Guatemala	510000 people
Gracias a Dios	Honduras	42000 people
Sacatepequez	Guatemala	210000 people
Heredia	Costa Rica	300000 people
Baja Verapaz	Guatemala	200000 people
San Jose	Costa Rica	1.2 million people
Chimaltenango	Guatemala	390000 people
Toledo	Belize	17000 people
Quiche	Guatemala	560000 people
Suchitepequez	Guatemala	410000 people
Peten	Guatemala	230000 people
Limon	Costa Rica	260000 people
Solola	Guatemala	260000 people
Cartago	Costa Rica	350000 people
Islas de la Bahia	Honduras	27000 people
Retalhuleu	Guatemala	260000 people
Totonicapan	Guatemala	350000 people
Stann Creek	Belize	21000 people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Aposentillo	Chinandega	Nicaragua	Village	-	65 km
Linda Vista	León	Nicaragua	Village	-	65 km
Fátima	Chinandega	Nicaragua	Village	-	67 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name	IATA Code	Elevation (m)	Usage	Runway type	IFR	Runway Length (ft)	Distance
Fanor Urroz		100				0	90 km

Ports

Name	LOCODE	Country	Distance
Corinto	NICIO	Nicaragua	66 km
Puerto Sandino	NIPSN	Nicaragua	100 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.

Disclaimer
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
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